The 3D ACIS® Modeler (ACIS) is Spatial’s prominent 3D solid modeling engine. 3D InterOp is a CAD data translation framework (Interoperability)

From DocR19

Call the function side_of_plane in geom_utl.hxx. The sign of the returned distance defines on which side of plane a point lies.

Signature

double side_of_plane(const SPAposition     &root,
                     const SPAunit_vector  &dir,
                     const SPAposition     &point);

Header Files

#include "geom_utl.hxx"

Example

double dist = side_of_plane(plane_root, plane_normal, point);

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