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Simplified the osgdepthpartion example to use the osgView::View::setUpDepthPartition(..) feature

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This commit is contained in:
Robert Osfield
2011-06-08 09:24:29 +00:00
parent 9aa7010ded
commit ccfac57f20
6 changed files with 28 additions and 910 deletions
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39
examples/osgdepthpartition/osgdepthpartition.cpp
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@@ -24,10 +24,10 @@
#include <osg/PositionAttitudeTransform>
#include <osgGA/TrackballManipulator>
#include <osgGA/StateSetManipulator>
#include <osgViewer/Viewer>
#include "DepthPartitionNode.h"
#include <osgViewer/ViewerEventHandlers>
const double r_earth = 6378.137;
const double r_sun = 695990.0;
@@ -132,6 +132,12 @@ int main( int argc, char **argv )
// construct the viewer.
osgViewer::Viewer viewer;
// add the state manipulator
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
// add stats
viewer.addEventHandler( new osgViewer::StatsHandler() );
bool needToSetHomePosition = false;
// read the scene from the list of file specified commandline args.
@@ -143,24 +149,33 @@ int main( int argc, char **argv )
scene = createScene();
needToSetHomePosition = true;
}
// Create a DepthPartitionNode to manage partitioning of the scene
osg::ref_ptr<DepthPartitionNode> dpn = new DepthPartitionNode;
dpn->addChild(scene.get());
dpn->setActive(true); // Control whether the node analyzes the scene
// pass the loaded scene graph to the viewer.
viewer.setSceneData(dpn.get());
viewer.setSceneData(scene.get());
viewer.setCameraManipulator(new osgGA::TrackballManipulator);
if (needToSetHomePosition)
{
viewer.getCameraManipulator()->setHomePosition(osg::Vec3d(0.0,-5.0*r_earth,0.0),osg::Vec3d(0.0,0.0,0.0),osg::Vec3d(0.0,0.0,1.0));
viewer.getCameraManipulator()->setHomePosition(osg::Vec3d(0.0,-5.0*r_earth,0.0),osg::Vec3d(0.0,0.0,0.0),osg::Vec3d(0.0,0.0,1.0));
}
double zNear=1.0, zMid=10.0, zFar=1000.0;
if (arguments.read("--depth-partition",zNear, zMid, zFar))
{
// set up depth partitioning
osg::ref_ptr<osgViewer::DepthPartitionSettings> dps = new osgViewer::DepthPartitionSettings;
dps->_mode = osgViewer::DepthPartitionSettings::FIXED_RANGE;
dps->_zNear = zNear;
dps->_zMid = zMid;
dps->_zFar = zFar;
viewer.setUpDepthPartition(dps.get());
}
else
{
// set up depth partitioning with default settings
viewer.setUpDepthPartition();
}
// depth partion node is only supports single window/single threaded at present.
viewer.setThreadingModel(osgViewer::Viewer::SingleThreaded);
return viewer.run();
}