diff options
-rw-r--r-- | krebs/5pkgs/simple/grib2json/default.nix | 19 | ||||
-rw-r--r-- | krebs/5pkgs/simple/nomads-cloud/default.nix | 43 | ||||
-rw-r--r-- | krebs/5pkgs/simple/realwallpaper/default.nix | 12 | ||||
-rw-r--r-- | krebs/nixpkgs-unstable.json | 6 | ||||
-rw-r--r-- | krebs/nixpkgs.json | 6 |
5 files changed, 75 insertions, 11 deletions
diff --git a/krebs/5pkgs/simple/grib2json/default.nix b/krebs/5pkgs/simple/grib2json/default.nix new file mode 100644 index 000000000..2a7959a75 --- /dev/null +++ b/krebs/5pkgs/simple/grib2json/default.nix @@ -0,0 +1,19 @@ +{ stdenv, fetchzip, makeWrapper, jre }: + +stdenv.mkDerivation { + name = "grib2json"; + src = fetchzip { + url = "https://github.com/krebs/grib2json-bin/archive/31efe677b40fe491c988d50f96b59b1b7e2d46f7.zip"; + sha256 = "1h3yxg270bvac7kaqsbsv4f8nln1i03rfz4cm8cp7llhjj3s6a6b"; + }; + installPhase = '' + mkdir -p $out/bin + cp -r lib $out/ + cat > $out/bin/grib2json << EOF + #!/bin/sh + set -x + ${jre}/bin/java -jar $out/lib/grib2json-0.8.0-SNAPSHOT.jar "\$@" + EOF + chmod +x $out/bin/grib2json + ''; +} diff --git a/krebs/5pkgs/simple/nomads-cloud/default.nix b/krebs/5pkgs/simple/nomads-cloud/default.nix new file mode 100644 index 000000000..2af74dc44 --- /dev/null +++ b/krebs/5pkgs/simple/nomads-cloud/default.nix @@ -0,0 +1,43 @@ +{ writers, coreutils, grib2json, curl, jq, findutils, imagemagick }: +writers.writeDashBin "nomads-cloud" '' + prefix=$(mktemp -d) + grib_path=$prefix.grib + json_path=$prefix.json + pgm_path=$prefix.pgm + png_path="$1" + + mkdir -p "$prefix" + + date=$(${coreutils}/bin/date +%Y%m%d) + for hour in 18 12 06 00; do + url="https://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p25_1hr.pl?file=gfs.t''${hour}z.pgrb2.0p25.anl&lev_entire_atmosphere_%5C%28considered_as_a_single_layer%5C%29=on&var_CWAT=on&leftlon=-180&rightlon=180&toplat=90&bottomlat=-90&dir=%2Fgfs.$date%2F$hour" + ${curl}/bin/curl -fsS "$url" > "$grib_path" + if [ "$?" -eq 0 ]; then + break + fi + done + ${grib2json}/bin/grib2json --data "$grib_path" > "$json_path" + + width=$(${jq}/bin/jq '.[0].header.nx' < "$json_path") + height=$(${jq}/bin/jq '.[0].header.ny' < "$json_path") + + # The maximum gray value. Must be bigger than 0 and less than 65536. + maxval=256 + + # pgm - Netpbm grayscale image format + # http://netpbm.sourceforge.net/doc/pgm.html + { + echo P2 + echo "$width $height" + echo "$maxval" + cat "$json_path" | + ${jq}/bin/jq --argjson maxval "$maxval" -c ' + .[0].data[] * $maxval | round + ' | + ${findutils}/bin/xargs -n "$width" + } > "$pgm_path" + + ${imagemagick}/bin/convert -roll +50% "$pgm_path" "$png_path" + + rm -r "$prefix" +'' diff --git a/krebs/5pkgs/simple/realwallpaper/default.nix b/krebs/5pkgs/simple/realwallpaper/default.nix index ef83d2e59..b46cf08c1 100644 --- a/krebs/5pkgs/simple/realwallpaper/default.nix +++ b/krebs/5pkgs/simple/realwallpaper/default.nix @@ -1,5 +1,5 @@ { pkgs, ... }: -pkgs.writeDashBin "generate-wallpaper" '' +pkgs.writers.writeDashBin "generate-wallpaper" '' set -euf # usage: getimg FILENAME URL @@ -68,15 +68,15 @@ pkgs.writeDashBin "generate-wallpaper" '' "$nightmap_url" & fetch daymap-raw.png \ "$daymap_url" & - fetch clouds-raw.jpg \ - "$cloudmap_url" & fetch marker.json \ "$marker_url" & wait + ${pkgs.nomads-cloud}/bin/nomads-cloud clouds-raw.png + check_type nightmap-raw.jpg image check_type daymap-raw.png image - check_type clouds-raw.jpg image + check_type clouds-raw.png image in_size=2048x1024 xplanet_out_size=1466x1200 @@ -87,7 +87,7 @@ pkgs.writeDashBin "generate-wallpaper" '' for raw in \ nightmap-raw.jpg \ daymap-raw.png \ - clouds-raw.jpg \ + clouds-raw.png \ ; do normal=''${raw%-raw.*}.png @@ -128,6 +128,8 @@ pkgs.writeDashBin "generate-wallpaper" '' # 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=subsolar.png transparent={255,255,255}' >> marker_file + echo 'position=moon image=sublunar.png transparent={255,255,255}' >> marker_file fi # make all unmodified files as final diff --git a/krebs/nixpkgs-unstable.json b/krebs/nixpkgs-unstable.json index 1600d6f4a..847e3c61e 100644 --- a/krebs/nixpkgs-unstable.json +++ b/krebs/nixpkgs-unstable.json @@ -1,7 +1,7 @@ { "url": "https://github.com/NixOS/nixpkgs-channels", - "rev": "55beed9922c2f6b030af61ca7e33bd47850c68f2", - "date": "2020-02-26T03:53:16-05:00", - "sha256": "0jxkb3bl7axa6vmfsfdfx4mxv6wx0pc8iiwgrw2qh8wxhlhbylks", + "rev": "d96bd3394b734487d1c3bfbac0e8f17465e03afe", + "date": "2020-03-19T15:32:34+01:00", + "sha256": "05n27wz5ln9ni5cy5rhjcy612i44gmblkq5m0g827v8pd0nk00da", "fetchSubmodules": false } diff --git a/krebs/nixpkgs.json b/krebs/nixpkgs.json index e0b37d1fc..c5665a70a 100644 --- a/krebs/nixpkgs.json +++ b/krebs/nixpkgs.json @@ -1,7 +1,7 @@ { "url": "https://github.com/NixOS/nixpkgs-channels", - "rev": "b7bbc6d37878ed00b6467b574b02e840279f7d3d", - "date": "2020-02-26T11:51:29+01:00", - "sha256": "02q10jgi6m0vak3amb50ifw1pj82i17hs0npdkig7lsp8w3is7jq", + "rev": "bf7c0f0461e047bec108a5c5d5d1b144289a65ba", + "date": "2020-03-17T13:04:05+00:00", + "sha256": "01dsh9932x6xcba2p0xg4n563b85i3p7s2sakj7yf2ws8pgmwhq9", "fetchSubmodules": false } |