Added preliminary support for writing VolumeSettings to disk from within Present3D in response to pressing and releasing 'Ctrl-S'.
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14363 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
parent
70f9bdc6e1
commit
f2d11bb46e
@ -292,11 +292,11 @@ public:
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useTabbedDragger(false),
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useTrackballDragger(false),
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region_in_pixel_coords(false),
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alphaValue("1.0"),
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cutoffValue("0.1"),
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exteriorTransparencyFactorValue(""),
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sampleDensityValue("0.005"),
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sampleRatioValue("1.0"),
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alphaValue(),
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cutoffValue(),
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exteriorTransparencyFactorValue(),
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sampleDensityValue(),
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sampleRatioValue(),
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colorSpaceOperation(osg::NO_COLOR_SPACE_OPERATION),
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colorModulate(1.0f,1.0f,1.0f,1.0f),
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technique(osgVolume::VolumeSettings::RayTraced)
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@ -40,6 +40,7 @@ class SampleDensityProperty;
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class SampleDensityWhenMovingProperty;
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class TransparencyProperty;
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class ExteriorTransparencyFactorProperty;
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class VolumeSettings;
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class OSGVOLUME_EXPORT PropertyVisitor
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{
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@ -49,24 +50,24 @@ class OSGVOLUME_EXPORT PropertyVisitor
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virtual ~PropertyVisitor() {}
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virtual void apply(Property&) {}
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virtual void apply(Property&);
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virtual void apply(CompositeProperty&);
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virtual void apply(SwitchProperty&);
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virtual void apply(TransferFunctionProperty&) {}
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virtual void apply(ScalarProperty&) {}
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virtual void apply(IsoSurfaceProperty&) {}
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virtual void apply(AlphaFuncProperty&) {}
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virtual void apply(MaximumIntensityProjectionProperty&) {}
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virtual void apply(LightingProperty&) {}
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virtual void apply(SampleRatioProperty&) {}
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virtual void apply(SampleRatioWhenMovingProperty&) {}
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virtual void apply(SampleDensityProperty&) {}
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virtual void apply(SampleDensityWhenMovingProperty&) {}
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virtual void apply(TransparencyProperty&) {}
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virtual void apply(ExteriorTransparencyFactorProperty&) {}
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virtual void apply(TransferFunctionProperty&);
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virtual void apply(ScalarProperty&);
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virtual void apply(IsoSurfaceProperty&);
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virtual void apply(AlphaFuncProperty&);
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virtual void apply(MaximumIntensityProjectionProperty&);
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virtual void apply(LightingProperty&);
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virtual void apply(SampleRatioProperty&);
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virtual void apply(SampleRatioWhenMovingProperty&);
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virtual void apply(SampleDensityProperty&);
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virtual void apply(SampleDensityWhenMovingProperty&);
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virtual void apply(TransparencyProperty&);
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virtual void apply(ExteriorTransparencyFactorProperty&);
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virtual void apply(VolumeSettings&);
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bool _traverseOnlyActiveChildren;
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};
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@ -82,6 +83,7 @@ class OSGVOLUME_EXPORT Property : public osg::Object
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META_Object(osgVolume, Property);
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virtual void accept(PropertyVisitor& pv) { pv.apply(*this); }
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virtual void traverse(PropertyVisitor& pv) {}
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protected:
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@ -101,6 +103,16 @@ class OSGVOLUME_EXPORT CompositeProperty : public Property
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virtual void accept(PropertyVisitor& pv) { pv.apply(*this); }
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virtual void traverse(PropertyVisitor& pv)
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{
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for(Properties::iterator itr = _properties.begin();
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itr != _properties.end();
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++itr)
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{
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(*itr)->accept(pv);
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}
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}
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void clear();
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typedef std::vector< osg::ref_ptr<Property> > Properties;
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@ -139,6 +151,22 @@ class OSGVOLUME_EXPORT SwitchProperty : public CompositeProperty
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virtual void accept(PropertyVisitor& pv) { pv.apply(*this); }
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virtual void traverse(PropertyVisitor& pv)
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{
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if (pv._traverseOnlyActiveChildren)
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{
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if (_activeProperty>=0 && static_cast<unsigned int>(_activeProperty)<=getNumProperties())
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{
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_properties[_activeProperty]->accept(pv);
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}
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}
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else
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{
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CompositeProperty::traverse(pv);
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}
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}
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/** Set which child property is active.
