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ReQL command: polygon_sub
Command syntax
polygon1.polygon_sub(polygon2) → polygon
Description
Use polygon2
to “punch out” a hole in polygon1
. polygon2
must be completely contained within polygon1
and must have no holes itself (it must not be the output of polygon_sub
itself).
Example: Define a polygon with a hole punched in it.
outer_polygon = r.polygon(
[-122.4,37.7],
[-122.4,37.3],
[-121.8,37.3],
[-121.8,37.7]
)
inner_polygon = r.polygon(
[-122.3,37.4],
[-122.3,37.6],
[-122.0,37.6],
[-122.0,37.4]
)
outer_polygon.polygon_sub(inner_polygon).run(conn)
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https://rethinkdb.com/api/ruby/polygon_sub/