Published
Edited
Sep 29, 2020
1 fork
Insert cell
Insert cell
viewof filterViews = html`<div>
<select value="" id="filterId1">
<option value="All" default>All</option>
<option value="Myriel">Myriel</option>
<option value="Napoleon">Napoleon</option>
<option value="Geborand">Geborand</option>
</select>
<input type="text" id="filterId2" value=""/>
</div>
`
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filterId = Generators.input(filterId1)
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filterId_other = Generators.input(filterId2)
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chart = {
let links = []
let nodes = []
if(filterId === "All"){
links = data.links.map(d => Object.create(d));
nodes = data.nodes.map(d => Object.create(d));
} else {
links = data.links.filter(d => d.source == filterId || d.target == filterId).map(d => Object.create(d));
const otherPersons = links.map(d => d.source !== filterId ? d.source : d.target)
nodes = data.nodes.filter(d => d.id == filterId || otherPersons.indexOf(d.id) >= 0).map(d => Object.create(d));
}
const simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id))
.force("charge", d3.forceManyBody())
.force("center", d3.forceCenter(width / 2, height / 2));

const svg = d3.select(DOM.svg(width, height))
.style('max-width', '100%')
.style('max-height', '100%');

const link = svg.append("g")
.attr("stroke", "#999")
.attr("stroke-opacity", 0.6)
.selectAll("line")
.data(links)
.enter().append("line")
.attr("stroke-width", d => Math.sqrt(d.value));

const node = svg.append("g")
.attr("stroke", "#fff")
.attr("stroke-width", 1.5)
.selectAll("circle")
.data(nodes)
.enter().append("circle")
.attr("r", d => d.value)
.attr("fill", color)
.call(drag(simulation));

node.append("title")
.text(d => d.id);

simulation.on("tick", () => {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y);

node
.attr("cx", d => d.x)
.attr("cy", d => d.y);
});

invalidation.then(() => simulation.stop());

return svg.node();
}
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filterId
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data = d3.json("https://gist.githubusercontent.com/AsgerSP/557c583727b52624f724536bed5eeb5d/raw/278b359d2f4877b99a4d6d70297b08ab4ef348d1/lesmis1.json")
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height = 300
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width = 400
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color = {
const scale = d3.scaleOrdinal(d3.schemeCategory10);
return d => scale(d.group);
}
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drag = simulation => {
function dragstarted(d) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(d) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d) {
if (!d3.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}
return d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended);
}
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d3 = require("d3@5")
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