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demo-bigdata.html
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demo-bigdata.html
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<!DOCTYPE>
<html>
<head>
<title>cytoscape-d3-force.js demo</title>
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
<script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
<!-- for testing with local version of cytoscape.js -->
<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
<script src="https://d3js.org/d3-dispatch.v1.min.js"></script>
<script src="https://d3js.org/d3-quadtree.v1.min.js"></script>
<script src="https://d3js.org/d3-timer.v1.min.js"></script>
<script src="https://d3js.org/d3-force.v2.min.js"></script>
<script>
window['d3-force'] = d3
</script>
<script src="cytoscape-d3-force.js"></script>
<style>
body {
font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
font-size: 14px;
position: relative;
}
#cy {
position: absolute;
left: 0;
top: 0;
bottom: 0;
right: 0;
z-index: 999;
}
h1 {
opacity: 0.5;
font-size: 1em;
font-weight: bold;
}
.cytoscape--container__loading{
position: absolute;
left: 0;
top: 0;
bottom: 0;
right: 0;
z-index: 2000;
background: #fff;
}
.progress-bar{
top: 50%;
margin-top: -15px;
left: 20%;
width: 60%;
text-align: center;
position: absolute;
overflow: hidden;
}
.progress-bar__outer{
width: 100%;
border-radius: 100px;
margin: 16px 0;
height: 10px;
background-color: #ebeef5;
overflow: hidden;
position: relative;
vertical-align: middle;
}
.progress-bar__inner{
position: absolute;
left: 0;
top: 0;
height: 100%;
background-color: #409eff;
text-align: right;
border-radius: 100px;
line-height: 1;
white-space: nowrap;
}
</style>
<script>
const group = ['hospital', 'clothes', 'computer', 'person', 'flower', 'tree', 'desk', 'house', 'water', 'cup']
const edgegroup = ['has', 'goto', 'love']
const year = ['2017', '2018', '2019']
const MAX_Y = 800
const MAX_X = 1500
function createId(salt, randomLength = 8) {
return (
(salt || '') +
Number(
Math.random()
.toString()
.substr(3, randomLength) + Date.now()
).toString(36)
)
}
function createNodes(num) {
let datas = []
for (let i = 0; i < num; i++) {
let _groupId = group[Math.floor(Math.random() * group.length)]
let data = {
id: createId('node_'),
position: {
x: Math.random() * MAX_X,
y: Math.random() * MAX_Y,
},
group: _groupId,
parent: _groupId
}
data.label = data.group + '-node' + i
datas.push({
group: 'nodes',
data,
id: data.id
})
}
return datas
}
function createParent (nodes) {
let _parents = Array.from(new Set(nodes.map(node => node.data.group))).filter(p => !nodes.find(node => node.data.id === p) && p !== 'person')
return _parents.map(p => {
return {
group: 'nodes',
data: {
id: p,
label: p
},
id: p
}
})
}
function createEdges(nodes, num) {
let edges = []
for (let i = 0; i < num - 1; i++) {
let target = nodes[i + 1].data.id
let source = nodes[Math.floor(Math.sqrt(i))].data.id
let edge = {
target,
source,
id: createId('edge_'),
group: edgegroup[Math.floor(Math.random() * edgegroup.length)],
time: year[Math.floor(Math.random() * year.length)] + '-' + Math.ceil(Math.random() * 12) + '-' + Math.ceil(Math.random() * 30)
}
edge.label = 'edge' + i
edge.name = 'edge' + i
edges.push({
data: edge,
group: 'edges',
id: edge.id
})
}
return edges
}
function createEdgesFromId(nodes, id) {
let edges = nodes.map(node => {
return {
group: 'edges',
data: {
target: node.data.id,
source: id,
id: createId('edge_'),
group: edgegroup[Math.floor(Math.random() * edgegroup.length)],
label: node.data.id + '-' + id,
name: node.data.id + '-' + id
}
}
})
return edges
}
function createData(num) {
let nodes = createNodes(num)
let edges = createEdges(nodes, num)
return nodes.concat(edges)// .concat(createParent(nodes))
}
function createChildren(id, num) {
let nodes = createNodes(num)
let edges = createEdgesFromId(nodes, id)
return nodes.concat(edges)
}
document.addEventListener('DOMContentLoaded', function(){
var cy = window.cy = cytoscape({
container: document.getElementById('cy'),
// demo your layout
layout: {
name: 'd3-force',
animate: false,
fit: false,
linkId: function id(d) {
return d.id;
},
linkDistance: 100,
manyBodyStrength: -600,
ready: function(){
document.getElementById('progress-box').style.display = 'block'
},
stop: function(){
document.getElementById('progress-box').style.display = 'none'
},
tick: function(progress) {
let text = (progress * 100).toFixed(1) + '%'
document.getElementById('progress-text').innerHTML = `正在计算布局，请稍后 ${text}`
document.getElementById('progress-bar').style.width = text
},
randomize: false,
infinite: false
},
style: [
{
selector: 'edge',
style: {
'curve-style': 'bezier',
'target-arrow-shape': 'triangle'
}
}
],
elements: createData(5000),
wheelSensitivity: 0.5,
});
});
</script>
</head>
<body>
<h1>cytoscape-d3-force demo</h1>
<div id="cy"></div>
<div class="cytoscape--container__loading" id="progress-box">
<div class="progress-bar">
<div class="progress-bar__outer">
<div class="progress-bar__inner" id="progress-bar"></div>
</div>
<div class="progress-bar__text" id="progress-text"></div>
</div>
<div>
</body>
</html>