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node_modules/echarts/lib/chart/scatter/ScatterSeries.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 createListFromArray = require("../helper/createListFromArray");
+
+var SeriesModel = require("../../model/Series");
+
+/*
+* 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 _default = SeriesModel.extend({
+  type: 'series.scatter',
+  dependencies: ['grid', 'polar', 'geo', 'singleAxis', 'calendar'],
+  getInitialData: function (option, ecModel) {
+    return createListFromArray(this.getSource(), this, {
+      useEncodeDefaulter: true
+    });
+  },
+  brushSelector: 'point',
+  getProgressive: function () {
+    var progressive = this.option.progressive;
+
+    if (progressive == null) {
+      // PENDING
+      return this.option.large ? 5e3 : this.get('progressive');
+    }
+
+    return progressive;
+  },
+  getProgressiveThreshold: function () {
+    var progressiveThreshold = this.option.progressiveThreshold;
+
+    if (progressiveThreshold == null) {
+      // PENDING
+      return this.option.large ? 1e4 : this.get('progressiveThreshold');
+    }
+
+    return progressiveThreshold;
+  },
+  defaultOption: {
+    coordinateSystem: 'cartesian2d',
+    zlevel: 0,
+    z: 2,
+    legendHoverLink: true,
+    hoverAnimation: true,
+    // Cartesian coordinate system
+    // xAxisIndex: 0,
+    // yAxisIndex: 0,
+    // Polar coordinate system
+    // polarIndex: 0,
+    // Geo coordinate system
+    // geoIndex: 0,
+    // symbol: null,        // 图形类型
+    symbolSize: 10,
+    // 图形大小，半宽（半径）参数，当图形为方向或菱形则总宽度为symbolSize * 2
+    // symbolRotate: null,  // 图形旋转控制
+    large: false,
+    // Available when large is true
+    largeThreshold: 2000,
+    // cursor: null,
+    // label: {
+    // show: false
+    // distance: 5,
+    // formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
+    // position: 默认自适应，水平布局为'top'，垂直布局为'right'，可选为
+    //           'inside'|'left'|'right'|'top'|'bottom'
+    // 默认使用全局文本样式，详见TEXTSTYLE
+    // },
+    itemStyle: {
+      opacity: 0.8 // color: 各异
+
+    },
+    // If clip the overflow graphics
+    // Works on cartesian / polar series
+    clip: true // progressive: null
+
+  }
+});
+
+module.exports = _default;

node_modules/echarts/lib/chart/scatter/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, {
+      // TODO
+      // If this parameter should be a shape or a bounding volume
+      // shape will be more general.
+      // But bounding volume like bounding rect will be much faster in the contain calculation
+      clipShape: this._getClipShape(seriesModel)
+    });
+    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(), {
+      clipShape: this._getClipShape(seriesModel)
+    });
+
+    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);
+    }
+  },
+  _getClipShape: function (seriesModel) {
+    var coordSys = seriesModel.coordinateSystem;
+    var clipArea = coordSys && coordSys.getArea && coordSys.getArea();
+    return seriesModel.get('clip', true) ? clipArea : null;
+  },
+  _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 () {}
+});