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

Added prelimnary KdTree data structure and automatic kdtree build support

Browse Source 
into osgDB::Registry/osgTerrain so that newly created subgraphs can have 
KdTree built on all osg::Geometry automatically on load/creation.
This commit is contained in:
Robert Osfield
2008-07-04 15:57:48 +00:00
parent bc1032653c
commit 44d144997e
8 changed files with 315 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
examples/osgkdtree/osgkdtree.cpp
View File

@@ -37,9 +37,12 @@
#include <osgSim/HeightAboveTerrain>
#include <osgSim/ElevationSlice>
#include <osgViewer/Viewer>
#include "fixeddivision.h"
#include "variabledivision.h"
#include <osg/KdTree>
int main(int argc, char **argv)
{
@@ -55,6 +58,8 @@ int main(int argc, char **argv)
while (arguments.read("--points")) processTriangles = false;
while (arguments.read("--triangles")) processTriangles = true;
osgDB::Registry::instance()->setBuildKdTreesHint(osgDB::ReaderWriter::Options::BUILD_KDTREES);
osg::ref_ptr<osg::Node> scene = osgDB::readNodeFiles(arguments);
if (!scene)
@@ -88,7 +93,7 @@ int main(int argc, char **argv)
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
else if (arguments.read("--vd"))
{
variabledivision::KDTreeBuilder builder;
@@ -107,6 +112,12 @@ int main(int argc, char **argv)
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;
}