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* -1 disables all children.*/
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void setActiveProperty(int i) { _activeProperty = i; }
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@ -411,7 +439,6 @@ class OSGVOLUME_EXPORT CollectPropertiesVisitor : public osgVolume::PropertyVisi
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CollectPropertiesVisitor(bool traverseOnlyActiveChildren=true);
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virtual void apply(Property&);
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virtual void apply(TransferFunctionProperty&);
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virtual void apply(ScalarProperty&);
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virtual void apply(IsoSurfaceProperty& iso);
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@ -31,6 +31,7 @@ class OSGVOLUME_EXPORT VolumeSettings : public Property
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META_Object(osgVolume, VolumeSettings);
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virtual void accept(PropertyVisitor& pv);
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virtual void traverse(PropertyVisitor& pv);
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enum Technique
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{
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@ -1432,10 +1432,19 @@ void ReaderWriterP3DXML::parseVolume(osgPresentation::SlideShowConstructor& cons
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if (getProperty(cur, "vs", vs) || getProperty(cur, "VolumeSettings", vs))
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{
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volumeData.volumeSettings = osgDB::readFile<osgVolume::VolumeSettings>(vs);
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OSG_NOTICE<<"VolumeSetting read "<<vs<<" "<<volumeData.volumeSettings.get()<<std::endl;
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if (volumeData.volumeSettings.valid())
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{
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OSG_NOTICE<<"VolumeSetting read "<<vs<<" "<<volumeData.volumeSettings.get()<<std::endl;
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volumeData.volumeSettings->setName(vs);
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OSG_NOTICE<<" assigned name to VS "<<volumeData.volumeSettings->getName()<<std::endl;
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}
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}
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if (!volumeData.volumeSettings) volumeData.volumeSettings = new osgVolume::VolumeSettings;
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if (!volumeData.volumeSettings)
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{
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OSG_NOTICE<<"VolumeSetting fallback has been created"<<std::endl;
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volumeData.volumeSettings = new osgVolume::VolumeSettings;
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}
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// check the rendering technique/shading model to use
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std::string technique;
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@ -2510,6 +2510,82 @@ protected:
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std::string _source;
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};
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struct CollectVolumeSettingsVisitor : public osgVolume::PropertyVisitor
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{
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CollectVolumeSettingsVisitor():
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osgVolume::PropertyVisitor(false) {}
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virtual void apply(osgVolume::VolumeSettings& vs)
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{
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_vsList.push_back(&vs);
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}
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typedef std::vector< osg::ref_ptr<osgVolume::VolumeSettings> > VolumeSettingsList;
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VolumeSettingsList _vsList;
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};
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struct VolumeSettingsCallback : public osgGA::GUIEventHandler
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{
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VolumeSettingsCallback():
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_saveKey(19), // Ctril-S
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_editKey(05) // Ctrl-E
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{
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}
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int _saveKey;
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int _editKey;
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bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* object, osg::NodeVisitor* nv)
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{
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if (ea.getHandled()) return false;
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osgVolume::VolumeTile* tile = dynamic_cast<osgVolume::VolumeTile*>(object);
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if (!tile)
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{
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OSG_NOTICE<<"Warning: VolumeSettingsCallback assigned to a node other than VolumeTile, cannot operate edit/save."<<std::endl;
