Family of good boyz and gurlz who code for most advanced education and analytix products.
Published
Edited
May 16, 2020
map = {
let map = d3
.create("svg")
.attr("width", map_width)
.attr("height", map_height);
let group = map
.append("g")
.selectAll('path')
.data(districts.features)
.enter()
.append('path')
.attr('d', geoGenerator)
.style('stroke', 'white')
.style('stroke-width', '1px')
.style('fill', color)
.attr('title', function(d) {
let elected = d.properties.election_data.filter(
d => d.elected_flag == 'Y'
)[0];
return `
${d.properties.name}, ${d.properties.province}
<br />
${elected.candidate}, ${elected.party}`;
})
.on('mouseenter', function() {
map.selectAll('path').attr('opacity', 0.3);
d3.select(this).attr('opacity', 1);
})
.on('mouseleave', function() {
map.selectAll('path').attr('opacity', 1);
});
group.nodes().forEach(d => tippy(d, { followCursor: true }));
return map.node();
}
geoGenerator = d3.geoPath().projection(
d3
.geoIdentity()
.reflectY(true)
.fitSize([map_width, map_height], districts)
)
map_height = 0.8 * map_width
map_width = 0.9 * width
// All the winning districts
new Set(
districts.features.map(function(d) {
let elected = d.properties.election_data.filter(d => d.elected_flag == 'Y');
return elected[0].party;
})
)
function color(district) {
let winning_party;
let elected = district.properties.election_data.filter(
d => d.elected_flag == 'Y'
);
if (elected.length == 1) {
winning_party = elected[0].party;
if (winning_party == "NDP-New Democratic Party") {
return d3.schemeCategory10[1];
} else if (winning_party == "Conservative") {
return d3.schemeCategory10[0];
} else if (winning_party == "Liberal") {
return d3.schemeCategory10[3];
} else if (winning_party == "Bloc Québécois") {
return d3.schemeCategory10[9];
} else if (winning_party == "Green Party") {
return d3.schemeCategory10[2];
}
}
return 'gray';
}
districts = topojson.feature(ce, ce.objects.canadian_elections2)
ce = FileAttachment('canadian_elections_topo.json').json()
topojson = require("topojson-client@3")
d3 = require('d3@5')
tippy = require("https://unpkg.com/tippy.js@2.5.4/dist/tippy.all.min.js")
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