FGFS-4.1/OpenSceneGraph
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added use of GLSL filters

Browse Source
This commit is contained in:
Robert Osfield
2007-06-18 12:10:46 +00:00
parent c8c1e1107e
commit d4309ce69a
3 changed files with 139 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
examples/osgterrain/osgterrain.cpp
View File

@@ -42,13 +42,69 @@
#include <osgGA/AnimationPathManipulator>
#include <osgGA/TerrainManipulator>
#include <osgTerrain/TerrainNode>
#include <osgTerrain/GeometryTechnique>
#include <osgTerrain/Layer>
#include <iostream>
class OSGVIEWER_EXPORT FilterHandler : public osgGA::GUIEventHandler
{
public:
FilterHandler(osgTerrain::GeometryTechnique* gt):
_gt(gt) {}
bool handle(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa)
{
if (!_gt) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey() == 'g')
{
osg::notify(osg::NOTICE)<<"Gaussian"<<std::endl;
_gt->setFilterMatrixAs(osgTerrain::GeometryTechnique::GAUSSIAN);
return true;
}
else if (ea.getKey() == 's')
{
osg::notify(osg::NOTICE)<<"Smooth"<<std::endl;
_gt->setFilterMatrixAs(osgTerrain::GeometryTechnique::SMOOTH);
return true;
}
else if (ea.getKey() == 'S')
{
osg::notify(osg::NOTICE)<<"Sharpen"<<std::endl;
_gt->setFilterMatrixAs(osgTerrain::GeometryTechnique::SHARPEN);
return true;
}
else if (ea.getKey() == '+')
{
_gt->setFilterWidth(_gt->getFilterWidth()*1.1);
return true;
}
else if (ea.getKey() == '-')
{
_gt->setFilterWidth(_gt->getFilterWidth()/1.1);
return true;
}
break;
}
default:
break;
}
return false;
}
protected:
osg::observer_ptr<osgTerrain::GeometryTechnique> _gt;
};
@@ -57,7 +113,7 @@ int main(int argc, char** argv)
osg::ArgumentParser arguments(&argc, argv);
// construct the viewer.
osgViewer::Viewer viewer;
osgViewer::Viewer viewer(arguments);
// set up the camera manipulators.
{
@@ -92,6 +148,10 @@ int main(int argc, char** argv)
// add the stats handler
viewer.addEventHandler(new osgViewer::StatsHandler);
// add the record camera path handler
viewer.addEventHandler(new osgViewer::RecordCameraPathHandler);
double x = 0.0;
double y = 0.0;
double w = 1.0;
@@ -254,7 +314,7 @@ int main(int argc, char** argv)
osg::notify(osg::NOTICE)<<"--filter "<<filterName<<std::endl;
terrain->setColorFilter(layerNum, osgTerrain::TerrainNode::NEAREST);
}
else if (filterName=="LINEAER")
else if (filterName=="LINEAR")
{
osg::notify(osg::NOTICE)<<"--filter "<<filterName<<std::endl;
terrain->setColorFilter(layerNum, osgTerrain::TerrainNode::LINEAR);
@@ -298,6 +358,8 @@ int main(int argc, char** argv)
terrain->setTerrainTechnique(geometryTechnique.get());
viewer.addEventHandler(new FilterHandler(geometryTechnique.get()));
if (!terrain) return 0;
// return 0;