Arguments

tinEname  (ename or vla-object)  the TinSurface entity
points  (list of 2d/3d point list)  the point to be projected onto the TinSurface, as polygon sequence(s)

Return

(list of points lists)  each list is a closed polygon contour, or NIL

Example

(tin:drape tin '((20 20) (30 30) (20 40)))
(((20.0 40.0 5.52380952380952) (21.25 38.75 5.75) (27.5 32.5 6.66666666666667) (30.0 30.0 6.8) (25.0 25.0 6.0) (20.0 20.0 4.66666666666667)))
this list contains 1 polygon

Remarks

the returned list can contain more than 1 polygon points list;
see (tin:drapebyentity) function