API Reference › core-geometry› Polyface › SweepLineStringToFacetsOptions › CollectFromThisFacetNormal

collectFromThisFacetNormal Method

Decide if the instance collector flags accept a facet with the given normal.

  • A facet whose facet normal has a positive, zero, or negative dot product with vectorToEye is classified as forward, side, or rear, respectively.
  • undefined facet normal returns false.

collectFromThisFacetNormal(facetNormal: Vector3d): boolean

Parameter Type Description
facetNormal Vector3d  

Returns - boolean

Defined in

Last Updated: 24 October, 2025