parentFacetIndex Method

Return the client polyface facet index (aka "readIndex") for the given subset index.

parentFacetIndex(subsetIndex?: number): undefined | number

@returns valid client polyface facet index, or undefined if invalid subset index.

Parameter Type Description
subsetIndex number index into the subset array. Default is the subset index of the currently visited facet.

Returns - undefined | number

valid client polyface facet index, or undefined if invalid subset index.

Defined in

Last Updated: 07 June, 2025