|Message: Manipulate Single Voxel (Touchable) to have different color||Not Logged In (login)|
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is there any way to change a voxel's color in the G4Parameterized geometry AFTER drawing/constructing it? I want to be able to visualize different regions in the phantom (e.g. mark an organ at risk). There should not be any effect on the geometry itself, I am just trying to affect visualization. I am using the 4.9.6p01 build and the OGL viewer.
What I already tried is navigating to a voxel touchable, asking for the logical volume and setting the VisAttributes. This does not work, changes have no effect on the drawn geometry. I assume the reason for this is the "ComputeMaterial" function, which - as far as I read (?) - is called during visualisation and therefore updating the color to the original material one.
As only visualization change is needed, I assume there should be a way to manipulate the scene. The OGL interface view also has a "scene tree", in which all the phantom voxels are clickable and color-manipulable. Therefore it "should" be doable programmatically.
However, if anybody has an idea (maybe even another approach) to visualize 3D regions in the geometry without affecting geometry itself, I would highly appreciate sharing it with me.
Thanks in advance!
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