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;
}
.land {
  fill: #222;
}
.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: .5px;
}
.tooltip{
  background-color:rgba(0,0,0,0.5);
  color:#fff;
  padding: 10px;
  -webkit-border-radius:10px;
  -moz-border-radius:10px;
  border-radius:10px;
}
</style>
<body>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="//d3js.org/queue.v1.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 src="tooltip.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 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.append("path")
    .datum(graticule)
    .attr("class", "graticule")
    .attr("d", path);

//data
//https://github.com/zcreativelabs/react-simple-maps/blob/master/topojson-maps/world-50m.json
//https://github.com/topojson/world-atlas

queue()
    .defer(d3.json, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-110m.json")
    .defer(d3.tsv, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-country-names.tsv")
    .await(ready);

function ready(error, world, names) {
  if (error) throw error;

  var countries = topojson.feature(world, world.objects.countries).features,
      neighbors = topojson.neighbors(world.objects.countries.geometries);

  //map country names to IDs used on map
  var arr=[];
  names.forEach(function(i){
    arr[i.id]=i.name;
  });

  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);
      })
      .call(d3.helper.tooltip(
        function(d,i){
          return "<b>"+arr[d.id]+ "</b>";
        }
        ));


 //other tooltips
 /*
 http://labratrevenge.com/d3-tip/
 https://github.com/VACLab/d3-tip
 */

  svg.insert("path", ".graticule")
      .datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
      .attr("class", "boundary")
      .attr("d", path);
};

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

</script>

## tooltip.js
//copied from http://bl.ocks.org/espinielli/4d17fa15a7a5084e217992f985fba484
d3.helper = {};

d3.helper.tooltip = function(accessor){
    return function(selection){
        var tooltipDiv;
        var bodyNode = d3.select('body').node();
        selection.on("mouseover", function(d, i){
            // Clean up lost tooltips
            d3.select('body').selectAll('div.tooltip').remove();
            // Append tooltip
            tooltipDiv = d3.select('body').append('div').attr('class', 'tooltip');
            var absoluteMousePos = d3.mouse(bodyNode);
            tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px')
                .style('top', (absoluteMousePos[1] - 15)+'px')
                .style('position', 'absolute')
                .style('z-index', 1001);
            // Add text using the accessor function
            var tooltipText = accessor(d, i) || '';
            // Crop text arbitrarily
            //tooltipDiv.style('width', function(d, i){return (tooltipText.length > 80) ? '300px' : null;})
            //    .html(tooltipText);
        })
        .on('mousemove', function(d, i) {
            // Move tooltip
            var absoluteMousePos = d3.mouse(bodyNode);
            tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px')
                .style('top', (absoluteMousePos[1] - 15)+'px');
            var tooltipText = accessor(d, i) || '';
            tooltipDiv.html(tooltipText);
        })
        .on("mouseout", function(d, i){
            // Remove tooltip
            tooltipDiv.remove();
        });

    };
};
	<!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;
	}
	.land {
	fill: #222;
	}
	.boundary {
	fill: none;
	stroke: #fff;
	stroke-width: .5px;
	}
	.tooltip{
	background-color:rgba(0,0,0,0.5);
	color:#fff;
	padding: 10px;
	-webkit-border-radius:10px;
	-moz-border-radius:10px;
	border-radius:10px;
	}
	</style>
	<body>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="//d3js.org/queue.v1.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 src="tooltip.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 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.append("path")
	.datum(graticule)
	.attr("class", "graticule")
	.attr("d", path);

	//data
	//https://github.com/zcreativelabs/react-simple-maps/blob/master/topojson-maps/world-50m.json
	//https://github.com/topojson/world-atlas

	queue()
	.defer(d3.json, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-110m.json")
	.defer(d3.tsv, "https://cdn.rawgit.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-country-names.tsv")
	.await(ready);

	function ready(error, world, names) {
	if (error) throw error;

	var countries = topojson.feature(world, world.objects.countries).features,
	neighbors = topojson.neighbors(world.objects.countries.geometries);

	//map country names to IDs used on map
	var arr=[];
	names.forEach(function(i){
	arr[i.id]=i.name;
	});

	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);
	})
	.call(d3.helper.tooltip(
	function(d,i){
	return "<b>"+arr[d.id]+ "</b>";
	}
	));


	//other tooltips
	/*
	http://labratrevenge.com/d3-tip/
	https://github.com/VACLab/d3-tip
	*/

	svg.insert("path", ".graticule")
	.datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
	.attr("class", "boundary")
	.attr("d", path);
	};

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

	</script>
	//copied from http://bl.ocks.org/espinielli/4d17fa15a7a5084e217992f985fba484
	d3.helper = {};

	d3.helper.tooltip = function(accessor){
	return function(selection){
	var tooltipDiv;
	var bodyNode = d3.select('body').node();
	selection.on("mouseover", function(d, i){
	// Clean up lost tooltips
	d3.select('body').selectAll('div.tooltip').remove();
	// Append tooltip
	tooltipDiv = d3.select('body').append('div').attr('class', 'tooltip');
	var absoluteMousePos = d3.mouse(bodyNode);
	tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px')
	.style('top', (absoluteMousePos[1] - 15)+'px')
	.style('position', 'absolute')
	.style('z-index', 1001);
	// Add text using the accessor function
	var tooltipText = accessor(d, i) \|\| '';
	// Crop text arbitrarily
	//tooltipDiv.style('width', function(d, i){return (tooltipText.length > 80) ? '300px' : null;})
	// .html(tooltipText);
	})
	.on('mousemove', function(d, i) {
	// Move tooltip
	var absoluteMousePos = d3.mouse(bodyNode);
	tooltipDiv.style('left', (absoluteMousePos[0] + 10)+'px')
	.style('top', (absoluteMousePos[1] - 15)+'px');
	var tooltipText = accessor(d, i) \|\| '';
	tooltipDiv.html(tooltipText);
	})
	.on("mouseout", function(d, i){
	// Remove tooltip
	tooltipDiv.remove();
	});

	};
	};