"""Print world points of picture pixels on chosen planes (blender -b --factory-startup --python probe.py -- spec...)
spec: u,v,plane,value   plane x|y|z, e.g. 780,765,z,0.314"""
import sys, os
HERE = os.path.dirname(os.path.abspath(__file__))
exec(open(os.path.join(HERE, "rc_lib.py")).read())
args = sys.argv[sys.argv.index("--") + 1:]
for a in args:
    u, v, pl, val = a.split(",")
    u, v, val = float(u), float(v), float(val)
    p = {"x": CAM.on_x, "y": CAM.on_y, "z": CAM.on_z}[pl](u, v, val)
    print("PROBE %s -> (%.3f, %.3f, %.3f)" % (a, p.x, p.y, p.z))