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1OSG News
2========
3
4= !OpenSceneGraph 2.8.1 release - bug fix release =
5
6PERTHSHIRE, Scotland - 12th April 2009 - !OpenSceneGraph Professional Services announces the release of !OpenSceneGraph 2.8.1, the industry's leading open-source scene graph technology, designed to accelerate application development and improve 3D graphics performance. !OpenSceneGraph 2.8 written entirely in Standard C++ and built upon OpenGL, offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets - a real-time visualization tool which eclipses commercial scene graph toolkits in functionality, stability and performance. !OpenSceneGraph 2.8 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and FreeBSD operating systems.
7
8=== Open-source development delivers industry-leading features and performance ===
9The !OpenSceneGraph 2.8.1 release is the culmination of 10 years of work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real-world applications, and actively participating in its development, testing and refinement. The end result is a high-quality library with a feature set relevant to application developers' needs.
10
11=== Updates between 2.8.1 and 2.8.0 releases include: ===
12
13  * Build fixes under FreeBSD and IBM AIX
14  * Crash fixes in osg::State and osg::Geometry
15  * Bug fixes to :
16    * draw instanced support
17    * Optimizer - MergeGeometryVisitor, RemoveLoadedProxyNodesVisitor and SpatializeGroupsVistor
18    * hdr image loader
19    * handling of opacity maps in 3ds loader
20    * dxf loader
21    * frame buffer object
22    * cursor/event handling in windows
23    * windows threading
24    * memory leak in Collada loader
25    * fixes to display lists/vbo creation that prevent crash under ATI drivers
26    * osgconv --formats under OSX
27
28=== Updates between 2.8 and 2.6 include: ===
29
30  * New osgVolume library for volume rendering, with support for:
31    * High quality GPU based Ray tracing
32    * Transfer functions
33    * Per pixel lighting
34    * Iso surface rendering
35    * Maximum Intensity Projection rendering
36    * Non-power-of-two 3D textures, and 3D texture compression
37    * DICOM loading for reading dicom medical data
38  * New osgAnimation library for character and scene animation.
39  * New plugin for reading Biovision hierarchical files (.BVH) to generate character motion animations.
40  * New osgShadow support for Light Space Perspective Shadow Maps (LispSM).
41  * Three new scene graph widgets for placing traditional 2D capability into fully interactive 3D scenes:
42    * PDF widget (based on libPoppler)
43    * VNC client widget (based on libVNCServer)
44    * Internet browser client widget (based on Gecko/UBrowser)
45  * New plugins for loading Half-Life 2 maps and models.
46  * New plugin for loading EXR, high dynamic range imagery
47  * Improvements to !DatabasePager, tailored for low latency paging.
48  * Improved runtime stats collection and on screen reporting.
49  * Performance improvements through optimization of matrix operations.
50  * Support for the OpenGL "draw instanced" extension.
51  * Support for zlib compressed native .ive and .gz files
52  * Improvements to COLLADA support.
53  * Build reporting using CDash
54  * New packaging support using CPack
55  * A wide range of build and bug fixes
56
57=== Downloads and Licensing ===
58!OpenSceneGraph is open-source, so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [http://www.openscenegraph.org/projects/osg/wiki/Downloads Downloads] section of the openscenegraph.org website.
59
60!OpenSceneGraph is released under the [http://www.openscenegraph.org/projects/osg/wiki/Legal OpenSceneGraph Public License], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open-source applications.  Furthermore, it allows both static and dynamic linking of the !OpenSceneGraph libraries without restricting the licensing of the user's software.
61
62=== !OpenSceneGraph Books now available ===
63
64The !OpenSceneGraph Quick Start Guide is now available in Chinese as well as English, and alongside the Reference Manual, books can be found at [http://www.osgbooks.com OsgBooks].
65
66=== Professional support and services ===
67!OpenSceneGraph project is backed up with professional services by [http://www.openscenegraph.com OpenSceneGraph Professional Services], based in Scotland, and [http://www.skew-matrix.com Skew-Matrix] and [http://www.blue-newt.com Blue-Newt Software] both based in the USA, and a range of [wiki:Community/Contractors Contractors] from around the world.  Services available include:
68
69 * Confidential Professional Support
70 * Bespoke development
71 * Consultancy
72 * Training   
73
74=== Community support and contributions ===
75The diverse and growing community of over 2000 developers is centred around the public osg-users mailing list, where members discuss how best to use !OpenSceneGraph, provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
76
77The !OpenSceneGraph project owes a great deal to the community for its development and support, in particular we wish to thank the [http://www.openscenegraph.org/projects/osg/wiki/Support/Contributors/TwoPointEight 365 individuals] from around the world that have directly contributed to the development and refinement of the !OpenSceneGraph code base.
78
79----
80
81About !OpenSceneGraph: [[BR]]
82The !OpenSceneGraph Project was founded in September 1999 by Don Burns and Robert Osfield.
83Further information, screenshots, downloads, documentation, and support links can be found on the !OpenSceneGraph project website http://www.openscenegraph.org.
84
85About !OpenSceneGraph Professional Services:[[BR]]
86!OpenSceneGraph Professional Services, founded by project lead Robert Osfield in April 2001, is based in Callander, Perhshire, Scotland, and provides professional services on top of !OpenSceneGraph. Further information about the services it provides can be found at http://www.openscenegraph.com.
87
88----------------------------------------------------------------------------------------
89
90
91
92= !OpenSceneGraph 2.6 release adds osgWidget library, KdTree intersections, Anti-aliased FBOsand much more. =
93
94PERTHSHIRE, Scotland - 5th August 2008 - !OpenSceneGraph Professional Services announces the release of !OpenSceneGraph 2.6, the industry's leading open-source scene graph technology, designed to accelerate application development and improve 3D graphics performance. !OpenSceneGraph 2.6 written entirely in Standard C++ and built upon OpenGL, offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets - a real-time visualization tool which eclipses commercial scene graph toolkits in functionality, stability and performance. !OpenSceneGraph 2.6 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and FreeBSD operating systems.
95
96=== Open-source development delivers industry-leading features and performance ===
97The !OpenSceneGraph 2.6 release is the culmination of 9 years of work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real-world applications, and actively participating in its development, testing and refinement. The end result is a high-quality library with a feature set relevant to application developers' needs.
98
99=== Updates include: ===
100
101    * New osgWidget library for scene graph based graphics user interface elements (beta release).
102    * KdTree support, with automatic KdTree generation on load and use of KdTree during line intersections which massively improves intersection speeds.
103    * Precision improvements to line intersections, provide accurate whole earth intersection.
104    * OpenGL Multi-sample FrameBufferObject support.
105    * New osg::ImageSequence class for doing texture animation of a series of image files.
106    * New database optimizer that is able to remove static transforms by duplicating shared geometries.
107    * Use glGenerateMipmap to speed up mipmap generation in non power-of-two textures.
108    * New osgViewer::ScreenCaptureHandler for adding screen shot support to osgViewer applications.
109    * New osgscreencapture example that demonstrates use of double buffer PixelBufferObject's for streaming of imagery from the screen.
110    * New utility application osgfilecache which can be used to populate the local cache for given lat/lon ranges and levels.
111    * Rewritten DatabasePager that now supports multiple database reading threads. This includes handling of HTTP requests via a separate reading thread, vastly improving the speed of updates when handling HTTP hosted databases that have already partially been downloaded to local file cache.
112    * Support for a file cache for locally caching paged databases hosted over HTTP.
113    * Support for http authentication in osgDB and the libcurl plugin
114    * New osgconv --format <fmt>, --formats and --plugins command line options for listing available plugins and the file formats/options they support.
115    * Performance improvements in handling TerraPage.
116    * Animated GIF support.
117    * New SVG image loader.
118    * Improvements to the .obj loader to support a wider range of .obj files and material properties.
119    * Support for thread safe Atomic reference counting.
120    * Support for COLLADA DOM 2.x
121    * Support for Philips WOWvx 3D auto-stereoscopic displays
122    * New include/osg/Config and include/OpenThreads/Config configuration files, that are automatically generated by CMake, which make more straight forward to build end users applications against OpenSceneGraph versions built with non default build options.
123    * Support for CMake 2.6
124    * A wide range of build and bug fixes
125
126 
127=== Downloads and Licensing ===
128!OpenSceneGraph is open-source so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [http://www.openscenegraph.org/projects/osg/wiki/Downloads Downloads] section of the openscenegraph.org website.
129
130!OpenSceneGraph is released under the [http://www.openscenegraph.org/projects/osg/wiki/Legal OpenSceneGraph Public License], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open-source applications.  Furthermore, it allows both static and dynamic linking of the !OpenSceneGraph libraries without restricting the licensing of the user's software.
131
132=== !OpenSceneGraph Books now available ===
133
134The !OpenSceneGraph Quick Start Guide is now available in Chinese as well as English, and alongside the Reference Manual books can be found at [http://www.osgbooks.com OsgBooks].
135
136=== Professional support and services ===
137!OpenSceneGraph project is backed up with professional services by [http://openscenegraph.com OpenSceneGraph Professional Services], based in Scotland, and [http://www.skew-matrix.com Skew-Matrix] and [http://www.blue-newt.com Blue-Newt Software] both based in the USA, and a range of [wiki:Community/Contractors Contractors] from around the world.  Services available include:
138
139 * Confidential Professional Support
140 * Bespoke development
141 * Consultancy
142 * Training   
143
144=== Community support and contributions ===
145The diverse and growing community of over 1900 developers is centred around the public osg-users mailing list, where members discuss how best to use !OpenSceneGraph, provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
146
147The !OpenSceneGraph project owes a great deal to the community for its development and support, in particular we wish to thank the [http://www.openscenegraph.org/projects/osg/wiki/Support/Contributors/TwoPointSix 324 individuals] from around the world that have directly contributed to the development and refinement of the !OpenSceneGraph code base.
148
149----
150
151About !OpenSceneGraph:[[BR]]
152!OpenSceneGraph Project was founded in September 1999 by Don Burns and Robert Osfield.
153Further information, screenshots, downloads, documentation, and support links can be found on the !OpenSceneGraph project website http://www.openscenegraph.org.
154
155About !OpenSceneGraph Professional Services:[[BR]]
156!OpenSceneGraph Professional Services, founded by project lead Robert Osfield in April 2001, is based in Callander, Perhshire, Scotland, and provides professional services on top of !OpenSceneGraph. Further information about the services it provides can be found at http://www.openscenegraph.com.
157
158----------------------------------------------------------------------------------------
159
160
161= !OpenSceneGraph 2.4 release adds geometry shaders, multiple render targets, support for terrabyte scale terrain databases, writing to !OpenFlight and much more. =
162
163PERTHSHIRE, Scotland - 25th April 2008 - !OpenSceneGraph Professional Services announces the release of !OpenSceneGraph 2.4, the industry's leading open-source scene graph technology, designed to accelerate application development and improve 3D graphics performance. !OpenSceneGraph 2.4 written entirely in Standard C++ and built upon OpenGL, offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets - a real-time visualization tool which eclipses commercial scene graph toolkits in functionality, stability and performance. !OpenSceneGraph 2.4 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and FreeBSD operating systems.
164
165=== Open-source development delivers industry-leading features and performance ===
166The !OpenSceneGraph 2.4 release is the culmination of 9 years of work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real-world applications, and actively participating in its development, testing and refinement. The end result is a high-quality library with a feature set relevant to application developers' needs.
