The "convert" command, from the ImageMagick® software suite is a program to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
Questions tagged [imagemagick-convert]
1387 questions
0
votes
2 answers
Trouble Installing ImageMagick for Windows
I just downloaded ImageMagick but am not sure if it's working. I typed in 'which convert' into my terminal and nothing happened. I also tried typing in 'convert logo: logo.gif' then 'identify logo.gif' and lastly 'display logo.gif' and nothing…

sgx
- 1,265
- 3
- 19
- 36
0
votes
1 answer
In node imagemagick-native how to add callback method for convert method
In below convert method i need to add callback method.How can i do that.
var imagemagick = require('imagemagick-native');
var srcData = require('fs').readFileSync('./test/test.png');
imagemagick.convert({
srcData: srcData,
…

sachin
- 13,605
- 14
- 42
- 55
0
votes
1 answer
ImageMagick convert from GRAY to TIFF using stdin
I have a file I'm saving in raw GRAY format, which then gets converted to tiff. Running the command as follows works:
convert -size 1024X1024 -depth 16 -endian MSB imgTemp.gray /tmp/bla.tiff
but changing to use stdin as the input doesn't:
cat…

NindzAI
- 570
- 5
- 19
0
votes
1 answer
php ImageMagick exec -draw text doesn't work as expected - special characters
exec($IM_path."convert
-size 800x300 xc:black
-font ".$linktottf."
-pointsize 16
-draw \"fill white stroke none decorate underline text 580,28 Kühle Frische, not working\"
output.png");
The "draw text"-part in the code above…

John Doe Smith
- 1,623
- 4
- 24
- 39
0
votes
1 answer
ImageMagick RGB to CMYK conversion results in very dark images
On one server (running ImageMagick 6.7.7) when I convert RGB to CMYK the resulting images are fine, but when I run the same command on another server (sadly the production one!) I get much darker images.
I've tried removing colour profiles etc.…

BennySparra
- 31
- 5
0
votes
3 answers
Starting an ImageMagick Exe Process and resizing the image
I am using ImageMagick convert.exe(to re-size a image) in command line. It works great. But if I do the same in C# then It doesn't work. It does not show any error and all the lines run just fine. The StanderdErrorOutput is also empty. Any idea?…

Imran Qadir Baksh - Baloch
- 32,612
- 68
- 179
- 322
0
votes
1 answer
How do I split an image to multiple images of the same height?
I have a screenshot with buttons in them:
EDIT: I changed the image as the previous one produced an expected result.
The height of each button is 48px (44px is the actual button, 4px is the bottom spacing). How can I:
trim the screenshot
split it…

silvenon
- 2,068
- 15
- 29
0
votes
2 answers
Failed to convert NCL high-resolution postscript to png
I got an postscript file from a NCL script whit the mpDataBaseVersion = "HighRes" (high resolution map). and I got ImageMagick 6.2.8 run in RHEL 5.6 i386.
when I ran convert high-resolution.ps test.png, I got:
Error: /undefinedresult in…

zx1986
- 880
- 2
- 12
- 18
0
votes
1 answer
ImageMagick JPEG compression block size
Does anyone know what processing block size (8x8 or 16x16 ??) is used in JPEG compression by ImageMagick? And, is there a way to change this default block size?

pree
- 2,297
- 6
- 37
- 55
0
votes
1 answer
Converting SVG with parameters to another file type?
on my website, I have an SVG image which is generated using parameters from a form that a user selects.
All works fine, but I'm struggling to think of a way to do the next part.
Once the user is finished, they click a button... I want this button to…

user1952067
- 97
- 1
- 8
0
votes
0 answers
Image cropping with absolute pixel values
I'm trying to crop a small part of an image. I used ImageMagick command for this as below:
convert image.jpg -crop 6x6+16+16 +repage image_crop.jpg
However, when I try to compare pixel values in both the images for the same block, it doesn't match.…

pree
- 2,297
- 6
- 37
- 55
0
votes
1 answer
Image magick code working on centos but not on windows
Here is my code below
exec("convert -page 90x54 script_o.gif \\( script_o.gif -repage +37+0\! \) output.gif");
which works fine on my webserver(centos), but it does not work on my wamp server, but i have checked other im codes which works fine on…

Friend
- 1,326
- 11
- 38
- 62
0
votes
1 answer
Imagemagick convert make thumbnail bigger than box
I am trying to make thumbnails which would be bigger than a box. Idea is to show thumbnail and on mouse over show the correct aspect ratio.
Example
Box size: 100x100 (min size)
If image is 3000x2000, i need 150x100
If image is 2000x3000, i need…

mithuntnt
- 507
- 1
- 5
- 17
0
votes
1 answer
second ImageMagick process fails in Python
OS Ubuntu 12.04 precise, python 2.7.3, pyramid web framework, IM 6.4.7-1
I've got Python code (inside a Pyramid Web Framework application, but that should be irrelevant) which takes a captured image capture.jpg and then needs to do two ImageMagick…

user2139543
- 5
- 2
0
votes
1 answer
ImageMagick: creating a transparent rectangular image and appending a square logo at the center
I have a 70px x 70px image logo. I want to make a 170px X 70px transparent image and append the logo in the center of this. How can this be achieved with the ImageMagick command line tool convert.exe?
Any help will be highly appreciated.
Thanks.

WatsMyName
- 4,240
- 5
- 42
- 73