diff options
Diffstat (limited to 'util/bin')
| -rwxr-xr-x | util/bin/make-realwallpaper | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/util/bin/make-realwallpaper b/util/bin/make-realwallpaper new file mode 100755 index 00000000..a195b5f1 --- /dev/null +++ b/util/bin/make-realwallpaper @@ -0,0 +1,199 @@ +#!/bin/sh +set -euf + +###### USAGE ##### +#run in new directory(will be polluted with images +#just run ./make-realwallpaper + +main() { + # fetch source images in parallel + #fetch nightmap-old-raw.jpg \ + # http://awka.sourceforge.net/Night_le_huge.jpg & + fetch nightmap-raw.jpg \ + http://www.zeitnews.org/sites/default/files/users/20/article_slideshow_images/nasa-noaa-satellite-reveals-new-views-earth-night-1354814354_0.jpg & + fetch daymap-raw.png \ + http://www.nnvl.noaa.gov/images/globaldata/SnowIceCover_Daily.png & + fetch clouds-raw.jpg \ + http://user.chol.com/~winxplanet/cloud_data/clouds_2048.jpg & + fetch krebs.sat.tle \ + http://www.celestrak.com/NORAD/elements/stations.txt + wait + + #check_type nightmap-old-raw.jpg image + check_type nightmap-raw.jpg image + check_type daymap-raw.png image + check_type clouds-raw.jpg image + + in_size=1466x1200 + out_geometry=1366x768+100+160 + + nightsnow_color='#0c1a49' # nightmap + #nightsnow_color='#0a3b5c' # nightmap-old + + # normalize *-raw.* to *.png + #nightmap-old-raw.jpg + for raw in \ + nightmap-raw.jpg \ + daymap-raw.png \ + clouds-raw.jpg \ + ; + do + normal=${raw%-raw.*}.png + needs_rebuild $normal $raw || continue + echo "make $normal; normalize $raw" >&2 + convert $raw -scale $in_size $normal + done + + # create nightmap-fullsnow + needs_rebuild nightmap-fullsnow.png \ + && convert -size $in_size xc:$nightsnow_color nightmap-fullsnow.png + + # extract daymap-snowmask from daymap-final + needs_rebuild daymap-snowmask.png \ + daymap.png \ + && convert daymap.png -threshold 95% daymap-snowmask.png + + # extract nightmap-lightmask from nightmap + needs_rebuild nightmap-lightmask.png \ + nightmap.png \ + && convert nightmap.png -threshold 25% nightmap-lightmask.png + + # 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.png + # nightmap-old.png + + # make all unmodified files as final + for normal in \ + daymap.png \ + clouds.png \ + ; + do + final=${normal%.png}-final.png + needs_rebuild $final && + ln $normal $final + done + + # create xplanet output + cat >xplanet.config <<EOF +[earth] +"Earth" +map=daymap-final.png +night_map=nightmap-final.png +cloud_map=clouds-final.png +cloud_threshold=10 +shade=15 +EOF + + # create xplanet output satellite version + cat >xplanet-sat.config <<EOF +[earth] +"Earth" +map=daymap-final.png +night_map=nightmap-final.png +cloud_map=clouds-final.png +satellite_file=krebs.sat +cloud_threshold=10 +shade=15 +EOF + + needs_rebuild krebs.sat \ + && cat >krebs.sat <<EOF +25544 "ISS" Image=none trail={orbit,-2,2,1} color=grey thickness=1 fontsize=10 +37820 "T1" Image=none trail={orbit,-2,2,1} color=grey thickness=1 fontsize=10 +39175 "ATV-4" Image=none trail={orbit,-2,2,1} color=grey thickness=1 fontsize=10 +39258 "CYG" Image=none trail={orbit,-2,2,1} color=grey thickness=1 fontsize=10 +EOF + + needs_rebuild krebs.mar \ + && cat >krebs.mar <<EOF +EOF + + # rebuild every time to update shadow + xplanet --num_times 1 --geometry $in_size \ + --output xplanet-output.png --projection merc -config xplanet.config + + # rebuild everytime satellite version + xplanet --num_times 1 --geometry $in_size \ + --output xplanet-sat-output.png --projection merc -config xplanet-sat.config + + # trim xplanet output + needs_rebuild realwallpaper.png \ + xplanet-output.png \ + && convert xplanet-output.png -crop $out_geometry realwallpaper.png + + # trim xplanet-sat output + needs_rebuild realwallpaper-sat.png \ + xplanet-sat-output.png \ + && convert xplanet-sat-output.png -crop $out_geometry realwallpaper-sat.png +} + +# usage: getimg FILENAME URL +fetch() { + echo "fetch $1" + curl -sS -z "$1" -o "$1" "$2" +} + +# usage: check_type FILENAME TYPE +check_type() { + if ! file -ib "$1" | grep -q "^$2/"; then + echo "$1 is not of type $2" >&2 + rm "$1" + return 1 + fi +} + +# usage: image_size FILENAME +image_size() { + identify "$1" | awk '{print$3}' +} + +# usage: make_mask DST SRC MASK +make_layer() { + if needs_rebuild "$@"; then + echo "make $1 (apply mask)" >&2 + convert "$2" "$3" -alpha off -compose copy_opacity -composite "$1" + fi +} + +# usage: flatten DST HILAYER LOLAYER +flatten() { + if needs_rebuild "$@"; then + echo "make $1 (flatten)" >&2 + composite "$2" "$3" "$1" + fi +} + +# usage: needs_rebuild DST SRC... +needs_rebuild() { + a="$1" + shift + if ! test -e "$a"; then + #echo " $a does not exist" >&2 + result=0 + else + result=1 + for b; do + if test "$b" -nt "$a"; then + #echo " $b is newer than $a" >&2 + result=0 + fi + done + fi + #case $result in + # 0) echo "$a needs rebuild" >&2;; + #esac + return $result +} + + +main "$@" |