332 lines
9.4 KiB
JavaScript
332 lines
9.4 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _config = require("../../config");
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var __DEV__ = _config.__DEV__;
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var SeriesModel = require("../../model/Series");
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var List = require("../../data/List");
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var _util = require("zrender/lib/core/util");
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var concatArray = _util.concatArray;
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var mergeAll = _util.mergeAll;
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var map = _util.map;
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var _format = require("../../util/format");
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var encodeHTML = _format.encodeHTML;
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var CoordinateSystem = require("../../CoordinateSystem");
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* global Uint32Array, Float64Array, Float32Array */
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var Uint32Arr = typeof Uint32Array === 'undefined' ? Array : Uint32Array;
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var Float64Arr = typeof Float64Array === 'undefined' ? Array : Float64Array;
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function compatEc2(seriesOpt) {
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var data = seriesOpt.data;
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if (data && data[0] && data[0][0] && data[0][0].coord) {
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seriesOpt.data = map(data, function (itemOpt) {
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var coords = [itemOpt[0].coord, itemOpt[1].coord];
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var target = {
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coords: coords
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};
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if (itemOpt[0].name) {
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target.fromName = itemOpt[0].name;
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}
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if (itemOpt[1].name) {
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target.toName = itemOpt[1].name;
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}
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return mergeAll([target, itemOpt[0], itemOpt[1]]);
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});
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}
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}
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var LinesSeries = SeriesModel.extend({
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type: 'series.lines',
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dependencies: ['grid', 'polar'],
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visualColorAccessPath: 'lineStyle.color',
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init: function (option) {
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// The input data may be null/undefined.
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option.data = option.data || []; // Not using preprocessor because mergeOption may not have series.type
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compatEc2(option);
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var result = this._processFlatCoordsArray(option.data);
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this._flatCoords = result.flatCoords;
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this._flatCoordsOffset = result.flatCoordsOffset;
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if (result.flatCoords) {
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option.data = new Float32Array(result.count);
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}
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LinesSeries.superApply(this, 'init', arguments);
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},
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mergeOption: function (option) {
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compatEc2(option);
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if (option.data) {
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// Only update when have option data to merge.
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var result = this._processFlatCoordsArray(option.data);
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this._flatCoords = result.flatCoords;
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this._flatCoordsOffset = result.flatCoordsOffset;
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if (result.flatCoords) {
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option.data = new Float32Array(result.count);
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}
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}
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LinesSeries.superApply(this, 'mergeOption', arguments);
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},
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appendData: function (params) {
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var result = this._processFlatCoordsArray(params.data);
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if (result.flatCoords) {
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if (!this._flatCoords) {
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this._flatCoords = result.flatCoords;
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this._flatCoordsOffset = result.flatCoordsOffset;
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} else {
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this._flatCoords = concatArray(this._flatCoords, result.flatCoords);
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this._flatCoordsOffset = concatArray(this._flatCoordsOffset, result.flatCoordsOffset);
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}
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params.data = new Float32Array(result.count);
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}
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this.getRawData().appendData(params.data);
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},
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_getCoordsFromItemModel: function (idx) {
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var itemModel = this.getData().getItemModel(idx);
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var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords');
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return coords;
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},
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getLineCoordsCount: function (idx) {
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if (this._flatCoordsOffset) {
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return this._flatCoordsOffset[idx * 2 + 1];
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} else {
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return this._getCoordsFromItemModel(idx).length;
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}
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},
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getLineCoords: function (idx, out) {
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if (this._flatCoordsOffset) {
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var offset = this._flatCoordsOffset[idx * 2];
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var len = this._flatCoordsOffset[idx * 2 + 1];
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for (var i = 0; i < len; i++) {
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out[i] = out[i] || [];
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out[i][0] = this._flatCoords[offset + i * 2];
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out[i][1] = this._flatCoords[offset + i * 2 + 1];
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}
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return len;
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} else {
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var coords = this._getCoordsFromItemModel(idx);
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for (var i = 0; i < coords.length; i++) {
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out[i] = out[i] || [];
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out[i][0] = coords[i][0];
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out[i][1] = coords[i][1];
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}
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return coords.length;
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}
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},
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_processFlatCoordsArray: function (data) {
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var startOffset = 0;
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if (this._flatCoords) {
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startOffset = this._flatCoords.length;
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} // Stored as a typed array. In format
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// Points Count(2) | x | y | x | y | Points Count(3) | x | y | x | y | x | y |
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if (typeof data[0] === 'number') {
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var len = data.length; // Store offset and len of each segment
