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71 lines
1.5 KiB
Markdown
71 lines
1.5 KiB
Markdown
## mapper
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Associate the input range with the @antv/scale, @antv/attr and @antv/g2/src/component/legend
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constructor parameters:
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- itemType: 'node'/'edge. The type of the item being mapped.
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- dim: the dimension of the edge. e.g. 'class'
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- range: the range the of mapping result. e.g. [ 0, 1 ], ['#BAE7FF', '#1890FF', '#0050B3']
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- channel: the visual channel. e.g.'size', 'color'
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- othercfg:
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- scaleCfg: the configuration of the scale
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- legendCfg: the configuration of the legend
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null: no lengend.
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scale: scaling the size of the legend.
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## use
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simple use.
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```js
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const Mapper = G6.Plugins['tool.mapper']
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const nodeColorMapper = new Mapper('node', 'class', 'color', ['#BAE7FF', '#0050B3'], {
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legendCfg: {
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scale: 0.5
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}
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});
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const edgeSizeMapper = new Mapper('edge', 'weight', 'size', [2, 20], {
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legendCfg: null
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});
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const data = {
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nodes: [{
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id: 'node1',
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x: 100,
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y: 200,
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class: 'class_1'
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}, {
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id: 'node2',
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x: 300,
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y: 200,
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class: 'class_1'
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}, {
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id: 'node3',
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x: 100,
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y: 100,
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class: 'class_2'
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}, {
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id: 'node4',
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x: 300,
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y: 100,
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class: 'class_2'
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}],
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edges: [{
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target: 'node2',
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source: 'node1',
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weight: 5
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}, {
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target: 'node3',
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source: 'node2',
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weight: 20
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}, {
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target: 'node4',
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source: 'node3',
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weight: 50
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}]
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};
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const graph = new G6.Graph({
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id: 'mountNode', // dom id
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plugins: [nodeColorMapper, edgeSizeMapper],
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height: 1000,
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});
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graph.read(data);
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``` |