adkdev/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    D3 - Thailand Map

Basic d3 Thailand map with hover info and zoomable when mouse click.
Based on:


minikomi’s Japan geojson - albers
kristw’s Thailand map

Data:

Thailand GeoJson Data: - apisit's thailand.json

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>
text.big-text{
  font-size: 40px;
  font-weight: 400;
  position:absolute;
  top: 60px;
  left: 20px;
  z-index:99;
  float:left;
}
.map-layer {
  fill: #fff;
  stroke: #ddd;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var width = 960,
  height = 640,
  centered;

var bigText = d3.select("body").append('text')
  .classed('big-text', true);

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

// Add background
svg.append('rect')
  .style("fill", "#fff")
  .attr('width', width)
  .attr('height', height)
  .on('click', clicked);

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

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

// Customize the projection to make the center of Thailand become the center of the map
xym.rotate([-100.6331, -13.2])
xym.translate([width / 2, height / 2])
xym.scale(2380)

d3.json("thailand.json", function(data) {
  mapLayer.selectAll("path").data(data.features)
    .enter().append("path")
    .attr("d", path)
    .attr('vector-effect', 'non-scaling-stroke')
    .style("fill", function() { return "#44aaee" })
    .on("mouseover", mouseover)
    .on("mouseout", mouseout)
    .on("click", clicked)
});
// Get province name
function nameFn(d){
  return d && d.properties ? d.properties.name: null;
}

function mouseover(d){
  d3.select(this).style('fill', '#f90');
  bigText.text(nameFn(d));
}

function mouseout(d){
  d3.select(this).style("fill", "#44aaee")
  // Reset province color
  mapLayer.selectAll('path')
    .style('fill', function(d){return centered && d===centered ? '#D5708B' : '#4ae';});
  // Set Provice name
  if (centered) {
    bigText.text(nameFn(centered));
  } else {
    bigText.text('');
  }
}
// When clicked, zoom in
function clicked(d) {
  var x, y, k;

  // Compute centroid of the selected path
  if (d && centered !== d) {
    var centroid = path.centroid(d);
    x = centroid[0];
    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' : '#44aaee';});

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

## preview.png

      
    Raw
  

              preview.png
            
          
## thailand.json

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

              thailand.json
            
          
        Loading

      Sorry, something went wrong. Reload?
      Sorry, we cannot display this file.
      Sorry, this file is invalid so it cannot be displayed.
      
          Viewer requires iframe.
      
    
## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>
	text.big-text{
	font-size: 40px;
	font-weight: 400;
	position:absolute;
	top: 60px;
	left: 20px;
	z-index:99;
	float:left;
	}
	.map-layer {
	fill: #fff;
	stroke: #ddd;
	}
	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>
	var width = 960,
	height = 640,
	centered;

	var bigText = d3.select("body").append('text')
	.classed('big-text', true);

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

	// Add background
	svg.append('rect')
	.style("fill", "#fff")
	.attr('width', width)
	.attr('height', height)
	.on('click', clicked);

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

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

	// Customize the projection to make the center of Thailand become the center of the map
	xym.rotate([-100.6331, -13.2])
	xym.translate([width / 2, height / 2])
	xym.scale(2380)

	d3.json("thailand.json", function(data) {
	mapLayer.selectAll("path").data(data.features)
	.enter().append("path")
	.attr("d", path)
	.attr('vector-effect', 'non-scaling-stroke')
	.style("fill", function() { return "#44aaee" })
	.on("mouseover", mouseover)
	.on("mouseout", mouseout)
	.on("click", clicked)
	});
	// Get province name
	function nameFn(d){
	return d && d.properties ? d.properties.name: null;
	}

	function mouseover(d){
	d3.select(this).style('fill', '#f90');
	bigText.text(nameFn(d));
	}

	function mouseout(d){
	d3.select(this).style("fill", "#44aaee")
	// Reset province color
	mapLayer.selectAll('path')
	.style('fill', function(d){return centered && d===centered ? '#D5708B' : '#4ae';});
	// Set Provice name
	if (centered) {
	bigText.text(nameFn(centered));
	} else {
	bigText.text('');
	}
	}
	// When clicked, zoom in
	function clicked(d) {
	var x, y, k;

	// Compute centroid of the selected path
	if (d && centered !== d) {
	var centroid = path.centroid(d);
	x = centroid[0];
	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' : '#44aaee';});

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