167
168=== Updates include: ===
169
170 * Support for OpenGL Geometry shaders
171 * Support for OpenGL Multiple Render Targets extension to Frame Buffer Objects
172 * Support for OpenGL Occlussion Query extension
173 * New !OpenFlight writer
174 * New libcurl based plugin for reading http hosted databases
175 * Quicktime based reading of live video streams under Windows and OSX
176 * Better load balancing in database pager
177 * Improvements to osgTerrain for support of terrabyte scale whole earth terrain databases
178 * Additions to the Shapefile loader with .dbf attribute file, .proj projection file support and loading data as doubles
179 * Enhanced intersection functionality including double support for line intersections
180 * Parallel build support under Visual Studio
181 * Support for reading Producer .cfg viewer configuration files
182 * A wide range of build and bug fixes
183 
184=== Downloads and Licensing ===
185!OpenSceneGraph is open-source so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [http://www.openscenegraph.org/projects/osg/wiki/Downloads Downloads] section of the openscenegraph.org website.
186
187!OpenSceneGraph is released under the [http://www.openscenegraph.org/projects/osg/wiki/Legal OpenSceneGraph Public License], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open-source applications.  Furthermore, it allows both static and dynamic linking of the !OpenSceneGraph libraries without restricting the licensing of the user's software.
188
189=== !OpenSceneGraph Books now available ===
190
191The !OpenSceneGraph Quick Start Guide is now available in Chinese as well as English, and alongside the Reference Manual books can be found at [http://www.osgbooks.com OsgBooks].
192
193=== Professional support and services ===
194!OpenSceneGraph project is backed up with professional services by [http://openscenegraph.com OpenSceneGraph Professional Services], based in Scotland, and [http://www.skew-matrix.com Skew-Matrix] and [http://www.blue-newt.com Blue-Newt Software] both based in the USA, and a range of [wiki:Community/Contractors Contractors] from around the world.  Services available include:
195
196 * Confidential Professional Support
197 * Bespoke development
198 * Consultancy
199 * Training   
200
201=== Community support and contributions ===
202The diverse and growing community of over 1800 developers is centred around the public osg-users mailing list, where members discuss how best to use !OpenSceneGraph, provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
203
204The !OpenSceneGraph project owes a great deal to the community for its development and support, in particular we wish to thank the [http://www.openscenegraph.org/projects/osg/wiki/Support/Contributors/TwoPointFour 306 individuals] from around the world that have directly contributed to the development and refinement of the !OpenSceneGraph code base.
205
206----
207
208About !OpenSceneGraph:[[BR]]
209!OpenSceneGraph Project was founded in September 1999 by Don Burns and Robert Osfield.
210Further information, screenshots, downloads, documentation, and support links can be found on the !OpenSceneGraph project website http://www.openscenegraph.org.
211
212About !OpenSceneGraph Professional Services:[[BR]]
213!OpenSceneGraph Professional Services, founded by project lead Robert Osfield in April 2001, is based in Callander, Perhshire, Scotland, and provides professional services on top of !OpenSceneGraph. Further information about the services it provides can be found at http://www.openscenegraph.com.
214
215----------------------------------------------------------------------------------------
216
217= OpenSceneGraph 2.2 release adds support for advanced displays, soft and parallel split shadow maps and easier builds =
218
219PERTHSHIRE, Scotland - 4th October 2007  - !OpenSceneGraph Professional Services announces the release of !OpenSceneGraph 2.2, the industry's leading open-source scene graph technology, designed to accelerate application development and improve 3D graphics performance. !OpenSceneGraph 2.2 written entirely in Standard C++ and built upon OpenGL, offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets - a real-time visualization tool which eclipses commercial scene graph toolkits in functionality, stability and performance. !OpenSceneGraph 2.2 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and !FreeBSD operating systems.
220
221=== Open-source development delivers industry-leading features and performance ===
222The !OpenSceneGraph 2.2 release is the culmination of 8 years of work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real-world applications, and actively participating in its development, testing and refinement. The end result is a high-quality library with a feature set relevant to application developers' needs.
223
224=== Updates include: ===
225
226 * Improved build support under Windows including versioning of dll's to avoid problems with mixing !OpenSceneGraph versions on a single system.
227 * Support for Texture2DArray and integer texture OpenGL extensions.
228 * Support for spherical displays.
229 * Support for checkerboard stereo displays.
230 * Soft Shadows and Parallel Split Shadow Maps now supported.
231 * Viewer configuration file support
232 * Writer support for Inventor, OBJ 3D formats
233 * Writer support for HDR imagery
234 * Viewer Configuration file support
235 * Unification of threading models and viewer event handlers so that all now work for both Viewer and !CompositeViewer classes.
236 * GDAL plugin for support for a wide range of geospatial imagery and digital elevation maps formats.
237 * A wide range of build and bug fixes.
238 
239=== Downloads and Licensing ===
240!OpenSceneGraph is open-source so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [http://www.openscenegraph.org/projects/osg/wiki/Downloads Downloads] section of the openscenegraph.org website. [Downloads Downloads]
241
242!OpenSceneGraph is released under the [http://www.openscenegraph.org/projects/osg/wiki/Legal OpenSceneGraph Public License], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open-source applications.  Furthermore, it allows both static and dynamic linking of the !OpenSceneGraph libraries without restricting the licensing of the user's software.
243
244=== !OpenSceneGraph Books now available ===
245
246The !OpenSceneGraph Quick Start Guide is now available in Chinese as well as English, and alongside the Reference Manual books can be found at [http://www.osgbooks.com OsgBooks].
247
248=== Professional support and services ===
249!OpenSceneGraph project is backed up with professional services by [http://openscenegraph.com OpenSceneGraph Professional Services], based in Scotland, and [http://www.skew-matrix.com Skew-Matrix] and [http://www.blue-newt.com Blue-Newt Software] both based in the USA.
250
251 * Confidential Professional Support
252 * Bespoke development
253 * Consultancy
254 * Training   
255
256=== Community support and contributions ===
257The diverse and growing community of over 1700 developers is centered around the public osg-users mailing list, where members discuss how best to use !OpenSceneGraph, provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
258
259The !OpenSceneGraph project owes a great deal to the community for its development and support, in particular we wish to thank the [http://www.openscenegraph.org/projects/osg/wiki/Support/Contributors/TwoPointTwo 282 individuals] from around the world that have directly contributed to the development and refinement of the !OpenSceneGraph code base.
260
261----
262
263About !OpenSceneGraph:[[BR]]
264!OpenSceneGraph Project was founded in September 1999 by Don Burns and Robert Osfield.
265Further information, screenshots, downloads, documentation, and support links can be found on the !OpenSceneGraph project website http://www.openscenegraph.org.
266
267About !OpenSceneGraph Professional Services:[[BR]]
268!OpenSceneGraph Professional Services, founded by project lead Robert Osfield in April 2001, is based in Callander, Perhshire, Scotland, and provides professional services on top of !OpenSceneGraph. Further information about the services it provides can be found at http://www.openscenegraph.com.
269
270
271--------------------------------------------------------------------------------
272
273
274!!![=OpenSceneGraph=] 2.0 release improves ease-of-use and scalability, introducing new osgViewer, osgShadow and osgManipulator libraries, new build system, improved multi-core, multi-GPU support.
275
276PERTHSHIRE, Scotland - 15th June 2007  - [=OpenSceneGraph=] Professional Services announces the release of [=OpenSceneGraph=] 2.0, the industry's leading open-source scene graph technology, designed to accelerate application development and improve 3D graphics performance. [=OpenSceneGraph=] 2.0, written entirely in Standard C++ and built upon [=OpenGL=], offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets a real-time visualization tool which rivals established commercial scene graph toolkits in functionality and performance. [=OpenSceneGraph=] 2.0 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and [=FreeBSD=] operating systems.
277
278!!!Open-source development delivers industry-leading features and performance
279The [=OpenSceneGraph=] 2.0 release is the culmination of 8 years of work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real-world applications, and actively participating in its development, testing and refinement. The end result is a high-quality library with a feature set relevant to application developers' needs.
280
281The theme for the 2.0 release has been making the [=OpenSceneGraph=] easier to use, yet more flexible and powerful.
282
283Features include:
284
285* New unified build system using [[http://www.cmake.org CMake]], which simplifies the build process, automatically detecting installed dependencies and providing build configuration as well as support for a wide range of development tools.
286* New libraries:
287** osgViewer - provides native windowing support and viewer functionality that scales from a single view embedded in a window to multi-thread, multi-gpu, multi-screen viewers and can handle multiple scene graphs at one time. The new viewer architecture also provides support for novel display systems that require distortion correction, such as hemispheres and full domes as well as power-walls and caves. It replaces Producer as a windowing toolkit.
288** osgManipulator - provides a set of interactive manipulators for scaling, rotating and moving objects in the scene.
289** osgShadow - provides an extensible framework for adding dynamic shadows to your scene.
290* New low-level extensible intersection framework that includes support for line, plane and polytope intersections.
291* New high-level intersection classes that support paged databases, [=LineOfSight=], [=HeightAboveTerrain=] and [=ElevationSlice=].
292* View-dependent overlay - provides ability to overlay text, country boundaries etc. directly on to terrain, even paged databases.
293* Plugins
294** Improvements to the [=OpenFlight=], COLLADA, [=AC3D=], DDS plugins and many more
295** New TXF texture font reader.
296** New [=VRML2=] reader (using the [=OpenVRML=] library).
297* Easier 3rd party windowing integration
298** With examples showing integration with GLUT, SDL, Qt, [=WxWidgets=] and MFC
299* External dependencies removed simplifying build and distribution
300** [=OpenThreads=] is moved into the core of [=OpenSceneGraph=] and is no longer an external dependency
301** Thanks to the integration of windowing support in osgViewer, [=Producer=] is no longer a dependency.
302
303 
304!!!Downloads and Licensing
305[=OpenSceneGraph=] is open-source so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [[http://www.openscenegraph.com/osgwiki/pmwiki.php/Downloads/Downloads Downloads]] section of the openscenegraph.org website.
306
307[=OpenSceneGraph=] is released under the [[http://www.openscenegraph.com/osgwiki/pmwiki.php/Legal/Legal [=OpenSceneGraph=] Public License]], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open-source applications.  Furthermore, it allows both static and dynamic linking of the [=OpenSceneGraph=] libraries without restricting the licensing of the user's software.
308
309!!![=OpenSceneGraph=] Books now available!
310
311See %newwin%[[http:://www.osgbooks.com OsgBooks]]
312
313!!!Professional support and services
314[=OpenSceneGraph=] project is backed up with professional services by %newwin%[[http://openscenegraph.com [=OpenSceneGraph=] Professional Services]], based in Scotland, and [[http://www.skew-matrix.com Skew-Matrix]] and [[http://www.blue-newt.com Blue-Newt Software]] both based in the USA.
315
316* Confidential Professional Support
317* Bespoke development
318* Consultancy
319* Training   
320
321!!!Community support and contributions
322The diverse and growing community of over 1700 developers is centered around the public osg-users mailing list, where members discuss how best to use [=OpenSceneGraph=], provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
323
324The [=OpenSceneGraph=] project owes a great deal to the community for its development and support, in particular we wish to thank the [[http://openscenegraph.com/osgwiki/pmwiki.php/Documentation/Contributors 264 individuals]] from around the world that have directly contributed to the development and refinement of the [=OpenSceneGraph=] code base.
