Top "Imagemagick" questions

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

How to replace white background color with transparent of an image in ImageMagick?

I have an image in .jpg format with white background color. I want to remove the white background color to …

imagemagick background-image background-color
What is the difference for sample/resample/scale/resize/adaptive-resize/thumbnail operators in ImageMagick convert?

I found multiple ways to change the resolution of an image using convert: -sample -resample -scale -resize -adaptive-resize -thumbnail What's …

imagemagick thumbnails
Converting PDF to CMYK (with identify recognizing CMYK)

I am having much trouble to get ImageMagick's identify to, well, identify a PDF as CMYK. Essentially, let's say I'm …

linux pdf imagemagick ghostscript cmyk
What packages are available for node.js to do image cropping?

I'm creating a website using node.js. I have seen many libraries mentioned that piggy back on top of imagemagick …

javascript node.js imagemagick
Glueing tile images together using imagemagick's montage command without resizing

This seems like it might be a reasonably common question, so I'm going to ask it using as many keywords …

image imagemagick tiles
Remove white background from an image

I want to get a transparent background or no background for my images. I tried the '-background none' option and …

background imagemagick image-manipulation perlmagick
Converting a multi page pdf to multiple pages using a single command

I want to convert multi page pdfs into single page images efficiently. I already know how to do this one …

imagemagick ghostscript imagemagick-convert
Add text on image at specific point using imagemagick

I want to add text on an image at specific point and want it be centre aligned. How can I …

imagemagick
How to extract frames from a GIF file preserving frame dimensions

I have the following GIF image file: I want to extract its frames (using PGM output format) using this imagemagick …

imagemagick gif
All of a sudden started getting "Could Not Run The `Identify` Command. Please Install ImageMagick."

I've had ImageMagick, RMagick, & PaperClip working properly with everything setup including the config Paperclip.options[:command_path] in production.…

ruby-on-rails ruby-on-rails-3 imagemagick rmagick