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.