diff --git a/pkgs/data/maps/dem/default.nix b/pkgs/data/maps/dem/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..2b2bb66ec920643e5229c2b8e3b8cf9cfe85cb33

--- /dev/null

+++ b/pkgs/data/maps/dem/default.nix

@@ -0,0 +1,32 @@

+{ stdenv, fetchurl, unzip, gdal }:

+let

• dem1 = builtins.fromJSON (builtins.readFile ./dem1.json);

+in

+stdenv.mkDerivation {

• pname = "dem";

• version = "2014-05-25";

• srcs = stdenv.lib.mapAttrsToList (name: spec: fetchurl spec) dem1;

• unpackPhase = "for src in $srcs; do ${unzip}/bin/unzip $src; done";

• dontConfigure = true;

• dontBuild = true;

• dontFixup = true;

• preferLocalBuild = true;

• installPhase = ''

• install -Dm644 **/*.hgt -t $out

• ${gdal}/bin/gdalbuildvrt $out/SRTM.vrt $out/*.hgt

• '';

• meta = with stdenv.lib; {

• description = "Digital Elevation Data";

• homepage = "http://www.viewfinderpanoramas.org/";

• license = licenses.free;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.all;

• skip.ci = true;

• };

+}

diff --git a/pkgs/data/maps/dem/dem1.json b/pkgs/data/maps/dem/dem1.json

new file mode 100644

index 0000000000000000000000000000000000000000..f949f59f75109a98a951b7e808f9f5a1f719080d

--- /dev/null

+++ b/pkgs/data/maps/dem/dem1.json

@@ -0,0 +1,46 @@

+{

• "R34": {

• "url": "http://viewfinderpanoramas.org/dem1/R34.zip",

• "sha256": "0bd57zdhj16yg4cxjicc353jh3vd61f994ciw1jd0nmm6856banz"

• },

• "R35": {

• "url": "http://viewfinderpanoramas.org/dem1/R35.zip",

• "sha256": "0zha36s96i5jbqvmfc4lgsbd8xs20ynqzydkanzb3rfygrnd6l5f"

• },

• "R36": {

• "url": "http://viewfinderpanoramas.org/dem1/R36.zip",

• "sha256": "0c7m3wl2crid7vmiz2zzj0j0b6vsh174mdnr3rkbjfwpnxhkil34"

• },

• "Q34": {

• "url": "http://viewfinderpanoramas.org/dem1/Q34.zip",

• "sha256": "0371kqy9k9g9118fcp1afs932w67drpxjwyrij8dsdns5bi6llls"

• },

• "Q35": {

• "url": "http://viewfinderpanoramas.org/dem1/Q35.zip",

• "sha256": "0lvm43v03i80v6b9phwbd3mdhqi6y2iklgp4cc0qx56pg7z6wdaa"

• },

• "Q36": {

• "url": "http://viewfinderpanoramas.org/dem1/Q36.zip",

• "sha256": "1l05ljhxdyh2lb5ydlr4xfjbx4lvg6g2a2fg097yqhw95n3xxqv1"

• },

• "P34": {

• "url": "http://viewfinderpanoramas.org/dem1/P34.zip",

• "sha256": "0njk4svh7gq6ashda1aqy55aj3x25xl1f3ykj1jmy0kl5k9zz8z1"

• },

• "P35": {

• "url": "http://viewfinderpanoramas.org/dem1/P35.zip",

• "sha256": "093zz7yx8kcykip83k8gzby9l6lx03nsvzjw21axjlbd48fl26ac"

• },

• "P36": {

• "url": "http://viewfinderpanoramas.org/dem1/P36.zip",

• "sha256": "15icmvc2md6g9a89ln4ckkclynfhcf21yabfcr7azp7ivy23f46i"

• },

• "O34": {

• "url": "http://viewfinderpanoramas.org/dem1/O34.zip",

• "sha256": "0gaxkfam9bf5my5i3ivvpm32y866cyd0lz2j6h535xqjza5w374n"

• },

• "O35": {

• "url": "http://viewfinderpanoramas.org/dem1/O35.zip",

• "sha256": "0wc5l7vcm33qkmbmjaij2mkxv59922150qjabjhhxqaf7xxv3q65"

• }

+}

diff --git a/pkgs/data/maps/gpxsee-dem/default.nix b/pkgs/data/maps/gpxsee-dem/default.nix

deleted file mode 100644

index ad8b518aef8157dec6fa7f8f10a9bec75902edad..0000000000000000000000000000000000000000

--- a/pkgs/data/maps/gpxsee-dem/default.nix

+++ /dev/null

@@ -1,59 +0,0 @@

-{ stdenv, fetchurl, unzip }:

-stdenv.mkDerivation {

• pname = "gpxsee-dem";

• version = "2014-05-25";

• srcs = [

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/O35.zip";
  

•    sha256 = "0wc5l7vcm33qkmbmjaij2mkxv59922150qjabjhhxqaf7xxv3q65";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/P35.zip";
  

