364 lines
12 KiB
C++
364 lines
12 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This application is open source and may be redistributed and/or modified
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* freely and without restriction, both in commericial and non commericial applications,
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* as long as this copyright notice is maintained.
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*
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* This application is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <osg/Texture2D>
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#include <osg/Geometry>
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#include <osg/State>
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#include <osg/ShapeDrawable>
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#include <osgDB/ReadFile>
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#include <osgDB/WriteFile>
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#include <osgDB/ImageOptions>
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#include <osgDB/FileNameUtils>
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#include <osgUtil/Optimizer>
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#include <osgUtil/TriStripVisitor>
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#include <osgUtil/SmoothingVisitor>
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#include <osgUtil/TangentSpaceGenerator>
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#include <osgFX/BumpMapping>
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#include <osgProducer/Viewer>
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#include <osg/Switch>
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#include <osgTerrain/DataSet>
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#include <ogr_spatialref.h>
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class GraphicsContext {
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public:
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GraphicsContext()
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{
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rs = new Producer::RenderSurface;
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rs->setWindowRectangle(0,0,1,1);
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rs->useBorder(false);
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rs->useConfigEventThread(false);
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rs->realize();
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std::cout<<"Realized window"<<std::endl;
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}
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virtual ~GraphicsContext()
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{
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}
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private:
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Producer::ref_ptr<Producer::RenderSurface> rs;
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};
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char *SanitizeSRS( const char *pszUserInput )
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{
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OGRSpatialReferenceH hSRS;
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char *pszResult = NULL;
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CPLErrorReset();
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hSRS = OSRNewSpatialReference( NULL );
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if( OSRSetFromUserInput( hSRS, pszUserInput ) == OGRERR_NONE )
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OSRExportToWkt( hSRS, &pszResult );
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else
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{
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CPLError( CE_Failure, CPLE_AppDefined,
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"Translating source or target SRS failed:\n%s",
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pszUserInput );
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exit( 1 );
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}
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OSRDestroySpatialReference( hSRS );
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return pszResult;
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}
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void ellipsodeTransformTest(double latitude, double longitude, double height)
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{
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osgTerrain::EllipsodeTransform transform;
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double X,Y,Z;
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double newLat, newLong, newHeight;
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transform.convertLatLongHeightToXYZ(latitude,longitude,height,
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X,Y,Z);
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transform.convertXYZToLatLongHeight(X,Y,Z,
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newLat,newLong,newHeight);
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std::cout<<"lat = "<<osg::RadiansToDegrees(latitude)<<"\tlong="<<osg::RadiansToDegrees(longitude)<<"\t"<<height<<std::endl;
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std::cout<<"X = "<<X<<"\tY="<<Y<<"\tZ="<<Z<<std::endl;
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std::cout<<"lat = "<<osg::RadiansToDegrees(newLat)<<"\tlong="<<osg::RadiansToDegrees(newLong)<<"\t"<<newHeight<<std::endl;
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}
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// set up the usage document, in case we need to print out how to use this program.
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arguments.getApplicationUsage()->setApplicationName(arguments.getApplicationName());
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arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the standard OpenSceneGraph example which loads and visualises 3d models.");
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arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
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arguments.getApplicationUsage()->addCommandLineOption("-d <filename>","Specify the digital elevation map input file to process");
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arguments.getApplicationUsage()->addCommandLineOption("-t <filename>","Specify the texture map input file to process");
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arguments.getApplicationUsage()->addCommandLineOption("-m <filename>","Specify the 3D database model input file to process");
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arguments.getApplicationUsage()->addCommandLineOption("-o <outputfile>","Specify the output master file to generate");
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arguments.getApplicationUsage()->addCommandLineOption("-l <numOfLevels>","Specify the number of PagedLOD levels to generate");
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arguments.getApplicationUsage()->addCommandLineOption("-e <x> <y> <w> <h>","Extents of the model to generate");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
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arguments.getApplicationUsage()->addCommandLineOption("--o_cs <coordinates system string>","Set the output coordinates system. The string may be any of the usual GDAL/OGR forms, complete WKT, PROJ.4, EPS");
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if (arguments.argc()<=1)
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{
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arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
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return 1;
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}
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// create DataSet.
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osg::ref_ptr<osgTerrain::DataSet> dataset = new osgTerrain::DataSet;
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float x,y,w,h;
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while (arguments.read("-e",x,y,w,h))
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{
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dataset->setDestinationExtents(osg::BoundingBox(x,y,0.0f,x+w,y+h,0.0f));
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}
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while (arguments.read("--HEIGHT_FIELD"))
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{
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dataset->setGeometryType(osgTerrain::DataSet::HEIGHT_FIELD);
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}
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while (arguments.read("--POLYGONAL"))
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{
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dataset->setGeometryType(osgTerrain::DataSet::POLYGONAL);
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}
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while (arguments.read("--LOD"))
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{
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dataset->setDatabaseType(osgTerrain::DataSet::LOD_DATABASE);
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}
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while (arguments.read("--PagedLOD"))
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{
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dataset->setDatabaseType(osgTerrain::DataSet::PagedLOD_DATABASE);
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}
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dataset->setDestinationTileBaseName("output");
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dataset->setDestinationTileExtension(".ive");
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float numLevels = 6.0f;
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while (arguments.read("-l",numLevels)) {}
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float verticalScale;
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while (arguments.read("-v",verticalScale))
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{
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dataset->setVerticalScale(verticalScale);
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}
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// if user request help write it out to cout.
