Tin VolumeSurface Get Property Functions
These functions query a Tin VolumeSurface entity for its properties :
tinvs:getbasesurface
tinvs:getboundingentity
tinvs:getboundingpolygon
tinvs:getcomparisonsurface
tinvs:getcutvolume
tinvs:getfillvolume
tinvs:getdepthorelevation
tinvs:isvolumesurface
tinvs:volumesurfacetype