davidbradway/countries.json

## countries.json

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

/* CSS goes here. */

.country {
  fill: #ccc;
  stroke: #fff;
  stroke-width: .5px;
  stroke-linejoin: round;
}

.graticule {
  fill: none;
  stroke: #000;
  stroke-opacity: .3;
  stroke-width: .5px;
}

.graticule.outline {
  stroke: #333;
  stroke-opacity: 1;
  stroke-width: 1.5px;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/d3.geo.projection.v0.min.js"></script>
<script src="http://d3js.org/topojson.v1.min.js"></script>
<script>

/* JavaScript goes here. */
var width = 960,
    height = 500;

var projection = d3.geo.kavrayskiy7(),
    color = d3.scale.category20(),
    graticule = d3.geo.graticule();

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

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

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

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


d3.json("countries.json", function(error, world) {
  var countries = topojson.feature(world, world.objects).features,
      neighbors = topojson.neighbors(world.objects.geometries);

  svg.selectAll(".country")
      .data(countries)
    .enter().insert("path", ".graticule")
      .attr("class", "country")
      .attr("d", path)
      .style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 | 0); });

});

/*
var width = 960,
    height = 500;

var projection = d3.geo.kavrayskiy7(),
    color = d3.scale.category20(),
    graticule = d3.geo.graticule();

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

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

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

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


d3.json("readme-world.json", function(error, world) {
  var countries = topojson.feature(world, world.objects.countries).features,
      neighbors = topojson.neighbors(world.objects.countries.geometries);

  svg.selectAll(".country")
      .data(countries)
    .enter().insert("path", ".graticule")
      .attr("class", "country")
      .attr("d", path)
      .style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 | 0); });
});*/

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

	/* CSS goes here. */

	.country {
	fill: #ccc;
	stroke: #fff;
	stroke-width: .5px;
	stroke-linejoin: round;
	}

	.graticule {
	fill: none;
	stroke: #000;
	stroke-opacity: .3;
	stroke-width: .5px;
	}

	.graticule.outline {
	stroke: #333;
	stroke-opacity: 1;
	stroke-width: 1.5px;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script src="http://d3js.org/d3.geo.projection.v0.min.js"></script>
	<script src="http://d3js.org/topojson.v1.min.js"></script>
	<script>

	/* JavaScript goes here. */
	var width = 960,
	height = 500;

	var projection = d3.geo.kavrayskiy7(),
	color = d3.scale.category20(),
	graticule = d3.geo.graticule();

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

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

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

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


	d3.json("countries.json", function(error, world) {
	var countries = topojson.feature(world, world.objects).features,
	neighbors = topojson.neighbors(world.objects.geometries);

	svg.selectAll(".country")
	.data(countries)
	.enter().insert("path", ".graticule")
	.attr("class", "country")
	.attr("d", path)
	.style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 \| 0); });

	});

	/*
	var width = 960,
	height = 500;

	var projection = d3.geo.kavrayskiy7(),
	color = d3.scale.category20(),
	graticule = d3.geo.graticule();

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

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

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

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


	d3.json("readme-world.json", function(error, world) {
	var countries = topojson.feature(world, world.objects.countries).features,
	neighbors = topojson.neighbors(world.objects.countries.geometries);

	svg.selectAll(".country")
	.data(countries)
	.enter().insert("path", ".graticule")
	.attr("class", "country")
	.attr("d", path)
	.style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 \| 0); });
	});*/

	</script>