root/OpenSceneGraph/trunk/src/osgPlugins/txp/TXPPagedLOD.h @ 13041

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1// -*-c++-*-
2/***************************************************************************
3 * December 2003
4 *
5 * This TerraPage loader was re-written in a fashion to use PagedLOD
6 * to manage paging entirely, also includes a version of Terrex's smart mesh
7 * adapted to work with PagedLOD. The essential code by Boris Bralo is still present,
8 * slight modified.
9 * nick at terrex dot com
10 *
11 * Ported to PagedLOD technology by Trajce Nikolov (Nick) & Robert Osfield
12 *****************************************************************************/
13
14/***************************************************************************
15 * OpenSceneGraph loader for Terrapage format database
16 * by Boris Bralo 2002
17 *
18 * based on/modifed  sgl (Scene Graph Library) loader by Bryan Walsh
19 *
20 * This loader is based on/modified from Terrain Experts Performer Loader,
21 * and was ported to SGL by Bryan Walsh / bryanw at earthlink dot net
22 *
23 * That loader is redistributed under the terms listed on Terrain Experts
24 * website (www.terrex.com/www/pages/technology/technologypage.htm)
25 *
26 * "TerraPage is provided as an Open Source format for use by anyone...
27 * We supply the TerraPage C++ source code free of charge.  Anyone
28 * can use it and redistribute it as needed (including our competitors).
29 * We do, however, ask that you keep the TERREX copyrights intact."
30 *
31 * Copyright Terrain Experts Inc. 1999.
32 * All Rights Reserved.
33 *
34 *****************************************************************************/
35#ifndef __TXPPAGEDLOD_H_
36#define __TXPPAGEDLOD_H_
37
38#include <osg/PagedLOD>
39#include "TileMapper.h"
40
41namespace txp
42{
43    class TXPPagedLOD : public osg::PagedLOD
44    {
45    public:
46        TXPPagedLOD();
47
48        /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
49        TXPPagedLOD(const TXPPagedLOD&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
50
51        META_Node(txp, TXPPagedLOD);
52
53        virtual void traverse(osg::NodeVisitor& nv);
54
55        inline void setTileId(int x, int y, int lod)
56        {
57            _tileIdentifier.set(x,y,lod);
58        }
59
60        TileIdentifier _tileIdentifier;
61
62        virtual osg::BoundingSphere computeBound() const;
63
64    protected:
65        virtual ~TXPPagedLOD();
66
67    };
68
69} // namespace
70
71#endif // __TXPPAGEDLOD_H_
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