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return false;
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}
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if (ea.getEventType()==osgGA::GUIEventAdapter::KEYUP)
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{
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if (ea.getKey()==_saveKey)
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{
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CollectVolumeSettingsVisitor cvsv;
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tile->getLayer()->getProperty()->accept(cvsv);
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for(CollectVolumeSettingsVisitor::VolumeSettingsList::iterator itr = cvsv._vsList.begin();
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itr != cvsv._vsList.end();
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++itr)
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{
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osgVolume::VolumeSettings* vs = itr->get();
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std::string filename = vs->getName();
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if (!filename.empty())
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{
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OSG_NOTICE<<"Save VolumeSettings "<<vs<<" to filename "<<filename<<std::endl;
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osgDB::writeObjectFile(*vs, filename);
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}
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else
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{
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OSG_NOTICE<<"VolumeSettings "<<vs<<" with blank filename, saving to 'no_filename_vs.osgt'"<<std::endl;
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osgDB::writeObjectFile(*vs, "no_filename_vs.osgt");
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}
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}
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return true;
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}
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if (ea.getKey()==_editKey)
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{
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OSG_NOTICE<<"Need to edit VolumeSettings "<<std::endl;
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return true;
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}
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}
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return false;
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}
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};
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void SlideShowConstructor::setUpVolumeScalarProperty(osgVolume::VolumeTile* tile, osgVolume::ScalarProperty* property, const std::string& source)
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{
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if (!source.empty())
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@ -2726,17 +2802,33 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
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tile->setLayer(layer.get());
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osg::ref_ptr<osgVolume::CompositeProperty> groupPropetry = new osgVolume::CompositeProperty;
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osg::ref_ptr<osgVolume::SwitchProperty> sp = new osgVolume::SwitchProperty;
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sp->setActiveProperty(0);
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groupPropetry->addProperty(sp.get());
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osg::ref_ptr<osgVolume::VolumeSettings> vs = volumeData.volumeSettings;
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osg::ref_ptr<osgVolume::AlphaFuncProperty> ap = new osgVolume::AlphaFuncProperty(0.1f);
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osg::ref_ptr<osgVolume::AlphaFuncProperty> ap = vs.valid() ? vs->getCutoffProperty() : new osgVolume::AlphaFuncProperty(0.1f);
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setUpVolumeScalarProperty(tile.get(), ap.get(), volumeData.cutoffValue);
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osg::ref_ptr<osgVolume::TransparencyProperty> tp = new osgVolume::TransparencyProperty(1.0f);
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osg::ref_ptr<osgVolume::TransparencyProperty> tp = vs.valid() ? vs->getTransparencyProperty() : new osgVolume::TransparencyProperty(1.0f);
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setUpVolumeScalarProperty(tile.get(), tp.get(), volumeData.alphaValue);
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osg::ref_ptr<osgVolume::SampleRatioProperty> sr = vs.valid() ? vs->getSampleRatioProperty() : new osgVolume::SampleRatioProperty(1.0);
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setUpVolumeScalarProperty(tile.get(), sr.get(), volumeData.sampleRatioValue);
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osg::ref_ptr<osgVolume::SampleRatioWhenMovingProperty> srm = vs.valid() ? vs->getSampleRatioWhenMovingProperty() : 0;
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if (!volumeData.sampleRatioWhenMovingValue.empty())
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{
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srm = new osgVolume::SampleRatioWhenMovingProperty(0.5);
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setUpVolumeScalarProperty(tile.get(), srm.get(), volumeData.sampleRatioWhenMovingValue);
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}
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// part of hull implementation.
