Vector graphics: batch manipulation on command line

Once in a while I need to manipulate multiple vector graphics at once (mostly svg, but could be embedded in pdf as well). For this purpose I list those commands I regularly resort to below, either directly as command or embedded into small command line scripts. Most of the examples require the vector graphics editor … Continue reading Vector graphics: batch manipulation on command line

Animated gif creation with automatic image alignment

In case you took some photos showing a scene in motion, you probably want to create an animated gif out of them. If you did not use a tripod for fixing your camera, the images will not be aligned perfectly, so that the scene is slightly shifted within the images - which is clearly visible … Continue reading Animated gif creation with automatic image alignment

convertconditional: convert an image if it fulfills certain conditions

Recently I needed a script to batch convert only those images amongst a large amount of images which fulfil certain criteria, namely of being exactly of a stated size. The script is based on ImageMagick's convert and basically takes an arbitrary amount of convert parameters. I personally use this script to automatically reduce size and … Continue reading convertconditional: convert an image if it fulfills certain conditions