Scripts for separating images into cmy (negative) and then stitching back together render files
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#!/bin/bash
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FILEPATH=`realpath "${1}"`
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DIR=`dirname "${FILEPATH}"`
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FILENAME=`basename "${FILEPATH}"`
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NAME=`echo "${FILENAME}" | cut -d'.' -f1`
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EXTENSION="png"
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CHANNELS=("c" "m" "y")
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convert "${FILEPATH}" \
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-negate \
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-set colorspace CMYK \
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-channel CMY \
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-separate \
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"${DIR}/${NAME}_%d.${EXTENSION}"
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for ((i=0;i<${#CHANNELS[@]};++i)); do
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CHANNEL="${CHANNELS[i]}"
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mv "${DIR}/${NAME}_${i}.${EXTENSION}" "${DIR}/${NAME}_${CHANNEL}.${EXTENSION}"
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done
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#!/bin/bash
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FILEPATH=`realpath "${1}"`
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DIR=`dirname "${FILEPATH}"`
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FILENAME=`basename "${FILEPATH}"`
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NAME=`echo "${FILENAME}" | cut -d'.' -f1`
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EXTENSION="png"
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CHANNELS=("c" "m" "y")
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OUTPUT="${DIR}/${NAME}_cmy.${EXTENSION}"
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CYAN="${DIR}/${NAME}_c.${EXTENSION}.rendered.${EXTENSION}"
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MAGENTA="${DIR}/${NAME}_m.${EXTENSION}.rendered.${EXTENSION}"
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YELLOW="${DIR}/${NAME}_y.${EXTENSION}.rendered.${EXTENSION}"
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WIDTH=404
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HEIGHT=374
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convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(0,255,255\) cyan.png
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convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(255,0,255\) magenta.png
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convert -size "${WIDTH}x${HEIGHT}" xc:rgb\(255,255,0\) yellow.png
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composite -colorspace RGB -compose screen "${CYAN}" cyan.png cyan_comp.png
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composite -colorspace RGB -compose screen "${MAGENTA}" magenta.png magenta_comp.png
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composite -colorspace RGB -compose screen "${YELLOW}" yellow.png yellow_comp.png
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composite -colorspace RGB -compose multiply yellow_comp.png cyan_comp.png 1.png
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composite -colorspace RGB -compose multiply 1.png magenta_comp.png "${OUTPUT}"
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rm cyan.png
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rm magenta.png
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rm yellow.png
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#rm cyan_comp.png
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#rm magenta_comp.png
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#rm yellow_comp.png
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#rm 1.png
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mogrify -negate "${OUTPUT}"
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open "${OUTPUT}"
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#!/bin/bash
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INPUT=`realpath "${1}"`
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PNG="${INPUT}.rendered.png"
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SVG="${INPUT}.rendered.svg"
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WIDTH=404
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HEIGHT=374
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DOTSIZE=4
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MAXGENERATIONS=25
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MAXPARTICLES=750
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MINDOTSIZE=0.8
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LINE=0.8
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FILL=true
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cd ~/src/stipple_gen/
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bash stipple_gen.sh \
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--inputImage "${INPUT}" \
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--outputImage "${PNG}" \
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--outputSVG "${SVG}" \
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--canvasWidth $WIDTH \
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--canvasHeight $HEIGHT \
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--dotSizeFactor $DOTSIZE \
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--windowWidth $WIDTH \
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--windowHeight $HEIGHT \
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--maxGenerations $MAXGENERATIONS \
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--minDotSize $MINDOTSIZE \
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--line $LINE \
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--fill $FILL \
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--maxParticles $MAXPARTICLES
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