toja/.block

## .block
license: gpl-3.0
height: 540
border: no

## 50m.json

      
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              50m.json
            
          
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## README.md

      
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              README.md
            
          
    Map data from natural earth. Edited with TopoJSON. See Command-Line Cartography for further details on how to create and use TopoJSON data.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">

<script src="//d3js.org/d3.v4.min.js"></script>
<script src="//d3js.org/d3-geo-projection.v1.min.js"></script>
<script src="//d3js.org/topojson.v2.min.js"></script>

<style>

.stroke {
  fill: none;
  stroke: #000;
  stroke-width: 1px;
}

.fill {
  fill: #fff;
}

.graticule {
  fill: none;
  stroke: #777;
  stroke-width: .5px;
  stroke-opacity: .5;
}

.land {
  fill: #222;
}

.countries {
  fill: none;
  stroke: #fff;
  stroke-width: .8px;
}

</style>

<body>

<div id="map"></div>

<select name="proj" autocomplete="off" onchange="update(this.value);">
    <option value="0">Natural Earth</option>
    <option value="1">Robinson</option>
    <option value="2">Kavraisky VII</option>
    <option value="3">Winkel Tripel</option>
    <option value="4">Times</option>
    <option value="5">Patterson</option>
    <option value="6">Braun</option>
    <option value="7">Miller</option>
</select>

<script>
var width       = 960,
    height      = 500;

var projections = [
    d3.geoNaturalEarth,
    d3.geoRobinson,
    d3.geoKavrayskiy7,
    d3.geoWinkel3,
    d3.geoTimes,
    d3.geoPatterson,
    d3.geoCylindricalStereographic,
    d3.geoMiller
];

var proj = projections[0]();

var path = d3.geoPath()
    .projection(proj);

var graticule = d3.geoGraticule();

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

svg.append("defs").append("path")
    .datum({type: "Sphere"})
    .attr("id", "sphere")
    .attr("d", path);

svg.append("use")
    .attr("class", "stroke")
    .attr("xlink:href", "#sphere");

svg.append("use")
    .attr("class", "fill")
    .attr("xlink:href", "#sphere");

svg.append("path")
    .datum(graticule)
    .attr("class", "graticule")
    .attr("d", path);

d3.json("50m.json", function (error, world) {
    if (error) throw error;

    var land = topojson.feature(world, world.objects.land);
    var countries = topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; });

    svg.append("path")
      .datum(land)
	  .attr("class", "land")
      .attr("d", path);

    svg.append("path")
      .datum(countries)
	  .attr("class", "countries")
      .attr("d", path);
});

var update = function(i) {

	paths = svg.selectAll("path");

    proj = projections[i]();
    path.projection(proj);
    paths.attr("d", path);
}

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">

	<script src="//d3js.org/d3.v4.min.js"></script>
	<script src="//d3js.org/d3-geo-projection.v1.min.js"></script>
	<script src="//d3js.org/topojson.v2.min.js"></script>

	<style>

	.stroke {
	fill: none;
	stroke: #000;
	stroke-width: 1px;
	}

	.fill {
	fill: #fff;
	}

	.graticule {
	fill: none;
	stroke: #777;
	stroke-width: .5px;
	stroke-opacity: .5;
	}

	.land {
	fill: #222;
	}

	.countries {
	fill: none;
	stroke: #fff;
	stroke-width: .8px;
	}

	</style>

	<body>

	<div id="map"></div>

	<select name="proj" autocomplete="off" onchange="update(this.value);">
	<option value="0">Natural Earth</option>
	<option value="1">Robinson</option>
	<option value="2">Kavraisky VII</option>
	<option value="3">Winkel Tripel</option>
	<option value="4">Times</option>
	<option value="5">Patterson</option>
	<option value="6">Braun</option>
	<option value="7">Miller</option>
	</select>

	<script>
	var width = 960,
	height = 500;

	var projections = [
	d3.geoNaturalEarth,
	d3.geoRobinson,
	d3.geoKavrayskiy7,
	d3.geoWinkel3,
	d3.geoTimes,
	d3.geoPatterson,
	d3.geoCylindricalStereographic,
	d3.geoMiller
	];

	var proj = projections[0]();

	var path = d3.geoPath()
	.projection(proj);

	var graticule = d3.geoGraticule();

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

	svg.append("defs").append("path")
	.datum({type: "Sphere"})
	.attr("id", "sphere")
	.attr("d", path);

	svg.append("use")
	.attr("class", "stroke")
	.attr("xlink:href", "#sphere");

	svg.append("use")
	.attr("class", "fill")
	.attr("xlink:href", "#sphere");

	svg.append("path")
	.datum(graticule)
	.attr("class", "graticule")
	.attr("d", path);

	d3.json("50m.json", function (error, world) {
	if (error) throw error;

	var land = topojson.feature(world, world.objects.land);
	var countries = topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; });

	svg.append("path")
	.datum(land)
	.attr("class", "land")
	.attr("d", path);

	svg.append("path")
	.datum(countries)
	.attr("class", "countries")
	.attr("d", path);
	});

	var update = function(i) {

	paths = svg.selectAll("path");

	proj = projections[i]();
	path.projection(proj);
	paths.attr("d", path);
	}

	</script>