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realwallpaper: redesign with new image sources

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This commit is contained in:
lassulus 2020-03-25 15:39:25 +01:00
parent 4337f9dbce
commit c76f161894
2 changed files with 72 additions and 108 deletions
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18
krebs/3modules/realwallpaper.nix
View File

@ -17,21 +17,6 @@ let
default = "/var/realwallpaper/";
};
nightmap = mkOption {
type = types.str;
default = "http://eoimages.gsfc.nasa.gov/images/imagerecords/55000/55167/earth_lights_lrg.jpg";
};
daymap = mkOption {
type = types.str;
default = "https://www.nnvl.noaa.gov/images/globaldata/SnowIceCover_Daily.png";
};
cloudmap = mkOption {
type = types.str;
default = "http://home.megapass.co.kr/~holywatr/cloud_data/clouds_2048.jpg";
};
marker = mkOption {
type = types.str;
default = "http://graph.r/marker.json";
@ -67,9 +52,6 @@ let
environment = {
working_dir = cfg.workingDir;
nightmap_url = cfg.nightmap;
daymap_url = cfg.daymap;
cloudmap_url = cfg.cloudmap;
marker_url = cfg.marker;
};

162
krebs/5pkgs/simple/realwallpaper/default.nix
View File

@ -17,24 +17,28 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
fi
}
# usage: image_size FILENAME
image_size() {
identify "$1" | awk '{print$3}'
# check if file exists and fetch only if missing
fetch_once() {
name=$1
url=$2
test -e "$name" || fetch "$name" "$url"
}
# usage: make_mask DST SRC MASK
make_layer() {
if needs_rebuild "$@"; then
echo "make $1 (apply mask)" >&2
convert "$2" "$3" -alpha off -compose copy_opacity -composite "$1"
fetch_older_min() {
min=$1
name=$2
url=$3
if ! test "$(find $name -mmin -$min)"; then
fetch "$name" "$url"
fi
}
# usage: flatten DST HILAYER LOLAYER
flatten() {
if needs_rebuild "$@"; then
echo "make $1 (flatten)" >&2
composite "$2" "$3" "$1"
fetch_older_days() {
days=$1
name=$2
url=$3
if ! test "$(find $name -mmin -$days)"; then
fetch "$name" "$url"
fi
}
@ -60,35 +64,36 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
return $result
}
get_neo_url() {
url=$1
curl -Ss "$url" | grep '3600 x 1800' | sed 's/.*href="\([^"]*\)".*/\1/'
}
main() {
cd "$working_dir"
# fetch source images in parallel
# fetch basic images which should not change
test -e nightmap-raw.jpg || fetch nightmap-raw.jpg "$nightmap_url" &
test -e sun-raw.png || fetch sun-raw.png \
"http://simpleicon.com/wp-content/uploads/sun-64x64.png" &
fetch_once sun-raw.png \
'http://simpleicon.com/wp-content/uploads/sun-64x64.png' &
fetch_once moon-raw.png \
'http://simpleicon.com/wp-content/uploads/moon__star-64x64.png' &
fetch_once nightmap-raw.jpg \
'https://eoimages.gsfc.nasa.gov/images/imagerecords/144000/144898/BlackMarble_2016_3km.jpg' &
fetch_once daymap-raw.tif \
'https://eoimages.gsfc.nasa.gov/images/imagerecords/57000/57752/land_shallow_topo_8192.tif' &
test -e moon-raw.png || fetch moon-raw.png \
"http://simpleicon.com/wp-content/uploads/moon__star-64x64.png" &
fetch_older_min 720 ice-raw.jpg $(get_neo_url \
'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=NISE_D') &
fetch_older_days 3 snow-raw.jpg $(get_neo_url \
'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MOD10C1_E_SNOW') &
fetch_older_days 7 chlora-raw.jpg $(get_neo_url \
'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MY1DMM_CHLORA') &
fetch_older_days 3 fire-raw.jpg $(get_neo_url \
'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MOD14A1_E_FIRE') &
# regular fetches
fetch marker.json "$marker_url" &
# fetch daymap twice daily
if ! test "$(find daymap-raw.png -mmin -720)"; then
fetch daymap-raw.png "$daymap_url" &
fi
# fetch cholrophyl once every week
chlora_url=$(curl -Ss \
'https://neo.sci.gsfc.nasa.gov/view.php?datasetId=MY1DMM_CHLORA&date=2999-12-31' \
| grep '3600 x 1800' | sed 's/.*href="\([^"]*\)".*/\1/')
if ! test "$(find chlora-raw.jpg -mtime -7)"; then
fetch chlora-raw.jpg "$chlora_url" &
fi
wait
# fetch clouds if they are older than 3h
@ -96,21 +101,26 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
${pkgs.nomads-cloud}/bin/nomads-cloud clouds-raw.png
fi
check_type sun-raw.png image
