I’d like to move InstanceObject by Using Transform matrix from Original Block.
Using RhinoCommon / Rhino8
My code below does not work. What am I missing ?
(matrix is only move and rotate and their combination so that Inverse matrix can be computed)
var obj = doc.Objects.Find(id);
if (obj is InstanceObject inst)
{
Transform oldXform = inst.InstanceXform;
if (oldXform.TryGetInverse(out Transform invXfom))
{
var tf= newXform * invXfom;
inst.Geometry.Transform(tf);
obj.CommitChanges();
}
}