Dynamic Aggregation Map application examples

Case description

Taking the distribution of educational resources in Chengdu as an example, Dynamic Aggregation Map is used to display the distribution of educational resources in the map using aggregation quantity and aggregation marker size, providing data reference for decisions such as reasonable distribution of educational resources and selection of school district housing.

Data description

  • POI data of educational resources in Chengdu are used to make aggregated maps.
  • The administrative division data of Chengdu, including the information of each district and county, is used to make the base map.
  • The traffic data of Chengdu is used to make the base map and show the traffic capacity.
  • Chengdu Land Use data, including housing, rivers, parks, etc.

Note:

  • Sample Data contains the above Data Information, but you need to download a separate installation package. For details, see the Get the Sample Data package .

Main operation steps

  1. Open the Sample Data Sample Map \ AnalyticalMap \ Dynamic Clustering \ Dynamic Clustering. Smwu, Open the DatasetEducation _ P to the configured base map of Chengdu (if the map in Workspace is used directly, the Dynamic Aggregation Map layer shall be removed);
  2. After selecting the Education _ P layer in Layer Manager, click Thematic Map Tab-> Aggregate Map Group-> Dynamic Aggregation Map to draw the aggregate map according to the default Set Parameters.
  3. In the Layer Properties panel that pops up, set the aggregation radius to 20. The larger the aggregation radius, the larger the aggregated data.
  4. Aggregation Field can be set according to the actual situation, and the Type must be numeric. You do not need to set the Aggregation Field when you only want to represent the aggregation of point objects. No settings are made here.
  5. Sets the display precision for aggregate labels. When aggregate radius is selected and Aggregate is set, a decimal point will appear in the label content, and the number of decimal points can be displayed in the display precision setting label. Leave the default Set Parameters: 0 here.
  6. Set Aggregate. After setting the aggregation radius, you need to set the Calculator Method of the aggregation radius through Aggregate. Five Calculator Methods are provided here: average value, number, maximum value, minimum value, and sum. No settings are made here.
  7. Set the style of Show Lable. You can set Font, font size, slant angle, Text Color, outline color, shadow color, and Font Effects. Where Font Effects includes bold, strikethrough, right italic, underline, shadow, Background Transparency, outline, and outline pixel size. Here, only the Font is set to Microsoft YaHei, and the Font Effects is bold.
  8. It is used to set the Marker Style of the aggregation symbol. The type of the point symbol can be selected through the Marker Symbol Selector. It also supports the setting of the maximum Marker Size and the minimum Marker Size. Here set to 40 and 15, respectively.

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