diff options
Diffstat (limited to 'utils/raspberrypi/ctt')
| -rw-r--r-- | utils/raspberrypi/ctt/ctt_alsc.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/utils/raspberrypi/ctt/ctt_alsc.py b/utils/raspberrypi/ctt/ctt_alsc.py index 1d94dfa5..f4fd09e3 100644 --- a/utils/raspberrypi/ctt/ctt_alsc.py +++ b/utils/raspberrypi/ctt/ctt_alsc.py @@ -127,11 +127,12 @@ def alsc(Cam, Img, do_alsc_colour, plot=False, grid_size=(16, 12), max_gain=8.0) channels = [Img.channels[i] for i in Img.order] """ calculate size of single rectangle. - -(-(w-1)//32) is a ceiling division. w-1 is to deal robustly with the case - where w is a multiple of 32. + The divisions here must ensure the final row/column of cells has a non-zero number of + pixels. """ w, h = Img.w/2, Img.h/2 - dx, dy = int(-(-(w-1)//grid_w)), int(-(-(h-1)//grid_h)) + dx, dy = (w - 1) // (grid_w - 1), (h - 1) // (grid_h - 1) + """ average the green channels into one """ |