After importing a 3D image of STL format, my possibilities in regard to "3D Volumetric Image Processing" seems rather limited. All examples are given with TIFF files. Is there a way to convert from STL to TIFF or work with STL image in some other way?
Here is something quick and dirty to convert from a Graphics3D to Image3D (the second argument is sort of a quality knob, the higher the number the more slices are taken):
on an example image