Imagemagick is a cross-operating-system bitmap manipulation software package, run from commandline and programmable through a variety of programming languages.

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3
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1answer
57 views

Is there an Imagemagick replacement for Photoshop’s “same color” feature?

Photoshop offers a feature called same color. It adjusts the colors of an image based on another. Here is an example, these 2 pictures share different colors (one of them has an orange shade over ...
1
vote
3answers
864 views

How to convert Adobe Illustrator file (.ai) to Photoshop (.psd) without having Adobe Illustrator installed

I want to convert an Adobe Illustrator file (.ai) to an equivalent Photoshop (.psd), preserving layers, text and so on. I would like to know if there is something like imagemagick to do this, because ...
1
vote
0answers
292 views

imagemagick convert: changing color profile

I use the imagemagick convert command to create thumbnails for the web from large images. convert y2.psd[0] -resize '80x40' y2.png Some images uploaded by a customer are CMYK Photoshop files with ...
2
votes
2answers
339 views

Gimp 2.6.12: modify alpha channel while preserving color

This is for a video game in which a specularity mask is in the alpha channel of the normalmap. I need to create an image where the alpha value for some pixels are 0 (to indicate no specularity,) but ...
2
votes
1answer
68 views

How to convert a specified colour to transparent for a series of PNGs with ImageMagick?

I've installed ImageMagick on Windows 7 64-bit and I'm wondering how I can convert a series of PNGs to transparent PNGs in a timely manner (I have 180 PNGs to convert, so yeah I can't exactly do them ...
2
votes
1answer
266 views

Nearest neighbour interpolation not working in ImageMagick

I want to display an image and have the pixels big and clearly visible. As it's common to display scaled image with some form of smooth filtering, the best option is to scale up the image resolution ...
0
votes
0answers
49 views

Clipping mask filter

I am trying to write some text, using imagemagick, on another image but I want some pattern on letters. Writing on image is easy. But I have no idea how to put that pattern :(. This is an example ...
5
votes
3answers
467 views

Using imagemagick to create vibrant images

I'm in the process of helping out a friend who has a bunch of inventory pics. Most appear faded/washed out, and generally dull. I really like the effect as described here: ...
3
votes
2answers
1k views

How to correctly using potrace (CLI) to trace bitmap

I was trying to vectorize a .png. I found a utility (which is incorporated into InkScape), the potrace. If any of you knows how to use potrace, kindly teach me the right way to get sharp output. ...
0
votes
0answers
130 views

Conversion from svg to png creates certain pngs with black fields in them

When I converted several Inkscape .svg files to png using inkscape or mogrify (imagemagick) from the command line //inkscape from the command line conversion cd your-directory-with-the-svgs/ for i in ...
1
vote
0answers
77 views

Rescale an image on a log scale

I'm trying to rescale a map based on a log scale (so the first inch is about a mile, the second inch is two miles, the third is four miles, etc.). To complicate things, I would like this to be radial, ...
1
vote
1answer
236 views

Maximizing saturation while converting CMYK to RGB

I have many designs prepared for print (CMYK), but now I need to present them on a projector. As projectors go, I know most of them have weak contrast, and many of my colors wouldn't be as accented as ...
21
votes
9answers
8k views

Is there any way I can add watermark to .jpg files (around 15000), en masse instead of one by one?

I have around 15000 .jpg files that need to be watermarked. Is there any way to process these images en masse to add the watermark?
0
votes
0answers
234 views

Replace color for all layers

I have a file with about 500 layers, and I need to replace a color in all of them. I looked through different solutions here and elsewhere, and they all suggested using an adjustment layer or ...
2
votes
4answers
14k views