WIP messy graph

filtering
Ruben van de Ven 2 years ago
parent 13f0a83475
commit 17d5584eb7

@ -169,7 +169,7 @@
<!-- <script src="https://d3js.org/d3.v6.min.js"></script> -->
<script src="d3.v6.min.js"></script>
<script src="d3.v6.js"></script>
<script src="graph.js"></script>
</html>

@ -148,4 +148,12 @@ a, a:link{
}
a:hover{
text-decoration: underline;
}
#filters{
position: fixed;
left: 0;
top: 0;
background: white;
padding: 10px;
}

@ -7,12 +7,13 @@ const CONFIG = {
'labels': {
'rotate': true,
},
'countries': ['Austria', 'Italy', 'Belgium', 'Latvia', 'Bulgaria', 'Lithuania', 'Croatia', 'Luxembourg', 'Cyprus', 'Malta', 'Czechia', 'Netherlands', 'Denmark', 'Poland', 'Estonia ', 'Portugal', 'Finland ', 'Romania', 'France', 'Slovakia', 'Germany', 'Slovenia', 'Greece', 'Spain', 'Hungary', 'Sweden', 'Ireland'],
'countries': ['Austria', 'Italy', 'Belgium', 'Latvia', 'Bulgaria', 'Lithuania', 'Croatia', 'Luxembourg', 'Cyprus', 'Malta', 'Czechia', 'Netherlands', 'Denmark', 'Poland', 'Estonia', 'Portugal', 'Finland ', 'Romania', 'France', 'Slovakia', 'Germany', 'Slovenia', 'Greece', 'Spain', 'Hungary', 'Sweden', 'Ireland'],
'eu': {
'lonMin': -10,
'lonMax': 35,
'center': [11, 47],
}
},
"filters": ["Institution", "Deployments", "Technology", "Dataset"],
};
@ -20,6 +21,41 @@ const CONFIG = {
var graph, store;
var filteredCategories = [];//= ["Institution"];
CONFIG.filters.forEach(f => {
let labelEl = document.createElement('label')
let inputEl = document.createElement('input')
let textEl = document.createElement('span');
inputEl.type = "checkbox";
textEl.innerText = f;
labelEl.appendChild(inputEl);
labelEl.appendChild(textEl);
if(!filteredCategories.includes(f)) {
inputEl.checked = true;
}
inputEl.addEventListener('change', function(e){
if(e.target.checked) {
filteredCategories.forEach((d, i) => {
if(d == f) {
filteredCategories.splice(i, 1);
}
});
} else {
if(!filteredCategories.includes(f)) {
filteredCategories.push(f);
}
}
filter();
update();
})
document.getElementById('filters').appendChild(labelEl);
})
function getSizeForNode(node) {
// if (node.hasOwnProperty('https://schema.org/thumbnailUrl')) return nodeSize;
// if (weights[node['@id']]) return nodeSize * weights[node['@id']];
@ -130,12 +166,12 @@ const svg = d3.select("svg")
// SET UP MAP:
const projection = d3.geoHill()
.rotate([-12, 0, 0])
// .translate([width / 2, height * 1.5])
// .scale(height * 1.5);
.translate([width / 2, height * 1.5])
.scale(height * 1.5);
const proj = d3.geoPath().projection(projection);
const graticule = d3.geoGraticule10();
let euCenter;
const euCenter = projection(CONFIG.eu.center);
const container = svg.append("g").attr("id", "container");
// container.append("circle").attr("cx", euCenter[0]).attr("cy", euCenter[1]).attr("r", 500).attr("fill","red")
@ -146,6 +182,7 @@ const g_graticule = container.append("g")
.append('path')
.attr("class", "graticule")
.attr("fill", "none")
.attr('d', proj(graticule))
.attr("stroke-width", "!px")
.attr("stroke", (n) => {
return "lightgray";
@ -160,17 +197,32 @@ function sizeWindow() {
.attr("viewBox", [0, 0, width, height])
.attr("width", width)
.attr("height", height);
projection
.translate([width / 2, height * 1.5])
.scale(height * 1.5);
g_graticule.attr('d', proj(graticule))
euCenter = projection(CONFIG.eu.center);
//
//
// update();
}
sizeWindow()
window.addEventListener('resize', sizeWindow);
svg.call(d3.zoom().scaleExtent([0.3, 8]).on("start", function () {
svg.node().classList.add("dragging");
}).on("end", function () {
svg.node().classList.remove("dragging");
}).on("zoom", function ({ transform }) {
container.attr("transform", transform);
}));
var node = container.append("g")
.attr('class', 'nodes')
.selectAll(".node");
var link = container.append("g")
.attr('class', 'links')
.selectAll(".link");
// let linkLines = link.selectAll('line');
// REQUEST ATLAS & GRAPH
const req_data = new Request(CONFIG.dataUrl, { method: 'GET' });
@ -224,7 +276,7 @@ const simulation = d3.forceSimulation()
.force("collision", d3.forceCollide(function (d) {
return getSizeForNode(d) * 1.5; // avoid overlapping nodes
}))
.force("outsideEu", d3.forceRadial(500, euCenter[0], euCenter[1])
.force("outsideEu", d3.forceRadial(height/2.7, euCenter[0], euCenter[1])
.strength(function (node, idx) {
// return 1;
if (store.nodesBorderingEu.indexOf(node) !== -1) {
@ -245,10 +297,11 @@ function buildGraph(data, world) {
console.log('all nodes', nodes);
const nodeMap = Object.fromEntries(nodes.map(d => [d['@id'], d]));
const links = data.links.filter(l => nodeMap[l.source] && nodeMap[l.target]).map(d => Object.create(d));
console.log(nodeMap, links);
graph = {
"nodes": [...nodes],
"links": [...links],
"nodes": [],
"links": [],
}
store = {
"nodes": [...nodes],
@ -256,12 +309,14 @@ function buildGraph(data, world) {
"nodesBorderingEu": links.filter(l => l.name == 'City' && (nodeMap[l.target].lon < CONFIG.eu.lonMin || nodeMap[l.target].lon > CONFIG.eu.lonMax)).map(l => nodeMap[l.source]),
}
filter();
// the .source and .target attributes are still ID's. Only after initialisation of the force are they replaced with their representative objects
const nodesEastOfEu = links.filter(l => l.name == 'City' && (nodeMap[l.target].lon < CONFIG.eu.lonMin)).map(l => nodeMap[l.source]);
g_countries.selectAll("path")
var c = g_countries.selectAll("path")
.data(countries)
.enter()
.append("path")
@ -271,12 +326,10 @@ function buildGraph(data, world) {
if (CONFIG.countries.indexOf(n.properties.name) !== -1) {
return '';
}
return "lightgray";
return "rgba(200,200,200,.7)";
});
g_borders//.selectAll("path")
// .data(borders)
// .enter()
g_borders
.append("path")
.attr("class", "borders")
.attr("d", proj(borders))
@ -286,23 +339,6 @@ function buildGraph(data, world) {
return "white";
});
const link = container.append("g")
.attr('class', 'links')
.selectAll(".link")
.data(links)
.join("g")
.attr("class", "link")
;
// link.exit().remove();
const linkLine = link
.append("line").
attr("marker-end", "url(#arrowHead)");
const linkText = link.filter((l) => l.name != "City").append("text").text(function (l) {
return l.name;
});
nodes.forEach(function (d) {
d.x = euCenter[0];
d.y = euCenter[1];
@ -327,81 +363,103 @@ function buildGraph(data, world) {
d.fy = p[1];
}
})
const node = container.append("g")
.attr('class', 'nodes')
.selectAll(".node")
.data(nodes)
.join("g")
.attr('class', getClasses)
.call(drag(simulation))
.on("click", (evt, n) => selectNode(evt, n, node))
;
update();
node
.append('circle')
.attr("r", getSizeForNode)
// .call(drag(simulation));
return svg.node();
}
var nodeTitle = node.append('text').attr("class", "nodeTitle").attr("y", "5");
nodeTitle
.each(function (node, nodes) {
var textLength = void 0;
const self = d3.select(this);
const titleText = getTitle(node);
var titleTexts = false;
if (titleText.length > 20) {
titleTexts = splitText(titleText);
}
if (titleTexts !== false) {
const tspan1 = self.append("tspan").text(titleTexts[0]).attr("y", "-10").attr("x", "0");
const tspan = self.append("tspan").text(titleTexts[1]).attr("y", "10").attr("x", "0");
const textLength1 = tspan.node().getComputedTextLength();
const textLength2 = tspan.node().getComputedTextLength();
textLength = Math.max(textLength1, textLength2);
} else {
self.text(titleText);
textLength = self.node().getComputedTextLength();
}
// scale according to text length:
if (textLength > getSizeForNode(node) * 2) {
self.attr('transform', 'scale(' + getSizeForNode(node) * 2 / textLength / 1.05 + ')');
}
function update() {
// see also: https://www.createwithdata.com/enter-exit-with-d3-join/
node = node.data(graph.nodes, d => d.id)
.join(function (enter) {
let group = enter.append("g").attr("class", getClasses);
group.call(drag(simulation));
group.on("click", (evt, n) => selectNode(evt, n, node));
group.append('circle').attr("r", getSizeForNode);
var nodeTitle = group.append('text').attr("class", "nodeTitle").attr("y", "5");
nodeTitle
.each(function (node, nodes) {
var textLength = void 0;
const self = d3.select(this);
const titleText = getTitle(node);
var titleTexts = false;
if (titleText.length > 20) {
titleTexts = splitText(titleText);
}
if (titleTexts !== false) {
const tspan1 = self.append("tspan").text(titleTexts[0]).attr("y", "-10").attr("x", "0");
const tspan = self.append("tspan").text(titleTexts[1]).attr("y", "10").attr("x", "0");
const textLength1 = tspan.node().getComputedTextLength();
const textLength2 = tspan.node().getComputedTextLength();
textLength = Math.max(textLength1, textLength2);
} else {
self.text(titleText);
textLength = self.node().getComputedTextLength();
}
// scale according to text length:
if (textLength > getSizeForNode(node) * 2) {
self.attr('transform', 'scale(' + getSizeForNode(node) * 2 / textLength / 1.05 + ')');
}
});
return group;
});
// node.append("title")
// .text(d => d['@id']);
// let linkText;
// let linkLine;
link = link
.data(graph.links)
.join(
enter => {
console.log(enter);
let group = enter.append("g").attr("class", "link");
group.append("line").attr("marker-end", "url(#arrowHead)").attr('id', (d,i) => 'linkid_' + i);
group.filter((l) => l.name != "City").append("text").attr("class", "labelText").text(function (l) {
return l.name;
});
// group.append("text")
// .attr("class", "labelText")
// .attr("dx", 20)
// .attr("dy", 0)
// .style("fill", "red")
// .append("textPath")
// .attr("xlink:href", function (d, i) { return "#linkid_" + i; })
// .attr("startOffset","50%")
// .text((d,i) => d.name );
return group;
}
)
;
// let linkEnter = link.enter()
// let linkLine = link.selectAll('line');
// let newLinks = link.enter().append("g").attr("class","link");
// newLinks.append("line").attr("marker-end", "url(#arrowHead)");
// newLinks.filter((l) => l.name != "City").append("text").text(function (l) {
// return l.name;
// });
svg.call(d3.zoom().scaleExtent([0.3, 6]).on("start", function () {
svg.node().classList.add("dragging");
}).on("end", function () {
svg.node().classList.remove("dragging");
}).on("zoom", function ({ transform }) {
container.attr("transform", transform);
}));
// link.exit().remove();
// let linkLine = link.selectAll('line');
// let linkText = link.selectAll('text');
// // }) function(update){ return update }, function(exit) {
// // exit.remove();
// // })
simulation.on("tick", () => {
// ;
// console.log(link, linkText, linkLine)
data.nodes.forEach(function (d, idx) {
d.leftX = d.rightX = d.x;
// fix first node on center
// if(idx === 0) {
// d.fx = width/2;
// d.fy = height/2;
// return;
// }
});
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);
simulation.nodes(graph.nodes);
simulation.on("tick", () => {
// console.log('t', link._groups[0].length);
linkLine.each(function (d) {
var sourceX, targetX, midX, dx, dy, angle;
link.each(function (d) {
let sourceX, targetX, midX, dx, dy, angle;
// This mess makes the arrows exactly perfect.
// thanks to http://bl.ocks.org/curran/9b73eb564c1c8a3d8f3ab207de364bf4
@ -446,7 +504,31 @@ function buildGraph(data, world) {
d.targetX = targetX - Math.sin(angle) * tgtSize;
d.sourceY = d.source.y + Math.cos(angle) * srcSize;
d.targetY = d.target.y - Math.cos(angle) * tgtSize;
}).attr("x1", function (d) {
let rel = d3.select(this);
rel.select('line')
.attr("x1", d.sourceX)
.attr("y1", d.sourceY)
.attr("x2", d.targetX)
.attr("y2", d.targetY)
rel.select('text')
.attr("transform", function (d) {
const dx = (d.target.x - d.source.x) / 2;
const dy = (d.target.y - d.source.y) / 2;
const x = d.source.x + dx;
const y = d.source.y + dy;
const deg = Math.atan(dy / dx) * 180 / Math.PI;
// if dx/dy == 0/0 -> deg == NaN
if (isNaN(deg)) {
return "";
}
// return "";
return "translate(" + x + " " + y + ") rotate(" + (CONFIG.labels.rotate ? deg : 0) + ")";
});
})/*.attr("x1", function (d) {
return d.sourceX;
}).attr("y1", function (d) {
return d.sourceY;
@ -454,34 +536,13 @@ function buildGraph(data, world) {
return d.targetX;
}).attr("y2", function (d) {
return d.targetY;
});
linkText.attr("transform", function (d) {
const dx = (d.target.x - d.source.x) / 2;
const dy = (d.target.y - d.source.y) / 2;
const x = d.source.x + dx;
const y = d.source.y + dy;
const deg = Math.atan(dy / dx) * 180 / Math.PI;
// if dx/dy == 0/0 -> deg == NaN
if (isNaN(deg)) {
return "";
}
// return "";
return "translate(" + x + " " + y + ") rotate(" + (CONFIG.labels.rotate ? deg : 0) + ")";
});
});*/
// linkText
node
.attr("transform", d => `translate(${d.x}, ${d.y})`);
});
update();
return svg.node();
}
function update() {
simulation.nodes(graph.nodes)
// .on("tick", ticked)
simulation.force("link")
.links(graph.links);
@ -493,6 +554,55 @@ function update() {
}
}
}
// filter function
function filter() {
// add and remove nodes from data based on type filters
store.nodes.forEach(function (n) {
const cats = getCategories(n);
if (cats.every(c => filteredCategories.includes(c))) {
// hide
graph.nodes.forEach(function (d, i) {
if (n['@id'] === d['@id']) {
graph.nodes.splice(i, 1);
}
});
} else {
// add back
if (!graph.nodes.includes(n)) {
graph.nodes.push(n);
}
}
});
// add and remove links from data based on availability of nodes
let checkOn;
if(typeof store.links[0].source !== 'object') {
checkOn = graph.nodes.map(n => n['@id'])
} else {
checkOn = graph.nodes
}
store.links.forEach(function (l) {
if (!checkOn.includes(l.source) || !checkOn.includes(l.target)) {
// hide
console.log('hide!')
graph.links.forEach(function (d, i) {
if (l === d) {
graph.links.splice(i, 1);
}
});
} else if (!graph.links.includes(l)) {
graph.links[graph.links.length] = l;
// console.log('add', l, graph.links)
}
});
// console.log(graph.links)
}
@ -544,7 +654,12 @@ function selectNode(evt, node, d3Node) {
}
document.getElementById('closeInfo').addEventListener('click', (evt) => {
document.querySelectorAll('svg .node').forEach(n => n.classList.remove('selected'));
document.getElementById('nodeInfo').classList.add('hidden');
})
const closeEl = document.getElementById('closeInfo');
if(closeEl) {
document.getElementById('closeInfo').addEventListener('click', (evt) => {
document.querySelectorAll('svg .node').forEach(n => n.classList.remove('selected'));
document.getElementById('nodeInfo').classList.add('hidden');
})
}

@ -15,10 +15,14 @@
</svg>
<div id="nodeInfo" class='hidden'>
<!-- <div id="nodeInfo" class='hidden'>
<h2 class='nodeTitle'><a class='nodeHref' target="_blank"></a></h2>
<div id='closeInfo'>&times;</div>
<iframe class='nodeContents'></iframe>
</div> -->
<div id="filters">
</div>
<script src="https://d3js.org/d3.v6.js"></script>

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