API Reference > geometry-core > Polyface > PolyfaceQuery > computePrincipalAreaMoments computePrincipalAreaMoments MethodStatic Compute area moments for the mesh. In the returned MomentData: origin is the centroid. localToWorldMap has the origin and principal directions radiiOfGyration radii for rotation around the x,y,z axes. computePrincipalAreaMoments(source: Polyface): undefined | MomentData Parameter Type Description source Polyface Returns - undefined | MomentData Defined in polyface/PolyfaceQuery.ts Line 222 Last Updated: 11 June, 2024