ScatterView.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.
*/
var echarts = require("../../echarts");
var SymbolDraw = require("../helper/SymbolDraw");
var LargeSymbolDraw = require("../helper/LargeSymbolDraw");
var pointsLayout = require("../../layout/points");
/*
* 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.
*/
echarts.extendChartView({
type: 'scatter',
render: function (seriesModel, ecModel, api) {
var data = seriesModel.getData();
var symbolDraw = this._updateSymbolDraw(data, seriesModel);
symbolDraw.updateData(data);
this._finished = true;
},
incrementalPrepareRender: function (seriesModel, ecModel, api) {
var data = seriesModel.getData();
var symbolDraw = this._updateSymbolDraw(data, seriesModel);
symbolDraw.incrementalPrepareUpdate(data);
this._finished = false;
},
incrementalRender: function (taskParams, seriesModel, ecModel) {
this._symbolDraw.incrementalUpdate(taskParams, seriesModel.getData());
this._finished = taskParams.end === seriesModel.getData().count();
},
updateTransform: function (seriesModel, ecModel, api) {
var data = seriesModel.getData(); // Must mark group dirty and make sure the incremental layer will be cleared
// PENDING
this.group.dirty();
if (!this._finished || data.count() > 1e4 || !this._symbolDraw.isPersistent()) {
return {
update: true
};
} else {
var res = pointsLayout().reset(seriesModel);
if (res.progress) {
res.progress({
start: 0,
end: data.count()
}, data);
}
this._symbolDraw.updateLayout(data);
}
},
_updateSymbolDraw: function (data, seriesModel) {
var symbolDraw = this._symbolDraw;
var pipelineContext = seriesModel.pipelineContext;
var isLargeDraw = pipelineContext.large;
if (!symbolDraw || isLargeDraw !== this._isLargeDraw) {
symbolDraw && symbolDraw.remove();
symbolDraw = this._symbolDraw = isLargeDraw ? new LargeSymbolDraw() : new SymbolDraw();
this._isLargeDraw = isLargeDraw;
this.group.removeAll();
}
this.group.add(symbolDraw.group);
return symbolDraw;
},
remove: function (ecModel, api) {
this._symbolDraw && this._symbolDraw.remove(true);
this._symbolDraw = null;
},
dispose: function () {}
});