block by mbostock 9234731

Timezones

Full Screen

Timezone shapefile from Eric Muller.

Updated Example →

index.html

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

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

.timezones {
  fill: #222;
}

.timezones :hover {
  fill: orange;
}

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

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 960;

var projection = d3.geo.mercator()
    .scale(width / 2 / Math.PI)
    .translate([width / 2, height / 2])
    .precision(.1);

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

var graticule = d3.geo.graticule();

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

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

d3.json("timezones.json", function(error, timezones) {
  if (error) throw error;

  path.projection(null);

  svg.insert("g", ".graticule")
      .attr("class", "timezones")
    .selectAll("path")
      .data(topojson.feature(timezones, timezones.objects.timezones).features)
    .enter().append("path")
      .attr("d", path)
    .append("title")
      .text(function(d) { return d.id; });

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

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

</script>

Makefile

GENERATED_FILES = \
	timezones.json

.PHONY: all clean

all: $(GENERATED_FILES)

clean:
	rm -rf -- $(GENERATED_FILES) build

build/tz_world_mp.zip:
	mkdir -p $(dir $@)
	curl -o $@ 'http://efele.net/maps/tz/world/tz_world_mp.zip'

build/tz_world_mp.shp: build/tz_world_mp.zip
	rm -rf -- $(basename $@)
	mkdir -p $(basename $@)
	unzip -d $(basename $@) $<
	for file in `find $(basename $@) -type f`; do chmod 644 $$file; mv $$file $(basename $@).$${file##*.}; done
	rm -rf -- $(basename $@)
	touch $@

timezones.json: build/tz_world_mp.shp
	node_modules/.bin/topojson -o $@ --projection='d3.geo.mercator().scale(960 / 2 / Math.PI).translate([960 / 2, 960 / 2]).precision(.1)' --simplify=1 -q 1e5 --id-property=TZID -- timezones=$<

package.json

{
  "name": "anonymous",
  "version": "0.0.1",
  "private": true,
  "devDependencies": {
    "topojson": "1"
  }
}