Halostack Align module

Module for coaligning images

class halostack.align.Align(img, cor_th=70.0, mode='simple', nprocs=1)

Bases: object

Class to coalign images

Parameters:
  • img (halostack.image) – reference image
  • ref_loc (3-tuple or None) – reference location
  • srch_area (3-tuple or None) – reference search area
  • cor_th – correlation threshold
  • mode (str) – alignment method
  • nprocs (int) – number or parallel processes used for finding best fit

Available alignment methods are:

'simple'
align(img)

Align the given image with the reference image.

Parameters:img (halostack.image.Image) – image to align with the reference
set_reference(area)

Set the reference area area.

Parameters:area (list or tuple) – 3-tuple of the form (x, y, radius)
set_search_area(area)

Set the reference search area area.

Parameters:area (list or tuple) – 3-tuple of the form (x, y, radius)