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define(function (require) {
'use strict';
var SeriesModel = require('../../model/Series');
var List = require('../../data/List');
var zrUtil = require('zrender/core/util');
var CoordinateSystem = require('../../CoordinateSystem');
return SeriesModel.extend({
type: 'series.lines',
dependencies: ['grid', 'polar'],
getInitialData: function (option, ecModel) {
var fromDataArr = [];
var toDataArr = [];
var lineDataArr = [];
zrUtil.each(option.data, function (opt) {
fromDataArr.push(opt[0]);
toDataArr.push(opt[1]);
lineDataArr.push(zrUtil.extend(
zrUtil.extend({}, zrUtil.isArray(opt[0]) ? null : opt[0]),
zrUtil.isArray(opt[1]) ? null : opt[1]
));
});
// var coordSys = option.coordinateSystem;
// if (coordSys !== 'cartesian2d' && coordSys !== 'geo') {
// throw new Error('Coordinate system can only be cartesian2d or geo in lines');
// }
// var dimensions = coordSys === 'geo' ? ['lng', 'lat'] : ['x', 'y'];
var coordSys = CoordinateSystem.get(option.coordinateSystem);
if (!coordSys) {
throw new Error('Invalid coordinate system');
}
var dimensions = coordSys.dimensions;
var fromData = new List(dimensions, this);
var toData = new List(dimensions, this);
var lineData = new List(['value'], this);
function geoCoordGetter(item, dim, dataIndex, dimIndex) {
return item.coord && item.coord[dimIndex];
}
fromData.initData(fromDataArr, null, geoCoordGetter);
toData.initData(toDataArr, null, geoCoordGetter);
lineData.initData(lineDataArr);
this.fromData = fromData;
this.toData = toData;
return lineData;
},
formatTooltip: function (dataIndex) {
var fromName = this.fromData.getName(dataIndex);
var toName = this.toData.getName(dataIndex);
return fromName + ' > ' + toName;
},
defaultOption: {
coordinateSystem: 'geo',
zlevel: 0,
z: 2,
legendHoverLink: true,
hoverAnimation: true,
// Cartesian coordinate system
xAxisIndex: 0,
yAxisIndex: 0,
// Geo coordinate system
geoIndex: 0,
// symbol: null,
// symbolSize: 10,
// symbolRotate: null,
effect: {
show: false,
period: 4,
symbol: 'circle',
symbolSize: 3,
// Length of trail, 0 - 1
trailLength: 0.2
// Same with lineStyle.normal.color
// color
},
large: false,
// Available when large is true
largeThreshold: 2000,
label: {
normal: {
show: false,
position: 'end'
// distance: 5,
// formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
}
},
// itemStyle: {
// normal: {
// }
// },
lineStyle: {
normal: {
opacity: 0.5
}
}
}
});
});