Legacy ImageMagick Discussions Archive

Hi all,

sorry for the late reply...
It works now, thanks!

What version of IM?

The documentation http://www.imagemagick.org/script/command-line-options.php#shear seems to be wrong. It says:
When Ydegrees is omitted it defaults to 0.
... but experimentation suggests that when Ydegrees is omitted it defaults to Xdegrees. So I suggest you use:
magick "In ...

Hi all,

I want to skew the top side of an image by 1 pixel to the right. In the comand line option I found the shear command. To calculate the shear angle. I used:

<shear angle> = arctan(1/<vertical image resolution>)

In the present case I had a vertical resolution of 19787 pixel, so I get a ...

Actually I'm using grayscale images, means 1 byte/pixel, but however I see that there will be large images, which I cannot process maybe. I modified the command line again to

magick.exe -limit memory 8Gib -limit map 8GiB -limit area 8GiB "IN.tiff" -unsharp 1x1+2 -crop 14x1@ +adjoin "OUT.tiff ...

Thanks for your suggestion, it works.

Actually I use: magick IN.tiff -crop 5x1@ +adjoin OUT.tiff

I tried the software also with different input files. For a test file with 62599x43406 pixels the image it works fine and I get 5 pieces of the image.
In a second file with a resolution 131246x93334 ...

Sounds good and i tried it.
How can I create several different files and not one output file with 5 pages?

Hi all,

I am new on this Board and are trying to figure out if ImageMagick can be a solution for me.

I hope I can get an idea if my target can be reached:

Using the actual version i want to read a pdf, ript it to a fixed resolution, save it in separations (separate color per file) and cut the ...