298 lines
9.4 KiB
C++
298 lines
9.4 KiB
C++
#include <osgTerrain/TerrainTile>
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#include <iostream>
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#include <string>
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <osg/io_utils>
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#include <osgDB/ReadFile>
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#include <osgDB/Registry>
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#include <osgDB/Input>
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#include <osgDB/Output>
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#include <osgDB/ParameterOutput>
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bool TerrainTile_readLocalData(osg::Object &obj, osgDB::Input &fr);
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bool TerrainTile_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
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osgDB::RegisterDotOsgWrapperProxy TerrainTile_Proxy
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(
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new osgTerrain::TerrainTile,
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"TerrainTile",
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"Object Node TerrainTile Group",
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TerrainTile_readLocalData,
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TerrainTile_writeLocalData
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);
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bool TerrainTile_readLocalData(osg::Object& obj, osgDB::Input &fr)
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{
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osgTerrain::TerrainTile& terrainTile = static_cast<osgTerrain::TerrainTile&>(obj);
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bool itrAdvanced = false;
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osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
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if (readObject.valid()) itrAdvanced = true;
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osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
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if (locator) terrainTile.setLocator(locator);
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if (fr.matchSequence("ElevationLayer {"))
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{
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int entry = fr[0].getNoNestedBrackets();
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fr += 2;
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while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
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{
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bool localAdvanced = false;
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osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
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osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
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if (readObject.valid()) localAdvanced = true;
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unsigned int minLevel=0;
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if (fr.read("MinLevel",minLevel))
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{
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itrAdvanced = true;
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}
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unsigned int maxLevel = MAXIMUM_NUMBER_OF_LEVELS;
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if (fr.read("MaxLevel",maxLevel))
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{
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itrAdvanced = true;
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}
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if (fr.matchSequence("ProxyLayer %s") || fr.matchSequence("ProxyLayer %w") )
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{
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osgTerrain::ProxyLayer* proxyLayer = new osgTerrain::ProxyLayer;
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proxyLayer->setFileName(fr[1].getStr());
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if (locator) proxyLayer->setLocator(locator);
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if (minLevel!=0) proxyLayer->setMinLevel(minLevel);
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if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) proxyLayer->setMaxLevel(maxLevel);
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terrainTile.setElevationLayer(proxyLayer);
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fr += 2;
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localAdvanced = true;
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}
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else
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{
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osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Layer>());
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osgTerrain::Layer* readLayer = dynamic_cast<osgTerrain::Layer*>(readObject.get());
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if (readLayer)
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{
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if (locator) readLayer->setLocator(locator);
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if (minLevel!=0) readLayer->setMinLevel(minLevel);
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if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) readLayer->setMaxLevel(maxLevel);
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terrainTile.setElevationLayer(readLayer);
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}
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if (readObject.valid()) localAdvanced = true;
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}
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if (!localAdvanced) ++fr;
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}
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itrAdvanced = true;
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}
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bool firstMatched = false;
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if ((firstMatched = fr.matchSequence("ColorLayer %i {")) || fr.matchSequence("ColorLayer {") )
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{
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unsigned int layerNum = 0;
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if (firstMatched)
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{
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fr[1].getUInt(layerNum);
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++fr;
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}
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int entry = fr[0].getNoNestedBrackets();
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fr += 2;
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while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
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{
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bool localAdvanced = false;
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osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Locator>());
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osgTerrain::Locator* locator = dynamic_cast<osgTerrain::Locator*>(readObject.get());
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if (readObject.valid()) localAdvanced = true;
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unsigned int minLevel=0;
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if (fr.read("MinLevel",minLevel))
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{
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itrAdvanced = true;
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}
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unsigned int maxLevel = MAXIMUM_NUMBER_OF_LEVELS;
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if (fr.read("MaxLevel",maxLevel))
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{
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itrAdvanced = true;
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}
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if (fr.matchSequence("ProxyFile %s") || fr.matchSequence("ProxyFile %w") )
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{
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osg::ref_ptr<osg::Object> image = osgDB::readObjectFile(std::string(fr[1].getStr())+".gdal");
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osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<osgTerrain::ProxyLayer*>(image.get());
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if (proxyLayer)
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{
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if (locator) proxyLayer->setLocator(locator);
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if (minLevel!=0) proxyLayer->setMinLevel(minLevel);
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if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) proxyLayer->setMaxLevel(maxLevel);
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terrainTile.setColorLayer(layerNum, proxyLayer);
