/*code references:
1. https://observablehq.com/@d3/arc-diagram (for the general structure of code)
2. https://www.d3-graph-gallery.com/graph/interactivity_tooltip.html (d3 tooltip gallery)
3. https://observablehq.com/d/352a528406ce91dc (lab12, for building dropdown menu)
4. https://observablehq.com/@dorrietang/candy-diagram-mapping-candies-to-features (got inspirations to add text to dynamically visualize the number of connection each characters shares) */
chart2 = {
let div = d3.create('div');
let selector = div.append('select');
const displayChoices = ["Choose to display","Show all links", "Only same group", "Only different group"]
const items = selector
.selectAll('options')
.data(displayChoices)
.enter()
.append('option')
.text(function (d) { return d; })
.attr("value", function (d) { return d; })
items.filter(function(d) {return d.value === "Choose to display"})
.attr("selected",true);
const svg = div
.append('svg')
.attr('width', 1000)
.attr('height', 1200);
svg.append("style").text(`
.hover path {
stroke: #ccc;
}
.hover g.primary text {
fill: black;
font-weight: bold;
}
.hover g.secondary text {
fill: #333;
}
.hover g.secondary circle {
r: 5;
}
.hover g.primary circle {
r: 10;
}
.hover path.primary {
stroke: black;
stroke-opacity: 1;
}
`);
const label = svg.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end")
.selectAll("g")
.data(graph.nodes)
.join("g")
.attr("transform", d => `translate(${margin.left},${d.y = y(d.id)})`)
.call(g => g.append("text")
.attr("x", -6)
.attr("dy", "0.35em")
//.attr("fill", d => d3.lab(color(d.group)).darker(2))
.text(d => d.id))
.attr("fill", "white")
.call(g => g.append("circle")
.attr("r", 3)
.attr("id", d=>d.id)
.attr("fill", d => color(d.group))
/* .on("mouseover", function(d){
g.attr("r",d=> d.sourceLinks.length+d.targetLinks.length)}
)*/
)
label.on("mouseover",function(d){
label.selectAll('circle').attr('r',10)});
var tooltip = d3.selectAll("g")
.append("div")
.style("position", "absolute")
.style("z-index", "10")
.style("visibility", "hidden")
.text("a simple tooltip");
function addTooltip(circle) {
var x = parseFloat(circle.attr("cx"));
var y = parseFloat(circle.attr("cy"));
var r = parseFloat(circle.attr("r"));
var text = circle.attr("id");
var tooltip = d3.select("g")
.append("text")
.text(text)
.attr("x", x)
.attr("y", y)
.attr("dy", -r * 2)
.attr("id", "tooltip");
var offset = tooltip.node().getBBox().width / 2;
if ((x - offset) < 0) {
tooltip.attr("text-anchor", "start");
tooltip.attr("dx", -r);
}
else if ((x + offset) > (width - margin)) {
tooltip.attr("text-anchor", "end");
tooltip.attr("dx", r);
}
else {
tooltip.attr("text-anchor", "middle");
tooltip.attr("dx", 0);
}
}
const path = svg.insert("g", "*")
.attr("fill", "none")
.attr("stroke-opacity", 0.6)
.attr("stroke-width", 1.5)
.selectAll("path")
.data(graph.links)
.join("path")
.attr("stroke", d => d.source.group === d.target.group ? color(d.source.group) : color(d.target.group))
.attr("d", arc);
///////
let highlight = svg.append("g")
.attr("x", margin.left + 4000)
.attr("y", 2000)
.attr("width", "100%")
.attr("height", "100%")
.attr("fill", "#333")
.attr("fill-opacity", 1)
.style("font-size", "4vw")
.style("font-weight", 700);
let alias = highlight
.append("text")
.style("font-size", "3vw")
.attr("x", margin.left + 250)
.attr("y", 480)
.attr("dy", "-0.3em");
const overlay = svg.append("g")
.attr("fill", "none")
.attr("pointer-events", "all")