325
326Robert Osfield\\
327Project Lead and Proprietor [=OpenSceneGraph=] Professional Services
328
329--------------------------------------------------------------------------------
330
331
332!!![=OpenSceneGraph=] 1.2 release introduces Windows 64bit and AIX support, COLLADA support, processor affinity and texture atlas builder.
333
334PERTHSHIRE, Scotland - 12th September 2006  - [=OpenSceneGraph=] Professional Services announces the release of [=OpenSceneGraph=] 1.2, the industry's leading open source scene graph technology, designed to accelerate application development and improve 3D graphics performance. [=OpenSceneGraph=] 1.2, written entirely in Standard C++ and built upon [=OpenGL=], offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets a real time visualization tool which rivals established commercial scene graph toolkits in functionality and performance. [=OpenSceneGraph=] 1.2 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris, HP-UX, AIX and [=FreeBSD=] operating systems.
335
336The [=OpenSceneGraph=]-1.2 release introduces:
337
338* Support for Windows 64 bit build, allowing Windows programmers to take advantage of greater scalability previously only available to [=OpenSceneGraph=] users under Linux, IRIX, Solaris, [=FreeBSD=] and OSX.
339* Support for IBM's AIX operating system, bringing the total number of supported operating systems to 8.
340* COLLADA plugin support for both the reading and writing of COLLADA 1.4 .dae files.  COLLADA is the new industry standard data asset exchange format that is now supported by a range of 3D modelling packages and provides a unified art path route to and from the [=OpenSceneGraph=].
341* Processor affinity support allowing application to lock cull-draw and database processes to specific processors, thereby avoiding cache coherancy problems associated with processes moving from processor to processor.
342* A Texture Atlas builder has been added to the database optimization classes, allowing either manual or automated setting up of texture atlas.  Using texture atlas can improve performance by reducing the number of state changes required to render a scene, and by allowing databases to batched in large groups of geometry, in a form that better suits modern graphics arhitectures.
343* GPU timing stats have been added to the viewer class, provided the time taken to process allow drawing operations down on the GPU for the previous frame.  Coupled with the existing timing of CPU update, cull and draw dispatch the stats reporting now provides the end user with a clearer idea of whether their application is CPU or GPU limited and server as a better guide to performance optimization work.
344* A range of bug fixes and API refinements.
345
346The [=OpenSceneGraph=]-1.2 release is the culmination of 7 years development, with contributions from 208 developers from around the world.  The user base is composed of a wide range of industry and academic users with over 1400 developers subscribed to the projects public support mailing list.
347
348For further information and to download the latest release see the project website:
349
350    http://www.openscenegraph.org
351
352Robert Osfield\\
353Project Lead and Proprietor [=OpenSceneGraph=] Professional Services
354
355
356!!!OpenSceneGraph 1.1 release introduces peformance and scalability improvements, full OpenGL Shading Language support and new OpenFlight 16.1, TerrPagea2.2 and Quake3 loaders.
357
358AYRSHIRE, Scotland - July 19th 2006  - [=OpenSceneGraph=] Professional Services announces the release of [=OpenSceneGraph=] 1.1,
359the industry's leading open-source graphics library with [=OpenGL=] 2.0 and [=OpenGL=] Shading Language support. [=OpenSceneGraph=] is designed to accelerate application development and improve 3D graphics performance. [=OpenSceneGraph=] 1.1, written entirely in Standard C++ and built upon [=OpenGL=], offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets a real time visualization tool which rivals established commercial scene graph toolkits in functionality and performance. [=OpenSceneGraph=] 1.1 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris and [=FreeBSD=] operating systems.
360
361The OpenSceneGraph-1.1 release introduces:
362
363* Improved support for multi-threaded, multi-pipe applications, including performance improvements and automated configuration of threading.
364* Support for OpenGL Shading Language uniform arrays
365* New precipitation particle effects that leverage the OpenGL Shading Language to provide high performance and high image quality rendering of rain and snow effects.
366* New OpenFlight loader with support for version 16.1, including OpenGL Shading Language support.
367* New Quake3 BSP loader
368* TerraPage loader updated to latest terrapage code base, version 2.2.
369* New outline and drop shadow support for osgText.
370* New observer_ptr<> smart pointer which holds a pointer to an object, but does does affect its reference, so doesn't take any ownership of it.  If the object goes out of scope then the observer_ptr<> is automatically set to 0.
371* New osgGA::EventQueue class for making it easier to integrate 3rd Party Windowing toolkits. The revamped osgkeyboardmouse example demonstrates how to use it.
372* A range of bug fixes.
373
374For further information and to download the latest release head to the project website:
375
376    http://www.openscenegraph.org
377
378Special thanks go to the many contributors who help make this release possible.
379
380Robert Osfield\\
381Project Lead and Proprietor [=OpenSceneGraph=] Professional Services
382
383
384!!!High performance open-source graphics toolkit [=OpenSceneGraph=] hits 1.0!
385
386AYRSHIRE, Scotland - December 9th, 2005 - [=OpenSceneGraph=] Professional Services announces the release of [=OpenSceneGraph=] 1.0, the industry's leading open-source graphics library with [=OpenGL=] 2.0 and [=OpenGL=] Shading Language support. [=OpenSceneGraph=] is designed to accelerate application development and improve 3D graphics performance. [=OpenSceneGraph=] 1.0, written entirely in Standard C++ and built upon [=OpenGL=], offers developers working in the visual simulation, game development, virtual reality, scientific visualization and modeling markets a real time visualization tool which rivals established commercial scene graph toolkits in functionality and performance. [=OpenSceneGraph=] 1.0 runs on all Microsoft Windows platforms, Apple OS/X, GNU/Linux, IRIX, Solaris and [=FreeBSD=] operating systems.
387
388->''"3Dlabs congratulates the [=OpenSceneGraph=] development community on the release of [=OpenSceneGraph=] 1.0. [=OpenSceneGraph=] is a shining example of how open-source projects can deliver commercial-quality products with outstanding performance and a ton of cutting-edge features. 3Dlabs committed engineering resources to [=OpenSceneGraph=] to help implement full support of programmable shader technology through [=OpenGL=] Shading Language. It is gratifying to see the excitement that developers have for this important cross-platform, real-time visualization library."'''\\
389Randi Rost, director of developer relations at 3Dlabs, http://developer.3Dlabs.com/
390
391!!!Open-source development delivers industry-leading features and performance
392[=OpenSceneGraph=] 1.0 release is the culmination of 6 years work by the lead developers and the open-source community that has grown up around the project. The real-time graphics industry and academia embraced it from the very beginning, deploying it in real world applications, and actively participating in its development, testing and refinement. The end result is a high quality library with a feature set relevant to application developers' needs. Features include:
393
394* A full-featured and industry-proven scene graph
395* High performance due to support for \\
396- View frustum, small feature and occlusion culling\\
397- Level of detail\\
398- State sorting and lazy state updating\\
399- [=OpenGL=] fast paths and latest extensions\\
400- Multi-threading and database optimization
401* Extensive support for [=OpenGL=], from 1.1 through 2.0 including the latest extensions
402* Tightly coupled support for [=OpenGL=] Shading Language, developed in conjunction with 3Dlabs
403* Support for a wide range of 2D image and 3D database formats, with 34 loaders available including industry standards such as [=OpenFlight=], [=TerraPage=], OBJ, 3DS,  JPEG, PNG and [=GeoTiff=]
404* Particle effects
405* High quality anti-aliased [=TrueType=](R) text support
406* Seamless support for framebuffer objects, pbuffers and frame buffer render-to-texture effects
407* Multi-threaded database paging support, which can be used in conjunction with all 3D database and image loaders, allowing terabyte database to be explored at a solid 60Hz
408* Large scale, whole earth geospatial terrain paged database generation
409* Introspection support for core libraries allowing external applications to query, get, set and operate on all classes in the scene graph, via a generic interface
410* Multi-threaded and highly configurable support for multiple CPU/multiple GPU machines
411
412->''"3D Nature uses [=OpenSceneGraph=] to build our [=NatureView=] real-time terrain visualization tool. [=OpenSceneGraph=] offered us a high-performance scene graph that had great terrain capability, advanced culling and level-of-detail features, multi-threaded paging and loading and solid, clean, accessible code. We have used and contributed to OSG for two years now, and could not have delivered the kind of high-detail interactive landscape visualization our users require without [=OpenSceneGraph=]."''\\
413Chris "Xenon" Hanson, Vice President of R&D, 3D Nature LLC, http://www.3DNature.com
414 
415!!!Downloads and Licensing
416[=OpenSceneGraph=] is open-source so full source code is provided, and can be copied, modified and used free of charge for commercial and non-commercial use. Access to the source allows end users greater flexibility in how they develop, debug and deploy their applications.  They gain productivity and freedom by being able to leverage the tool chain in accordance with their own release cycles. Downloads of binaries and source can be found in the [[http://www.openscenegraph.org/osgwiki/pmwiki.php/Downloads/Downloads Downloads]] section of the openscenegraph.org website.
417
418[=OpenSceneGraph=] is released under the [[http://www.openscenegraph.org/osgwiki/pmwiki.php/Legal/Legal [=OpenSceneGraph=] Public License]], which is based on the Lesser GNU Public License (LGPL), permitting the software to be used free of charge across the full spectrum of commercial and open source applications.  Furthermore, it allows both static and dynamic linking of the [=OpenSceneGraph=] libraries without restricting the licensing of the user's software.
419
420->''"Our real-time 3D presentation tool, [=Present3D=], builds upon [=OpenSceneGraph=]'s excellent support for stereo visualization, video, imagery, text, 3d models and database paging, making it possible for us to develop a uniquely compelling immersive presentation software. The portability and royalty-free open-source licensing has allowed us to deliver it across a far wider range of platforms and at lower cost than would have been possible with any of the competing proprietary scene graphs." ''\\
421Phil Lavery, Greythorn Associates. http://www.greythornassociates.com
422
423
424!!!Professional support and services
425[=OpenSceneGraph=] project is backed up with professional services provided by the partnership of [=OpenSceneGraph=] Professional Services, based in Ayrshire, Scotland, and Andes Engineering in California, USA.
426Services available include:
427
428* Confidential Professional Support
429* Bespoke development
430* Consultancy
431* Training 
432
433!!!Community support and contributions
434The diverse community of nearly 1200 developers is centered around the public osg-users mailing list, where members discuss how best to use [=OpenSceneGraph=], provide mutual support, and coordinate development of new features and bug fixes. Members of this community come from many different countries with backgrounds ranging from some of the world's largest aerospace companies, game companies, and visual simulation specialists to university researchers, students and hobbyists.
435
436->''"Since I joined this list 6 months ago I have rarely seen a question go unanswered!  The community averages 30 responses a day with about a fifth of them coming from the project lead himself."''\\
437Jacob Foshee, Software Engineer in the Oil and Gas industry.
438
439The [=OpenSceneGraph=] project owes a great deal to the community for its development and support, in particular we wish to thank the [[http://openscenegraph.org/osgwiki/pmwiki.php/Documentation/Contributors 171 individuals]] from around the world that have directly contributed to the development and refinement of the [=OpenSceneGraph=] code base.  A special thanks goes to Don Burns, Marco Jez and Mike Weiblen for the massive contributions that they have made in terms of coding, support and expertise over a wide range of topics through the years.
