All Questions
17 questions
0
votes
0
answers
29
views
Replay image transformation
I regularly need to merge 3 or more images into one, where one image is the base and the other images are added as overlays and are transformed to fit the base image using the cage transform tool in ...
- 149
0
votes
0
answers
73
views
Achieving an effect similar to GIMP's "Supernova" on HTML canvas?
I know the HTML canvas can achieve some pretty nice effects when using different composition modes, but I can't figure out how to achieve an effect similar to GIMP's Supernova:
I'm not sure whether ...
- 29.8k
-1
votes
2
answers
69
views
How can i add so much darkness in an image?
I have downloaded this image from pexels and i want to create similar effect on my photo but i cant find the desired method over internet. I want to add darkness or shadow downside. How can do it ...
- 1
1
vote
1
answer
614
views
Non-deterministic* data in header/beginning of PNG files
I noticed that PNG files created by Gimp from the same RPG data are identical except for the very beginning. This image shows a diff of otherwise identical PNG files created with Gimp:
What is this ...
- 625
1
vote
2
answers
1k
views
Graphics program that will generate a common palette from multiple jpgs
gimp has the ability to generate a palette from a loaded image. I am looking to have all images (i am not necessarily the author of these pictures) share a common palette since this makes it easier ...
- 11
1
vote
1
answer
1k
views
Batch generate height map from images
I have many many .png files and I'm looking for a way to generate height maps (or normal maps) for each of them. I can get the result I want from the gimp normalmap plugin but I need a way to automate ...
- 67
1
vote
2
answers
910
views
How to programmatically generate pictures of moon phases?
How do I generate images of the different moon phases?
i.e., I want something like this:
and I'm thinking about overlapping two images to get that kind of result, for example
&
based on U.S. ...
- 1,679
1
vote
1
answer
64
views
Create a free select image map
I would like to know if there is a way for me to create image map with free selection. I have so far only found rectangle, polygon and circle crop. I want to know if it is possible to pick around a ...
- 21
0
votes
2
answers
1k
views
Setting the background to transparent using GIMP
Using GIMP 2, I have an image of a grey chair on a white background, as below:
I now want to set the background to transparent. Therefore, I decided to use GIMP's "Color To Alpha" tool. So, I told it ...
- 24.1k
8
votes
3
answers
779
views
Role of color profile in graphics program
I think I understand what color profiles are. I do not understand, what is the difference in manipulating photo for example in photoshop in 16bpp sRGB and 16bpp Adobe RGB. My monitor can only show me ...
- 4,452
10
votes
2
answers
14k
views
How to calculate mean average color in GIMP?
How to calculate mean average color in GIMP?
I have some photo and want to calculate average color - how can I do it?
- 10.1k
17
votes
3
answers
5k
views
Split image into parts
Is there anything in imagemagick or gimp or other linux compatible tool what can automatically detect individual objects on image and either return some location of object or store each object as ...
- 22.5k
2
votes
1
answer
1k
views
Is there an image format that supports alpha-transparency and animation. While being supported by most browsers?
Is there an image format that supports alpha-transparency and animation. While being supported by most browsers? I have found only one image format, but it was not supported by any web browsers.
- 45
3
votes
1
answer
4k
views
Inkscape : How to ' crop ' something before 'saving' it? [closed]
If i open a new Inkscape document
and type
TEST
and then try to save it ( as .svg )
the whole page is saved.
what i want is a tiny icon that reads 'TEST'.
with no empty places around it.
sort ...
- 53
0
votes
1
answer
135
views
color inversion between two colors
I have a logo which contains shades of a green on a white background (and some other pale color shades, mostly gray). What I want to do is to `invert' the colors, this is, white should become green, ...
- 822
30
votes
4
answers
8k
views
How does Photoshop's magnetic lasso work?
Seems like GIMP's intelligent scissor is based on a paper from SIGGRAPH '95 on "Intelligent Scissors for Image Composition", as seen in one of the comments in the source.
However Magnetic Lasso in ...
- 5,020
0
votes
1
answer
1k
views
Inset selection in gimp? Reverse drop-shadow?
I'm wondering how to achieve this effect that Apple uses. It looks as though the button is depressed into the bar, can't figure out how to do the same effect for my graphics.
Thanks!
alt text http://...
- 5,167