my first thought
Go to the surfaces that will be used as base and compare, go to the surface properties
and then go to the Definition Page, and limit the elevation range there
using exclude elevations greater than
and
exclude elevations less than functions
then build your volume surface
Thank you, Michael - That is what I've done, and was hoping that someone would either confirm/deny this being the correct method.
In some searching/reading, it appears that older versions of C3D would allow user to modify these properties from within the Volume Surface, which is no longer possible.
While modifying the original surfaces does yield the result here, I should think it less work/smaller file size to instead allow such property changes to volume surfaces, as in order to compare a full to partial, you now need two base surfaces, and two comparison surfaces, in addition to two volume surfaces (where one each of the two former are limited by less/greater, etc.). :ugly:
