2020-01-11 19:26:24 +00:00
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{ pkgs, ... }:
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2020-03-23 08:57:54 +00:00
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pkgs.writers.writeDashBin "generate-wallpaper" ''
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2020-01-11 19:26:24 +00:00
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set -euf
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# usage: getimg FILENAME URL
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fetch() {
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echo "fetch $1"
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curl -LsS -z "$1" -o "$1" "$2"
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}
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# usage: check_type FILENAME TYPE
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check_type() {
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if ! file -ib "$1" | grep -q "^$2/"; then
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echo "$1 is not of type $2" >&2
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rm "$1"
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return 1
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fi
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}
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2020-03-25 14:39:25 +00:00
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# check if file exists and fetch only if missing
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fetch_once() {
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name=$1
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url=$2
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test -e "$name" || fetch "$name" "$url"
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2020-01-11 19:26:24 +00:00
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}
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2020-03-25 14:39:25 +00:00
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fetch_older_min() {
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min=$1
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name=$2
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url=$3
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if ! test "$(find $name -mmin -$min)"; then
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fetch "$name" "$url"
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2020-01-11 19:26:24 +00:00
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fi
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}
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2020-03-25 14:39:25 +00:00
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fetch_older_days() {
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days=$1
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name=$2
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url=$3
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2020-03-25 18:11:53 +00:00
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if ! test "$(find $name -mtime -$days)"; then
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2020-03-25 14:39:25 +00:00
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fetch "$name" "$url"
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2020-01-11 19:26:24 +00:00
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fi
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}
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# usage: needs_rebuild DST SRC...
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needs_rebuild() {
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a="$1"
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shift
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if ! test -e "$a"; then
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#echo " $a does not exist" >&2
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result=0
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else
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result=1
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for b; do
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if test "$b" -nt "$a"; then
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#echo " $b is newer than $a" >&2
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result=0
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fi
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done
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fi
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#case $result in
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# 0) echo "$a needs rebuild" >&2;;
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#esac
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return $result
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}
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2020-03-25 14:39:25 +00:00
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get_neo_url() {
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url=$1
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curl -Ss "$url" | grep '3600 x 1800' | sed 's/.*href="\([^"]*\)".*/\1/'
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}
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2020-01-11 19:26:24 +00:00
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main() {
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cd "$working_dir"
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# fetch source images in parallel
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2020-03-25 14:39:25 +00:00
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fetch_once sun-raw.png \
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'http://simpleicon.com/wp-content/uploads/sun-64x64.png' &
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fetch_once moon-raw.png \
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'http://simpleicon.com/wp-content/uploads/moon__star-64x64.png' &
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fetch_once nightmap-raw.jpg \
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'https://eoimages.gsfc.nasa.gov/images/imagerecords/144000/144898/BlackMarble_2016_3km.jpg' &
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fetch_once daymap-raw.tif \
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'https://eoimages.gsfc.nasa.gov/images/imagerecords/57000/57752/land_shallow_topo_8192.tif' &
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2020-03-25 17:14:04 +00:00
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fetch_once mercury-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/2/2e/Mercury_symbol.svg' &
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fetch_once venus-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/6/66/Venus_symbol.svg' &
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fetch_once mars-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/b/b7/Mars_symbol.svg' &
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fetch_once jupiter-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/2/26/Jupiter_symbol.svg' &
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fetch_once saturn-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/7/74/Saturn_symbol.svg' &
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fetch_once uranus-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/f/f1/Uranus_symbol.svg' &
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fetch_once neptune-raw.svg \
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'https://upload.wikimedia.org/wikipedia/commons/4/47/Neptune_symbol.svg' &
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fetch_once krebs-raw.svg \
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'https://raw.githubusercontent.com/krebs/painload/master/cholerab/bling/krebs_aquarium.svg' &
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2020-03-25 14:39:25 +00:00
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fetch_older_min 720 ice-raw.jpg $(get_neo_url \
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'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=NISE_D') &
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fetch_older_days 3 snow-raw.jpg $(get_neo_url \
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'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MOD10C1_E_SNOW') &
