ImageMagick
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convert
convert -list configure
- list configuration for your install-flip
- horizontal mirror-flop
- vertical mirror-crop XxY+Xoffset+Yoffset
-quality 25%
convert -delay 25 -loop 0 *.gif animation.gif
- create an animated gif- Take the biggest internal square -
convert Christopher_Coletta_headshot.jpg -set option:size '%[fx:min(w,h)]x%[fx:min(w,h)]' xc:none +swap -gravity center -composite me_headshot_square.png
- Tile images-
for i in *; do BASENAME=`basename $i _E.tif`; convert $i -crop 208x231 +repage ~/img/lymphoma-auto-color-tiled5x6/eosin/CLL/${BASENAME}_t%02d_E.tif; done
+repage
resets the coordinate system of an image to 0,0 being in the upper left. "completely remove/reset the virtual canvas meta-data from the images"-shave 2x0
- shave 4 total pixels from the width, 2 from left, 2 from right, and shave 0 pixels from top and bottom-append
to concat vertically and+append
Convert color phone pics to BW scanned
for i in $(ls *.jpg); do BASENAME=`basename $i .jpg`; echo $i $BASENAME; convert $i -enhance -enhance -depth 4 -colorspace gray -brightness-contrast 20x40 -colors 8 -rotate 90 -enhance -enhance ${BASENAME}_adjusted.pdf; done
Replace a certain background color with white
convert input.png -fuzz 10% -fill white -opaque "#00FF00" output.png
Tell me what color is the top left pixel
magick 'input.png[1x1+0+0]' -format "%[hex:p{0,0}]" info:
identify
- also identify -verbose