•    sha256 = "093zz7yx8kcykip83k8gzby9l6lx03nsvzjw21axjlbd48fl26ac";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/P36.zip";
  

•    sha256 = "15icmvc2md6g9a89ln4ckkclynfhcf21yabfcr7azp7ivy23f46i";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/Q35.zip";
  

•    sha256 = "0lvm43v03i80v6b9phwbd3mdhqi6y2iklgp4cc0qx56pg7z6wdaa";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/Q36.zip";
  

•    sha256 = "1l05ljhxdyh2lb5ydlr4xfjbx4lvg6g2a2fg097yqhw95n3xxqv1";
  

•  }
  

• )

• ];

• unpackPhase = "for src in $srcs; do ${unzip}/bin/unzip $src; done";

• dontConfigure = true;

• dontBuild = true;

• preferLocalBuild = true;

• installPhase = ''

• install -Dm644 **/*.hgt -t $out/share/gpxsee/DEM

• '';

• meta = with stdenv.lib; {

• description = "Digital Elevation Data";

• homepage = "http://www.viewfinderpanoramas.org/";

• license = licenses.free;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.all;

• skip.ci = true;

• };

-}

diff --git a/pkgs/data/maps/qmapshack-dem/default.nix b/pkgs/data/maps/qmapshack-dem/default.nix

deleted file mode 100644

index b2a9388559128a5261dc04e39bf1483711f0150b..0000000000000000000000000000000000000000

--- a/pkgs/data/maps/qmapshack-dem/default.nix

+++ /dev/null

@@ -1,60 +0,0 @@

-{ stdenv, fetchurl, unzip, gdal }:

-stdenv.mkDerivation {

• pname = "qmapshack-dem";

• version = "2014-05-25";

• srcs = [

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/O35.zip";
  

•    sha256 = "0wc5l7vcm33qkmbmjaij2mkxv59922150qjabjhhxqaf7xxv3q65";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/P35.zip";
  

•    sha256 = "093zz7yx8kcykip83k8gzby9l6lx03nsvzjw21axjlbd48fl26ac";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/P36.zip";
  

•    sha256 = "15icmvc2md6g9a89ln4ckkclynfhcf21yabfcr7azp7ivy23f46i";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/Q35.zip";
  

•    sha256 = "0lvm43v03i80v6b9phwbd3mdhqi6y2iklgp4cc0qx56pg7z6wdaa";
  

•  }
  

• )

• (

•  fetchurl {
  

•    url = "http://viewfinderpanoramas.org/dem1/Q36.zip";
  

•    sha256 = "1l05ljhxdyh2lb5ydlr4xfjbx4lvg6g2a2fg097yqhw95n3xxqv1";
  

•  }
  

• )

• ];

• unpackPhase = "for src in $srcs; do ${unzip}/bin/unzip $src; done";

• dontConfigure = true;

• dontBuild = true;

• preferLocalBuild = true;

• installPhase = ''

• install -Dm644 **/*.hgt -t $out/share/qmapshack/DEM

• ${gdal}/bin/gdalbuildvrt $out/share/qmapshack/DEM/SRTM3.vrt $out/share/qmapshack/DEM/*.hgt

• '';

• meta = with stdenv.lib; {

• description = "Digital Elevation Data";

• homepage = "http://www.viewfinderpanoramas.org/";

• license = licenses.free;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.all;

• skip.ci = true;

• };

-}

diff --git a/pkgs/default.nix b/pkgs/default.nix

index 9e4c1a6e57f74c0e0f2a6aeba64eb6148345f2e1..8549c6f16db8a6ac2bfa1de18463e7afbcaffd3e 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -52,8 +52,8 @@ wiktionary = callPackage ./data/dicts/wiktionary { };

 gpsmap64 = callPackage ./data/firmwares/gpsmap64 { };

• dem = callPackage ./data/maps/dem { };

 freizeitkarte-osm = callPackage ./data/maps/freizeitkarte-osm { };

• gpxsee-dem = callPackage ./data/maps/gpxsee-dem { };

 gpxsee-maps = callPackage ./data/maps/gpxsee-maps { };

 gpxsee-poi = callPackage ./data/maps/gpxsee-poi { };

 hiblovgpsmap = callPackage ./data/maps/hiblovgpsmap { };

@@ -62,7 +62,6 @@ mtk-suomi = callPackage ./data/maps/mtk-suomi { };

 opentopomap = callPackage ./data/maps/opentopomap { };

 qmapshack-onlinemaps = callPackage ./data/maps/qmapshack-onlinemaps { };

 qmapshack-routinodb = callPackage ./data/maps/qmapshack-routinodb { };

• qmapshack-dem = callPackage ./data/maps/qmapshack-dem { };

 slazav-hr = callPackage ./data/maps/slazav/hr.nix { };

 slazav-podm = callPackage ./data/maps/slazav/podm.nix { };