Map


The Map widget is used for visualization analysis capabilities based on geographic location, and allows you to use latitude and longitude data to analyze and view data in different regions. In the Map widget, the data that needs to be displayed can be filtered by configuring a global filter.


../../_images/map.png


Data Fields


The data fields required are:


Field Quantity
Dimension 0 - 2
Measurement Unlimited

Chart Style


Map Configurations


Basic Configurations


Field Description
Center, Auto Calculate Toggle between automatically calculating or manually setting the coordinates of the center of the map.
Zoom Level Set the zoom level from 1-18.
Enable Drag Toggle between enabling and disabling the dragging of the map.
Enable Zoom Toggle between enabling and disabling the zooming in and out
Enable Interactive Layers Toggle between enabling and disabling interaction with the data points on the map.
Show View Toolbar Toggle between displaying and hiding the view toolbar.

Interactive Layer Configurations


Add, configure and sort the layers.


The types of layers available are:

  • Map
  • POI
  • Bubble
  • Geo
  • Hierarchy

Map


Field Description
Map Source
Select the map source.
  • Tiandi
  • Google
  • OfflineMap
Map Type
Select the map type.
  • Normal
  • Satellite
  • Hybrid
  • Terrain

POI


Field Description
Longitude Select the data field containing the longitudes of the data points.
Latitude Select the data field containing the latitudes of the data points.
Asset Name Select the data field containing the names of the data points.
Show Coordinates Toggle between displaying and hiding the coordinates of the data points when hovering over them.
Aggregation Toggle between enabling and disabling aggregation.
Data Field Select the data field which specifies the aggregation granularity.
Icon Configurations
Add and configure icons.
  • Value: Specify the names of the data points which will inherit the icon.
  • Icon Style: Upload an image of the icon.
  • Select Icon: Select an icon from a list of in-built icons.
  • Icon Color: Specify the color of the icons.
  • Highlight Color: Specify the color of the icon when hovered over.
POI Icon Size Specify the height and width of the icons. The default is 40 by 25.
Enable Data Linking Toggle between enabling and disabling the linkage function between the icons and other widgets.


../../_images/poi.png

Bubble


Field Description
Longitude Select the data field containing the longitudes of the data points.
Latitude Select the data field containing the latitudes of the data points.
Bubble Source Select the data field which specifies the bubble sizes.
Bubble Size Specify the minimum and maximum sizes of the bubbles.
Color Mapping
Specify the minimum and maximum values of the color map.
  • Check Auto to take the smallest and largest data points as the minimum and maximum for the color map. Checked by default.
  • Check Reverse to reverse the color scheme.
Color Scheme Select the color scheme for the color map.


../../_images/bubble.png

Geojson


Field Description
Region Select the region to display. Select Custom to upload a map file in GEOJson format.
Region Field Select the data field containing key values mapped to different areas.
Value Field Select the data field containing the data which corresponds to the key values.
Enable Zoom On Click Toggle between enabling and disabling zooming in on click.
Zoom Level Set the zoom level from 1-18.
Color Mapping
Specify the minimum and maximum values of the color map.
  • Check Auto to take the smallest and largest data points as the minimum and maximum for the color map. Checked by default.
  • Check Reverse to reverse the color scheme.
Color Scheme Select the color scheme for the color map.
Highlight Color Specify the color of an area when hovered over.
Outline Style the borders separating the areas.
Font Style the display names of the different areas.
Enable Data Linking Toggle between enabling and disabling the linkage function between the icons and other widgets.


../../_images/geo.png

Hierarchy


Field Description
GeoJson URL Enter the URL of the GeoJson for the hierarchy layer. The default URL is https://geo.datav.aliyun.com/area_v3/bound/{adcode}_full.json.
Linking Parameter Enter the parameters to map the Adcode of the current layer Configuring Parameters.
Default Adcode Specify the default area displayed on the layer. For example, if you want to display the map of Shanghai by default, enter 310000, the Adcode of Shanghai.
Region Code Field Specify the field to map regions displayed on the layer.
Data Value Field Specify the field to map data displayed on the layer.
Display Name and Data Display the names and data of the regions on the layer.
Display Name and Data on Hover Display the names and data of a region when you hover over the region.
Color Mapping
Specify the data range of the color blocks displayed on the layer.
  • Select Auto to specify the maximum and minimum values of Color Mapping as the maximum and minimum values of the field specified in Data Value Field.
  • Select Reverse to reverse the order of color blocks.
Color Pattern Specify the color pattern for the layer.
Highlight Color Specify the color of the region on which you hover over.
Outline Specify the style of region outlines.
Font Specify the font of region names and data field names.
Enable Widget Link Enable the Widget Link function. For more information, see Configuring Widget Links.
Data Value Unit Specify the unit of the field specified in Data Value Field, only available when Display Legends is enabled.
Display Legends Display legends on the right of map widget.
Data on Hover
Configure the data displayed when you hover over a region.
  • Data Field: the data displayed when hovering
  • Unit: the unit of the specified data field.
  • Decimal Places: the displayed decimal places for the data.