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fetch_older_days 7 chlora-raw.jpg $(get_neo_url \
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'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MY1DMM_CHLORA') &
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fetch_older_days 3 fire-raw.jpg $(get_neo_url \
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'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MOD14A1_E_FIRE') &
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2020-03-23 12:05:43 +00:00
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# regular fetches
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fetch marker.json "$marker_url" &
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2020-03-24 09:12:23 +00:00
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2020-01-11 19:26:24 +00:00
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wait
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2020-03-23 12:05:55 +00:00
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# fetch clouds if they are older than 3h
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if ! test "$(find clouds-raw.png -mmin -180)"; then
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${pkgs.nomads-cloud}/bin/nomads-cloud clouds-raw.png
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fi
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2020-03-23 08:57:54 +00:00
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2020-03-25 14:39:25 +00:00
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check_type sun-raw.png image
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check_type moon-raw.png image
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2020-01-11 19:26:24 +00:00
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check_type nightmap-raw.jpg image
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2020-03-25 14:39:25 +00:00
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check_type daymap-raw.tif image
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check_type ice-raw.jpg image
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check_type snow-raw.jpg image
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check_type chlora-raw.jpg image
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check_type fire-raw.jpg image
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2020-03-23 08:57:54 +00:00
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check_type clouds-raw.png image
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2020-01-11 19:26:24 +00:00
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2020-03-25 17:14:04 +00:00
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check_type mercury-raw.svg image
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check_type venus-raw.svg image
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check_type mars-raw.svg image
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check_type jupiter-raw.svg image
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check_type saturn-raw.svg image
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check_type uranus-raw.svg image
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check_type neptune-raw.svg image
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check_type krebs-raw.svg image
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2020-03-25 14:39:25 +00:00
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in_size=3600x1800
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2020-03-25 18:12:18 +00:00
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xplanet_out_size=3200x2500
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out_geometry=3200x1800+100+350
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2020-01-11 19:26:24 +00:00
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for raw in \
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nightmap-raw.jpg \
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2020-03-25 14:39:25 +00:00
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daymap-raw.tif \
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snow-raw.jpg \
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2020-03-24 09:12:23 +00:00
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chlora-raw.jpg \
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2020-03-25 14:39:25 +00:00
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clouds-raw.png \
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2020-01-11 19:26:24 +00:00
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;
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do
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normal=''${raw%-raw.*}.png
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if needs_rebuild $normal $raw; then
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echo "make $normal; normalize $raw" >&2
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convert $raw -scale $in_size $normal
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fi
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done
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2020-03-25 14:39:25 +00:00
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# remove snow from ice map
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if needs_rebuild ice.png ice-raw.jpg; then
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convert ice-raw.jpg -fuzz 20% -fill black -opaque white -scale "$in_size" ice.png
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fi
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# make fire more red
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if needs_rebuild fire.png fire-raw.jpg; then
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convert fire-raw.jpg -fuzz 20% -fill '#ef840c' -opaque white -scale "$in_size" fire.png
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fi
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2020-03-24 09:12:23 +00:00
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if needs_rebuild sun.png sun-raw.png; then
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2020-03-25 17:14:04 +00:00
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convert sun-raw.png -fill gold -opaque black PNG64:sun.png
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2020-03-24 09:12:23 +00:00
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fi
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if needs_rebuild moon.png moon-raw.png; then
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2020-03-25 17:14:04 +00:00
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convert moon-raw.png -fill royalblue -opaque black PNG64:moon.png
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fi
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# -- Planets --
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if needs_rebuild mercury.png mercury-raw.svg; then
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sed -i 's/#000/#A6A6A6/g' mercury-raw.svg
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inkscape -z -e mercury.png -w 40 -h 40 mercury-raw.svg
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fi
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if needs_rebuild venus.png venus-raw.svg; then
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sed -i 's/#000/#C40B98/g' venus-raw.svg
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inkscape -z -e venus.png -w 40 -h 40 venus-raw.svg
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fi
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if needs_rebuild mars.png mars-raw.svg; then
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sed -i 's/#000/#E35A5C/g' mars-raw.svg
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inkscape -z -e mars.png -w 40 -h 40 mars-raw.svg
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fi
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if needs_rebuild jupiter.png jupiter-raw.svg; then
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sed -i 's/#000/#DEA182/g' jupiter-raw.svg
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inkscape -z -e jupiter.png -w 40 -h 40 jupiter-raw.svg
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fi
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if needs_rebuild saturn.png saturn-raw.svg; then
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sed -i 's/#000/#E4C282/g' saturn-raw.svg