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osg::ref_ptr<osgVolume::ExteriorTransparencyFactorProperty> etfp;
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if (!volumeData.exteriorTransparencyFactorValue.empty())
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{
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@ -2744,6 +2836,7 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
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setUpVolumeScalarProperty(tile.get(), etfp.get(), volumeData.exteriorTransparencyFactorValue);
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}
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// deprecated, used by old RayTracedTechnique
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osg::ref_ptr<osgVolume::SampleDensityProperty> sd = new osgVolume::SampleDensityProperty(0.005);
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setUpVolumeScalarProperty(tile.get(), sd.get(), volumeData.sampleDensityValue);
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@ -2754,30 +2847,67 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
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setUpVolumeScalarProperty(tile.get(), sdm.get(), volumeData.sampleDensityWhenMovingValue);
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}
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osg::ref_ptr<osgVolume::SampleRatioProperty> sr = new osgVolume::SampleRatioProperty(1.0);
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setUpVolumeScalarProperty(tile.get(), sr.get(), volumeData.sampleRatioValue);
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osg::ref_ptr<osgVolume::SampleRatioWhenMovingProperty> srm;
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if (!volumeData.sampleRatioWhenMovingValue.empty())
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{
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srm = new osgVolume::SampleRatioWhenMovingProperty(0.5);
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setUpVolumeScalarProperty(tile.get(), srm.get(), volumeData.sampleRatioWhenMovingValue);
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}
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osg::ref_ptr<osgVolume::TransferFunctionProperty> tfp = volumeData.transferFunction.valid() ? new osgVolume::TransferFunctionProperty(volumeData.transferFunction.get()) : 0;
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if (volumeData.volumeSettings.valid())
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{
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groupPropetry->addProperty(volumeData.volumeSettings.get());
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}
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else
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{
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if (ap.valid()) groupPropetry->addProperty(ap.get());
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if (tp.valid()) groupPropetry->addProperty(tp.get());
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if (sr.valid()) groupPropetry->addProperty(sr.get());
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if (srm.valid()) groupPropetry->addProperty(srm.get());
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}
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if (sd.valid()) groupPropetry->addProperty(sd.get());
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if (sdm.valid()) groupPropetry->addProperty(sdm.get());
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if (tfp.valid()) groupPropetry->addProperty(tfp.get());
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if (etfp.valid()) groupPropetry->addProperty(etfp.get());
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#if 1
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{
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// Standard
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osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
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sp->addProperty(cp);
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}
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{
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// Light
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sp->addProperty(new osgVolume::LightingProperty);
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}
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{
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// Isosurface
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osgVolume::IsoSurfaceProperty* isp = new osgVolume::IsoSurfaceProperty(0.1);
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setUpVolumeScalarProperty(tile.get(), isp, volumeData.alphaValue);
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sp->addProperty(isp);
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}
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{
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// MaximumIntensityProjection
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sp->addProperty(new osgVolume::MaximumIntensityProjectionProperty);
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}
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switch(volumeData.shadingModel)
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{
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case(osgVolume::VolumeSettings::Standard): sp->setActiveProperty(0); break;
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case(osgVolume::VolumeSettings::Light): sp->setActiveProperty(1); break;
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case(osgVolume::VolumeSettings::Isosurface): sp->setActiveProperty(2); break;
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case(osgVolume::VolumeSettings::MaximumIntensityProjection): sp->setActiveProperty(3); break;
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}
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#else
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{
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// Standard
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osgVolume::CompositeProperty* cp = new osgVolume::CompositeProperty;
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cp->addProperty(ap.get());
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cp->addProperty(tp.get());
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if (sd.valid()) cp->addProperty(sd.get());
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if (sdm.valid()) cp->addProperty(sdm.get());
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if (sr.valid()) cp->addProperty(sr.get());
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if (srm.valid()) cp->addProperty(srm.get());
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if (tfp.valid()) cp->addProperty(tfp.get());
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if (etfp.valid()) cp->addProperty(etfp.get());
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sp->addProperty(cp);
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}
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@ -2841,9 +2971,13 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
