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[bug #63171] Strange patterns on warped images

From: Mohammad Akhlaghi
Subject: [bug #63171] Strange patterns on warped images
Date: Mon, 17 Oct 2022 12:25:47 -0400 (EDT)

Follow-up Comment #18, bug #63171 (project gnuastro):

While I was talking about this feature (Moiré pattern
<>) with David Muniesa (at
CEFCA), he mentioned that the SWarp manual
also talks about it in Figure 7 on page 20 (of the latest version from
December 17, 2010). The proposed solution there is also oversampling!

Pedram, do you have any thoughts on how to reduce/improve it without requiring
an oversampling (which is very expensive in CPU and RAM usage)?


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