camera-calibration-pvr.py 文件源码

def get_vertical_mode_matrix(is_vertical, camera_rotation):
    if is_vertical:
    # Get the up direction of the camera
        up_vec = mathutils.Vector((0.0, 1.0, 0.0))
        up_vec.rotate(camera_rotation)
        # Decide around which axis to rotate
        vert_mode_rotate_x = abs(up_vec[0]) < abs(up_vec[1])
        # Create rotation matrix
        if vert_mode_rotate_x:
            vert_angle = pi / 2 if up_vec[1] > 0 else -pi / 2
            return mathutils.Matrix().Rotation(vert_angle, 3, "X")
        else:
            vert_angle = pi / 2 if up_vec[0] < 0 else -pi / 2
            return mathutils.Matrix().Rotation(vert_angle, 3, "Y")
    else:
        return mathutils.Matrix().Identity(3)