FGFS-4.1/OpenSceneGraph
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Moved include/osgTerrain/DataSet/.cpp, gdal plugin and osgdem out into the VirtualPlaneBuilder project.

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Updated examples to remove DataSet/GDAL dependency.

Updated wrappers
This commit is contained in:
Robert Osfield
2007-02-27 21:12:48 +00:00
parent 69e52e6d61
commit b00cbe5a17
28 changed files with 56 additions and 10545 deletions
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104
examples/osgsimulation/osgsimulation.cpp
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@@ -31,7 +31,7 @@
#include <osgText/Text>
#include <osgTerrain/DataSet>
#include <osg/CoordinateSystemNode>
#include <osgSim/OverlayNode>
#include <osgSim/SphereSegment>
@@ -40,95 +40,25 @@
#include <iostream>
class MyGraphicsContext {
public:
MyGraphicsContext()
{
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = 1;
traits->height = 1;
traits->windowDecoration = false;
traits->doubleBuffer = false;
traits->sharedContext = 0;
traits->pbuffer = true;
_gc = osg::GraphicsContext::createGraphicsContext(traits.get());
if (!_gc)
{
osg::notify(osg::NOTICE)<<"Failed to create pbuffer, failing back to normal graphics window."<<std::endl;
traits->pbuffer = false;
_gc = osg::GraphicsContext::createGraphicsContext(traits.get());
}
if (_gc.valid())
{
_gc->realize();
_gc->makeCurrent();
std::cout<<"Realized window"<<std::endl;
}
}
bool valid() const { return _gc.valid() && _gc->isRealized(); }
private:
osg::ref_ptr<osg::GraphicsContext> _gc;
};
osg::Node* createEarth()
{
osg::ref_ptr<osg::Node> scene;
osg::TessellationHints* hints = new osg::TessellationHints;
hints->setDetailRatio(5.0f);
{
std::string filename = osgDB::findDataFile("Images/land_shallow_topo_2048.jpg");
// make osgTerrain::DataSet quieter..
osgTerrain::DataSet::setNotifyOffset(1);
osg::ref_ptr<osgTerrain::DataSet> dataSet = new osgTerrain::DataSet;
// register the source imagery
{
osgTerrain::DataSet::Source* source = new osgTerrain::DataSet::Source(osgTerrain::DataSet::Source::IMAGE, filename);
source->setCoordinateSystemPolicy(osgTerrain::DataSet::Source::PREFER_CONFIG_SETTINGS);
source->setCoordinateSystem(osgTerrain::DataSet::coordinateSystemStringToWTK("WGS84"));
source->setGeoTransformPolicy(osgTerrain::DataSet::Source::PREFER_CONFIG_SETTINGS_BUT_SCALE_BY_FILE_RESOLUTION);
source->setGeoTransformFromRange(-180.0, 180.0, -90.0, 90.0);
dataSet->addSource(source);
}
// set up destination database paramters.
dataSet->setDatabaseType(osgTerrain::DataSet::LOD_DATABASE);
dataSet->setConvertFromGeographicToGeocentric(true);
dataSet->setDestinationName("test.osg");
// load the source data and record sizes.
dataSet->loadSources();
MyGraphicsContext context;
dataSet->createDestination(30);
if (dataSet->getDatabaseType()==osgTerrain::DataSet::LOD_DATABASE) dataSet->buildDestination();
else dataSet->writeDestination();
scene = dataSet->getDestinationRootNode();
// now we must get rid of all the old OpenGL objects before we start using the scene graph again
// otherwise it'll end up in an inconsistent state.
scene->releaseGLObjects(dataSet->getState());
osg::Texture::flushAllDeletedTextureObjects(0);
osg::Drawable::flushAllDeletedDisplayLists(0);
}
return scene.release();
osg::ShapeDrawable* sd = new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0,0.0,0.0), osg::WGS_84_RADIUS_POLAR), hints);
osg::Geode* geode = new osg::Geode;
geode->addDrawable(sd);
std::string filename = osgDB::findDataFile("Images/land_shallow_topo_2048.jpg");
geode->getOrCreateStateSet()->setTextureAttributeAndModes(0, new osg::Texture2D(osgDB::readImageFile(filename)));
osg::CoordinateSystemNode* csn = new osg::CoordinateSystemNode;
csn->setEllipsoidModel(new osg::EllipsoidModel());
csn->addChild(geode);
return csn;
}