440
441Robert Osfield\\
442Project Lead and Proprietor [=OpenSceneGraph=] Professional Services
443
444----
445
446About [=OpenSceneGraph=]\\
447Further information, screenshots, downloads, documentation, and support links can be found on the [=OpenSceneGraph=] project website http://www.openscenegraph.org .
448
449About [=OpenSceneGraph=] Professional Services\\
450[=OpenSceneGraph=] Professional Services, founded by Robert Osfield in April 2001, is based in Prestwick, Scotland, and provides professional services on top of [=OpenSceneGraph=]. Further information about the services it provides can be found at http://www.openscenegraph.com .
451
452About Andes Engineering\\
453Andes Engineering, founded by Don Burns in December 2001, is based in Sunnyvale, California, and provides professional services and custom simulators on top of [=OpenSceneGraph=]. Further information about the products and services it provides can be found at http://www.andesengineering.com .
454
455-------------------------------------------------------------------------------------------------------
456
457BETA releases
458
45925th May 2005 - OpenSceneGraph-0.9.9
460
461>>> OpenGL Shading Language integrated into core, Introspection, movies, particle effects and much more... 
462
463Introduction to the OpenSceneGraph:
464
465The OpenSceneGraph is an Open Source, high performance real-time graphics toolkit, written for developers of vis-sim applications, virtual reality, scientific visualisation, education through to games.  The toolkit is based on OpenGL and Standard C++ and most portable toolkit of its kind, supporting Windows, Linux, OSX, Irix, Solaris, FreeBSD and HP-UX and Aix, including 64 bit support on Windows, Linux, OSX, Irix and Solaris.  OpenGL version from 1.1 through to 2.0 are all seemlessly supported, including many of the latest extensions.  The OpenSceneGraph is now firmly established as one of the worlds most popular scene graph technologies, and is used and developed by community of over a thousand developers.
466   
467The OpenSceneGraph 0.9.9 release:
468   
469The latest release of the OpenSceneGraph, 0.9.9, is the culmination of 7 years development and is the final milestone before reaching 1.0. All core features for 1.0 are now in place and ready for deployment.  Since the development driven is by technical convergence rather than usual marketing forces, even the beta releases of the OpenSceneGraph are already mature enough for major industry players to have adopted it for their own application development, with many companies already releasing products based on top of the OpenSceneGraph.
470   
471The 0.9.9 release includes many minor API refinements, bug fixes and optimizations, but also major new features including tight integration of OpenGL Shading Language support directly into the core osg library, new reflection/introspection support, new particle effects, movie support and DXF import.  Details follow:
472       
473OpenGL Shader Language support:
474   
475OpenGL Shading Language (GLSL) support has been moved from the osgGL2 node kit directly into the core osg library.  This move also involved refactoring the handling of state so that it now specifically supports GLSL Program, Shaders and Uniforms in a convenient and flexible way. State sorting and lazy state updating are now applied to both Program and Uniforms to maximize performance throughput.  The work was spearheaded by 3Dlabs engineer Mike Weiblen, collaborating with Robert Osfield with contributions from the community.
476       
477Introspection support:
478   
479The new osgIntrospection and associated library wrappers provides support for full API reflection/introspection.  That facilitates integration of the OpenSceneGraph with other programming languages, development of generic editors of scene graph attributes, general purpose serialization of scene graph objects such as for reading and writing to disk, or across local networks to support systems such as graphics clusters.  The osgIntrospection is designed
480to be non-intrusive, allowing 3rd Party libraries to be wrapped without these libraries needing to have explicit introspection support added into them.  The-non intrusive approach also keeps introspection support a separate module which only needs to be loaded if you require it, this leaves the core libraries light-weight and focused on the their particular tasks.  osgIntrospection is the inspired work of Marco Jez.  Thanks also go to ANU Viz Lab for graciously funding Robert Osfield's contribution to this sub-project.
481
482Better support for Apple native Windowing:
483
484Thanks to new support for AGL and CGL in OpenProducer, all OpenSceneGraph/osgProducer-based examples and application will run straight out of the box under OSX native AGL or CGL Windowing. This allows better integration of OpenSceneGraph applications with OSX, access to faster and up to date OpenGL drivers.
485   
486Support for latest OpenGL extensions:
487   
488Support for the Non power of two texture feature of OpenGL 2.0 has been added
489to all the core texture classes.  Also to facilate high resolution video streaming, OpenGL  Pixel Buffer Objects are now supported.  Support for blend equation and logic op have also been added.
490   
491Terrain generation and rendering enhancements:
492   
493The osgTerrain library, for generating whole earth, geospecific paged databases, has been enhanced with support for alpha source textures and multiple texture layers.  The new multiple texture layers support can be controlled at runtime via the new osgFX::osgFX MultiTextureControl node, which provides a convenient means for blending between the different layers at run-time.  Multiple textures layers can be very useful for mixing topographical maps with satellite/aerial photography.
494       
495Particle Effects:
496   
497To make it easier to add particle effects to your application a new osgParticle::ParticleEffects node has been written, with five concrete implementations of SmokeEffect, FireEffect, ExplosionEffect and ExplosionDebrisEffect which you can create, adjust and add to your scene graphs.
498   
499DXF and Movie plugins:
500   
501A new DXF plugin has been added for reading .dxf files.  Movie support has also been enhanced with integration of the OpenSceneGraph with Xine-lib via the xine plugin, this allows you to add movie content into your applications, including DVD's and streamed across the LAN, thanks to Xine-libs inbuilt streaming support.
502   
503Application and examples:
504   
505To facilitate faster builds and a logical division between applications that come with the OpenSceneGraph, the original example directory has now been split into two, with the new applications/ directory now comprising osgviewer, osgconv, osgarchive, osgversion and osgdem.  The Makefiles now build by default only the applications directory, thus avoiding the cost of recompiling the 74 example programs.  Examples can still be compiled by run make COMPILE_EXAMPLES=yes, or setting COMPILE_EXAMPLE=yes as an env var or in a custom dependencies file.
506   
507There are eight new examples, osgblendequation and osglogicop demonstrate the new osg::BlendEquation and osg::LogicOp state attributes,  osgGLUTkeyboardmouse and osgGLUTsimple are GLUT based examples, osgslice does some image reading of rendered slices, osgparticleeffects demonstrates the new osgParticle::ParticleEffects.
508   
509osgpbuffer also example now uses Producer's pbuffer support making it portable across platforms and much cleaner.
510   
511API refinements, bug fixes and performance improvements:
512   
513There have been many bug fixes, a number of performance improvements and API cleanups that have occured throughout the 0.9.8 - 0.9.9, too many separate items to enumerate here.  Together with the above new features they all go to making the OpenSceneGraph-0.9.9 the most robust, high performance and feature rich version so far, and sets the stage for the upcoming 1.0.
514   
515We would like to thank the following engineers for their contributions in the 0.9.8 - 0.9.9.9 time frame (in alphabetic order):
516Alberto Farre, Bob Kuehne, Brede Johansen, Carlo Camporesi, Chris Hanson, Don Burns, Donn Mielcarek,  Don Tidrow, Farshid Lashkari, Frederic Marmond, Garrett Potts, Igor Kravtchenko, James French, Jan Ciger, John Grant, Joakim Simonsson, Joran Jessurun, Jason Daly, Kevin Moiule, Leandro Motta Barros, Marco Jez, Mason Menninger, Mike Weiblen, Nathan Monteleone, Norman Vine, Olaf Flebbe, Paul Melis, Per Fahlberg, Rainer Oder, Randall Hopper, Reinhard Sainitzer, Robert Osfield, Ruben, Sebastien Grignard, Stephan Huber, Terry Welsh, Thom DeCarlo, Tony Horrobin, Tree, Tugkan Calapoglu, Vivek Rajan, Waltice and Yuzhong Shen
517
518
519Robert Osfield,
520OpenSceneGraph Project Lead,
521May 23rd 2005.
522
523--
524
525Project Links:
526
527OpenSceneGraph - http://www.openscenegraph.org
528OpenProducer - http://www.andesengineering.com/Producer/index.html
529OpenThreads - http://openthreads.sf.net
530xine-lib - http://xinehq.de/
531
532OpenSceneGraph Commericial Support, Training and Consultancy links:
533
534OpenSceneGraph Professional Services - http://www.openscenegraph.com
535Andes Engineering - http://www.andesengineering.com
536
537
538
539---------------------------------------------------------------------------------------------------------------------------
540
541
54226th November 2004 - OpenSceneGraph-0.9.8
543
544    >>> Support for database archives, improved pager, 3d compressed textures
545
546    Release 0.9.8 reflects a continuation of the prior committment to release
547    often, arriving only two short months after 0.9.7.  This contrasts sharply
548    to the long period between 0.9.6-2 and 0.9.7.  The following set of
549    improvements and features are part of the 0.9.8 release.
550
551    The osgDB Pager has been Improved to provide better multi-processor
552    stability and constant frame rate peformance.
553
554    Reference documentation has been taken out of the main distribution and
555    placed on the public website.  The documentation is also now completely
556    built with Doxygen.
557   
558    New Plugins added or modified this release:
559
560        o STL    - This plugin provides OSG with the capability to import
561                   Stereolithography files, commonly used in the CAD
562                   markets.
563   
564        o NET    - This plugin provides OSG with the ability to read data files
565                   from a web site through an http interface.
566   
567        o OSGA   - This plugin provides database archival support, including
568                   large file (greater than 2 GB) support.
569       
570        o OBJ    - The existing obj plugin has been re-written for clean up.
571   
572
573    New support for 3d texture compression using the
574    GL_NV_texture_compression_vtc extension has been added, providing an
575    improvement on the S3TC compression techniques.
576   
577    The OSG Spelling Bee is making its mark in this release, with submissions
578    by the community to correct spelling and typo errors throughout the osg,
579    osgDB and osgUtil libraries.
580   
581    osgDB::ReaderWriter and osgDB::Registry have been refactored to allow
582    multi-threading of database reading and writing.       
583   
584    The NodeTrackManipulator has been improved.   
585   
586    Several general bug fixes have been fixed.
587   
588    Producer and osgProducer now provide new Mac OSX CGL support, providing an
589    environment that is independent of X11.
590
591    A few new examples have been added as well:
592
593        o osgplanets    - A simple example that demonstrates an attempt at
594                          accurate depiction of planetary motion.
595        o osgspotlight  - An example demonstrating a spot light using
596                          a projected texture.
597        o osglauncher   - An example which reads a config file and displays other examples
598                          and shows and launches them by clicking on the icons.
599        o osgmotionblur - An example of motion blur using accumulation buffers
600
60118th August 2004 - OpenSceneGraph-0.9.7-2
602
603    Build fixes for VisualStudio6.0. 
604    Fixes for osgFX registry support.
605    Fixes to osg::Image::flipVertical() adding support for mipmaps and
606    compressed textures. 
607    DDS plugin now can vertically flip images by using "dds_flip" Options string.
608    Added support in osgTerrain for reading imagery with color tables.
609   
610
6119th August 2004 - OpenSceneGraph-0.9.7
612
613    >>> support for and generation of large scale geospatial databases,
614    >>> support for movies and examples of shadows and volume rendering.
615   
616    The 0.9.7 encompasses many improvements, bug fixes, new examples and
617    significant new functionality, the most notable of which is a new
618    osgTerrain library for generation of large scale geospatial databases.
