Public
Edited
Nov 27, 2023
drawChart()
drawChart = function() {
const radius = {
scale: d3.scaleSqrt()
.domain([0, 2e7])
.range([0, 35]),
scaleData: [2e6, 1e7, 2e7],
metric: "dep_delay"
};
const fill = {
scale: d3.scaleSequential(d3.interpolateRdYlBu)
.domain([0, 20]),
metric: "dep_delay"
};
const chart = new Chart(data, radius, fill);
return chart.div;
}
class Chart {
constructor(dataMap, radius, fill = {}) {
const data = Array.from(dataMap).map((d) => d[1]);
const interval = 500;
const width = 960;
const height = 600;
const path = d3.geoPath();
const projection = d3.geoAlbersUsa().scale(1280).translate([width / 2, height / 2]);
this.radius = radius;
this.fill = fill;
//this.radiusTransition = d3.transition().duration(interval);
const svg = d3.select(DOM.svg(width, height))
.style("width", "100%")
.style("font-family", "sans-serif")
.style("height", "auto");
svg.append("path")
.datum(topojson.feature(us, us.objects.nation))
.attr("fill", "#ccc")
.attr("d", path);
svg.append("path")
.datum(topojson.mesh(us, us.objects.states, (a, b) => a !== b))
.attr("fill", "none")
.attr("stroke", "white")
.attr("stroke-linejoin", "round")
.attr("d", path);
this.circles = svg.append("g")
.attr("stroke", "#fff")
.attr("opacity", () => (this.fill.scale !== undefined) ? 1 : 0.5)
.attr("stroke-width", 0.5)
.selectAll("circle")
.data(data).enter()
.append("circle")
.attr("transform", d => `translate(${projection(d.geometry.coordinates)})`)
.attr("r", 5);
this.div = DOM.element("div");
const input = this.drawInput(1, 12);
this.div.appendChild(svg.node());
this.div.appendChild(input);
}
drawInput(min, max) {
const div = html`
<input type=range min=${min} max=${max} value=${min} step=1>
<input type=number min=${min} max=${max} value=${min} style="width:50px">
`;
const range = div.querySelector("[type=range]");
const number = div.querySelector("[type=number]");
div.value = range.value = number.value = min;
const update = _.debounce(() => { this.update(div.value); }, 300);
range.addEventListener("input", () => {
number.value = div.value = range.valueAsNumber;
update();
});
number.addEventListener("input", () => {
range.value = div.value = number.valueAsNumber;
update();
});
return div;
}
}
avg_delay = 9.972570088930182
data = new Map((await d3.csv("https://gist.githubusercontent.com/vizbiz/"+
"0a651bbe43013b80c03dbd1c13f49a8b/raw/303fd2dbfc63761e6614e89dd6b0d7b382e68cad/"+
"latlongmeans.csv", (d) => {
return {
"type": "Feature",
"properties": {
"month": d.Month,
"origin": d.Origin,
"origin_name": d.OriginName,
"dep_delay": +d.DepDelay
},
"geometry": {
"type": "Point",
"coordinates": [d.Longitude, d.Latitude]
}
};
}))
.sort((a, b) => b.properties.max - a.properties.max)
.map(d => [d.properties.origin.toLowerCase(), d]))
topojson = require("topojson-client@3")
us = d3.json("https://unpkg.com/us-atlas@1/us/10m.json")
projection = d3.geoAlbers()
.scale(1280)
.translate([480, 300])
_ = require("underscore")
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