159 lines
4.4 KiB
C++
159 lines
4.4 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 Locator_readLocalData(osg::Object &obj, osgDB::Input &fr);
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bool Locator_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
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osgDB::RegisterDotOsgWrapperProxy Locator_Proxy
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(
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new osgTerrain::Locator,
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"Locator",
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"Object Locator",
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Locator_readLocalData,
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Locator_writeLocalData
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);
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bool Locator_readLocalData(osg::Object& obj, osgDB::Input &fr)
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{
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osgTerrain::Locator& locator = static_cast<osgTerrain::Locator&>(obj);
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bool itrAdvanced = false;
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if (fr.matchSequence("Format %w") || fr.matchSequence("Format %s") )
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{
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locator.setFormat(fr[1].getStr());
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fr += 2;
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itrAdvanced = true;
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}
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if (fr.matchSequence("CoordinateSystemType %w"))
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{
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if (fr[1].matchWord("GEOCENTRIC")) locator.setCoordinateSystemType(osgTerrain::Locator::GEOCENTRIC);
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else if (fr[1].matchWord("GEOGRAPHIC")) locator.setCoordinateSystemType(osgTerrain::Locator::GEOGRAPHIC);
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else locator.setCoordinateSystemType(osgTerrain::Locator::PROJECTED);
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fr += 2;
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itrAdvanced = true;
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}
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if (fr.matchSequence("CoordinateSystem %w") || fr.matchSequence("CoordinateSystem %s") )
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{
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locator.setCoordinateSystem(fr[1].getStr());
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fr += 2;
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itrAdvanced = true;
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}
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if (fr.matchSequence("TransformScaledByResolution %w"))
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{
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locator.setTransformScaledByResolution(fr[1].matchWord("TRUE") || fr[1].matchWord("True") || fr[1].matchWord("true"));
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fr += 2;
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itrAdvanced = true;
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}
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if (fr.matchSequence("Transform {"))
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{
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int tansform_entry = fr[0].getNoNestedBrackets();
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fr += 2;
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int row=0;
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int col=0;
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double v;
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osg::Matrixd matrix;
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while (!fr.eof() && fr[0].getNoNestedBrackets()>tansform_entry)
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{
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if (fr[0].getFloat(v))
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{
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matrix(row,col)=v;
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++col;
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if (col>=4)
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{
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col = 0;
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++row;
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}
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++fr;
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}
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else fr.advanceOverCurrentFieldOrBlock();
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}
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locator.setTransform(matrix);
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++fr;
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itrAdvanced = true;
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}
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if (fr.matchSequence("Extents %f %f %f %f"))
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{
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double minX,minY,maxX,maxY;
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fr[1].getFloat(minX);
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fr[2].getFloat(minY);
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fr[3].getFloat(maxX);
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fr[4].getFloat(maxY);
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locator.setTransformAsExtents(minX, minY, maxX, maxY);
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fr += 5;
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itrAdvanced = true;
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}
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return itrAdvanced;
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}
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bool Locator_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
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{
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const osgTerrain::Locator& locator = static_cast<const osgTerrain::Locator&>(obj);
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if (!locator.getFormat().empty()) fw.indent()<<"Format "<<fw.wrapString(locator.getFormat())<<std::endl;
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if (!locator.getCoordinateSystem().empty()) fw.indent()<<"CoordinateSystem "<<fw.wrapString(locator.getCoordinateSystem())<<std::endl;
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fw.indent()<<"CoordinateSystemType ";
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switch(locator.getCoordinateSystemType())
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{
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case(osgTerrain::Locator::GEOCENTRIC):
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{
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fw<<"GEOCENTRIC"<<std::endl;
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break;
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}
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case(osgTerrain::Locator::GEOGRAPHIC):
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{
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fw<<"GEOGRAPHIC"<<std::endl;
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break;
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}
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case(osgTerrain::Locator::PROJECTED):
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{
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fw<<"PROJECTED"<<std::endl;
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break;
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}
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}
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fw.indent()<<"TransformScaledByResolution " << (locator.getTransformScaledByResolution() ? "TRUE":"FALSE") <<std::endl;
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const osg::Matrixd& matrix = locator.getTransform();
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fw.indent() << "Transform {" << std::endl;
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fw.moveIn();
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fw.indent() << matrix(0,0) << " " << matrix(0,1) << " " << matrix(0,2) << " " << matrix(0,3) << std::endl;
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fw.indent() << matrix(1,0) << " " << matrix(1,1) << " " << matrix(1,2) << " " << matrix(1,3) << std::endl;
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fw.indent() << matrix(2,0) << " " << matrix(2,1) << " " << matrix(2,2) << " " << matrix(2,3) << std::endl;
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fw.indent() << matrix(3,0) << " " << matrix(3,1) << " " << matrix(3,2) << " " << matrix(3,3) << std::endl;
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fw.moveOut();
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fw.indent() << "}"<< std::endl;
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return true;
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}
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