Functional Description
Used to perform overlay analysis on multiple layers or datasets.
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.
Functional Entrance
Two methods are available to execute multi-layer overlay analysis.
Direct Command Input in Dialog Box
- Locate the Dialog panel on the left side of the main interface.
Select Command via Instruction Center
- Navigate to Instruction-> Spatial Overlay Tools on the left panel of the main interface.
Operation Steps
Direct Command Input in Dialog Box
Enter the multi-layer overlay analysis command in the dialog box. For example: "Use the multi-layer overlay analysis tool to sequentially analyze Resource 1 'Yangtze River Delta Main River Area Polygon', Resource 2 'Yangtze River Delta Urban District Boundaries', and Resource 3 'Yangtze River Delta Production Lines', with the operation type 'Intersection'." Then click the Execute button.
Select Command via Instruction Center
In the Spatial Overlay Tools section, click the Multi-Layer Overlay Analysis command box. The predefined command content will be automatically added to the dialog box. Click the Execute button to proceed.

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