Make a panel

montage -label %f  -geometry 400x300+4+4   -tile 2x3 *.jpg  output_panel.jpg

This will make a panel (two columns, three rows) where each image is 400x300pxs big with 4 pxs spacing in horizontal and vertical axis, name of each file will be under the image

Resize/transform images

Bit depth

convert -depth 8

converts to 8 bit depth

Rotate

convert -rotate 90

rotates 90dg clockwise

get a crop of images from the center

for img in img1.jpg img2.jpg img3.jpg img4.jpg; do
    convert "$img" -gravity center -crop 300x300+0+0 +repage "cropped_$img"
done

Crop to fit 1920 to 1080 no distortion

magick mogrify -path output -resize 1920x1080^ -gravity center -extent 1920x1080 *.jpg
  • path output → saves processed images in a new folder called output
  • resize 1920x1080^ → scales so the shorter side matches 1080p, without stretching
  • gravity center -extent 1920x1080 → crops excess from the center so every image is exactly 1920×1080

Converting rgb tif files to cmyk files

Looks power point is not able to export tiff into CMYK, only RGB
For this process it is important to have the files which define the colour spaces(?)

 for file in *.TIF; do convert "$file" -profile sRGB_v4_ICC_preference.icc -profile APTEC_PC11_CCNB_2023_v1.icc -density 300 -resize 2550x3300 CMYK_"${file/.TIF/.tiff}"; done

Parameters:

  • -density 300 pixels per inch
  • -resize 2550x3300 scale to A4 with a 300 pixels per inch density

Resources

Profile files:

Link to the icc color website link to icc