Tagged Questions

ImageMagick is an open source software suite for displaying, converting, and editing raster image files.

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1
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1answer
155 views

Why my computer fails when converting many images in Imagemagick with one command?

After updating to Precise had a few times the following mishap: when I try to convert to pdf many (100, 200) jpegs or pngs, my system gets completely stuck and need hard reboot. Or, more fortunately, ...
1
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1answer
4k views

How to add Fade-out and Fade-in Effects by convert command?

convert command can make the mpeg video from the several pictures. For example: convert -delay 300 *.png test.mpg Well, is it possible to add Fade-out and Fade-in effects into the mpeg video by ...
0
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1answer
2k views

How to uninstall imagemagick?

I'm trying to uninstall imagemagick and install. But i'm not able to uninstall. Can anyone tell me how to uninstall Imagemagick?
8
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2answers
6k views

Resize images to specific height value in ImageMagick?

I've looked around for this, and can't find an easily implemented solution. Currently I'm working on an application that deals with panoramas. As they come out of the batch stitch process, the ...
1
vote
1answer
226 views

How can I give a program writing access to a directory?

There's a program called imagemagick that can edit images. It can save files to my home folder with out issues. It won't save images to a folder /var/www/thumb_nails/ edit: it does work if I ...
1
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1answer
473 views

tool to scan similar images

What tools might be available in Ubuntu to scan many image files and detect similar ones despite different sizes, formats, etc? Support for batch mode/cli would be especially good. For example, so I ...
8
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3answers
7k views

RMagick install problem

I can't install RMagick because of the following dependency problem after trying sudo apt-get install libmagick9-dev (required according to this) on Ubuntu 10.0.4: Note, selecting libmagickwand-dev ...
1
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1answer
1k views

imagemagick convert command

i have question regarding the convert and linux command in generate. i need to convert images using imagemagick i do: convert -quiet -regard-warnings image.jpg -colorspace RGB +repage ...
9
votes
11answers
10k views

Is there a better way to redact a PDF?

I had to print a couple of PDFs recently to send to someone, but I wanted to redact (black out) a couple small bits of text. A quick google search didn't turn up any tools for this specific purpose, ...
1
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2answers
830 views

Terminal transparency (urxvt) , Imagemagick, and X11 root window problem

I use Ubuntu Natty, urxvt (with 256 colours), and Imagemagick (display -window root [...]) to set the root window to a picture. When I use the transparancy (-tr) option on urxvt, I get the Ubuntu X ...
1
vote
1answer
381 views

How can I make lcms available to imageinfo (via imagemagick)?

When I try to run: imageinfo --iccname test.jpg I get the following error: imageinfo: installed imagemagick does not support lcms Even though ImageMagick (6.6.2-6) is set-up to use lcms: ...
8
votes
5answers
3k views

How can I convert a folder of .pngs to .jpgs while setting the background color?

I have a folder of png files that have transparent backgrounds. I would like to convert them from the command line and maintain the images' transparent backgrounds. I'd appreciate any help. Since ...
0
votes
1answer
95 views

Color-leveling an image via command-line

From a script, I'm trying to apply some color levels to a grayscale .tiff image (the same as I would do in Gimp). I've tried using ImageMagick's convert tool: convert input.tiff -level 102,200,0.85 ...
5
votes
1answer
651 views

Nautilus Image Converter: strip EXIF metadata

I just found out that images can have more than 20KB of EXIF data. Not really an issue with 2MB files, but if you have small thumbnails this really adds up. I use mogrify often to resize, and I can ...
4
votes
1answer
2k views

Resize large images with mogrify (ImageMagick) but leave small images unaffected

Images can be resized using mogrify from the ImageMagick suite: `mogrify -resize 256x256 *.jpg` But this will resize images so that the largest dimension is 256px, including images that are smaller ...
2
votes
4answers
4k views

How can you animate a gif that goes back-and-forth instead of repeating?

I'm animating a gif with Imagemagick, I'm doing animate *.JPG, and that repeats the animation. But I would like it to go do "pic1, pic2, pic3, pic2, pic1" and repeat, so that it goes back and forth. ...