API Reference > geometry-core > CartesianGeometry > Matrix3d > setFromJSON setFromJSON Method copy data from various input forms to this matrix: Another Matrix3d An array of 3 arrays, each of which has the 3 numbers for a row of the matrix. An array of 9 numbers in row major order. setFromJSON(json?: Matrix3dProps): void Parameter Type Description json Matrix3dProps Returns - void Defined in core/geometry/src/geometry3d/Matrix3d.ts Line 233 Last Updated: 13 June, 2024