FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Cleaned up osgkdtree example

Browse Source
This commit is contained in:
Robert Osfield
2008-07-12 11:19:25 +00:00
parent de33a031d4
commit ccb50019e4
6 changed files with 5 additions and 1538 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
examples/osgkdtree/osgkdtree.cpp
View File

@@ -39,11 +39,10 @@
#include <osgViewer/Viewer>
#include "fixeddivision.h"
#include "variabledivision.h"
#include <osg/KdTree>
#include <iostream>
int main(int argc, char **argv)
{
// use an ArgumentParser object to manage the program arguments.
@@ -51,12 +50,9 @@ int main(int argc, char **argv)
int maxNumLevels = 16;
int targetNumIndicesPerLeaf = 16;
bool processTriangles = true;
while (arguments.read("--max", maxNumLevels)) {}
while (arguments.read("--leaf", targetNumIndicesPerLeaf)) {}
while (arguments.read("--points")) processTriangles = false;
while (arguments.read("--triangles")) processTriangles = true;
osgDB::Registry::instance()->setBuildKdTreesHint(osgDB::ReaderWriter::Options::BUILD_KDTREES);
@@ -68,56 +64,7 @@ int main(int argc, char **argv)
return 0;
}
osgUtil::UpdateVisitor updateVisitor;
updateVisitor.setFrameStamp(new osg::FrameStamp);
scene->accept(updateVisitor);
scene->getBound();
if (arguments.read("--fd"))
{
fixeddivision::KDTreeBuilder builder;
builder._maxNumLevels = maxNumLevels;
builder._targetNumIndicesPerLeaf = targetNumIndicesPerLeaf;
builder._processTriangles = processTriangles;
osg::Timer_t start = osg::Timer::instance()->tick();
scene->accept(builder);
osg::Timer_t end = osg::Timer::instance()->tick();
double time = osg::Timer::instance()->delta_s(start,end);
osg::notify(osg::NOTICE)<<"Time to build "<<time*1000.0<<"ms "<<builder._numVerticesProcessed<<std::endl;
osg::notify(osg::NOTICE)<<"build speed "<<(double(builder._numVerticesProcessed)/time)/1000000.0<<"M vertices per second"<<std::endl;
}
else if (arguments.read("--vd"))
{
variabledivision::KDTreeBuilder builder;
builder._maxNumLevels = maxNumLevels;
builder._targetNumTrianglesPerLeaf = targetNumIndicesPerLeaf;
builder._processTriangles = processTriangles;
osg::Timer_t start = osg::Timer::instance()->tick();
scene->accept(builder);
osg::Timer_t end = osg::Timer::instance()->tick();
double time = osg::Timer::instance()->delta_s(start,end);
osg::notify(osg::NOTICE)<<"Time to build "<<time*1000.0<<"ms "<<builder._numVerticesProcessed<<std::endl;
osg::notify(osg::NOTICE)<<"build speed "<<(double(builder._numVerticesProcessed)/time)/1000000.0<<"M vertices per second"<<std::endl;
}
else
{
osgViewer::Viewer viewer;
viewer.setSceneData(scene.get());
return viewer.run();
}
return 0;
osgViewer::Viewer viewer;
viewer.setSceneData(scene.get());
return viewer.run();
}