position_to_pix_index wrong behaviour for x,y outside camera

[moralejo]

ctapipe/src/ctapipe/instrument/camera/geometry.py

Line 941 in 2bf1942

def position_to_pix_index(self, x, y):

from ctapipe.instrument import CameraGeometry
import astropy.units as u
import numpy as np
geom = CameraGeometry.from_name("LSTCam")
geom.position_to_pix_index(1*u.m, 1*u.m)

array(-9223372036854775808)

[maxnoe]

This is the intended behavior.

The returned value is int64.min to have a clear invalid value marker for an index.

Wasn't it you who proposed this?

[maxnoe]

#1828 (comment)

[maxnoe]

Intended, but not properly documented