I am trying to compute a East-North-Up (ENU) rotation matrix from the XMP roll/pitch/yaw tags of a saved image. I am currently computing R = Rz(yaw) * Ry(pitch) * Rx(roll) as defined in the PATB convention (that Pix4D supposedly uses).
However, the values do not seem quite right. Would you please help me understand how to generate a ENU rotation matrix from the metadata?
Thank you very much,