FGFS-4.1/OpenSceneGraph
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Added tri sripping and support for outputing files.

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This commit is contained in:
Robert Osfield 2005-06-30 09:08:31 +00:00
parent 7f1e571918
commit 64cfa2773d
1 changed files with 31 additions and 3 deletions
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34
examples/osgsimplifier/osgsimplifier.cpp
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@ -10,8 +10,11 @@
*/ */
#include <osgDB/ReadFile> #include <osgDB/ReadFile>
#include <osgDB/WriteFile>
#include <osgUtil/Optimizer> #include <osgUtil/Optimizer>
#include <osgUtil/Simplifier> #include <osgUtil/Simplifier>
#include <osgUtil/TriStripVisitor>
#include <osgUtil/Optimizer>
#include <osgProducer/Viewer> #include <osgProducer/Viewer>
int main( int argc, char **argv ) int main( int argc, char **argv )
@ -47,6 +50,8 @@ int main( int argc, char **argv )
arguments.getApplicationUsage()->write(std::cout); arguments.getApplicationUsage()->write(std::cout);
return 1; return 1;
} }
std::string outputFileName;
while (arguments.read("-o",outputFileName)) {}
// report any errors if they have occured when parsing the program aguments. // report any errors if they have occured when parsing the program aguments.
if (arguments.errors()) if (arguments.errors())
@ -82,14 +87,37 @@ int main( int argc, char **argv )
arguments.writeErrorMessages(std::cout); arguments.writeErrorMessages(std::cout);
} }
osg::Timer_t end_tick = osg::Timer::instance()->tick(); osg::Timer_t end_load_tick = osg::Timer::instance()->tick();
std::cout << "Time to load = "<<osg::Timer::instance()->delta_s(start_tick,end_tick)<<std::endl; std::cout << "Time to load = "<<osg::Timer::instance()->delta_s(start_tick,end_load_tick)<<std::endl;
osgUtil::Simplifier simplifier(sampleRatio); osgUtil::Simplifier simplifier(sampleRatio);
loadedModel->accept(simplifier); loadedModel->accept(simplifier);
osg::Timer_t end_simplifier_tick = osg::Timer::instance()->tick();
std::cout << "Time to simplify = "<<osg::Timer::instance()->delta_s(end_load_tick, end_simplifier_tick)<<std::endl;
osgUtil::TriStripVisitor tsv;
tsv.setMinStripSize(3);
loadedModel->accept(tsv);
tsv.stripify();
osg::Timer_t end_tristrip_tick = osg::Timer::instance()->tick();
std::cout << "Time to tri strip = "<<osg::Timer::instance()->delta_s(end_simplifier_tick, end_tristrip_tick)<<std::endl;
// run optimization over the scene graph
osgUtil::Optimizer optimzer;
optimzer.optimize(loadedModel.get());
if (!outputFileName.empty())
{
std::cout << "Writing out scene graph as '" << outputFileName << "'"<<std::endl;
osgDB::writeNodeFile(*loadedModel,outputFileName);
return 0;
}
// set the scene to render // set the scene to render
viewer.setSceneData(loadedModel.get()); viewer.setSceneData(loadedModel.get());