Legacy ImageMagick Discussions Archive

I am having trouble getting Imagemagick to do this. This is what I have so far. I need to select any file that has *.jpg and randomly rotate and shear the images within 10 degrees.

Help

magick /Users/Username/Desktop/folder/*.jpg ShearRotateImage(const Image *jpg,"%[fx:-1+2*rand()]")

Your syntax is bad. You are mixing command line and API code. Also you cannot use wild cards for both input an output. You should use magick mogrify to process a folder of images. But mogrify is old technology and does not allow inline computations. So you will likely need to write a script loop over each image and process them that way. Then you can do
see https://imagemagick.org/script/command- ... .php#shear


____________________

Please, always provide your IM version and platform when asking questions, since syntax may differ.


If using Imagemagick 7, then see http://imagemagick.org/script/porting.php#cli


For novices, see

http://www.imagemagick.org/discourse-se ... f=1&t=9620
http://www.imagemagick.org/script/comma ... essing.php
http://www.imagemagick.org/Usage/reference.html
http://www.imagemagick.org/Usage/
https://github.com/ImageMagick/usage-markdown
https://imagemagick.org/script/porting.php#cli

magick /Users/username/Desktop/MM10918\ copy /image.jpg -alpha on -background none -shear "%[fx:10*(-1+2*rand())]x0" image.jpg
magick: no decode delegate for this image format `' @ error/constitute.c/ReadImage/556.


I keep getting this error?

What is your IM version and Platform/OS? If a Unix system, I can help with the script loop. If on Windows, then someone else would have to help.

Filenames with spaces need to be put in double quotes. You are also mixing \ and /. For Unix, only use /
Or do I misunderstand your \ copy /

I am using V7 on High Sierra. Yes there are spaces in the file names

magick "/Users/celvenjohnson27\ 1/Desktop/MM10918\ copy/image.jpg" -alpha on -background none -shear "%[fx:10*(-1+2*rand())]x0" image.jpg

Im using this but getting the same error directory @ error/blob.c/OpenBlob/348

Does this apply to all the .jpg files in the folder?

Does this apply to all the .jpg files in the folder?

unable to open image . this is the error Im getting

I got the path to work, Im not sure it is working though? They do not look rotated or sheared?

Version: ImageMagick 7.0.8-12 Q16 x86_64 2018-09-23
Using Mac

Cd to the directory where you have your input and try it there
Does that work?

What exact version of IM 7?
If you file path actually has \ then use your actual file path but put double quotes about it. But are you sure about the path? Why do you want spaces. That just makes it more confusing. I do not advise doing that. But it should work if you have the correct path and use quotes.

Version: ImageMagick 7.0.8-12 Q16 x86_64 2018-09-23

this is the error I get now after i cd the directory

magick: unable to open image 'image.jpg': No such file or directory @ error/blob.c/OpenBlob/3489.

the files are formatted as "yyyy-mm-dd-hh-mm-ss.jpg"