Scripts for separating images into cmy (negative) and then stitching back together render files

cmy/cmy.sh

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+#!/bin/bash
+
+FILEPATH=`realpath "${1}"`
+DIR=`dirname "${FILEPATH}"`
+FILENAME=`basename "${FILEPATH}"`
+NAME=`echo "${FILENAME}" | cut -d'.' -f1`
+EXTENSION="png"
+CHANNELS=("c" "m" "y")
+
+convert "${FILEPATH}" \
+	-negate \
+	-set colorspace CMYK \
+	-channel CMY \
+	-separate \
+	"${DIR}/${NAME}_%d.${EXTENSION}"
+
+for ((i=0;i<${#CHANNELS[@]};++i)); do
+	CHANNEL="${CHANNELS[i]}"
+	mv "${DIR}/${NAME}_${i}.${EXTENSION}" "${DIR}/${NAME}_${CHANNEL}.${EXTENSION}"
+done

cmy/combine.sh

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+#!/bin/bash
+
+FILEPATH=`realpath "${1}"`
+DIR=`dirname "${FILEPATH}"`
+FILENAME=`basename "${FILEPATH}"`
+NAME=`echo "${FILENAME}" | cut -d'.' -f1`
+EXTENSION="png"
+CHANNELS=("c" "m" "y")
+OUTPUT="${DIR}/${NAME}_cmy.${EXTENSION}"
+CYAN="${DIR}/${NAME}_c.${EXTENSION}.rendered.${EXTENSION}"
+MAGENTA="${DIR}/${NAME}_m.${EXTENSION}.rendered.${EXTENSION}"
+YELLOW="${DIR}/${NAME}_y.${EXTENSION}.rendered.${EXTENSION}"
+
+WIDTH=404
+HEIGHT=374
+
+convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(0,255,255\) cyan.png
+convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(255,0,255\) magenta.png
+convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(255,255,0\) yellow.png
+
+composite -colorspace RGB -compose screen "${CYAN}" cyan.png cyan_comp.png
+composite -colorspace RGB -compose screen "${MAGENTA}" magenta.png magenta_comp.png
+composite -colorspace RGB -compose screen "${YELLOW}" yellow.png yellow_comp.png
+
+composite -colorspace RGB -compose multiply yellow_comp.png cyan_comp.png 1.png
+composite -colorspace RGB -compose multiply 1.png magenta_comp.png "${OUTPUT}"
+
+rm cyan.png
+rm magenta.png
+rm yellow.png
+
+#rm cyan_comp.png
+#rm magenta_comp.png
+#rm yellow_comp.png
+
+#rm 1.png
+
+mogrify -negate "${OUTPUT}"
+
+open "${OUTPUT}"

cmy/stipple.sh

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+#!/bin/bash
+
+INPUT=`realpath "${1}"`
+PNG="${INPUT}.rendered.png"
+SVG="${INPUT}.rendered.svg" 
+
+WIDTH=404
+HEIGHT=374
+DOTSIZE=4
+MAXGENERATIONS=25
+MAXPARTICLES=750
+MINDOTSIZE=0.8
+LINE=0.8
+FILL=true
+
+cd ~/src/stipple_gen/
+
+bash stipple_gen.sh \
+	--inputImage "${INPUT}" \
+	--outputImage "${PNG}" \
+	--outputSVG "${SVG}" \
+	--canvasWidth $WIDTH \
+	--canvasHeight $HEIGHT \
+	--dotSizeFactor $DOTSIZE \
+	--windowWidth $WIDTH \
+	--windowHeight $HEIGHT \
+	--maxGenerations $MAXGENERATIONS \
+	--minDotSize $MINDOTSIZE \
+	--line $LINE \
+	--fill $FILL \
+	--maxParticles $MAXPARTICLES