GalSim-developers / GalSim-developers/JAX-GalSim

FFT of images with varying xmin,ymin

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enhancement
Dominant language
Python
Stars
34
Forks
10
Avg merge
2d 4h
Merged PRs (30d)
3

Description

Right now we cannot compute FFTs of images with varying lower bounds. See the TODO item in the image.py file.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the TODO in image.py and trace the existing FFT path for images with the current lower-bound assumptions. Confirm the change by checking that FFT computation also works when xmin and ymin vary, using any relevant existing image or FFT tests you find nearby.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
computer-graphics
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
65/100

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