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inkscape -z -e saturn.png -w 40 -h 40 saturn-raw.svg
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fi
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if needs_rebuild uranus.png uranus-raw.svg; then
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sed -i 's/#000/#97BCC2/g' uranus-raw.svg
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inkscape -z -e uranus.png -w 40 -h 40 uranus-raw.svg
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fi
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if needs_rebuild neptune.png neptune-raw.svg; then
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sed -i 's/#000/#274687/g' neptune-raw.svg
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inkscape -z -e neptune.png -w 40 -h 40 neptune-raw.svg
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fi
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if needs_rebuild krebs.png krebs-raw.svg; then
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inkscape -z -e krebs.png -w 16 -h 16 krebs-raw.svg
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2020-03-24 09:12:23 +00:00
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fi
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# -- Daymap --
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# merge with water chlora layer
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2020-03-25 14:39:25 +00:00
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if needs_rebuild daymap-final.png daymap.png fire.png snow.png ice.png chlora.png; then
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convert daymap.png fire.png -compose lighten -composite daymap-1.png
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convert daymap-1.png ice.png -compose lighten -composite daymap-2.png
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convert daymap-2.png snow.png -compose lighten -composite daymap-3.png
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convert daymap-3.png chlora.png -compose lighten -composite daymap-final.png
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2020-01-11 19:26:24 +00:00
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fi
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2020-03-25 14:39:25 +00:00
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# -- Nightmap --
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2020-03-23 12:05:43 +00:00
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2020-03-25 14:39:25 +00:00
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if needs_rebuild nightmap-final.png nightmap.png fire.png snow.png ice.png chlora.png; then
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convert nightmap.png fire.png -compose lighten -composite nightmap-1.png
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convert nightmap-1.png \( -fill black -colorize 70% ice.png \) -compose lighten -composite nightmap-2.png
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convert nightmap-2.png \( -fill black -colorize 70% snow.png \) -compose lighten -composite nightmap-3.png
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convert nightmap-3.png \( -fill black -colorize 70% chlora.png \) -compose lighten -composite nightmap-final.png
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2020-01-11 19:26:24 +00:00
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fi
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2020-03-25 17:14:04 +00:00
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# create marker file from json
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if [ -s marker.json ]; then
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jq -r 'to_entries[] | @json "\(.value.latitude) \(.value.longitude) image=krebs.png"' marker.json > marker_file
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echo 'position=sun image=sun.png' >> marker_file
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echo 'position=moon image=moon.png' >> marker_file
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echo 'position=mercury image=mercury.png' >> marker_file
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echo 'position=venus image=venus.png' >> marker_file
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echo 'position=mars image=mars.png' >> marker_file
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echo 'position=jupiter image=jupiter.png' >> marker_file
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echo 'position=uranus image=uranus.png' >> marker_file
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echo 'position=neptune image=neptune.png' >> marker_file
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fi
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2020-01-11 19:26:24 +00:00
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# rebuild every time to update shadow
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xplanet --num_times 1 --geometry $xplanet_out_size \
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--output xplanet-output.png --projection merc \
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-config ${pkgs.writeText "xplanet.config" ''
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[earth]
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"Earth"
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map=daymap-final.png
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night_map=nightmap-final.png
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2020-03-25 14:39:25 +00:00
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cloud_map=clouds.png
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2020-03-23 19:28:29 +00:00
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cloud_threshold=1
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cloud_gamma=2.5
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2020-01-11 19:26:24 +00:00
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shade=15
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''}
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xplanet --num_times 1 --geometry $xplanet_out_size \
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--output xplanet-krebs-output.png --projection merc \
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-config ${pkgs.writeText "xplanet-krebs.config" ''
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[earth]
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"Earth"
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map=daymap-final.png
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night_map=nightmap-final.png
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2020-03-25 14:39:25 +00:00
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cloud_map=clouds.png
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2020-03-23 19:28:29 +00:00
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cloud_threshold=1
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cloud_gamma=2.5
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2020-01-11 19:26:24 +00:00
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marker_file=marker_file
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shade=15
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''}
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# trim xplanet output
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if needs_rebuild realwallpaper.png xplanet-output.png; then
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convert xplanet-output.png -crop $out_geometry \
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realwallpaper-tmp.png
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mv realwallpaper-tmp.png realwallpaper.png
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fi
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if needs_rebuild realwallpaper-krebs.png xplanet-krebs-output.png; then
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convert xplanet-krebs-output.png -crop $out_geometry \
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realwallpaper-krebs-tmp.png
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mv realwallpaper-krebs-tmp.png realwallpaper-krebs.png
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fi
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}
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main "$@"
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''
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