Intersect — GIS Layer Intersection
Calculates the geometries that overlap between two layers
How to use this tool?
- Upload Layer 1 (base layer): Shapefile ZIP, GeoJSON, or KML.
- Upload Layer 2 (intersection layer): same format.
- The result contains only the areas where both layers overlap, with the attributes of both.
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What is Intersection?
Intersection (Intersect) is a spatial analysis operation that returns only the areas where two layers geographically overlap, combining the attributes of both in the result.
- Clip zones by administrative boundary
- Service coverage analysis
- Overlaying thematic layers
Visual Example
Intersect extracts the geometry where two layers overlap, combining attributes from both.
Did you know we have Pro tools?
Free Tools
- Buffer
- Clip
- Union
- Basic formats
Pro Tools
- Boundary report writing
- Advanced analysis
- Multiple formats
- Priority Support
Frequently Asked Questions
Clip trims layer 1 using layer 2's shape as a "cookie cutter", keeping only layer 1's attributes. Intersect also clips, but the result includes the attributes of BOTH layers, making it more complete for analysis.
Ideally yes. The tool tries to automatically reproject if it detects different CRS, but it's recommended to make sure beforehand. Use the Reproject tool if necessary.
Shapefile (ZIP or individual files: .shp, .shx, .dbf, .prj, .cpg), GeoJSON, KML, KMZ, GPX, GML, GeoPackage (.gpkg), GeoParquet (.parquet), FlatGeobuf (.fgb), and TopoJSON for both input layers.
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