| /* |
| title: Force Layout |
| category: graph |
| titleCN: 力引导布局 |
| difficulty: 1 |
| */ |
| |
| function createNodes(count) { |
| var nodes = []; |
| for (var i = 0; i < count; i++) { |
| nodes.push({ |
| id: i |
| }); |
| } |
| return nodes; |
| } |
| |
| function createEdges(count) { |
| var edges = []; |
| if (count === 2) { |
| return [ |
| [0, 1] |
| ]; |
| } |
| for (var i = 0; i < count; i++) { |
| edges.push([i, (i + 1) % count]); |
| } |
| return edges; |
| } |
| |
| var datas = []; |
| for (var i = 0; i < 16; i++) { |
| datas.push({ |
| nodes: createNodes(i + 2), |
| edges: createEdges(i + 2) |
| }); |
| } |
| |
| option = { |
| series: datas.map(function (item, idx) { |
| return { |
| type: 'graph', |
| layout: 'force', |
| animation: false, |
| data: item.nodes, |
| left: (idx % 4) * 25 + '%', |
| top: Math.floor(idx / 4) * 25 + '%', |
| width: '25%', |
| height: '25%', |
| force: { |
| // initLayout: 'circular' |
| // gravity: 0 |
| repulsion: 60, |
| edgeLength: 2 |
| }, |
| edges: item.edges.map(function (e) { |
| return { |
| source: e[0], |
| target: e[1] |
| }; |
| }) |
| }; |
| }) |
| }; |