Function Description
This function is used to transfer attributes from one dataset to another based on spatial relationships. The attributes of both the target dataset and the joined dataset are written into the output dataset.
Supported Data Sources
- iPortal Data Resource
Supported Formats: STRUCTUREDDATA
- Uploaded Files (via AI Assistant interface)
Supported formats: CSV, Excel, GeoJSON, Shp (supported data format *.zip), maximum 200MB

1. GeoJSON data stored in JSONL format is not supported for upload;
2. Data must be uploaded via the SuperMap iPortal AI Assistant interface. Uploading directly through SuperMap iPortal may cause tool invocation failure.
3. Sample data built-in SuperMap iPortal and some public data do not support operations such as analysis or service publishing. Please note data permission issues. It is recommended to use your own data for operations.
Function Entry
There are two ways to perform spatial join analysis.
Directly Input Spatial Join Analysis Command in the Dialog Box
- On the left side of the main interface, click Dialog.
Click Spatial Join Analysis Command in "Instruction Center"
- On the left side of the main interface, click Instruction -> Spatial Overlay Tools.
Operation Steps
Directly Input Spatial Join Analysis Command in the Dialog Box
In the dialog box, input the spatial join analysis command, such as "Use the spatial join analysis tool to analyze the source data resource 'Yangtze River Delta Urban Area Lines' and the target data resource 'Yangtze River Delta Main River Area Polygons', with the statistical field 'SmUserID', statistical method 'Sum', and spatial relationship type 'Intersect'", then click the Execute button.
Click Spatial Join Analysis Command in "Instruction Center"
In the "Spatial Overlay Tools", click the "Spatial Join Analysis" box, and the preset command content will be automatically added to the dialog box. Click the Execute button.

This tool may modify the original data. To ensure data security, please upload data using your own account before using this tool.