series.map type default value
The series type for map is 'map', which is the default value.
series-map
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Map series coordinate system default
Map series uses 'geo' as the default coordinate system.
mapValueCalculation option for multiple map series
The mapValueCalculation option specifies how to calculate values when multiple series share the same map type. Default is 'sum'. Supported values are: 'sum', 'average', 'max', 'min'.
showLegendSymbol option for map series
The showLegendSymbol option (boolean) controls whether to show the symbol in related area (dot of series symbol). This option is available only when the legend component exists.
Map data structure with name and value
Map series data is an array where each item represents a map area. Each data item must have a 'name' property (string) for the map area name such as 'China' or 'United Kingdom', and a 'value' property (number) for the numerical value of that area.
Map data item selected property
The selected property (boolean, default false) on map data items specifies whether the area is selected.
Map data itemStyle with areaColor
Each map data item can have an itemStyle object that styles the item polygon. The areaColor property specifies the color of the area.
Map data label default position
The default position for labels on map data items is 'bottom'.
Map series emphasis state
Map series supports an emphasis state for specified regions, which can be configured separately from the normal state.
Map series select state
Map series supports a select state for polygons, which can be configured separately to control the appearance when a region is selected.
Map purpose and use case
Map is mainly used for visualization of geographic area data and can be used with the visualMap component to visualize data such as population distribution density in different areas.
Map series with same type display in one map
Series of the same map type will show together in one map. In this case, the configuration of the first series will be used for the map configuration.