GIS » Gisaf

h1.  TileServer 

"TileServer-gl":https://github.com/klokantech/tileserver-gl is a small node application that can serve vector tiles (mbtiles) for mapbox without the need for an external provider.

The maps Gisaf base layers (the definition file being located in @gisaf-app/src/app/map/base_styles.ts@) in can be parametered such that a base layer is hosted locally (see the gisaf config file).

h2. Install tileserver-gl-light

Unfortunately, it requires a much older version of node (6.x).

<pre>

export PATH=/usr/local/node-v6.14.3-linux-x64/bin:$PATH

npm install -g tileserver-gl-light

</pre>

h2. Download the mbtiles

From: https://openmaptiles.com/downloads/planet/ , and store the relevant one on the server's filesystem (eg. @/usr/local/2017-07-03_asia_india.mbtiles@)

h2. Service

A systemd service configuration file, in @/etc/systemd/system/tileserver-gl-light.service@:

<pre>

[Service]

ExecStart=/usr/bin/node /usr/lib/node_modules/tileserver-gl-light/src/main.js --cors true -c /etc/tileserver/conf.json

Restart=always

User=www-data

Group=www-data

Environment=NODE_ENV=production

[Install]

WantedBy=multi-user.target

</pre>

h2. Configuration

Eg, in @/etc/tileserver/conf.json@:

<pre>

{

  "options": {

    "paths": {

      "root": "",

      "sprites": "/usr/lib/node_modules/tileserver-gl-light/node_modules/tileserver-gl-styles/styles/osm-bright"

    },

    "domains": [

      "gis.auroville.org.in"

    ],

    "styles": {}

  },

  "data": {

    "india-vector": {

      "mbtiles": "/usr/local/2017-07-03_asia_india.mbtiles"

    }

  }

}

</pre>

h2. Run the service

<pre>

systemctl enable --now tileserver-gl-light.service

</pre>

h4. nginx proxy

In order the mbtiles to be served by tileserver, add in the nginx conf (adjust eventually):

<pre>

    location /tiles/ {

        proxy_pass http://127.0.0.1:8080/;

    }

</pre>