piwodlaiwo/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Redo of https://bl.ocks.org/mbostock/4180634 in D3v4
forked from piwodlaiwo's block: World Map in D3v4 with Auto Colors

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

body {
  background: #fcfcfa;
}

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

.fill {
  fill: #fff;
}

.graticule {
  fill: none;
  stroke: #777;
  stroke-width: .5px;
  stroke-opacity: .5;
}
.graticule.outline {
  stroke-width: 2px;
}

.label {
  font: 300 9px "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-anchor: end;
}

.land {
  fill: #222;
}

.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: .5px;
}

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

var width = 960,
    height = 580;

var color = d3.scaleOrdinal(d3.schemeCategory10);
/*
var projection = d3.geoKavrayskiy7()
    .scale(170)
    .translate([width / 2, height / 2])
    .precision(.1);
*/
var projection = d3.geoWinkel3();
var path = d3.geoPath().projection(projection);

var graticule = d3.geoGraticule();

var svg = d3.select("body").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.selectAll("path")
	.data(graticule.lines())
	.enter().append("path")
		.attr("class", "graticule line")
		.attr("id", function(d) {
      var c = d.coordinates;
			if (c[0][0] == c[1][0]) {
				return (c[0][0] < 0) ? -c[0][0] + "W" : +c[0][0] + "E";
			}
			else if (c[0][1] == c[1][1]) {
				return (c[0][1] < 0) ? -c[0][1] + "S" : c[0][1] + "N";
			}
			})
		.attr("d", path);

svg.selectAll('text')
.data(graticule.lines())
	.enter().append("text")
	.text(function(d) {
      var c = d.coordinates;
			if ((c[0][0] == c[1][0]) && (c[0][0] % 30 == 0)) {return (c[0][0]);}
			else if (c[0][1] == c[1][1]) {return (c[0][1]);}
		})
	.attr("class","label")
	.attr("style", function(d) {
      var c = d.coordinates;
      return (c[0][1] == c[1][1]) ? "text-anchor: end" : "text-anchor: middle";
   })
	.attr("dx", function(d) {
      var c = d.coordinates;
      return (c[0][1] == c[1][1]) ? -10 : 0;
  })
	.attr("dy", function(d) {
      var c = d.coordinates;
      return (c[0][1] == c[1][1]) ? 4 : 10;
  })
	.attr('transform', function(d) {
    var c = d.coordinates;
		return ('translate(' + projection(c[0]) + ')')
	});


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


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


d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json", function(error, world) {
  if (error) throw error;

  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); });


});

d3.select(self.frameElement).style("height", height + "px");

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

	body {
	background: #fcfcfa;
	}

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

	.fill {
	fill: #fff;
	}

	.graticule {
	fill: none;
	stroke: #777;
	stroke-width: .5px;
	stroke-opacity: .5;
	}
	.graticule.outline {
	stroke-width: 2px;
	}

	.label {
	font: 300 9px "Helvetica Neue", Helvetica, Arial, sans-serif;
	text-anchor: end;
	}

	.land {
	fill: #222;
	}

	.boundary {
	fill: none;
	stroke: #fff;
	stroke-width: .5px;
	}

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

	var width = 960,
	height = 580;

	var color = d3.scaleOrdinal(d3.schemeCategory10);
	/*
	var projection = d3.geoKavrayskiy7()
	.scale(170)
	.translate([width / 2, height / 2])
	.precision(.1);
	*/
	var projection = d3.geoWinkel3();
	var path = d3.geoPath().projection(projection);

	var graticule = d3.geoGraticule();

	var svg = d3.select("body").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.selectAll("path")
	.data(graticule.lines())
	.enter().append("path")
	.attr("class", "graticule line")
	.attr("id", function(d) {
	var c = d.coordinates;
	if (c[0][0] == c[1][0]) {
	return (c[0][0] < 0) ? -c[0][0] + "W" : +c[0][0] + "E";
	}
	else if (c[0][1] == c[1][1]) {
	return (c[0][1] < 0) ? -c[0][1] + "S" : c[0][1] + "N";
	}
	})
	.attr("d", path);

	svg.selectAll('text')
	.data(graticule.lines())
	.enter().append("text")
	.text(function(d) {
	var c = d.coordinates;
	if ((c[0][0] == c[1][0]) && (c[0][0] % 30 == 0)) {return (c[0][0]);}
	else if (c[0][1] == c[1][1]) {return (c[0][1]);}
	})
	.attr("class","label")
	.attr("style", function(d) {
	var c = d.coordinates;
	return (c[0][1] == c[1][1]) ? "text-anchor: end" : "text-anchor: middle";
	})
	.attr("dx", function(d) {
	var c = d.coordinates;
	return (c[0][1] == c[1][1]) ? -10 : 0;
	})
	.attr("dy", function(d) {
	var c = d.coordinates;
	return (c[0][1] == c[1][1]) ? 4 : 10;
	})
	.attr('transform', function(d) {
	var c = d.coordinates;
	return ('translate(' + projection(c[0]) + ')')
	});


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


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



	d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json", function(error, world) {
	if (error) throw error;

	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); });


	});

	d3.select(self.frameElement).style("height", height + "px");

	</script>