Geo2rect test using nmap

Test using geo2rect and nmap. Dont know how to use nmap to extract a well-look grid.
Now I'm taking those coordinates from the bounding box of each map path but obviously there are some space betweet rects. Any idea?
The map shows the districts of Madrid, Spain.

<!DOCTYPE html>
<meta charset="utf-8">
<style>

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

path{
  fill:transparent;
  stroke:rgba(0,0,0,1);
}

.class-4 circle{
  fill:red;
}

</style>
<body>
  <script src="affinetransform.js"></script>
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="https://npmcdn.com/@turf/turf/turf.min.js"></script>
  <script src="nmap.min.js"></script>
  <script src="geo2rect.js"></script>
  <script>
  var elements = [];
  var config = {
    width : 500,
    height : 350,
    padding : 10,
    duration : 1000,
    key:function(d){;return d.properties.CODDISTRIT; },
    // empty grid
    grid : {
      '01':{x:0,y:0},
      '02':{x:0,y:0},
      '03':{x:0,y:0},
      '04':{x:0,y:0},
      '05':{x:0,y:0},
      '06':{x:0,y:0},
      '07':{x:0,y:0},
      '08':{x:0,y:0},
      '09':{x:0,y:0},
      '10':{x:0,y:0},
      '11':{x:0,y:0},
      '12':{x:0,y:0},
      '13':{x:0,y:0},
      '14':{x:0,y:0},
      '15':{x:0,y:0},
      '16':{x:0,y:0},
      '17':{x:0,y:0},
      '18':{x:0,y:0},
      '19':{x:0,y:0},
      '20':{x:0,y:0},
      '21':{x:0,y:0}
    }
  };

var svg = d3.select('body').append('svg').attr('width', config.width).attr('height', config.height);

var g2r = new geo2rect.draw();

d3.json('distritos.geojson', function(err, data){

var geojson = geo2rect.compute(data);

g2r.config = config;
    g2r.data = geojson;
    g2r.svg = svg.append('g');

g2r.draw();

for (var i = 0; i < data.features.length; i++) {

var cod = data.features[i].properties.CODDISTRIT,

pathEL = d3.select(".id-" + cod);

var bounds = g2r._path.bounds(pathEL._groups[0][0].__data__),
      x = (bounds[0][0] + bounds[1][0]) / 2,
      y = (bounds[0][1] + bounds[1][1]) / 2;

elements.push(new nmap_element({
        id:cod,
        x:x,
        y:y,
        weight:1000+Math.random(),
        klass:"id-" + cod
      }));

}

//initializing the nmap function and setting the bounding box
    var map = new nmap({x:0, y:0, width:10, height:10});

//Equal Weight Approach
    var ac = map.equalWeight({elements:elements});

for (var i = 0; i < data.features.length; i++) {
      var cod = ac[i].attr().element.getId();

config.grid[cod].x = ac[i].attr().x;
      config.grid[cod].y = ac[i].attr().y;
    }

g2r.config = config;
    console.log();

});

d3.select('body').append('a').text('Toggle').on('click', function(){
    g2r.toggle();
    g2r.draw();
    console.log(g2r.mode);
  });

</script>
</body>
</html>

https://d3js.org/d3.v4.min.js

https://npmcdn.com/@turf/turf/turf.min.js