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[bug-gnuastro] Error: interpolate_close_neighbors_on_thread

Subject: [bug-gnuastro] Error: interpolate_close_neighbors_on_thread
Date: Thu, 19 Oct 2017 18:32:01 +0100

Hi, my name is Alejandro Serrano Borlaff, and I am doing my PhD at the Instituto de Astrofisica de Canarias under the supervision of Prof. John Beckman.

First of all, thank you for your work with gnuastro. I find it a wonderful set of tools for our job. Nevertheless I am having some trouble with astnoisechisel. Some of my images raise an error when trying to analyse them with astnoischisel. I attach one fits which is a working example:

> astnoisechisel --hdu 0 ib5x2byrq_00i_single_ext.fits

NoiseChisel started on Thu Oct 19 18:26:47 2017
  - Using 8 CPU threads.
  - Input: ib5x2byrq_00i_single_ext.fits (hdu: 0)
  - Kernel: FWHM=2 pixel Gaussian.
  - Convolved with kernel.                             0.434701 seconds
  - Starting to find initial detections.
astnoisechisel: interpolate_close_neighbors_on_thread: only 4 neighbors found while you had asked to use 9 neighbors for close neighbor interpolation

There is any way I can avoid this error? Thank you very much.

Best regards,

PS: The version I am using is:

astnoisechisel -V
NoiseChisel (GNU Astronomy Utilities) 0.3.53-b018
Copyright (C) 2015-2017, Free Software Foundation, Inc.
License GPLv3+: GNU General public license version 3 or later.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written/developed by Mohammad Akhlaghi

Alejandro Serrano Borlaff

Instituto de Astrofísica de Canarias
C/ Vía Láctea s/n E38205 - La Laguna (Tenerife)

'We choose to go to the moon in this decade and do the other things,
not because they are easy, but because they are hard" - John F. Kennedy

Attachment: ib5x2byrq_00i_single_ext.fits
Description: image/fits

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