FGFS-4.1/OpenSceneGraph
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Added range of visual rendering properties to readNode's creation of VolumeTile/ImageLayer.

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This commit is contained in:
Robert Osfield
2009-01-23 11:52:18 +00:00
parent b36f7e1fe7
commit 1fe0f0c0d6
1 changed files with 54 additions and 6 deletions
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60
src/osgPlugins/dicom/ReaderWriterDICOM.cpp
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@@ -118,15 +118,65 @@ class ReaderWriterDICOM : public osgDB::ReaderWriter
ReadResult result = readImage(file, options);
if (!result.validImage()) return result;
osg::ref_ptr<osgVolume::Volume> volume = new osgVolume::Volume;
osg::ref_ptr<osgVolume::VolumeTile> tile = new osgVolume::VolumeTile;
tile->setVolume(volume.get());
tile->setVolumeTechnique(new osgVolume::RayTracedTechnique());
osg::ref_ptr<osgVolume::ImageLayer> layer= new osgVolume::ImageLayer(result.getImage());
layer->rescaleToZeroToOneRange();
osgVolume::SwitchProperty* sp = new osgVolume::SwitchProperty;
sp->setActiveProperty(0);
float alphaFunc = 0.1f;
osgVolume::AlphaFuncProperty* ap = new osgVolume::AlphaFuncProperty(alphaFunc);
osgVolume::SampleDensityProperty* sd = new osgVolume::SampleDensityProperty(0.005);
osgVolume::TransparencyProperty* tp = new osgVolume::TransparencyProperty(1.0);
{
// Standard
osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
cp->addProperty(ap);
cp->addProperty(sd);
cp->addProperty(tp);
sp->addProperty(cp);
}
{
// Light
osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
cp->addProperty(ap);
cp->addProperty(sd);
cp->addProperty(tp);
cp->addProperty(new osgVolume::LightingProperty);
sp->addProperty(cp);
}
{
// Isosurface
osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
cp->addProperty(sd);
cp->addProperty(tp);
cp->addProperty(new osgVolume::IsoSurfaceProperty(alphaFunc));
sp->addProperty(cp);
}
{
// MaximumIntensityProjection
osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
cp->addProperty(ap);
cp->addProperty(sd);
cp->addProperty(tp);
cp->addProperty(new osgVolume::MaximumIntensityProjectionProperty);
sp->addProperty(cp);
}
layer->addProperty(sp);
tile->setLayer(layer.get());
// get matrix providing size of texels (in mm)
@@ -148,9 +198,7 @@ class ReaderWriterDICOM : public osgDB::ReaderWriter
osg::notify(osg::NOTICE)<<"No Locator found on osg::Image"<<std::endl;
}
volume->addChild(tile.get());
return volume.release();
return tile.release();
}