619   
620    The new osgTerrain library and associated osgdem utility program
621    allows users to use moziacs of geospatial imagery and digital elevation
622    maps to generate a complete paged database which can be used with
623    standard OSG viewers, and users programs. By utilising GDAL to load the
624    imagery and DEM's a wide range of geospatial formats are supported.   
625     
626    The TerraPage plugin has also been rewritten ontop of the OSG's
627    osg::PagedLOD and osgDB::DatabasePager which provides support for the
628    tile fallback mechanism to ensure that no holes or cracks appear in the
629    databases being roamed, and to achieve constant frame rate via load
630    balancing mechanisms with osgDB::DatabasePager.
631   
632    The osgDB::DatabasePager has been further improved to provide more
633    configurable load balancing which allows application developers to achieve
634    constant frame rates when using paged databases.
635   
636    Double Vec & Matrix classes & CoordinateSystemNode/EllipsoidModel class
637    have been introduced to better support browsing of large scale databases,
638    and to provide a mechanism for tracking the local up orientation when
639    roaming whole earth databases.
640   
641    osgUtil has been enhanced with:
642     - an improved triangle tipper class (osgUtil::TriStipVisitor),
643     - a new simplifier (osgUtil::Simplifer) for reducing triangle density of
644       osg::Geometry leaves (utilised by osgTerrain to provide simplification
645       of terrain tiles),
646     - improved and more configurable optimizer (osgUtil::Optimizer),
647     - a new utility class for compiling and releasing OpenGL objects
648      (osgUtil::GLObjectVisitor) replaces the previous and more limited
649       DisplayListVisitor.
650   
651    All the osgGA::MatrxManipulator's (used for camera manipulator etc) have
652    been revamped with usage of doubles internally, and with tracking of the
653    current CoordinateSystem if one is active, to be better support whole
654    earth databases.  All the MatrixManipulators have been extend to allow
655    the setting of a user defined home position.  Two new manipulators have
656    been introduced osgGA::TerrainManipulator, for roaming whole earth/terrain
657    databases, and osgGA::TrackerManipulator which allows the camera to be
658    attached to a node in the scene graph.
659
660    Movie support under Linux and OSX via libMpeg3 and Quicktime respectively,
661    which extend the new osg::ImageStream base class which allows application
662    developers access to playing, pausing and rewinding movies.
663
664    The conversion utility osgconv has been extended to allow compression of
665    textures and mipmap generation during conversion when writing to the native
666    .ive binary format.  Texture compression and pre computer mipmaps enable
667    faster loading of databases and lower utilisation of memory resources.
668
669    Write support added to JPG plugin.
670   
671    Write + 3D texture support added to DDS plugin.
672   
673    Pseudo loaders .trans, .rot and .scale have been added.
674   
675    Updated LWO, AC3D, BMP, IVE and FLT loaders.
676   
677    osg::TexGenNode has been added to provide a mechanism for positioning
678    OpenGL's texture coordinate generation planes.
679
680    Fourteen new examples have been added:
681   
682        osgdem            a utility for creating large scale geospatial paged
683                          database
684
685        osgphotoalbum     an example of how to use PagedLOD to dynamic generate
686                          geometry for paged in imagery
687
688        osgbluemarble     an example of how to build PagedLOD database for
689                          paging imagery
690
691        osgtessellate     an example of how to use osgUtil::Tesselate to
692                          tessellate polygonal boundaries
693
694        osgsimulation     an example of how to use various features in osgSim.
695
696        osgdepthshadow    an example of how to implement shadows use depth
697                          shadow textures.
698
699        osgsimplifier     an example of how to use the new osgUtil::Simplifier.
700
701        osgspacewarp      an example of how to create a special effect that
702                          depends upon tracking the modelview matrix.
703
704        osgdistortion     an example of how to use prerendering of a texture to
705                          create a distortion effect.
706
707        osgsimple         a bare bones example of how to create a simple viewer
708                          using a Windowing toolkit, in this example using
709                          Producer, but is written so the example could easily
710                          be modified to work with other Windowing toolkit.
711
712        osgkeyboardmouse  adding to keyboard and mouse functionality on the
713                          osgsimple base.
714
715        osgsimplepager    adding database paging support to the osgsimple
716                          example.
717   
718        osgmovie          an example which creates a quad to render a loaded
719                          movie file with - requires the LibMpeg3 (Linux) or
720                          Quicktime (OSX) plugin to work.
721       
722        osgvolume         an example that reads a stack of 2d images to create
723                          a 3D texture, and creates a scene graph using
724                          standard OSG components (osg::ClipNode,
725                          osg::TexGenNode, osg::Billboard and
726                          osg::TexEnvCombine) to create a per per lit volume.
727
728   
729    Wrapping up the complete 0.9.7 release is a wide range of smaller features
730    enhancement and many bug fixes.
731
732
7332nd October 2003 - OpenSceneGraph-0.9.6-2
734
735    >>> osgFX Special Effects nodekit (for bumping mapping & cartoon effects etc), support for double Matrix traversals,
736    >>> improved build support, thread safety and robustness.
737   
738    The new osgFX nodekit, written by Marco Jez, adds a set of decorator
739    nodes that add can be conveniently added above subgraphs in your scene
740    to add special a range of special rendering effects.  Effects include
741    AnisotopicLight, BumpMapping, Scribe, Specular Highlights and Cartoon
742    rendering.
743   
744    Support for double Matrices has been added with the new Matrixd class,
745    and complimented by the a Matrixf class.  The original Matrix class is
746    now a typedef which can be set to either Matrixf or Matrixd (which is
747    now the default),  When the Matrix typedef is set to Matrixd and the OSG and
748    dependent apps are recompiled all internal operations such a cull traversals
749    will now be double with double matrices which much improved numerical
750    precision, making it ideal for datasets where a large values are contained
751    with transforms in the scene graph (such as with whole earth databases),
752    and when a transforms are nested which creates requires concatenation of
753    a number of matrices to get the final model view matrices. 
754   
755    The osgGA::MatrixManipulators (which are used to control the camera
756    position) and osgProducer/OpenProducer have been moved across to using
757    exclusively double Matrices.  This has been done to improve numerical
758    precision when computing camera positions, whilst having little impact
759    on performance since camera operations are only done a small number of
760    times per frame.
761   
762    osg::Quat now supports doubles by default, but also allows users to select
763    float version osg::Quat simply by changing the osg::Quat::value_type typedef.
764   
765    Work has been on OpenThreads and OpenProducer, in particular to improve
766    thread safety and robustness on the Win32 platform.  Reported crashes
767    on exit from osgProducer::Viewer based apps, and freezes during runtime
768    have been fixed.
769   
770    Threading problems which caused crashes in recent updates of the Terrapage
771    loader have also been fixed, and additional internal changes have been made
772    to improve the Terrapage loader's ability to hit constant frame rates.   
773    Support has also been added for loading light points directly from the
774    Terrapage database.
775
776    A new .iv/.wrl loader plugin, written by Vivek Rajan, at Magic Earth,
777    has been added to the distribution which uses with OpenInventor or Coin
778    to load model, converting them into OSG equivalents.  Coin has support
779    for VRML97 models, so can be used to import such models into the OSG. 
780    Since the new plugin is dependent on OpenInventor or Coin the compilation
781    is optional, but off by default. To compile this plugin under Unix, set
782    the environmental variable USE_INVENTOR or USE_COIN and recompile. 
783    Windows .dsp project file does to current exist, but should be
784    possible to add this.
785   
786    The .ive plugin has been improved with the addition of support for
787    osgSim light points, and various internal refinements to make it function
788    better on the various platforms supported by the OSG.  Note, these changes
789    mean that the .ive format has has changed and is no longer compatible
790    with previous version of .ive. It is recommend that one recreates .ive
791    for the original source via osgconv or similar to ensure consistency.
792
793    A JPEG2000 image plugin has added, written by Michael Gronager.  The new jp2
794    plugin uses the japser open source project to read and write JPEG2000 files.
795   
796    A scalar bar, and sphere segment helper classes have been added to osgSim,
797    the new osgscalarbar and osgspheresegment examples demonstrate how to use
798    these new features.
799   
800    To help handle running applications of graphics cards/drivers that exhibit
801    bugs with certain OpenGL extensions, support has been added to the GLextensions
802    code to allow extensions to be disabled via the new
803    osg::setGLExtensionDisableString(std::string) function or by setting an
804    OSG_GL_EXTENSION_DISABLE environmental variables.  Follows is an example of
805    the disable string:
806   
807        set OSG_GL_EXTENSION_DISABLE =
808             "ATI:GL_SGIS_generate_mipmap;Sun:GL_EXT_texture_filter_anisotropic:"
809
810    New examples include:
811   
812        osgforest - an example which demonstrates simple techniques for creating forests   
813        osgfxbrowser - an example which demonstrates the various osgFX Effects available   
814        osgscalabar - an example of how to set up the osgSim::ScalarBar.
815        osgspheresegment - an example of how to set up the osgSim::SphereSegement
816        osgpagelod - a very simply test program for setting up osg::PagedLOD/osgDB::DatabasePager
817   
81823rd July 2003 - OpenSceneGraph-0.9.5
819
820    >>> Support added for OpenGL2.0 shaders, native multi-threaded Database paging,
821    >>> high peformance binary format reading and writing,  .dds compressed image
822    >>> loader and ARB_fragment_program and ARB_vertex_buffer_object extensions,
823    >>> improvements to the Terrex .txp and OpenFlight .flt loaders.
824
825    The key new features of the 0.9.5 release are the new OpenGL2.0 nodekit, constant frame rate
826    database paging support,  classes,  and the new native .ive binary plugin which supports
827    both reading and writing of all core osg nodes, including inlining of compressed
828    and non-compressed imagery.
829   
830    The native database paging support, provided by the new osg::PageLOD and osgDB::DatabasePager,
831    achieves constant frame rate through threading of the database reading, and time based
832    incremental compile and delete of display lists, vertex_buffer_objects and texture objects.
833    A new TextureObjectManager class also caches a list of expired texture objects for reuse,
834    and allows new newly loading imagery to reuse expired texture objects, with the imagery
835    automatically subloaded to the reused texture objects.  This reuse happens transparently
836    and benefits other OSG usages such as the OSG's Terrapage loader.
837   
838    To provide support multi-thread operation of the OSG, such as multi-thread database paging
839    and multi-threaded, multi-window graphics enabled by OpenProducer, the OpenSceneGraph and
840    OpenProducer have now adopted the OpenThreads threading library, osgDB and osgProducer now
841    depend upon it.  OpenThreads is open source, light weight, cross platform C++ threading
842    which encapsulates the low level, platform specific threading API calls.  Currently pthreads
843    under Unix and Win32 threads under Windows are supported, with Sgi sproc threads to be
844    released very soon.  The OpenThreads project website can be found at http://openthreads.sf.net.   
845
846    The new .ive binary plugin was developed by Uni-C's VR-Center, and kindly submitted as
847    open source, adds support for binary reading and writing OSG nodes drawable and state
848    (including compressed/mipmapped) textures.  The .ive format produces a much faster
849    load times and smaller file size then native ASCII .osg format. Load times for .ive
850    files are also 10-20x faster then equivalent OpenFlight .flt and load in an already
851    optimized scene graph form making it much more suitable for paging.  Files can be
852    converted easily using the osgconv utility : osgconv myfile.flt myfile.ive
853   
854    The new osgGL2 nodekit library adds support for the OpenGL2.0 vertex ProgramObect and fragment
855    ShaderObject's recently ratified by the OpenGL ARB, . The osgGL2 uses the extension have local
856    prototypes which allow them to be compiled even in the absence of OpenGL headers that don't
857    support the GL2 extension, allowing to port to all platform, and at runtime the extensions are
858    queried for and used if available.  At time of release only 3DLabs WildcatVP series supported
859    this extension at runtime, but other graphics cards and manufactures will be releasing GL2
860    extension very soon and will be automatically supported by osgGL2. The osgGL2 was developed
861    by Mike Weiblen at 3DLabs whom have kindly submitted osgGL2 as open source and for inclusion
862    with the OSG distribution. 
