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

var port = 8000;

http.createServer(function (req, res) {
  var map = new mapnik.Map(256,256);
  map.load("./examples/stylesheet.xml");
  map.zoom_all();
  map.render(map.extent(),"png",function(err,buffer){
      if (err) {
        res.writeHead(500, {'Content-Type':'text/plain'});
        res.end(err.message);
      } else {
        res.writeHead(200, {'Content-Type':'image/png'});
        res.end(buffer);
      }
  });
}).listen(port);

$ git clone git://github.com/mapnik/node-mapnik.git
$ cd node-mapnik
$ ./configure
$ make
$ sudo make install
$ node test.js

export NODE_PATH=/usr/local/lib/node/

$ npm install mapnik

$ examples/render.js examples/stylesheet.xml map.png