mirror of
https://gitee.com/antv/g6.git
synced 2024-12-03 20:28:36 +08:00
211 lines
4.9 KiB
HTML
211 lines
4.9 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8" />
|
|
<title>Custom Random Layout</title>
|
|
</head>
|
|
|
|
<body>
|
|
<div id="description">
|
|
自定义布局，根据数据中节点的属性分配随机坐标， cluster 为 a、b、c、d
|
|
的节点分别放置在左上角、右上角、左下角、右下角中
|
|
</div>
|
|
<div id="mountNode"></div>
|
|
<script src="../build/g6.js"></script>
|
|
<script>
|
|
const data = {
|
|
nodes: [
|
|
{
|
|
id: '0',
|
|
label: '0',
|
|
cluster: 'a',
|
|
},
|
|
{
|
|
id: '1',
|
|
label: '1',
|
|
cluster: 'b',
|
|
},
|
|
{
|
|
id: '2',
|
|
label: '2',
|
|
cluster: 'a',
|
|
},
|
|
{
|
|
id: '3',
|
|
label: '3',
|
|
cluster: 'a',
|
|
},
|
|
{
|
|
id: '4',
|
|
label: '4',
|
|
cluster: 'c',
|
|
},
|
|
{
|
|
id: '5',
|
|
label: '5',
|
|
cluster: 'c',
|
|
},
|
|
{
|
|
id: '6',
|
|
label: '6',
|
|
cluster: 'c',
|
|
},
|
|
{
|
|
id: '7',
|
|
label: '7',
|
|
cluster: 'b',
|
|
},
|
|
{
|
|
id: '8',
|
|
label: '8',
|
|
cluster: 'd',
|
|
},
|
|
{
|
|
id: '9',
|
|
label: '9',
|
|
cluster: 'd',
|
|
},
|
|
],
|
|
edges: [
|
|
{
|
|
source: '0',
|
|
target: '1',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '2',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '3',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '4',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '5',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '7',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '8',
|
|
},
|
|
{
|
|
source: '0',
|
|
target: '9',
|
|
},
|
|
{
|
|
source: '2',
|
|
target: '3',
|
|
},
|
|
{
|
|
source: '4',
|
|
target: '5',
|
|
},
|
|
{
|
|
source: '4',
|
|
target: '6',
|
|
},
|
|
{
|
|
source: '5',
|
|
target: '6',
|
|
},
|
|
],
|
|
};
|
|
|
|
G6.registerLayout('myLayout', {
|
|
execute() {
|
|
const self = this;
|
|
const nodes = self.nodes;
|
|
const clusterRectRatio = 1 / 5;
|
|
const padding = 50;
|
|
nodes.forEach(node => {
|
|
let pos = [0, 0];
|
|
switch (node.cluster) {
|
|
case 'a': {
|
|
pos = randomInRange(
|
|
[padding, self.width * clusterRectRatio],
|
|
[padding, self.height * clusterRectRatio],
|
|
);
|
|
break;
|
|
}
|
|
case 'b': {
|
|
pos = randomInRange(
|
|
[self.width * (1 - clusterRectRatio), self.width - padding],
|
|
[padding, self.height * clusterRectRatio],
|
|
);
|
|
break;
|
|
}
|
|
case 'c': {
|
|
pos = randomInRange(
|
|
[padding, self.width * clusterRectRatio],
|
|
[self.height * (1 - clusterRectRatio), self.height - padding],
|
|
);
|
|
break;
|
|
}
|
|
case 'd': {
|
|
pos = randomInRange(
|
|
[self.width * (1 - clusterRectRatio), self.width - padding],
|
|
[self.height * (1 - clusterRectRatio), self.height - padding],
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
node.x = pos[0];
|
|
node.y = pos[1];
|
|
});
|
|
},
|
|
});
|
|
|
|
const graph = new G6.Graph({
|
|
container: 'mountNode',
|
|
width: 800,
|
|
height: 600,
|
|
layout: {
|
|
type: 'myLayout',
|
|
},
|
|
animate: true,
|
|
modes: {
|
|
default: ['drag-node'],
|
|
},
|
|
defaultNode: {
|
|
size: [20, 20],
|
|
color: 'steelblue',
|
|
},
|
|
defaultEdge: {
|
|
size: 1,
|
|
color: '#e2e2e2',
|
|
style: {
|
|
endArrow: {
|
|
path: 'M 4,0 L -4,-4 L -4,4 Z',
|
|
d: 4,
|
|
},
|
|
},
|
|
},
|
|
});
|
|
graph.data(data);
|
|
graph.render();
|
|
|
|
// make the graph re-layout when the cluster info changed
|
|
setTimeout(() => {
|
|
data.nodes[0].cluster = 'd';
|
|
graph.layout();
|
|
}, 2000);
|
|
|
|
// generage random position with ranges of x and y
|
|
function randomInRange(xRange, yRange) {
|
|
const xScale = xRange[1] - xRange[0];
|
|
const yScale = yRange[1] - yRange[0];
|
|
const x = Math.random() * xScale + xRange[0];
|
|
const y = Math.random() * yScale + yRange[0];
|
|
return [x, y];
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|