863
864    The ARB_fragment_program, ARB_vertex_buffer_object and ARB_vertex_program attributes are
865    also now supported in core osg library.  The new osg::FragmentProgram state attribute
866    encapsulates the ARB_fragment_program which is supported by the recent graphics cards
867    from NVidia, ATI and 3DLabs.  Support for ARB_vertex_buffer_object and ARB_vertex_program
868    attributes have been added to the osg::Geometry class.  The ARB_vertex_buffer_object extension
869    can boost performance by as much as 50% when working on geometry bound data sets.
870
871    Two new image loaders, dds and pnm, and a 3dc point cloud have been added. The .dds plugin
872    adds support for compressed & mipped mapped imagery, making it ideal for applications where
873    large texture sizes or database paging is required. The pnm image loader reads the
874    pnm, pgm and pbm image formats. See http://netghost.narod.ru/gff/vendspec/pbm/ for details.
875
876    The Terrapage .txp plugin  been updated to include support for multi-texturing, layers and billboards
877    and includes improvements to multi-threaded pager, which has also been ported over to use OpenThreads.
878    The OpenFlight .flt plugin has also been improved and now support detail textures via multi-texturing.
879
880    TessellationHints now supported by ShapeDrawable which allow the shape primitives to be rendered
881    are vary levels of detail.
882
883    Supported has been added for auto scaling and rotating text into osgText.
884
885    Five new examples have been included in the distribution:
886   
887        osgtexturerectangle illustrates how to use the osg::TextureRectangle which encapsulates
888        the NV_texture_rectangle extension.
889       
890        osgprerendercubemap illustrates how to use pre rendering imagery to osg::TextureCubeMap
891        for tasks such as building a environmental texture maps.
892       
893        slideshow3D is a presentation tool which use a scene graph to store a render set of slides, each
894        slide containing layers which can contain bullet points, paragraph, imagery and 3d animated
895        models - and is effectively a 3D power point. The presentations can be built separately and stored in a .osg file or created by
896        slideshow3D via an xml file, two examples - introduction.xml and models.xml, which are included
897        in the OpenSceneGraph-Data-0.9.5 data distribution.  slideshow3D depends upon libxml2 for parsing
898        the xml files.
899       
900        osgpoints uses the osg::Point state attribute to attenuate and control point size and any points
901        loaded by the application.  This is a useful way of visualizing point data clouds.
902       
903        osgdemeter is example of how to integrate the Demeter, OSG using osgProducer::Viewer as a viewer
904        class.  This example depends upon the demeter terrain engine, which can be download from
905        http://www.terrainengine.com.
906
907    Camera style convenience set and get methods to osgUtil::SceneView, consolidating
908    previous functionality that was provided by both osg::SceneView and osg::Camara into one place.
909    This move has made osg::Camera redundant so has it been removed to avoid confusion,
910    usage inconsistencies and bloat of core libraries.
911   
912    The long time deprecated osg::GeoSet has been removed, to aid migration of old .osg datasets
913    osgconv has a copy of GeoSet and the .osg support for it so is able to convert any remaining
914    .osg database which contained GeoSet's.
915
916   
917
91828th April 2003  - OpenSceneGraph-0.9.4-2
919
920    >>> Multi-threaded, multi-pipe support via integration with OpenProducer,
921    >>> 64bit Linux support for Intel Intanium and AMD Opteron,
922    >>> new osgText library with greater performance, and thread safety,
923    >>> new DDS plug-in for compressed and non-compressed images,
924    >>> new MD2 plug-in adds support for animate Quake character and
925    >>> support added for NV_texture_rectangle.
926
927    The most significant new feature is the osgProducer library that adds
928    tight integration with OpenProducer, providing the OpenSceneGraph with a
929    scalable, configurable and portable framework for developing real-time
930    and interactive graphics applications.  The scalability afforded by
931    OpenProducer allows applications to be developed which run seamlessly
932    on single pipe machines up to multi-pipe machines such as Sgi Onyx
933    IR system, and Sun Zulu systems.
934    The osgProducer/OpenProducer framework automatically handles the
935    multi-threading of cull-draw pairs and GUI events.
936
937    All the example programs have been ported over from being based on
938    GLUT to using osgProducer (osgGLUT can now be found in the bazaar
939    section on the website). The move to osgProducer allows all the examples
940    to scale from running on laptops up to multiple CPU and graphics pipe systems.
941    The configuration of threading and multiple camera views can all be done
942    via ASCII configuration files, no need to recompile.  A number of
943    new examples have also been added or revamped, bringing the total to 42.
944
945    Also in the theme of increasing scalability there is support for 64bit Linux for both
946    IA64 (Intel Itanium) and x86-64 (AMD Opteron) which compliments the existing
947    support for Solaris and IRIX 64 bit compilation.  64 bit supports allows
948    the use of very large data sets, and potential performance improvements.
949
950    To help support development teams working with multiple build configuration,
951    the makefile system has been extended to allow multiple build targets to be
952    built from one source code base.  All makefiles are also now named GNUmakefile
953    which ensures that they are only run by gmake to avoid an confusion on system
954    where gmake isn't the default make tool.
955
956    A completely new osgText implemention has been developed which is simpler
957    to use, faster, and thread safe.  Support for high quality true type fonts
958    has now been moved to a freetype plug-in which is dynamically loaded on demand,
959    with the core osgText library providing a default font when the plug-in is
960    unavailable.  Moving the freetype dependency out of the osgText library makes
961    it just dependant on OpenGL and Standard C++ like the rest of the core libraries,
962    allowing osgText to compile by default on all platforms.
963
964    Improved thread safety has also been achieved in the core osg and osgUtil libraries
965    making work on multiple CPU/multi-pipe systems robust and with improved performance.
966
967    Two new plug-ins have been added, for loading DDS and MD2 data formats. The DDS plug-in
968    is for loading compressed and non-compressed images.  The MD2 plug-in loads Quake
969    animated characters.
970   
971    osg::TextureRectangle class has been added, which encapsulates the
972    NV_texture_rectangle and EXT_texture_rectangle extensions.  This is particularly
973    useful for render to texture algorithms, and dynamic paging of images such as for
974    rendering video streams.
975
976    Support for automatic subloading of osg::Texture2D textures has been added
977    so that when image data is updated the corresponding OpenGL texture is
978    automatically updated - no need for callbacks.  Also added to the osg::Texture
979    classes is the option of automatic unref'ing of texture image data once the data has
980    been download to all active OpenGL graphics contexts.
981   
982    A new osgUtil::DelaunayTriangulator utility class has been added.  This is ideal for
983    creating optimal triangular meshes from unconnected data points.
984
985    Two new classes, osg::ArgumentParser and osg::ApplicationUsage, have been introduced
986    to convineiently and robustly parse command line arguments and
987    report command line usage, environmental variables and keyboard and mouse bindings
988    used by applications.  Running any of the examples with -h or --help will report
989    full details example usage.  Keyboard and Mouse bindings usage is now also available as
990    a HUD on all examples, simply press 'h' while the app is running to
991    bring up help.
992
993    A database cache in the osgDB library has been added, along with a clean up
994    of memory management in the OpenFlight loader, make development of
995    dynamic paging of databases easier and more robust.
996   
997    Support for early abort of rendering has been added, which is useful for
998    interactive applications which occasionally have rendering that takes that long
999    enough (i.e.several seconds) that end users may wish to abort during the drawing.
1000
1001    There have also been many general API improvements and bug fixes, too many to enumerate,
1002    but all go to solidify the quality of the scene graph and its accompanying libraries. 
1003   
1004    The combination of new features, robustness and scalability mark this release as a
1005    significant step towards 1.0. 
1006   
1007
1008
100924th January 2003 - OpenSceneGraph-0.9.3.tar.gz
1010
1011    >>> adds support navigational light points, multi-threaded dynamic
1012    >>> paging of Terrapage databases, ARB_vertex_program extension,
1013    >>> DirectD .x model loader, and integration with OpenProducer for
1014    >>> multi-threaded, multi-window/pipe rendering.
1015
1016    Added osgProducer library which integrates the OpenSceneGraph seemlessly
1017    with OpenProducer to provide runtime configurable management of windows
1018    and multipipe graphic systems.  The osgproducer demo illustrate how
1019    developers can write applications very simply that harness the power
1020    of the OpenProducer and OpenSceneGraph in an extremely flexible way.
1021    OpenProducer can be downloaded from:
1022    http://www.andesengineering.com/BlueMarbleViewer/producer_install.html
1023
1024    Support added for dynamic paging of Terrage databases, the required
1025    multi-threading is set up by defult.  All the end user application need
1026    to do is load the database and the paging then happens automatically -
1027    without any need for intervention by the users application.
1028
1029    Addition of osgSim which is NodeKit designed for visual simulation
1030    market, currently features high fidelity light points support.  Light
1031    point sectors, blink sequences and groups, and light point fading are
1032    all supported.
1033
1034    From Brede Johansen, support added for the ARB VertexProgram extension
1035    with osgvertexprogram demo showing reflection and refraction in action, and
1036    osgpbuffer demo for Win32.
1037   
1038    From Ulrich Hertlein, new DirectX .x model loader.
1039
1040    From Tree, Support for encoded text types in osgText.
1041   
1042    New osgshadowtexture demo which illustrates how to create
1043    dynamic shadow textures in your scene.
1044
1045    New osglogo demo - features anti-aliased TrueType text and animation.
1046   
1047    The app phase of operations on the scene graph has been renamed
1048    the update phase to make its function clearer. The main phases are now
1049    named now does update, cull, draw.  The AppVisitor, set/getAppCallback etc
1050    have be renamed UpdateVisitor, set/getUpdateCallback etc.
1051
1052    Removed the osg/ManagerManger and associated #define osgNew's, this has
1053    been done to simplify users code and to solve the lack of thread safety
1054    that was causing problems with the MemoryManager.
1055   
1056    Support added for reading and writing of callbacks in the .osg format.
1057   
1058    Support added for reading and writing of osg::Shapes in the .osg format.
1059
1060    Support added for reading OpenFlight comment records into osg::Node description
1061    fields.
1062   
1063    Improvements to the GEO loaders.
1064   
1065    Numerous bug fixes and API refinements.
1066
1067
106813th November 2002 - OpenSceneGraph-0.9.2.tar.gz
1069
1070    >>> New AC3D and GEO loaders, new Shape primitives, improved OpenFlight support.
1071
1072    From Geoff Michel, AC3D .wc and Carbon Graphics GEO .geo loaders.
1073
1074    Support for multi-texturing added to OpenFlight loader.
1075   
1076    LOD has been revamped to allow independent min and max ranges for
1077    each LOD child, bringing it inline with the OpenFlight style LOD
1078    representation.
1079
1080    Switch has been revamped to allow independent switching on or off of
1081    each Switch child, bringing it inline with the OpenFlight style Switch
1082    representation.