.selectAll("rect")
.data(graph.nodes)
.join("rect")
.attr("width", margin.left + 40)
.attr("height", step)
.attr("y", d => y(d.id) - step / 2)
.on("mouseover", d => {
svg.classed("hover", true);
label.classed("primary", n => n === d);
//label.classed("primary", n => n === d);
//label.classed("secondary_c", n => n === d);
label.style("font-size", function(label_d){ return label_d.id === d.id ? 12 : 10});
// label.selectAll('circle').style("r",function(label_d){return label_d.sourceLinks.length+label_d.targetLinks.length});
// label.classed('primary', n=> n.addTooltip(d3.select(this)));
label.classed("secondary", n => n.sourceLinks.some(l => l.target === d) || n.targetLinks.some(l => l.source === d));
path.classed("primary", l => l.source === d || l.target === d).filter(".primary").raise();
// path.classed("primary", l => l.source === d || l.target === d).filter(".primary").style('stroke', 'firebrick').raise();
alias.text(d.id+ " has "+(d.sourceLinks.length+d.targetLinks.length)+" connection(s) in total" ).attr("fill", "pink");
})
.on("mouseout", d => {
svg.classed("hover", false);
path.classed("primary", false).order();
alias.text("")
});
selector.on('change', function() {
svg.attr("fill", this.value);
})
function update() {
y.domain(graph.nodes.sort(viewof order.value).map(d => d.id));
const t = svg.transition()
.duration(750);
label.transition(t)
.delay((d, i) => i * 20)
.attrTween("transform", d => {
const i = d3.interpolateNumber(d.y, y(d.id));
return t => `translate(${margin.left},${d.y = i(t)})`;
});
path.transition(t)
.duration(750 + graph.nodes.length * 20)
.attrTween("d", d => () => arc(d));
overlay.transition(t)
.delay((d, i) => i * 20)
.attr("y", d => y(d.id) - step / 2);
}
viewof order.addEventListener("input", update);
invalidation.then(() => viewof order.removeEventListener("input", update));
// const container = d3.select(DOM.svg(1000, 300));
const limit = 10;
//const imageLink = 'https://upload.wikimedia.org/wikipedia/commons/4/47/Golf_ball.svg';
const imageHeight = 20
// define some css commands for styling text
/* const styleText = `text {
font: 1.2em sans-serif;
text-anchor: middle;
fill: white;
}` */
// svg.append("style").text(styleText);
const pinkGroup = svg
.append("g")
.attr("transform", () => "translate(" + 600 + "," + 20 + ")")
.attr("id", "pinkGroup")
.attr('fill', '#ff96ca')
/*const greenGroup = svg
.append("g")
.attr("transform", () => "translate(" + 100 + "," + 20 + ")")
.attr("id", "greenGroup")
.attr("fill","lime")*/
/*function init(svg, value) {
svg.attr("value", value);
svg.append("circle")
.attr("r", '20')
svg.append("text")
.text(svg.attr("value"))
.attr("fill", "#ff96ca")
.attr("dy", "0.35em")
// this is code to initialize the rectangles
// we need a dataset of values to bind the rectangles to, from 1 to value
const arrayOfInts = d3.range(1,value+1);
const imageLink2 = 'https://upload.wikimedia.org/wikipedia/commons/4/47/Golf_ball.svg';
console.log(imageLink2)
// this creates rectangles at a constant x position, with y a function of arrayOfInts
// it is very important to create a unique id for each rectangle so we can select them later
svg.selectAll("image")
.data(arrayOfInts)
.enter().append("image")
.attr('xlink:href', imageLink2)
.attr("width", imageHeight)
.attr("height", imageHeight)
.attr("x", -10 )
.attr("y", d => d*imageHeight)
.attr("id", d => svg.attr("id") + "image" + d);
}*/
label.on("mouseover", function(d) {
