Legacy ImageMagick Discussions Archive

It works beautifully.

Anyhow, my version is ImageMagick 7.0.8-34 on Ubuntu.

For resizing, we can tell IM to resize if an image is larger than a given size. Is it possible for crop (gravity) too? I want to prepare images for instagram, which apparently has limitations for aspect ratio: Landscape: 1.91:1 Portrait: 4:5 Can I tell IM to crop only if the image is beyond these ...

I have ImageMagick installed on Ubuntu 18.04 from the official repository. The machine has AMD Radeon Vega 64 with AMDGPU driver installed from the official AMD website. I wonder if it is possible to use the GPU for hardware acceleration of convert or mogrify commands? Or I have to compile ...

Excellent! Works perfectly. Thanks!

I try to convert a series of SVG files to JPG with the following command
However, the dimension of the resulting JPG files is 1919x1080. How can I force ImageMagick not to alter 1px?

I try to convert a series of SVG files to PNG with mogrify as mogrify -format png *.svg but the images are cropped to include the visible part only. How can I convert SVG to PNG with the original size? I do not want to use the sizeable feature of the vector. Instead, I just want to maintain the ...

Oh my bad. Worked perfectly.

I convert non-jpg files to jpg in a folder with mogrify: I want to resize files, which are larger than 800px in width.

With convert command, the solution is How can I do this with morigy, which well works with the files in a folder.

snibgo wrote: ↑2017-08-09T11:28:12-07:00 IM version? Platform?

ImageMagick 6.8.9-9
Ubuntu 16.04

WOW, it worked like a charm. The key is that my points are not completely black and I have to use gray instead, right?

I want to get the coordinates of the points in a line from an image to re-draw it. http://i.imgur.com/xpd2F2A.png I tried convert photo.png txt:- | sed -n 's/^\(.*\):.*black$/\1/p' but it didn't work. I also tried to create white edges as convert photo.png -edge 1 -threshold 0 photo.png convert ...

For embedding PNG inside PDF, it is necessary to separate alpha channel. I used IM to convert a transparent PNG to PDF, and the output PDF file contains 8 0 obj << /Type /XObject /Subtype /Image /Name /Im0 /Filter [ /FlateDecode ] /Width 75 /Height 65 /ColorSpace 10 0 R /BitsPerComponent 8 /SMask 15 ...

I convert images (e.g. PNG, TIFF, etc) to EPS with convert command. Size in vector images is almost meaningless, but EPS has BoundingBox to set the default image size. ImageMagick set the BoundingBox from the original image size. I want to set a custom BoundingBox for the final EPS file. The ...