Intersects
The Intersects function determines if one geography intersects another geography. If the two geographies intersect, the function returns True
. Otherwise, it returns False
.
This function isn't compatible with all data platform connections. To check if your connection supports it, see Supported data platforms and feature compatibility.
Intersects is one of Sigma's Geography functions.
Syntax
Intersects(geography1, geography2)
The function arguments are:
- geography1
- Required
- The first geography to check for intersection.
- geography2
- Required
- The second geography to check for intersection.
Examples
Intersects(Geography("POLYGON((0 0, 2 0, 2 2, 0 2, 0 0))"), Geography("POLYGON((1 1, 3 1, 3 3, 1 3, 1 1))"))
The function returns True
because the two polygons overlap.
Intersects([Brooklyn], [Queens])
If you define the Brooklyn and Queens boroughs as polygons (see Geography functions overview for coordinates), then the Intersects function returns True
because they share a waterway; see the following illustration.

Updated about 17 hours ago
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