API Reference > imodeljs-backend > iModels > ExportGraphicsMeshVisitor > clientNormalIndex clientNormalIndex Method Return the normal index of vertex i within the currently loaded facet. Use the artificial paramIndex, which matches pointIndex. clientNormalIndex(i: number): number Parameter Type Description i number Returns - number Defined in core/backend/src/ExportGraphics.ts Line 403 Last Updated: 12 June, 2024