Mapa Valencia

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

.background {fill: #eee; pointer-events: all;}
.map-layer {fill: #fff; stroke: #aaa;}
.effect-layer{pointer-events:none;}

text{
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 300;
}

text.big-text{
  font-size: 30px;
  font-weight: 400;
}

.effect-layer text, text.dummy-text{
  font-size: 12px;
}

</style>
<body>

var width = 960,
    height = 500,
    centered;

// Define color scale
  
  
var color = d3.scale.linear()
  .domain([1, 20])
  .clamp(true)
  .range(['#fff', '#ffffff']);
  //.range(['#fff', '#409A99']);

//Tamaño y posicion del mapa  
  
  
  
var projection = d3.geo.mercator()
  .scale(9000)
  .center([1, 39.5])
  //.center([-0.35, 39])
  //.translate([width / 2, height / 2]);

var path = d3.geo.path()
  .projection(projection);

// Set svg width & height
 
  
  
var svg = d3.select('svg')
  .attr('width', width)
  .attr('height', height);

// Add background
  
  
  
svg.append('rect')
  .attr('class', 'background')
  .attr('width', width)
  .attr('height', height)
  .on('click', clicked);

var g = svg.append('g');

var effectLayer = g.append('g')
  .classed('effect-layer', true);

var mapLayer = g.append('g')
  .classed('map-layer', true);

/*
var dummyText = g.append('text')
  .classed('dummy-text', true)
  .attr('x', 10)
  .attr('y', 30)
  .style('opacity', 0);

var bigText = g.append('text')
  .classed('big-text', true)
  .attr('x', 20)
  .attr('y', 45);
*/
  
  
  
// Load map data
  
  
d3.json('map.json', function(error, mapData) {
  var features = mapData.features;

// Update color scale domain based on data
  
  
  
  
color.domain([0, d3.max(features, nameLength)]);

// Draw each province as a path
  
  
  
  mapLayer.selectAll('path')
      .data(features)
    .enter().append('path')
      .attr('d', path)
      .attr('vector-effect', 'non-scaling-stroke')
      .style('fill', fillFn)
      .on('mouseover', mouseover)
      .on('mouseout', mouseout)
      .on('click', clicked);
});

// Get province name
  
  
//function nameFn(d){return d && d.properties ? d.properties.NOMBRE_DPT : null;}
function nameFn(d){return d && d.properties ? d.properties.name : null;}

// Get province name length
  
  
  
function nameLength(d){var n = nameFn(d);return n ? n.length : 0;}  
//function nameLength(d){var n = nameFn(d);return n ? n.length : 0;}

// Get province color
  
  
  
function fillFn(d){return color(nameLength(d.properties.name));}
//function fillFn(d){return color(nameLength(d));}
  
  
  
// Aqui es donde decimos como se amplian los códigos
  
 
  
function clicked(d) { var x, y, k;
                 
  if (d && centered !== d) {
    var centroid = path.centroid(d);
    x = centroid[0]+width/10;
    y = centroid[1];
    k = 4;
    centered = d;
  } else {
    x = width / 2 ;
    y = height / 2;
    k = 1;
    centered = null;
  }

// Highlight the clicked province                   
                     
                     
                     
mapLayer.selectAll('path')
        .style('fill', function(d){return centered && d===centered ? '#D5708B' : fillFn(d);});

// Zoom
                     
                     
  g.transition()
    .duration(750)
    .attr('transform', 'translate(' + width / 2 + ',' + height / 2 + ')scale(' + k + ')translate(' + -x + ',' + -y + ')');}

function mouseover(d){
  // Highlight hovered province
  d3.select(this).style('fill', 'orange');
  
  svg.append('text')
      	.attr('class', 'tooltip')
  			.attr('x',100)
      	.attr('y', 100)
      	.text(d.properties.name)
		}
  // Draw effects
  
  
  
  //textArt(nameFn(d));

function mouseout(d){
  
  
// Reset province color
  
  
  mapLayer.selectAll('path')
    .style('fill', function(d){return centered && d===centered ? '#D5708B' : fillFn(d);});

// Remove effect text
  
  
  
  effectLayer.selectAll('text').transition()
    .style('opacity', 0)
    .remove();
  
 
//Eliminar texto con el código postal
  
  
  
  
   d3.select('.tooltip')
      	.remove();
  // Clear province name
//  bigText.text('');
}
/*
// Gimmick
// Just me playing around.
// You won't need this for a regular map.

var BASE_FONT = "'Helvetica Neue', Helvetica, Arial, sans-serif";

var FONTS = [
  "Open Sans",
  "Josefin Slab",
  "Arvo",
  "Lato",
  "Vollkorn",
  "Abril Fatface",
  "Old StandardTT",
  "Droid+Sans",
  "Lobster",
  "Inconsolata",
  "Montserrat",
  "Playfair Display",
  "Karla",
  "Alegreya",
  "Libre Baskerville",
  "Merriweather",
  "Lora",
  "Archivo Narrow",
  "Neuton",
  "Signika",
  "Questrial",
  "Fjalla One",
  "Bitter",
  "Varela Round"
];

function textArt(text){
  // Use random font
  var fontIndex = Math.round(Math.random() * FONTS.length);
  var fontFamily = FONTS[fontIndex] + ', ' + BASE_FONT;

bigText
    .style('font-family', fontFamily)
    .text(text);

// Use dummy text to compute actual width of the text
  // getBBox() will return bounding box
  dummyText
    .style('font-family', fontFamily)
    .text(text);
  var bbox = dummyText.node().getBBox();

var textWidth = bbox.width;
  var textHeight = bbox.height;
  var xGap = 3;
  var yGap = 1;

// Generate the positions of the text in the background
  var xPtr = 0;
  var yPtr = 0;
  var positions = [];
  var rowCount = 0;
  while(yPtr < height){
    while(xPtr < width){
      var point = {
        text: text,
        index: positions.length,
        x: xPtr,
        y: yPtr
      };
      var dx = point.x - width/2 + textWidth/2;
      var dy = point.y - height/2;
      point.distance = dx*dx + dy*dy;

positions.push(point);
      xPtr += textWidth + xGap;
    }
    rowCount++;
    xPtr = rowCount%2===0 ? 0 : -textWidth/2;
    xPtr += Math.random() * 10;
    yPtr += textHeight + yGap;
  }

var selection = effectLayer.selectAll('text')
    .data(positions, function(d){return d.text+'/'+d.index;});

// Clear old ones
  selection.exit().transition()
    .style('opacity', 0)
    .remove();

// Create text but set opacity to 0
  selection.enter().append('text')
    .text(function(d){return d.text;})
    .attr('x', function(d){return d.x;})
    .attr('y', function(d){return d.y;})
    .style('font-family', fontFamily)
    .style('fill', '#777')
    .style('opacity', 0);

selection
    .style('font-family', fontFamily)
    .attr('x', function(d){return d.x;})
    .attr('y', function(d){return d.y;});

// Create transtion to increase opacity from 0 to 0.1-0.5
  // Add delay based on distance from the center of the <svg> and a bit more randomness.
  selection.transition()
    .delay(function(d){
      return d.distance * 0.01 + Math.random()*1000;
    })
    .style('opacity', function(d){
      return 0.1 + Math.random()*0.4;
    });
}
*/
</script>

https://d3js.org/d3.v3.min.js