Hi, I have tried the following variations but can't get accurate values, any ideas?
T = chunk.transform.matrix
scale = chunk.transform.scale
pt = chunk.point_cloud.points[0]
crs = chunk.crs
distance = (T.mulv(cam.center - pt.coord[:3]) * scale).norm()
distance = (crs.project(T.mulp(cam.center)) - crs.project(T.mulp(pt.coord[:3]))).norm()
Thank you!