When we used black and white film cameras, we would put red filters over the lens to block the blue light from the sky, increasing the contrast between sky and cloud.
convert %SRC% ^
-auto-level ^
( +clone -modulate 100,0,100 -write c0.png +delete ) ^
-separate ^
-delete 1-2 ^
cr.png
The ...
Search found 2 matches
- 2013-10-07T00:53:14-07:00
- Forum: Users
- Topic: Using Image Magick to measure "Cloudiness" of the Sky
- Replies: 4
- Views: 2486
- 2013-10-06T04:45:01-07:00
- Forum: Users
- Topic: Using Image Magick to measure "Cloudiness" of the Sky
- Replies: 4
- Views: 2486
Using Image Magick to measure "Cloudiness" of the Sky
Hi,
I came across another thread http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=12818 about analysing images, but I couldn't work out how to go from that to what I would like to do, which seems to be similar.
Basically, I want to take an image of the sky (only 640 x 480) and ...
I came across another thread http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=12818 about analysing images, but I couldn't work out how to go from that to what I would like to do, which seems to be similar.
Basically, I want to take an image of the sky (only 640 x 480) and ...