MADIconnect: transparency fix

Daniel Wickeroth · Daniel Wickeroth · commit 6d92744e3aac · 2025-10-23T16:13:52.000+02:00
diff --git a/src/OpenCOVER/plugins/ukoeln/MADIconnect/MADIconnect.cpp b/src/OpenCOVER/plugins/ukoeln/MADIconnect/MADIconnect.cpp
@@ -616,7 +616,14 @@ void MADIconnect::handleMessage(Message *m)
                     if (geode)
                     {
                         std::cout << "MADIconnect:: Found geode for neuron: " << neuronName << std::endl;
-                        VRSceneGraph::instance()->setColor(geode, rgb, 1.0f);
+                        VRSceneGraph::instance()->setColor(geode, rgb, alpha);
+                        if (alpha < 0.999f)
+                        {
+                            cout << "MADIconnect:: Setting transparency." << endl;
+                            osg::StateSet* ss = geode->getOrCreateStateSet();
+                            ss->setMode(GL_BLEND, osg::StateAttribute::ON);
+                            ss->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
+                        }
                     }
                     else
                     {

Original file line number	Diff line number	Diff line change
`@@ -616,7 +616,14 @@ void MADIconnect::handleMessage(Message *m)`
`616`	`616`	`if (geode)`
`617`	`617`	`{`
`618`	`618`	`std::cout << "MADIconnect:: Found geode for neuron: " << neuronName << std::endl;`
`619`		`- VRSceneGraph::instance()->setColor(geode, rgb, 1.0f);`
	`619`	`+ VRSceneGraph::instance()->setColor(geode, rgb, alpha);`
	`620`	`+ if (alpha < 0.999f)`
	`621`	`+ {`
	`622`	`+ cout << "MADIconnect:: Setting transparency." << endl;`
	`623`	`+ osg::StateSet* ss = geode->getOrCreateStateSet();`
	`624`	`+ ss->setMode(GL_BLEND, osg::StateAttribute::ON);`
	`625`	`+ ss->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);`
	`626`	`+ }`
`620`	`627`	`}`
`621`	`628`	`else`
`622`	`629`	`{`