Input
- SourceTable: source_gatetype, which contains the geometrical coordinates of US and international gates in three airport terminals (A, B, and C)
- ReferenceTable: ref_terminal, which contains the terminal coordinates in WKT syntax
| id | boundary_coordinates | boundary_name | boundary_attributes |
|---|---|---|---|
| 1 | POLYGON ((10 10, 10 20, 20 20, 20 10, 10 10)) | US Gates | US |
| 2 | POLYGON ((50 50, 50 150, 150 150, 150 50,50 50)) | International Gates | International |
| id | boundary_coordinates | boundary_name | boundary_attributes |
|---|---|---|---|
| 1 | POLYGON ((0 0, 100 0, 100 100, 0 100, 0 0)) | Terminal A | A |
| 2 | POLYGON ((100 0, 200 0, 200 100, 100 100, 100 0)) | Terminal B | B |
| 3 | POLYGON ((0 100, 100 100, 100 200, 0 200, 0 100)) | Terminal C | C |
SQL Call
SELECT * FROM GeometryOverlay (
ON source_gatetype AS SourceTable PARTITION BY ANY
ON ref_terminal AS ReferenceTable DIMENSION
USING
SourceLocationColumn ('boundary_coordinates')
ReferenceLocationColumn ('boundary_coordinates')
ReferenceNameColumns ('boundary_name')
BoundaryOperator ('intersection')
OutputAll ('false')
Accumulate ('boundary_attributes')
) AS dt ;
Output
The output shows that all domestic gates are within Terminal A. International gates are spread over all three terminals.
overlay_boundary ref_boundary_name overlay_flag boundary_attributes ----------------------------------------------------- ----------------- ------------ ------------------- POLYGON ((10 10, 10 20, 20 20, 20 10, 10 10)) terminal a 1 domestic POLYGON ((50 50, 50 100, 100 100, 100 50, 50 50)) terminal a 1 international POLYGON ((150 100, 150 50, 100 50, 100 100, 150 100)) terminal b 1 international POLYGON ((50 100, 50 150, 100 150, 100 100, 50 100)) terminal c 1 international
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