Legacy ImageMagick Discussions Archive

denisnikulin wrote:how is it possible to get the percentage of colors?
for example:

Code: Select all

convert picture.jpg -colors 2 -unique-colors txt:- 

it gives 2 most colors, used in picture. but what is the most of them? )

convert picture.jpg -colors 2 -format "%c" histogram:info:

see compare with statistics

http://www.imagemagick.org/Usage/compare/#compare

Also see my bash script, squareup, at http://www.fmwconcepts.com/imagemagick/index.php

Great! :lol: Thank you. This is the command, that solve my problem: convert candelete.jpg -resize "100X100^" -gravity center -crop 100X100+0+0 win: It's working. Thank you. You should keep the +repage at the end to avoid the virtual canvas size being different from the image, so that furt...

try convert inputimage -resize 100x100^ -gravity center -crop 100x100+0+0 +repage outputimage see -resize and image geometries about the use ^ for making the smaller dimension resize to 100. http://www.imagemagick.org/script/command-line-processing.php#geometry also see http://www.imagemagick.org/Us...

IM quality factors may not be truly linear percents.

see -fuzz

http://www.imagemagick.org/script/comma ... s.php#fuzz
http://www.imagemagick.org/Usage/color/#fuzz

By default -distort perspective uses elliptically weighted area filtering to avoid aliasing artifacts. But you can use other filters using the -filter setting. To turn off filtering use -filter point. To use the best non-area filter, try -filter lanczos. See http://www.imagemagick.org/script/command...

I am a new user of Magick. I believe this is the best forum to post this question. If not, please direct me to the appropriate forum. I am using the command line processing command convert as follows: convert 16141869_cutprofile.jpg -crop "700X500" 16141869_cutprofile.jpg Instead of the o...

try setting -virtual-pixel background -background white

That is a nice example and his blurring is done via a pseudo-depth mask. But in order to try anything we need a good example of the raw image and a version of the final image to try to match to.

I cannot say for sure what is up to date, but see http://www.imagemagick.org/Usage/formats/#bmp " IM can not produce BMP's at depth levels other than 8. However you can use NetPBM image processing set to do the final conversion to other depth levels (This needs at least a Q16 version of IM)... ...

I'm wondering if there's an easy way to create the Tilt Shift effect? http://tiltshiftmaker.com/tilt-shift-photo-gallery.php It seems it can be done just by blurring parts of the photo, and maybe upping the colors? Here is the photoshop tutorial. http://www.tiltshiftphotography.net/photoshop-tutori...

Hi, a stupid question: What do all theses backslashes \ mean? I am executing this command on a german windows vista cmd.exe and get errors when executing this command. In the example i posted i had to remove all the \ and place the command into one line. I cant get this example to run. Either the \...

Hi, I want to use IM to generate gifs dynamically in a website (ASP.NET). The following source seems to create 4 gif files temporary in 4 commands and use a 5th command to merge them. I am afraid that this approach could fail when multiple users generate gifs at the same time so IM could get mixed ...