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case(osgVolume::VolumeSettings::Isosurface): sp->setActiveProperty(2); break;
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case(osgVolume::VolumeSettings::MaximumIntensityProjection): sp->setActiveProperty(3); break;
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}
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#endif
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#if 1
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layer->addProperty(groupPropetry.get());
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#else
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layer->addProperty(sp.get());
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#endif
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switch(volumeData.technique)
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{
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case(osgVolume::VolumeSettings::FixedFunction):
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@ -2914,6 +3048,8 @@ void SlideShowConstructor::addVolume(const std::string& filename, const Position
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model = group.get();
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}
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tile->addEventCallback(new VolumeSettingsCallback());
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ModelData modelData;
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addModel(model.get(), positionData, modelData, scriptData);
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}
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@ -14,9 +14,11 @@
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#include <osgVolume/Property>
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#include <osgVolume/VolumeTile>
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#include <osgVolume/RayTracedTechnique>
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#include <osgVolume/VolumeSettings>
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using namespace osgVolume;
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Property::Property()
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{
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}
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@ -261,31 +263,22 @@ PropertyVisitor::PropertyVisitor(bool traverseOnlyActiveChildren):
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{
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}
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void PropertyVisitor::apply(CompositeProperty& cp)
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{
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for(unsigned int i=0; i<cp.getNumProperties(); ++i)
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{
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cp.getProperty(i)->accept(*this);
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}
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}
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void PropertyVisitor::apply(SwitchProperty& sp)
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{
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if (_traverseOnlyActiveChildren)
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{
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if (sp.getActiveProperty()>=0 && sp.getActiveProperty()<static_cast<int>(sp.getNumProperties()))
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{
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sp.getProperty(sp.getActiveProperty())->accept(*this);
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}
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}
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else
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{
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for(unsigned int i=0; i<sp.getNumProperties(); ++i)
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{
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sp.getProperty(i)->accept(*this);
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}
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}
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}
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void PropertyVisitor::apply(Property& p) { p.traverse(*this); }
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void PropertyVisitor::apply(CompositeProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(SwitchProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(TransferFunctionProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(ScalarProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(IsoSurfaceProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(AlphaFuncProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(MaximumIntensityProjectionProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(LightingProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(SampleRatioProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(SampleRatioWhenMovingProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(SampleDensityProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(SampleDensityWhenMovingProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(TransparencyProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(ExteriorTransparencyFactorProperty& p) { apply(static_cast<Property&>(p)); }
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void PropertyVisitor::apply(VolumeSettings& p) { apply(static_cast<Property&>(p)); }
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/////////////////////////////////////////////////////////////////////////////
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@ -297,7 +290,6 @@ CollectPropertiesVisitor::CollectPropertiesVisitor(bool traverseOnlyActiveChildr
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||||
{
|
||||
}
|
||||
|
||||
void CollectPropertiesVisitor::apply(Property&) {}
|
||||
void CollectPropertiesVisitor::apply(TransferFunctionProperty& tf) { _tfProperty = &tf; }
|
||||
void CollectPropertiesVisitor::apply(ScalarProperty&) {}
|
||||
void CollectPropertiesVisitor::apply(IsoSurfaceProperty& iso) { _isoProperty = &iso; }
|
||||
@ -311,7 +303,6 @@ void CollectPropertiesVisitor::apply(SampleRatioWhenMovingProperty& srp) { _samp
|
||||
void CollectPropertiesVisitor::apply(TransparencyProperty& tp) { _transparencyProperty = &tp; }
|
||||
void CollectPropertiesVisitor::apply(ExteriorTransparencyFactorProperty& etfp) { _exteriorTransparencyFactorProperty = &etfp; }
|
||||
|
||||
|
||||
class CycleSwitchVisitor : public osgVolume::PropertyVisitor
|
||||
{
|
||||
public:
|
||||
|
||||
@ -37,6 +37,11 @@ VolumeSettings::VolumeSettings(const VolumeSettings& vs,const osg::CopyOp& copyo
|
||||
}
|
||||
|
||||
void VolumeSettings::accept(PropertyVisitor& pv)
|
||||
{
|
||||
pv.apply(*this);
|
||||
}
|
||||
|
||||
void VolumeSettings::traverse(PropertyVisitor& pv)
|
||||
{
|
||||
_sampleRatioProperty->accept(pv);
|
||||
_sampleRatioWhenMovingProperty->accept(pv);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user