Map tooltip

src/action/geoRoam.js

 define(function (require) {
 
+    var zrUtil = require('zrender/core/util');
+
     var echarts = require('../../echarts');
     var actionInfo = {
         type: 'geoRoam',
@@ -20,13 +22,6 @@ define(function (require) {
     echarts.registerAction(actionInfo, function (payload, ecModel) {
         var componentType = payload.component || 'series';
 
-        function syncRoamOfAllMapSeries(mapType, panX, panY, zoom) {
-            ecModel.eachSeriesByTypeAll('map', function (seriesModel) {
-                seriesModel.setRoamPan(panX, panY);
-                seriesModel.setRoamZoom(zoom);
-            });
-        }
-
         ecModel.eachComponent(componentType, function (componentModel) {
             if (componentModel.name === payload.name) {
                 var dx = payload.dx;
@@ -73,9 +68,10 @@ define(function (require) {
                 // All map series with same `map` use the same geo coordinate system
                 // So the roamDetail must be in sync. Include the series not selected by legend
                 if (componentType === 'series') {
-                    syncRoamOfAllMapSeries(
-                        componentModel.get('map'), panX, panY, (zoom || 1) * previousZoom
-                    );
+                    zrUtil.each(componentModel.seriesGroup, function (seriesModel) {
+                        seriesModel.setRoamPan(panX, panY);
+                        seriesModel.setRoamZoom(zoom);
+                    })
                 }
             }
         });

src/chart/map/MapSeries.js

@@ -5,6 +5,10 @@ define(function (require) {
     var SeriesModel = require('../../model/Series');
     var zrUtil = require('zrender/core/util');
 
+    var formatUtil = require('../../util/format');
+    var encodeHTML = formatUtil.encodeHTML;
+    var addCommas = formatUtil.addCommas;
+
     var dataSelectableMixin = require('../helper/dataSelectableMixin');
 
     function fillData(dataOpt, geoJson) {
@@ -36,6 +40,12 @@ define(function (require) {
          */
         needsDrawMap: false,
 
+        /**
+         * Group of all map series with same mapType
+         * @type {boolean}
+         */
+        seriesGroup: [],
+
         init: function (option, parentModel, ecModel, dependentModels, seriesIndex) {
 
             option = this._fillOption(option);
@@ -95,6 +105,29 @@ define(function (require) {
             }
         },
 
+        /**
+         * Map tooltip formatter
+         *
+         * @param {number} dataIndex
+         */
+        formatTooltip: function (dataIndex) {
+            var data = this._data;
+            var formattedValue = addCommas(data.getRawValue(dataIndex));
+            var name = data.getName(dataIndex, true);
+
+            var seriesGroup = this.seriesGroup;
+            var seriesNames = [];
+            for (var i = 0; i < seriesGroup.length; i++) {
+                var subData = seriesGroup[i].getData();
+                if (!isNaN(subData.getRawValue(dataIndex))) {
+                    seriesNames.push(seriesGroup[i].name);
+                }
+            }
+
+            return seriesNames.join(', ') + '<br />'
+                + name + ' : ' + formattedValue;
+        },
+
         defaultOption: {
             // 一级层叠
             zlevel: 0,

src/chart/map/mapDataStatistic.js

@@ -57,6 +57,7 @@ define(function (require) {
             seriesList[0].setData(data);
 
             for (var i = 0; i < seriesList.length; i++) {
+                seriesList[i].seriesGroup = seriesList;
                 seriesList[i].needsDrawMap = i === 0;
             }
         });