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}
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fr += 2;
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localAdvanced = true;
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}
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else
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{
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osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::Layer>());
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osgTerrain::Layer* readLayer = dynamic_cast<osgTerrain::Layer*>(readObject.get());
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if (readLayer)
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{
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if (locator) readLayer->setLocator(locator);
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if (minLevel!=0) readLayer->setMinLevel(minLevel);
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if (maxLevel!=MAXIMUM_NUMBER_OF_LEVELS) readLayer->setMaxLevel(maxLevel);
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terrainTile.setColorLayer(layerNum, readLayer);
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}
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if (readObject.valid()) localAdvanced = true;
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}
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if (!localAdvanced) ++fr;
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}
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itrAdvanced = true;
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}
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readObject = fr.readObjectOfType(osgDB::type_wrapper<osgTerrain::TerrainTechnique>());
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if (readObject.valid())
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{
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terrainTile.setTerrainTechnique(dynamic_cast<osgTerrain::TerrainTechnique*>(readObject.get()));
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itrAdvanced = true;
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}
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if (osgTerrain::TerrainTile::getTileLoadedCallback().valid())
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osgTerrain::TerrainTile::getTileLoadedCallback()->loaded(&terrainTile, fr.getOptions());
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return itrAdvanced;
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}
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bool TerrainTile_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
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{
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const osgTerrain::TerrainTile& terrainTile = static_cast<const osgTerrain::TerrainTile&>(obj);
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int prec = fw.precision();
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fw.precision(15);
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if (terrainTile.getLocator())
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{
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fw.writeObject(*terrainTile.getLocator());
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}
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if (terrainTile.getElevationLayer())
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{
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fw.indent()<<"ElevationLayer {"<<std::endl;
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fw.moveIn();
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const osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<const osgTerrain::ProxyLayer*>(terrainTile.getElevationLayer());
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if (proxyLayer)
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{
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if (!proxyLayer->getFileName().empty())
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{
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const osgTerrain::Locator* locator = proxyLayer->getLocator();
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if (locator && !locator->getDefinedInFile())
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{
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fw.writeObject(*locator);
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}
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if (proxyLayer->getMinLevel()!=0)
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{
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fw.indent()<<"MinLevel "<<proxyLayer->getMinLevel()<<std::endl;
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}
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if (proxyLayer->getMaxLevel()!=MAXIMUM_NUMBER_OF_LEVELS)
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{
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fw.indent()<<"MaxLevel "<<proxyLayer->getMaxLevel()<<std::endl;
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}
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fw.indent()<<"ProxyLayer "<<proxyLayer->getFileName()<<std::endl;
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}
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}
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else if (terrainTile.getElevationLayer())
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{
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fw.writeObject(*terrainTile.getElevationLayer());
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}
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fw.moveOut();
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fw.indent()<<"}"<<std::endl;
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}
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for(unsigned int i=0; i<terrainTile.getNumColorLayers(); ++i)
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{
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const osgTerrain::Layer* layer = terrainTile.getColorLayer(i);
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if (layer)
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{
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if (i>0)
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{
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fw.indent()<<"ColorLayer "<<i<<" {"<<std::endl;
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}
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else
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{
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fw.indent()<<"ColorLayer {"<<std::endl;
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}
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fw.moveIn();
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const osgTerrain::ProxyLayer* proxyLayer = dynamic_cast<const osgTerrain::ProxyLayer*>(layer);
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if (proxyLayer)
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{
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const osgTerrain::Locator* locator = proxyLayer->getLocator();
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if (locator && !locator->getDefinedInFile())
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{
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fw.writeObject(*locator);
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}
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if (proxyLayer->getMinLevel()!=0)
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{
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fw.indent()<<"MinLevel "<<proxyLayer->getMinLevel()<<std::endl;
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}
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if (proxyLayer->getMaxLevel()!=MAXIMUM_NUMBER_OF_LEVELS)
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{
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fw.indent()<<"MaxLevel "<<proxyLayer->getMaxLevel()<<std::endl;
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}
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if (!proxyLayer->getFileName().empty()) fw.indent()<<"ProxyLayer "<<proxyLayer->getFileName()<<std::endl;
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}
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else if (layer)
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{
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fw.writeObject(*terrainTile.getColorLayer(i));
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}
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fw.moveOut();
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fw.indent()<<"}"<<std::endl;
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}
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}
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if (terrainTile.getTerrainTechnique())
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{
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fw.writeObject(*terrainTile.getTerrainTechnique());
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}
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fw.precision(prec);
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return true;
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}
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