API Reference › core-geometry› Numerics › MomentData › InertiaProductsToPrincipalAxes

inertiaProductsToPrincipalAxes MethodStatic

Compute principal axes from inertial products.

  • The radii of gyration are sorted smallest to largest.
  • Hence x axis is long direction.
  • Hence planar data generates large moment as Z.

inertiaProductsToPrincipalAxes(origin: XYZ, inertiaProducts: Matrix4d): undefined | MomentData

Parameter Type Description
origin XYZ The origin used for the inertia products.
inertiaProducts Matrix4d The inertia products: sums or integrals of [xx,xy,xz,xw; yx,yy, yz,yw; zx,zy,zz,zw; wx,wy,wz,w].

Returns - undefined | MomentData

Defined in

Last Updated: 18 January, 2025