ST_PointOnSurface method for type ST_MultiSurface

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SQL Anywhere 12.0.0 » SQL Anywhere Server - Spatial Data Support » Accessing and manipulating spatial data » ST_MultiSurface type

ST_PointOnSurface method for type ST_MultiSurface

Returns a point that is guaranteed to be on a surface in the multi-surface

Syntax

multisurface-expression.ST_PointOnSurface()

Returns

ST_Point If the multi-surface is the empty set, returns NULL. Otherwise, returns an ST_Point value guaranteed to spatially intersect the ST_MultiSurface value.
The spatial reference system identifier of the result is the same as the spatial reference system of the multisurface-expression.

Remarks

See also

Standards and compatibility

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