I have Phobos images initialized with spice using a DSK shape model. I have an old IsisPreferences files and did not include the ShapeModel group and the RayTraceEngine. I’m not clear what happens by default.
I have added the ShapeModel group to my preference file and have left things commented out, but if I want to use Bullet (or Embree), do I need to reprocess my data or will ISIS simply use the specified ray trace engine in the preference file when I un-comment that section? Is there any way to know what it is using?
Is there documentation anywhere in regard to use of a DSK shape model in ISIS? I couldn’t find anything other than what has been documented by others outside of Astro (Bennu), which was useful, but not at the level of invoking it.
Thanks!