1083
1084    New osg::Shape geometry primitives added which allow the specification
1085    of geometry in a form that can accelerate collision detection, and as
1086    a way of specifying the geometry to tessellate.  Shapes include
1087    Sphere, Oriented Box, Cone, Cylinder, Grid, TriangleMesh, ConvexHull
1088    and CompositeShape which allows the storage of a hierarchy of shapes.
1089   
1090    Geometry has been extended to all per primitive bindings and
1091    per primitive set bindings of attributes, and indexing of attributes
1092    with the same or different index lists for each attribute list.
1093
1094    From Macro Jez, new cubemap helper classes.
1095
1096    Support added for handling different extensions on different graphics
1097    contexts.
1098
1099    Draw and Sort callbacks added to osg::RenderStage.
1100
1101    Added PolygonStipple class.
1102   
1103    Further refinement of class names and method calls:
1104    Renamed classes :
1105   
1106        Primitive    -> PrimitiveSet
1107       
1108    Renamed methods :
1109   
1110        Geometry::addPrimitive(..) -> addPrimitiveSet(..)
1111        Drawable::drawImmediateMode(..) -> drawImplementation(..) const
1112        Drawable::DrawCallback::drawImmediateMode(..) -> drawImplementation(..) const
1113   
1114
111530th August 2002 - OpenSceneGraph-0.9.1.tar.gz
1116
1117    >>> Support added for 1D & 3D textures, texture env combiners, secondary color and fog coords, DOFTransform and Sequence nodes. Inventor/VRML and LWO2 loaders added and the a port HP-UX!
1118
1119    Despite only 6 weeks passing between 0.9.0 and this latest 0.9.1 release
1120    there has been a number of significant new features, API clean ups and
1121    bug fixes.  Follows is a quick run through the key improvements.
1122
1123    Addition of osg::Texture1D, Texture2D & Texture3D classes, Texture2D replaces
1124    the original osg::Texture, which has now become a pure virtual base class. All
1125    Texture classes, including TextureCubeMap are derived from this base class..
1126   
1127    New osgtexture1D and osgtexture3D demos demonstrate the new texture classes in
1128    action.
1129   
1130    The build system has been updated to support HP-UX.  This adds one of the last
1131    remaining mainstream platforms supported.
1132
1133    A new Inventor/VRML1.0 loader was added.  The inventor format has been requested
1134    on numerous occasions, so this is a welcome addition.
1135   
1136    Support added to lwo plugin for loading the new lwo2 format.
1137
1138    osg::TexEnvCombine implemented texture_env_combine and texture_env_crossbar
1139    and texture_env_dot3 extensions.
1140
1141    osg::TexEnv texture_env_add added.
1142
1143    A osg::Sequence node has finally been implemented.  It is accompanied by a
1144    demo, osgsequence.
1145
1146    osg::DOFTransformNode implemented.
1147
1148    Support for OpenFlight15.7 added, DOFTransforms and general enhancements and
1149    bug fixes.
1150
1151    New PROTECTED mode for protecting local state mode and attributes from be
1152    overridden from state above it in the scene graph.
1153   
1154    Support for fog coord and secondary colors extensions added to osg::Geometry.
1155
1156    osg::Billboard has been improved to allow rotations around all axes, as well
1157    as point rotations.  Check osgbillboard for a new improved demo.
1158
1159    The osglight example has been improved by utilizing AnimationPath and
1160    PositionAttitudeTransform to keep light sources in motion.
1161
1162    osg::AnimationPath improved, now allowing swing and looping behavior and
1163    with two new app callbacks which can update PositionAttitudeTransform
1164    and MatrixTransform respectively.
1165   
1166    Support for writing osg::Image's to .rgb format added.
1167
1168    To keep the overall API clean, and the following items have been
1169    renamed and deprecated parts of the API have been removed:
1170
1171    Renamed classes:
1172
1173            EarthSky        -> ClearNode
1174            Transparency    -> BlendFunc
1175            Texture         -> Texture2D  (old style subload parameters removed)
1176
1177    Method's changed
1178
1179            Matrix          -> makeRotate(..) euler angles parameters generalized.
1180            Quat            -> makeRotate(..) euler angles parameters generalized.
1181
1182            BoundingBox     -> isValid() renamed valid()
1183            BoundingSphere  -> isValid() renamed valid()
1184
1185            StateAttribute  -> OVERRIDE_OFF & OVERRIDE_ON which were short hand
1186                               versions of OVERRIDE | OFF and OVERRIDE | ON
1187                               removed, as the meaning of the bitmask was
1188                               often confused by the short hand notation.
1189
1190
1191            Transform       -> setMatrix/getMatrix() etc methods removed,
1192                               Transform becoming the transform base class,
1193                               with MatrixTransform taking over all the original
1194                               functionality.
1195
1196
119719th July 2002 - OpenSceneGraph-0.9.0.tar.gz
1198
1199    >>> OpenSceneGraph goes beta - Multitexturing, Occlusion Culling, Particles and much more added!
1200
1201    This release marks the beginning of the beta phase of the OpenSceneGraph
1202    development, which means that all the major core features are now
1203    in the scene graph, and 1.0 is not far away.  Its performance, features
1204    and portability already compares very favorably to other scene graphs,
1205    both comerical and open source. 
1206
1207    Multi-texturing support added to osg::StateSet, osg::Geometry, osg::State
1208    and txp loader, so multi-texturing can now be done with very little coding
1209    from the user - all you need to do is specify the texture unit to use
1210    when setting texturing state and texture coordinates and the rest is
1211    handled automatically by the scene graph!
1212   
1213    The new osg::Geometry classes which supersedes the old Performer style
1214    osg::GeoSet, support multi-texturing, and uses sharable osg::Arrays which
1215    utilize std::vector<> for data storage and manipulation.
1216
1217    Shadow volume occlusion culling adding to the core OSG, developed as a
1218    collobaration between Mike Connell and Robert Osfield. Our implementation
1219    uses convex planer occluders, with support for holes to allow larger
1220    and more effective occluders to be used. The approach is software
1221    based so it 100% portable, and by culling during the cull traversal
1222    both CPU and GPU loads are significantly reduced, making it an extremely
1223    powerful feature for large scale urban and indoor visulisation.
1224
1225    osgParticle developed by Marco Jez adds support for a range of particle
1226    effects such smoke, fires, engine plumes, fountains, fire works, and
1227    is fully customizable to produce your own favorite effects. osgParticle
1228    is a NodeKit (see below) which can be directly linked to in your
1229    application to allow you to create particle effects by hand, or have
1230    the library dynamically loaded in when you load a database which contains
1231    particle effects.
1232   
1233    osgGA (Gui Abstraction) library written by Neil Salter adds classes for
1234    adapting different GUI toolkits to work with a standard set of manipulators for
1235    modifying the scene, such as camera and state manipulators.
1236   
1237    Support has been added to the plugin architecture to facilitate the
1238    development of NodeKits - add on libraries which can used directly
1239    in your code, or loaded indirectly when loading from file.  The
1240    later allows you to load a .osg file with text or particle effects
1241    in them,the plugin architecture automatically loads the required
1242    library which supports these features.
1243
1244    A range of new demos have been as code examples, and to demonstrate
1245    the range of features that OpenSceneGraph delivers:
1246
1247        osgoccluder  - demonstrates ocllusion culling, and has a mode
1248                       which allows the users to interactively create
1249                       their own convex planer occluders.
1250        osghud       - how to mix head up display with 3d views.
1251        osgparticle  - shows the new osgParticle node kit in action.               
1252        osgprerender - pre renders and scene then textures the result onto
1253                       an animated flag.
1254        osgcallback  - examples of the full range of callbacks that you
1255                       can use to add dynamic behaviors to your scene graph.
1256        osglight     - a simple example of how to set up spot and position
1257                       lights in the scene.
1258        osgclip      - illustrates how to add clip planes to you scene.
1259        osggeometry  - examples of the different ways to set up primitives
1260                       and vertex/color/normal and texture attributes in
1261                       the new osg::Geometry class.
1262        osgmultitexture - a simple example which adds a spherical reflection
1263                        map to a whole scene using the second texture unit
1264                        if one exists.
1265       
1266    osg::Drawable::PrimtiveFunctor has also been added to allow querrying
1267    of primitive data with Drawables subclasses without requiring knowledge
1268    of the types of Drawable subclasses that exists.  This decoupling makes
1269    it a very powerful and flexible utility.
1270
1271
127226th April 2002 - OpenSceneGraph-0.8.45.tar.gz
1273
1274    >>> Support added for Solaris, texture cube mapping & muliple projections.
1275   
1276    The OpenSceneGraph now has a new Makefile system which supports all Unix
1277    compilation including the new addition to the family - Solaris! 
1278
1279    OpenSceneGraph welcomes Solaris to the list of supported platforms.  This
1280    release puts all of the OpenSceneGraph functionality at the fingertips of
1281    Sun Microsystem's customers and developers.  Solaris users can now have
1282    the benefit of a high performance scene graph for visual simulation,
1283    virtual reality, scientific visualization, CAD, and architectural
1284    walk-throughs.  Many thanks to Sun for providing resources for the port.
1285   
1286    Additional html documentation has been added to the distribution to
1287    make it easier to get an understanding of scene graph technology and
1288    the project itself and how to make use of it. 
1289
1290    Support has also been added for OpenGL's texture cube mapping which
1291    is ideal for accurate environmental reflections and much more.
1292   
1293    The scene graph has been extended to allow multiple projection (via
1294    the new osg::Projection node) and viewports within one scene graphs,
1295    this makes it much easier to set up head up displays, and we have
1296    an example to demonstrate how easy it is - osghud.
1297   
1298    The osgUtil::CullVisitor and osgUtil::SceneView has been revamped
1299    removing the dependency on osg::Camera, which is now simply an
1300    option for SceneView rather than a requirement.  This allows users
1301    to set the camera entirely with the scene graph or create their own
1302    camera classes and use them with SceneView.  The existing osg::Camera
1303    has also been simplified as support for setting projection and
1304    modelview matrices have been moved out to the cull traversal.
1305   
1306    Several sets of node callbacks have been added, including a Cull
1307    NodeCallback on each Node, ComputeTransformCallback on Transform
1308    Nodes, EvaluateLODCallback on LOD nodes, ComputeBillboardCallback
1309    on Billboard nodes.  These make it my easier to customize the
1310    scene graphs behavior at runtime.
1311   
1312    osg::Image::readPixels() and support for writing .bmp files has been
1313    added which has made it easy to add screen capture the any OpenSceneGraph
1314    application.  This feature is demonstrated in the scene graph viewer
1315    which comes with the distribution - just press 'O' to output a screenshot.
1316   
1317    Finally, include/osg/MemoryManager has been added which overrides new
1318    and delete for debug builds. The override new and delete track allocations
1319    and deallocations, ensure they are matched, checked for memory under and
1320    overruns, and outputs a memleaks.log file on the results of executing
1321    your applications.  This help track down a number of memory leaks and
1322    unmatched new and deletes within the OpenSceneGraph and should make
1323    it easier to do with users applications as well.
1324   
1325    All in all, the OpenSceneGraph is now more portable, easier to
1326    customize, cleaner and more robust.  Beta release and 1.0 is now not
1327    far away!
1328   
1329
133024th February 2002 - osg-0.8.44.tar.gzosg-
1331
1332    >>> Support added for Mac OSX, Cygwin and MinGW, and new TerraPage loader.
