Save derived DTI heatmap

Hello, I have a question.

I was able to save my DTI 3D model as object (by saving it as vtk, obj, stl). In addition to the object file, I also want to save the heatmap. Specifically, I want to as the model and its corresponding heatmap (or colormap) so that I can open it using another program different from Slicer.

Does anyone know how to do that? Thank you!

(@ssyip I created a new topic)

You can assign a scalar to the model in the Tractography Display module:

Then use the export module discussed below, from the SlicerDMRI extension – it will preserve the assigned colors upon export:

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