check_type moon-raw.png image
check_type nightmap-raw.jpg image
check_type daymap-raw.png image
check_type daymap-raw.tif image
check_type ice-raw.jpg image
check_type snow-raw.jpg image
check_type chlora-raw.jpg image
check_type fire-raw.jpg image
check_type clouds-raw.png image
in_size=2048x1024
in_size=3600x1800
xplanet_out_size=1466x1200
out_geometry=1366x768+100+160
nightsnow_color='#0c1a49' # nightmap
for raw in \
nightmap-raw.jpg \
daymap-raw.png \
clouds-raw.png \
daymap-raw.tif \
snow-raw.jpg \
chlora-raw.jpg \
clouds-raw.png \
;
do
normal=''${raw%-raw.*}.png
@ -120,6 +130,16 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
fi
done
# remove snow from ice map
if needs_rebuild ice.png ice-raw.jpg; then
convert ice-raw.jpg -fuzz 20% -fill black -opaque white -scale "$in_size" ice.png
fi
# make fire more red
if needs_rebuild fire.png fire-raw.jpg; then
convert fire-raw.jpg -fuzz 20% -fill '#ef840c' -opaque white -scale "$in_size" fire.png
fi
if needs_rebuild sun.png sun-raw.png; then
convert sun-raw.png -fill gold -opaque black -resize 50% PNG64:sun.png
fi
@ -131,60 +151,22 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
# -- Daymap --
# merge with water chlora layer
convert daymap.png chlora.png -compose lighten -composite daymap-final.png
if needs_rebuild daymap-final.png daymap.png fire.png snow.png ice.png chlora.png; then
convert daymap.png fire.png -compose lighten -composite daymap-1.png
convert daymap-1.png ice.png -compose lighten -composite daymap-2.png
convert daymap-2.png snow.png -compose lighten -composite daymap-3.png
convert daymap-3.png chlora.png -compose lighten -composite daymap-final.png
fi
# -- Nightmap --
# merge with water chlora layer
convert nightmap.png \( -fill black -colorize 70% chlora.png \) \
-compose lighten -composite nightmap-chlora.png
# create nightmap-fullsnow, a big blue picture
if needs_rebuild nightmap-fullsnow.png; then
convert -size $in_size xc:$nightsnow_color nightmap-fullsnow.png
if needs_rebuild nightmap-final.png nightmap.png fire.png snow.png ice.png chlora.png; then
convert nightmap.png fire.png -compose lighten -composite nightmap-1.png
convert nightmap-1.png \( -fill black -colorize 70% ice.png \) -compose lighten -composite nightmap-2.png
convert nightmap-2.png \( -fill black -colorize 70% snow.png \) -compose lighten -composite nightmap-3.png
convert nightmap-3.png \( -fill black -colorize 70% chlora.png \) -compose lighten -composite nightmap-final.png
fi
# extract daymap-snowmask from daymap-final
if needs_rebuild daymap-snowmask.png daymap.png; then
convert daymap.png -threshold 95% daymap-snowmask.png
fi
# extract nightmap-lightmask from nightmap
if needs_rebuild nightmap-lightmask.png nightmap.png; then
convert nightmap.png -threshold 25% nightmap-lightmask.png
fi
# create layers
make_layer nightmap-snowlayer.png nightmap-fullsnow.png daymap-snowmask.png
make_layer nightmap-lightlayer.png nightmap.png nightmap-lightmask.png
# apply layers
flatten nightmap-lightsnowlayer.png \
nightmap-lightlayer.png \
nightmap-snowlayer.png
flatten nightmap-final.png \
nightmap-lightsnowlayer.png \
nightmap-chlora.png
# create marker file from json
if [ -s marker.json ]; then
jq -r 'to_entries[] | @json "\(.value.latitude) \(.value.longitude)"' marker.json > marker_file
echo 'position=sun image=sun.png' >> marker_file
echo 'position=moon image=moon.png' >> marker_file
fi
# make all unmodified files as final
for normal in \
clouds.png \
;
do
final=''${normal%.png}-final.png
needs_rebuild $final &&
ln $normal $final
done
# rebuild every time to update shadow
xplanet --num_times 1 --geometry $xplanet_out_size \
--output xplanet-output.png --projection merc \
@ -193,7 +175,7 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
"Earth"
map=daymap-final.png
night_map=nightmap-final.png
cloud_map=clouds-final.png
cloud_map=clouds.png
cloud_threshold=1
cloud_gamma=2.5
shade=15
@ -206,7 +188,7 @@ pkgs.writers.writeDashBin "generate-wallpaper" ''
"Earth"
map=daymap-final.png
night_map=nightmap-final.png
cloud_map=clouds-final.png
cloud_map=clouds.png
cloud_threshold=1
cloud_gamma=2.5
marker_file=marker_file