Published
Edited
May 6, 2019
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chart = {
const links = data.links.map(d => Object.create(d));
const nodes = data.nodes.map(d => Object.create(d));
const simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id))
.force("charge", d3.forceManyBody())
.force("x", d3.forceX())
.force("y", d3.forceY());
const svg = d3.select(DOM.svg(width, height))
.attr("viewBox", [-width / 2, -height / 2, width, height]);
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 23)
.attr("refY", -1.5)
.attr("markerWidth", 4)
.attr("markerHeight", 4)
.attr("orient", "auto")
.append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
const link = svg.append("g")
.attr("stroke", "#999")
.attr("stroke-opacity", 0.6)
.selectAll("line")
.data(links)
.join("line")
.attr("stroke-width", d => Math.sqrt(d.value))
.attr("marker-end", "url(#end)");
const node = svg.append("g")
.attr("stroke", "#fff")
.attr("stroke-width", 1.5)
.selectAll("circle")
.data(nodes)
.join("circle")
.attr("r", 5)
.attr("fill", color)
.call(drag(simulation));
node.append("title")
.text(d => d.id + ' - ' + d.house);
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();
}
Characters = d3.json("https://raw.githubusercontent.com/jeffreylancaster/game-of-thrones/master/data/characters.json")
char = Characters["characters"];
NumChar = char.length;
function DeathRelation(){
var chars = []
var extraChars = []
var nodes = [];
var links = [];
for (let i=0; i<NumChar; i++){
if (typeof char[i].houseName !== 'undefined'){
var houseName = char[i].houseName;
if (typeof char[i].houseName === "object"){
var group = char[i].houseName[0];
} else {
var group = char[i].houseName
}
} else {
var houseName = "Other";
var group = "Other";
}
var node = {"id": char[i].characterName, "group": group, "house": houseName};
nodes.push(node)
chars.push(char[i].characterName)
if (typeof char[i].killed !== 'undefined'){
for (let j=0; j<char[i].killed.length; j++){
var link = {"source": char[i].characterName, "target": char[i].killed[j], "value": 1};
links.push(link)
extraChars.push(char[i].killed[j])
}
}
if (typeof char[i].killedBy !== 'undefined'){
for (let j=0; j<char[i].killedBy.length; j++){
var link = {"source": char[i].killedBy[j], "target": char[i].characterName, "value": 1};
links.push(link)
extraChars.push(char[i].killedBy[j])
}
}
}
for (let i=0; i<extraChars.length; i++){
if (chars.includes(extraChars[i])===false){
chars.push(extraChars[i])
nodes.push({"id": extraChars[i], "group": "Other", "house": "Other"})
}
}
return {"nodes": nodes, "links": links};
}
data = DeathRelation()
import {serialize} from "@palewire/saving-json"
DOM.download(serialize(data), 'character_death.json', "Download JSON")
height = 680
color = {
const scale = d3.scaleOrdinal(d3.schemeAccent);
return d => scale(d.group);
}
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);
}
d3 = require("d3@5")
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