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@rnugraha
Last active October 26, 2015 13:28
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Population Density of The Netherlands in 2013
<!DOCTYPE html>
<meta charset='utf-8'>
<style>
.gemeente {
stroke: #fff;
stroke-width:1
}
.gemeente:hover {
fill: #588C7E !important;
}
.tooltipText {
font-family: 'Helvetica';
font-size: .8em;
padding: 5px;
background-color: white;
opacity: .6;
}
.name_null {
fill:white;
}
</style>
<body>
<script src='https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js'></script>
<script>
var width = 600,
height = 800;
var path = d3.geo.path()
.projection(null);
var svg = d3.select('body').append('svg')
.attr('width', width)
.attr('height', height);
d3.json('nl-gem-2013.json', function(error, nl) {
if (error) throw error;
var fillColor = d3.scale.linear()
.domain([4000, 250000, 500000, 1000000])
.range(['#F2E394', '#D87F00', '#D96459', '#8C4646']);
var tooltip = d3.select('body')
.append('div')
.style('position', 'absolute')
.style('z-index', '10')
.style('visibility', 'hidden')
.attr('class', function () {return 'tooltipText'});
var showGemeenteName = function (d) {
if (d.properties.gm_name !== null) {
tooltip.text(d.properties.gm_name + ' - ' + d.properties.no_res);
return tooltip.style('visibility', 'visible');
}
};
var getTooltipPosition = function (d) {
if (d.properties.gm_name !== null) {
return tooltip.style('top', (d3.event.pageY-10)+'px').style('left',(d3.event.pageX+10)+'px');
}
};
var hideGemeenteName = function () {
return tooltip.style('visibility', 'hidden');
};
svg.append('path')
.datum(topojson.feature(nl, nl.objects.gem_2013_v1))
.attr('class', 'land')
.attr('d', path);
svg.append('path')
.datum(topojson.mesh(nl, nl.objects.gem_2013_v1, function(a, b) { return a !== b; }))
.attr('class', 'boundary')
.attr('d', path);
svg.selectAll('.gemeente')
.data(topojson.feature(nl, nl.objects.gem_2013_v1).features)
.enter().append('path')
.attr('class', function(d) { return 'gemeente name_' + d.properties.gm_name})
.attr('id', function(d) { return d.properties.gm_code; })
.attr('d', path)
.style('fill', function (d) {
return d.properties.no_res > 0 ? fillColor(d.properties.no_res) : 'white';
})
.on('mouseover', showGemeenteName)
.on('mousemove', getTooltipPosition)
.on('mouseout', hideGemeenteName);
});
d3.select(self.frameElement).style('height', height + 'px');
</script>
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