API Reference > geometry-core > CartesianGeometry > Transform > multiplyTransformTransform multiplyTransformTransform Method multiply this Transform times other Transform. ‘this‘ transform with matrix part A and translation a[Aa01]‘other‘ transform with matrix part B and translation part b promoted to block transform[Bb01]product[Aa01][Bb01]=[ABAb+a01]\begin{matrix} \text{`this` transform with matrix part }\bold{A}\text{ and translation }\bold{a} & \blockTransform{A}{a}\\ \text{`other` transform with matrix part }\bold{B}\text{ and translation part }\bold{b}\text{ promoted to block transform} & \blockTransform{B}{b} \\ \text{product}& \blockTransform{A}{a}\blockTransform{B}{b}=\blockTransform{AB}{Ab + a} \end{matrix}‘this‘ transform with matrix part A and translation a‘other‘ transform with matrix part B and translation part b promoted to block transformproduct[A0a1][B0b1][A0a1][B0b1]=[AB0Ab+a1] multiplyTransformTransform(other: Transform, result?: Transform): Transform Parameter Type Description other Transform right hand transform for multiplication. result Transform optional preallocated result to reuse. Returns - Transform Defined in geometry3d/Transform.ts Line 548 Last Updated: 12 June, 2024