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if (arguments.read("-h") || arguments.read("--help"))
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{
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arguments.getApplicationUsage()->write(std::cout);
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return 1;
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}
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// read the input data
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std::string filename;
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std::string currentCS;
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osg::Matrixd geoTransform;
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bool geoTransformSet = false;
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bool argumentRead = true;
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int pos = 1;
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while(pos<arguments.argc())
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{
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std::string def;
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osgTerrain::DataSet::Source* source = 0;
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if (arguments.read(pos, "--cs",def))
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{
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argumentRead = true;
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currentCS = !def.empty() ? SanitizeSRS(def.c_str()) : "";
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std::cout<<"--cs "<<currentCS<<std::endl;
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}
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else if (arguments.read(pos, "--wtk",def))
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{
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argumentRead = true;
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currentCS = def;
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std::cout<<"--wtk "<<currentCS<<std::endl;
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}
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else if (arguments.read(pos, "--identity"))
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{
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geoTransformSet = false;
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geoTransform.makeIdentity();
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}
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// x vector
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else if (arguments.read(pos, "--xx",geoTransform(0,0)))
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{
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geoTransformSet = true;
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std::cout<<"--xx "<<geoTransform(0,0)<<std::endl;
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}
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else if (arguments.read(pos, "--xy",geoTransform(1,0)))
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{
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geoTransformSet = true;
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std::cout<<"--xy "<<geoTransform(1,0)<<std::endl;
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}
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else if (arguments.read(pos, "--xz",geoTransform(2,0)))
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{
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geoTransformSet = true;
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std::cout<<"--xz "<<geoTransform(2,0)<<std::endl;
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}
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else if (arguments.read(pos, "--xt",geoTransform(3,0)))
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{
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geoTransformSet = true;
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std::cout<<"--xo "<<geoTransform(3,0)<<std::endl;
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}
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// y vector
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else if (arguments.read(pos, "--yx",geoTransform(0,1)))
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{
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geoTransformSet = true;
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std::cout<<"--yx "<<geoTransform(0,1)<<std::endl;
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}
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else if (arguments.read(pos, "--yy",geoTransform(1,1)))
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{
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geoTransformSet = true;
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std::cout<<"--yy "<<geoTransform(1,1)<<std::endl;
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}
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else if (arguments.read(pos, "--yz",geoTransform(2,1)))
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{
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geoTransformSet = true;
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std::cout<<"--yz "<<geoTransform(2,1)<<std::endl;
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}
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else if (arguments.read(pos, "--yt",geoTransform(3,1)))
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{
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geoTransformSet = true;
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std::cout<<"--yt "<<geoTransform(3,1)<<std::endl;
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}
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// z vector
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else if (arguments.read(pos, "--zx",geoTransform(0,2)))
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{
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geoTransformSet = true;
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std::cout<<"--zx "<<geoTransform(0,2)<<std::endl;
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}
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else if (arguments.read(pos, "--zy",geoTransform(1,2)))
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{
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geoTransformSet = true;
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std::cout<<"--zy "<<geoTransform(1,2)<<std::endl;
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}
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else if (arguments.read(pos, "--zz",geoTransform(2,2)))
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{
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geoTransformSet = true;
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std::cout<<"--zz "<<geoTransform(2,2)<<std::endl;
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}
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else if (arguments.read(pos, "--zt",geoTransform(3,2)))
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{
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geoTransformSet = true;
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std::cout<<"--zt "<<geoTransform(3,2)<<std::endl;
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}
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else if (arguments.read(pos, "-d",filename))
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{
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if (!filename.empty())
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{
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std::cout<<"-d "<<filename<<std::endl;
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source = new osgTerrain::DataSet::Source(osgTerrain::DataSet::Source::HEIGHT_FIELD,filename);
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}
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}
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else if (arguments.read(pos, "-t",filename))
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{
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if (!filename.empty())
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{
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std::cout<<"-t "<<filename<<std::endl;
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source = new osgTerrain::DataSet::Source(osgTerrain::DataSet::Source::IMAGE,filename);
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}
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}
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else if (arguments.read(pos, "-m",filename))
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{
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if (!filename.empty())
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{
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std::cout<<"-m "<<filename<<std::endl;
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source = new osgTerrain::DataSet::Source(osgTerrain::DataSet::Source::MODEL,filename);
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}
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}
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else if (arguments.read(pos, "-o",filename))
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{
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std::cout<<"-o "<<filename<<std::endl;
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std::string path = osgDB::getFilePath(filename);
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std::string base = path.empty()?osgDB::getStrippedName(filename):
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path +'/'+ osgDB::getStrippedName(filename);
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std::string extension = '.'+osgDB::getLowerCaseFileExtension(filename);
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dataset->setDestinationTileBaseName(base);
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dataset->setDestinationTileExtension(extension);
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if (!currentCS.empty()) dataset->setDestinationCoordinateSystem(currentCS);
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}
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else
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{
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// if no argument read advance to next argument.
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++pos;
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}
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if (source)
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{
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if (!currentCS.empty())
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{
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std::cout<<"source->setCoordySystem "<<currentCS<<std::endl;
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source->setCoordinateSystemPolicy(osgTerrain::DataSet::Source::PREFER_CONFIG_SETTINGS);
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source->setCoordinateSystem(currentCS);
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}
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if (geoTransformSet)
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{
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std::cout<<"source->setGeoTransform "<<geoTransform<<std::endl;
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source->setGeoTransformPolicy(osgTerrain::DataSet::Source::PREFER_CONFIG_SETTINGS);
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source->setGeoTransform(geoTransform);
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}
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dataset->addSource(source);
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}
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}
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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// report any errors if they have occured when parsing the program aguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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return 1;
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}
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// generate the database
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{
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GraphicsContext context;
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dataset->loadSources();
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dataset->createDestination((unsigned int)numLevels);
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dataset->writeDestination();
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}
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return 0;
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}
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