I believe I may have the same issue that was reported as solved in a previous post https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=30760&p=139767&hilit=alpha+shape#p139313 .
Input:
http://www.fmwconcepts.com/misc_tests/moon.png
convert alpha_extract.png -background blue ...
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- 2017-05-03T19:40:15-07:00
- Forum: Bugs
- Topic: possible -alpha Shape bug
- Replies: 5
- Views: 11150