1333   
1334    The major item for this release is the completion of the Mac OSX port,
1335    thanks to Phil Atkin and others for making this happen.
1336   
1337    Also added to support for Cygwin and MinGW builds which gives Windows
1338    users a free and robust alternative to the Visual C++, which we
1339    have Norman Vine to thank.
1340   
1341    Funtionality wise there has been a great deal of work behind the scenes
1342    putting in place a flexible and extensible framework for handling
1343    transform nodes, users can now extend the osg::Transform node through
1344    subclassing or via callbacks.  This work will underpin future work
1345    on moving camera setup into the scene graph, and environmental effects
1346    such as cloud layers, ground planes, stars and earth sky implementations
1347    which are planned for the next release.
1348   
1349    Callbacks and virtual methods have also been added to the osg::LOD &
1350    osg::Billboard to allow users to customize their behavior.  Draw
1351    callbacks have also been added to allow customization of osg::Drawables
1352    at runtime.
1353   
1354    The Open Flight .flt loader has undergone a number of improvements
1355    including support for instancing and billboards.
1356   
1357    New TerraPage (.txp) loader and OpenDX writer (.dx) plugins have been added.
1358   
1359    Support for the clone operation on osg::Object's has been expanded
1360    to allow cloneType() - a simple clone an blank object of the same type,
1361    and clone(CopyOp&) where CopyOp is a functor which allows users to
1362    specify the deep copy vs shallow copying of object data.
1363   
1364
13652nd January 2002 - osg-0.8.43.tar.gz
1366
1367    >>> Support for TrueType text, Stereo out of the box, and much more.
1368   
1369    Since the last release the OSG has moved to CVS based developments so
1370    many users will have seen gradual increments in functionality and changes
1371    to the API. Whereas a the leap from 0.8.42 to 0.8.43 is actually quite
1372    significant is likely to require code changes as several significant parts
1373    of the API have evolved to a more mature state.
1374   
1375    The most significant new functionality is the addition of the osgText
1376    library which provides support for true type font rendering, as textured,
1377    polygonal, pixmap, bitmap and 3D fonts.
1378   
1379    We now have new osg::Matrix implementation which cleans up its interface.
1380    Also all angular parameters are now based on radians rather than degrees
1381    as before (and as in Performer), this has been done to be more consistent
1382    with the basic trignometric functions and standard maths conventions.
1383   
1384    Scene graph optimization has been added which can boost performance
1385    on some database by as much as an order of magnititude, this is
1386    particularily noticable in .flt based databases.  Display list performance
1387    has also been boosted on NVidia based machines thanks to changing the
1388    compilation and execution of display list into two seperate operations.
1389   
1390    App callbacks are now supported on all Nodes, and there now a proper
1391    app traversal which can be used to animate the scene.
1392   
1393    Stereo support has been added into the osgUtil::SceneView which allows
1394    quad buffered/anaglyphic stereo to enabled easily for almost all OSG
1395    applications without code modifications - simple set environmental
1396    variable or pass in appropriate arguments and your app will render in
1397    stereo!
1398
1399    src/Demos/osgcluster has been added to demonstrate how easy it is
1400    to set up a graphics cluster across a standard networked PC's.
1401
1402    There have been many minor code changes to fix bugs and address
1403    performance bottlenecks or to improve extensibility was, representing
1404    a significant step towards API maturity and a beta release which is
1405    now not far away.
1406
1407
14089th August 2001 - osg-0.8.42.tar.gz
1409
1410    >>> New osgWX library for integration of OSG with wxWindows apps.
1411
1412    This release sees a relatively minor number of enhancements over
1413    0.8.41, the most significant being the new osgWX library and wxsgv
1414    demo written by Ben Discoe.
1415   
1416    Also from Brede Johansen in this release is the improvements in support for older
1417    .flt (Open Flight) files such versions 12 & 13.  Previously only version
1418    15.6 files had been tested and developed to.
1419   
1420    Last but by no means least, several bug fixes related to view frustum
1421    culling have been made.
1422
1423
142425th July 2001 - osg-0.8.41.tar.gz
1425
1426    >>> Support added for multi-pass and multi-stage rendering including Impostors.
1427
1428    The key feature developed is a highly flexible framework for multi-pass and
1429    multi-stage rendering techniques.  Unlike most scene graphs and games
1430    engines the OSG has as dynamic framework which automatically configures
1431    itself at runtime.
1432
1433    Building ontop of the new framework's multi-stage rendering capabilities,
1434    support for Impostors (hirachical image caching) has been integrated into
1435    the core scene graph  library making extremely easy to take advantage of
1436    this advanced rendering techinque - normally only seen in research papers.
1437    Check out osgimpostor demo to see how easy it is to add osg::Impostor
1438    nodes to your own models. Impostors are particularily effective are
1439    reducing scene complexity whilest minimizing the visual impact, making it
1440    ideal for scenes with large numbers of complex objects such as a city
1441    scene, or a dense forest.
1442   
1443    Taking advantage of the new framework's multi-pass rendering capabilities
1444    is osgreflect demo which illustrates how to achieve planar relfections
1445    using the stencil buffer and multi-pass rendering.
1446   
1447    The cool thing about both the osgreflect and osgimpostor demos is that
1448    there is no hardwiring to achieve the results, the scene graph stores
1449    all the information neccessary to specify the number and type of rendering
1450    passes, and the framework handles the rest behind the scenes.  This also
1451    makes it very easy to add these advanced rendering techinques to your
1452    own applications as everything is cleanly encapsulated with
1453    osgUtil::SceneView.
1454
1455    New loaders have been added to support .lwo (Light Wave), .obj
1456    (Alias Wavefront) and .dw (Design Workshop) 3D file formats making it
1457    even easier to compose your own worlds from models sourced from the
1458    web or your own.
1459   
1460    osg::Camera has been totally revamped and now supports asymetric
1461    and othographics projections in addition to the symetrical perspective
1462    projections.
1463
1464    And finally, support for texture subloading has been added to osg::Texture
1465    and osg::Image.  This allows textures to be updated dynamically, and
1466    has already been used for mpeg video playback!   
1467
1468
146919th May 2001 - osg-0.8.40.tar.gz
1470
1471    >>> Project lead, Robert Osfield, makes full-time commitment to OSG.
1472
1473    This is the first full release since project lead, Robert Osfield, made
1474    a move to pursue the OSG's development full-time.  This commitment has
1475    been made to bring the API rapidly towards maturity, and to provide
1476    high quality support and consultancy services.  Please contact
1477    robert@openscenegraph.com if you have any queries.
1478
1479    This release marks a significant step forward in the maturity of the
1480    API, with several major changes to the library in the areas of state
1481    handling, database support, and portability.
1482
1483    To improve the extensibility of the OSG's handling of OpenGL state,
1484    new classes have been introduced to replace the previous hardwired
1485    state handling classes.  The new classes also allow improved state
1486    sorting and lazy state updating which boosts both cull traversal
1487    and particularly draw traversal performance.
1488
1489    To improve the modularity, interopability and conceptual clarity the
1490    support classes for database loading have been moved from the core
1491    osg library into their own osgDB library.  Support for the .osg
1492    ASCII native database format and the .rgb reader has moved into its own
1493    osgPlugins library to further the cleanliness of the core library.
1494
1495    Support has be added for multiple OpenGL context's and hence multi-pipe
1496    systems such as sgi's Onyx2, allowing each context to have its own
1497    display list and texture objects.
1498
1499    The culler and rendering support in osgUtil has also been improved, and
1500    significantly speeded up for complex models.
1501
1502    Also just in, thanks to Randall Hopper for adding support for FreeBSD :-)
1503
1504   
150523rd March 2001 - osg-0.8.39.tar.gz
1506
1507    >>> Port of OSG to MacOS underway
1508
1509    The first steps towards support of MacOS have been taken by Bryan Woods,
1510    adding Metrowerks project files and adding support for MacOS into the
1511    core scene graph.  Work still in progress so assistance welcome to
1512    complete the task.
1513
1514    Other major developments have been the addition of two new base classes
1515    osg::StateAttribute and osg::Drawable which are designed to allow greater
1516    extensibility of OpenGL state management and primitives.
1517
1518
151917th Feburary 2001 - osg-0.8.38.tar.gz
1520
1521    >>> New 3DS loader added
1522
1523    The OpenSceneGraph now supports the 3DS file format. This makes
1524    available a huge range of potential models. Check out
1525    http://www.3dcafe.com or http://www.3drocketfuel.com for some juice.
1526
152710th Feburary 2001 - osg_src-0.8-37.tar.gz
1528
1529    >>> Texture compression now supported
1530
1531    The OpenSceneGraph now provides support for ARB and S3TC texture
1532    compression. This allows more textures to be loaded onto graphics
1533    card memory, resulting in happier users and a better world in which
1534    to live.
1535
1536    This release also sees the addition of a simple hang gliding flight sim
1537    demo.
1538
153925th January 2001 - osg_src-0.8-35.tar.gz
1540
1541    >>> Anisotropic texturing now supported <i>and</i> loading of gzip compressed files
1542
1543    Anisotropic texturing provides for the next step in quality texturing
1544    filtering above tri-linear and is especially effective when viewing
1545    texture surfaces at shallow angles.
1546
1547    Also added in this release is on-the-fly support for loading gzipped
1548    (.osgtgz, .tgz) and zipped (.zip) database files.  This features allows
1549    users to store whole databases (models and textures) in a single
1550    tar ball and unpack them automatically on running the osg.  This
1551    is ideal for browsing the web.
1552
155322nd December 2000 - osg_src-0.8-33.tar.gz
1554
1555    >>> Support added for OpenGL vertex arrays, and several key image loaders.
1556   
1557    Support for OpenGL vertex arrays has been added to improve performance,
1558    particularly accelerating PC based graphics.
1559
1560    Also added is support gif, jpeg, pic, tga, tiff image formats via
1561    dynamic plugins.
1562
15638th Decemeber 2000 - osg_src-0.8-32.tar.gz
1564
1565    >>> New high resolution, low latency timer class - osg::Timer.
1566
1567    Real-time graphics relies upon accurate timers for updating physics
1568    simulations and managing constant framerates.  The OSG now provides
1569    osg::Timer which, when supported, takes advantage of hardware timers.
1570
1571
157218th November 2000 - osg_src-0.8-29.tar.gz
1573
1574    >>> Support for detail drawing with osg::PolygonOffset.
1575
1576    Rendering of polygons which overlay underlying geometry, such
1577    as white lines on a runway, can now be achieved utilizing the
1578    new osg::PolygonOffset which encapsulates glPolygonOffset to
1579    avoid z fighting which otherwise hampers such detailing.
1580
158110th November 2000 - osg_src-0.8-28.tar.gz
1582
1583    >>> New Open Flight .flt loader!
1584
1585    Thanks to Brede Johansen submission of .flt loader, the OSG can now
1586    read Open Flight .flt databases.
1587
15883rd November 2000 - osg_src-0.8-26.tar.gz
1589
1590    >>> Driving and Flight modes have been added to viewers.
1591
1592    osgUtil::DriveManipulator and osgUtil::FlightManipulator have been
1593    added to allow the scene graph viewer (sgv) and other viewers to
1594    support a drive and flying modes.  These modes can be accessed
1595    in sgv by pressing '2' and '3' respectively ('1' returns to
1596    trackball manipulator).  Left mouse button accelerates forward,
1597    middle stops motion and right deccelerates.
1598
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