Search found 4 matches

by Cequiel
2014-06-25T15:42:38-07:00
Forum: Users
Topic: convert: extract an horizontal band
Replies: 7
Views: 4273

Re: convert: extract an horizontal band

I think there should be an argument similar to 'extent', but respecting the geometry. It would be very useful.
by Cequiel
2014-06-25T14:49:17-07:00
Forum: Users
Topic: convert: extract an horizontal band
Replies: 7
Views: 4273

Re: convert: extract an horizontal band

I didn't know the 'identify' command. It was very useful. I did the following:

// creates the image
convert \( mysterious algorithm ... \) output.png

// gets the offset Y
identify -format '%Y' output.png

// the above command returns
+4294967207

Actually, the offset "4294967207" is an ...
by Cequiel
2014-06-25T14:38:36-07:00
Forum: Users
Topic: convert: extract an horizontal band
Replies: 7
Views: 4273

Re: convert: extract an horizontal band

Thanks snibgo. The problem is that I don't know where is exactly that point. Actually, the image is generated automatically by a mysterious algorithm :)
snibgo wrote:I can use your image as an example. I move (0,0) to where you want it...
by Cequiel
2014-06-25T07:12:23-07:00
Forum: Users
Topic: convert: extract an horizontal band
Replies: 7
Views: 4273

convert: extract an horizontal band

Hi Everybody,
I have the following command line:

convert \( some drawing, scaling, rotation and translation operations... \) output.png

The above command is the result of apply several image operations. The result of these operations is an arbitrary image and the (0, 0) point is not necessarily ...