Legacy ImageMagick Discussions Archive

snibgo wrote:For example:

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convert x.jpg -format "%[fx:minima>0.25]" info:

This returns 0 or 1 according to whether the minimum exceeds a threshold. It could be used in a script to do whatever you want.

Can you explain the synthax? I'm trying it and I always get 0.

I will test it. Thanx. I had already figure out a silly way to do what I needed. This is my test script. It creates a histogram of the image and then crops the histogram to a txt file. The crop points to a low point to the left and to the right. So, if it's white, it means there's data and there's n...

There must be a way to copy or move all images that, for instance, do not have any value from 0 to 50.

I know I can use the normalize command or contrast-stretch, etc. to correct the levels of all my images in a folder. However, I'd like that Imagemagick does not process all images, but only those that have severe problems of levels. I suppose there must be a way to make it analize the picture by gen...

Is there any command I can use with Imagemagick to do something like the shadow / highlight command under image adjustments in Photoshop? I have a script which runs Imagemagick with normalize to correct the levels of an image. However, sometimes I found images with dark areas without affecting the r...

This is for a frontend program that doesn't accept animated gifs, only pngs. However, I still have to try if it accepts an animated png. I've just downloaded some from the web and I'll try tonight.

Following a tutorial I've been able to convert the files to animated gif, but I don't know how to obtain an animated png. Any help?

convert z:\convert\folder1\pic.png z:\convert\folder2\pic.png -gravity south -set delay 300 z:\convert\output.gif

Hi. I'd like to know if ImageMagick can be used to join two .pngs into an animated .png. The result would be an infinite cycle of both images with an interval of 5 seconds. Thanx in advance!

I', using mogrify from an Autohotkey script. I don't know where's the problem but it works fine, except with files which have spaces in their names. Any idea?

This is the command:
runwait, %impath%\mogrify.exe -path %output% -resize %resarea%@ -normalize -quality 95 %imageo% ,,hide

I wonder if Imagemagick is able to do video conversion and edition. I suppose it can't. I wonder if you know of any program that can be called from a script, using commands, like Imagemagick, but can convert several files with mov format to avi without quality loss and then resize to different outpu...

Thankyou. What's the difference between that script and this one I've found? BTW, in this example, the modified files are stored in a different folder but the names are wrong and have no extension. How can I fix it? convert fotosin\*.jpg -font Arial -pointsize 32 -fill white -annotate +30+50 %[exif:...

Hello. Could you tell me how to add text in the bottom right corner of a series of jpgs indicating the date of the photo (the date in which it was taken, or the date in which the file was created). I'd like white small font, with a black outline. Is this possible? Thanx.

Hi. I'd like to know if this can be done with ImageMagick. I need to print on screen a short text, let's say a title with one or two lines, but with a specific degree of rotation, so that it appears over a .jpg, for instance on the picture of a man holding a piece of paper. I also have Autohotkey, i...

The only problem I'm having with histograms is that the graphics are too flat in some images (when they have much contrast), almost unreadable sometimes. Notice the difference between the histogram in Photoshop (left) and Imagemagick (right) for the same image. There are cases in which you just see ...

I'll try although I think this is more than enough for what I need:

convert 1.jpg -separate -append -define histogram:unique-colors=false histogram:MIFF:- | convert - -fill "#ddddff" -colorize 60% histogram1e.jpg

Thanks man.