by mapnik

mapnik /node-mapnik

Bindings to mapnik for node.js

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Bindings to Mapnik for node.


Build Status Coverage Status


Render a map from a stylesheet:

var mapnik = require('mapnik');
var fs = require('fs');

// register fonts and datasource plugins mapnik.register_default_fonts(); mapnik.register_default_input_plugins();

var map = new mapnik.Map(256, 256); map.load('./test/stylesheet.xml', function(err,map) { if (err) throw err; map.zoomAll(); var im = new mapnik.Image(256, 256); map.render(im, function(err,im) { if (err) throw err; im.encode('png', function(err,buffer) { if (err) throw err; fs.writeFile('map.png',buffer, function(err) { if (err) throw err; console.log('saved map image to map.png'); }); }); }); });

Convert a jpeg image to a png:

var mapnik = require('mapnik');

Convert a shapefile to GeoJSON:

var mapnik = require('mapnik');
var ds = new mapnik.Datasource({type:'shape',file:'test/data/world_merc.shp'});
var featureset = ds.featureset()
var geojson = {
  "type": "FeatureCollection",
  "features": [
var feat =;
while (feat) {
    feat =;

For more sample code see the tests and sample code.



Node.js C++ minimum requirements OS versions
Mac v0.10.x, v4, v6, v8 C++11 Mac OS X > 10.10
Linux v0.10.x, v4, v6, v8 C++11 Ubuntu Linux > 16.04 or other Linux distributions with g++ >= 5 toolchain (>= GLIBCXX_3.4.21 from libstdc++)
Windows v0.10.x, v4, v6, v8 C++11 See the Windows requirements section

An installation error like below indicates your system does not have a modern enough libstdc++/gcc-base toolchain:

Error: /usr/lib/x86_64-linux-gnu/ version GLIBCXX_3.4.21 not found (required by /node_modules/osrm/lib/binding/osrm.node)

If you are running Ubuntu older than 16.04 you can easily upgrade your libstdc++ version like:

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update -y
sudo apt-get install -y libstdc++-5-dev

To upgrade libstdc++ on travis (without sudo) you can do:

language: cpp

sudo: false

addons: apt: sources: - ubuntu-toolchain-r-test packages: - libstdc++-5-dev # upgrade libstdc++ on linux to support C++11


With npm

Just do:

npm install mapnik

Note: This will install the latest node-mapnik 3.x series, which is recommended. There is also an 1.x series which maintains API compatibility with Mapnik 2.3.x and 2.2.x and a v0.7.x series which is not recommended unless you need to support Mapnik 2.1 or older.

By default, binaries are provided for:

On those platforms no external dependencies are needed.

Other platforms will fall back to a source compile: see Source Build for details.

Binaries started being provided at node-mapnik >= 1.4.2 for OSX and Linux and at 1.4.8 for Windows. After 3.6.2 no Windows binaries are provided.

Windows specific

NOTE: Windows binaries for the 3.x series require the Visual C++ Redistributable Packages for Visual Studio 2015:

See for more details.

The 1.x series require the Visual C++ Redistributable Packages for Visual Studio 2013:


Source Build

There are two ways to build from source. These work on both OS X and Linux:

  • A) Against a binary package from Mapnik from mason
  • B) Against an existing version of Mapnik on your system


is recommended. You do not need to have Mapnik installed already, so this is the easiest and most predictable approach. When you use the route a binary package of Mapnik is downloaded dynamically from mason.

You can invoke this method simply by running:

make release

Or, for debug builds:

make debug

If you want to do a full rebuild do:

make distclean

And then re-run the build:

make release


is also possible, if you would like to build node-mapnik against an external, already installed Mapnik version.

In this case you need to have a Mapnik version installed that is at least as recent as the

property in the
for the branch of node-mapnik you want to build.

And you need to have the

program is available and on your

Then run (within the cloned

make release_base


make debug_base

for release and debug builds, respectively.

Note on SSE:

By default node mapnik is built with SSE support. If you are building on a platform that is not

you will need to disable feature by setting the environment variable
SSE_MATH=false make

Building against Mapnik 3.0.x


branch of node-mapnik is not compatible with
series of Mapnik. To build against Mapnik 3.0.x, use

Using node-mapnik from your node app

To require node-mapnik as a dependency of another package put in your package.json:

"dependencies"  : { "mapnik":"*" } // replace * with a given semver version string


To run the tests do:

npm test


BSD, see LICENSE.txt

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