createGraphFromNodeMatrix.js
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import * as zrUtil from 'zrender/src/core/util';
import List from '../../data/List';
import Graph from '../../data/Graph';
import linkList from '../../data/helper/linkList';
import createDimensions from '../../data/helper/createDimensions';
import CoordinateSystem from '../../CoordinateSystem';
import createListFromArray from './createListFromArray';
/**
* 从邻接矩阵生成
* ```
* TARGET
* -1--2--3--4--5-
* 1| x x x x x
* 2| x x x x x
* 3| x x x x x SOURCE
* 4| x x x x x
* 5| x x x x x
* ```
*
* @param {Array.<Object>} nodes 节点信息
* @param {Array} matrix 邻接矩阵
* @param {module:echarts/model/Series}
* @param {boolean} directed 是否是有向图
* @return {module:echarts/data/Graph}
*/
export default function (nodes, matrix, hostModel, directed) {
var graph = new Graph(directed);
for (var i = 0; i < nodes.length; i++) {
graph.addNode(zrUtil.retrieve(
// Id, name, dataIndex
nodes[i].id, nodes[i].name, i
), i);
}
var size = matrix.length;
var links = [];
var linkCount = 0;
for (var i = 0; i < size; i++) {
for (var j = 0; j < size; j++) {
var val = matrix[i][j];
if (val === 0) {
continue;
}
var n1 = graph.nodes[i];
var n2 = graph.nodes[j];
var edge = graph.addEdge(n1, n2, linkCount);
if (edge) {
linkCount++;
links.push({
value: val
});
}
}
}
var coordSys = hostModel.get('coordinateSystem');
var nodeData;
if (coordSys === 'cartesian2d' || coordSys === 'polar') {
nodeData = createListFromArray({data: nodes}, hostModel);
}
else {
// FIXME
var coordSysCtor = CoordinateSystem.get(coordSys);
// FIXME
var dimensionNames = createDimensions(nodes, {
coordDimensions: (
(coordSysCtor && coordSysCtor.type !== 'view')
? (coordSysCtor.dimensions || []) : []
).concat(['value'])
});
nodeData = new List(dimensionNames, hostModel);
nodeData.initData(nodes);
}
var edgeData = new List(['value'], hostModel);
edgeData.initData(links);
linkList({
mainData: nodeData,
struct: graph,
structAttr: 'graph',
datas: {node: nodeData, edge: edgeData},
datasAttr: {node: 'data', edge: 'edgeData'}
});
// Update dataIndex of nodes and edges because invalid edge may be removed
graph.update();
return graph;
}