API Reference > geometry-core > CartesianGeometry > Matrix3d > setFromJSON setFromJSON Method copy data from various input forms to this matrix. The source can be: 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?: Matrix3d | Matrix3dProps): void Parameter Type Description json Matrix3d | Matrix3dProps Returns - void Defined in geometry3d/Matrix3d.ts Line 256 Last Updated: 11 June, 2024