pinkGroup.attr("value", function(d){return d.sourceLinks.length+d.targetLinks.length});
pinkGroup.append("circle")
.attr("r", '20')
pinkGroup.append("text")
.text(svg.attr("value"))
.attr("fill", "#ff96ca")
.attr("dy", "0.35em")
// this is code to initialize the rectangles
// we need a dataset of values to bind the rectangles to, from 1 to value
const arrayOfInts = d3.range(1,d.sourceLinks.length+d.targetLinks.length+1);
const imageLink2 = 'https://upload.wikimedia.org/wikipedia/commons/4/47/Golf_ball.svg';
console.log(imageLink2)
// this creates rectangles at a constant x position, with y a function of arrayOfInts
// it is very important to create a unique id for each rectangle so we can select them later
pinkGroup.selectAll("image")
.data(arrayOfInts)
.enter().append("image")
.attr('xlink:href', imageLink2)
.attr("width", imageHeight)
.attr("height", imageHeight)
.attr("x", -10 )
.attr("y", d => d*imageHeight)
.attr("id", d => svg.attr("id") + "image" + d);
})
// call the initialization functions
// const score1 = 4
//init(pinkGroup, score1)
//init(greenGroup, limit-3);
function updateScores(svg1) {
let score1 = +svg1.attr("value");
const imageLink2 = 'https://upload.wikimedia.org/wikipedia/commons/4/47/Golf_ball.svg'
// add rectangle to svg1; x value stays constant;
// y is a function of the current value; this grows the rectangle at the bottom
svg1
.append("image").attr('xlink:href', imageLink2)
.attr("width", imageHeight).attr("height", imageHeight)
.attr("x", -10 )
.attr("y", score1*imageHeight)
.attr("id", svg1.attr("id") + "image" + score1);
}
selector.on('change', function() {
if (this.value == "Only same group"){
path.attr("stroke", d=>d.source.group === d.target.group ? color(d.source.group) :"grey");}
else if (this.value == "Only different group"){
path.attr("stroke", d=>d.source.group !== d.target.group ? color(d.source.group) :"grey");}
else if (this.value == "Show all links"){
path.attr("stroke", d=>color(d.source.group));}
})
return div.node()}
//return svg.node();
//}
practice ={
const outerDiv = d3.create("div").attr("id", "outerDiv").attr("height", 1000);
// append a <p></p>
outerDiv.append("p").text("I'm in outer space!");
outerDiv.append("svg").attr("id", "svg1").attr("height", 50)
.append("circle").attr("cx",10).attr("cy", 10).attr("r",10).attr("fill","purple")
}
function arc(d) {
const y1 = d.source.y;
const y2 = d.target.y;
const r = Math.abs(y2 - y1) / 2;
return `M${margin.left},${y1}A${r},${r} 0,0,${y1 < y2 ? 1 : 0} ${margin.left},${y2}`;
}
y = d3.scalePoint(graph.nodes.map(d => d.id).sort(d3.ascending), [margin.top, height - margin.bottom])
margin = ({top: 20, right: 20, bottom: 20, left: 100})
height = (data.nodes.length - 1) * step + margin.top + margin.bottom
step = 14
color = d3.scaleOrdinal(graph.nodes.map(d => d.group).sort(d3.ascending), d3.schemeCategory10)
graph = {
const nodes = data.nodes.map(({id, group}) => ({
id,
sourceLinks: [],
targetLinks: [],
group
}));
const nodeById = new Map(nodes.map(d => [d.id, d]));
const links = data.links.map(({source, target, value}) => ({
source: nodeById.get(source),
target: nodeById.get(target),
value
}));
for (const link of links) {
const {source, target, value} = link;
source.sourceLinks.push(link);
target.targetLinks.push(link);
}
return {nodes, links};
}
data = FileAttachment("miserables.json").json()
d3 = require("d3@5")
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