Search found 3 matches
- 2016-11-17T10:07:30-07:00
- Forum: Users
- Topic: Flattening composed image
- Replies: 1
- Views: 2307
Flattening composed image
Hi there, I'm using ImageMagick 6.8.9-9 on Linux. What I'm trying to do is compose two images, one with pixel data and the other with an alpha channel data (grayscale image) together. That works fine: convert src.pnm \( alpha.pnm -colorspace gray -alpha off \) -compose copy-opacity -composite out ...
- 2016-04-15T13:22:07-07:00
- Forum: Bugs
- Topic: Grayscale too dark
- Replies: 3
- Views: 3092
Re: Grayscale too dark
I've uploaded a tar.gz file with all the image examples to pastebin: http://pastebin.com/tgWrnbCt
Grab it (the content between the "start" and "end" lines) and do
$ openssl base64 -d <in.txt >out.tar.gz
$ tar xfvz out.tar.gz
Grab it (the content between the "start" and "end" lines) and do
$ openssl base64 -d <in.txt >out.tar.gz
$ tar xfvz out.tar.gz
- 2016-04-15T13:19:07-07:00
- Forum: Bugs
- Topic: Grayscale too dark
- Replies: 3
- Views: 3092
Grayscale too dark
Once again the same issue. Convering grayscale PNM to PNG makes the image dark. Apparently messed up colorspace conversion (linear vs. non linear). All I want is the EXACT pixel values in the PNM to also be available in the PNG. I've found This: http://www.imagemagick.org/discourse-server/viewtopic ...