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var coordsOffsetAndLenStorage = new Uint32Arr(len);
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var coordsStorage = new Float64Arr(len);
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var coordsCursor = 0;
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var offsetCursor = 0;
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var dataCount = 0;
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for (var i = 0; i < len;) {
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dataCount++;
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var count = data[i++]; // Offset
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coordsOffsetAndLenStorage[offsetCursor++] = coordsCursor + startOffset; // Len
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coordsOffsetAndLenStorage[offsetCursor++] = count;
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for (var k = 0; k < count; k++) {
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var x = data[i++];
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var y = data[i++];
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coordsStorage[coordsCursor++] = x;
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coordsStorage[coordsCursor++] = y;
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if (i > len) {}
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}
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}
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return {
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flatCoordsOffset: new Uint32Array(coordsOffsetAndLenStorage.buffer, 0, offsetCursor),
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flatCoords: coordsStorage,
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count: dataCount
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};
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}
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return {
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flatCoordsOffset: null,
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flatCoords: null,
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count: data.length
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};
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},
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getInitialData: function (option, ecModel) {
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var lineData = new List(['value'], this);
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lineData.hasItemOption = false;
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lineData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {
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// dataItem is simply coords
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if (dataItem instanceof Array) {
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return NaN;
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} else {
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lineData.hasItemOption = true;
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var value = dataItem.value;
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if (value != null) {
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return value instanceof Array ? value[dimIndex] : value;
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}
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}
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});
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return lineData;
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},
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formatTooltip: function (dataIndex) {
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var data = this.getData();
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var itemModel = data.getItemModel(dataIndex);
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var name = itemModel.get('name');
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if (name) {
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return name;
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}
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var fromName = itemModel.get('fromName');
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var toName = itemModel.get('toName');
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var html = [];
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fromName != null && html.push(fromName);
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toName != null && html.push(toName);
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return encodeHTML(html.join(' > '));
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},
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preventIncremental: function () {
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return !!this.get('effect.show');
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},
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getProgressive: function () {
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var progressive = this.option.progressive;
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if (progressive == null) {
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return this.option.large ? 1e4 : this.get('progressive');
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}
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return progressive;
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},
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getProgressiveThreshold: function () {
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var progressiveThreshold = this.option.progressiveThreshold;
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if (progressiveThreshold == null) {
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return this.option.large ? 2e4 : this.get('progressiveThreshold');
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}
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return progressiveThreshold;
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},
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defaultOption: {
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coordinateSystem: 'geo',
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zlevel: 0,
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z: 2,
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legendHoverLink: true,
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hoverAnimation: true,
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// Cartesian coordinate system
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xAxisIndex: 0,
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yAxisIndex: 0,
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symbol: ['none', 'none'],
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symbolSize: [10, 10],
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// Geo coordinate system
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geoIndex: 0,
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effect: {
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show: false,
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period: 4,
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// Animation delay. support callback
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// delay: 0,
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// If move with constant speed px/sec
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// period will be ignored if this property is > 0,
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constantSpeed: 0,
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symbol: 'circle',
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symbolSize: 3,
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loop: true,
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// Length of trail, 0 - 1
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trailLength: 0.2 // Same with lineStyle.color
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// color
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},
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large: false,
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// Available when large is true
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largeThreshold: 2000,
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// If lines are polyline
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// polyline not support curveness, label, animation
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polyline: false,
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// If clip the overflow.
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// Available when coordinateSystem is cartesian or polar.
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clip: true,
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label: {
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show: false,
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position: 'end' // distance: 5,
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// formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
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},
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lineStyle: {
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opacity: 0.5
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}
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}
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});
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var _default = LinesSeries;
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module.exports = _default;
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