SimplifyPreserveTopology Method | Geospatial Data Types | Teradata Vantage - 17.10 - SimplifyPreserveTopology Method - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - Geospatial Data Types

Advanced SQL Engine
Teradata Database
Release Number
Release Date
July 2021
Content Type
Programming Reference
Publication ID
English (United States)

Simplifies a 2D geometry by removing points that would fall within a specified distance tolerance.

Valid Data Types

  • LineString
  • MultiLineString
  • Polygon
  • MultiPolygon

The preceding types can be within Geometry Collections.

If called on another type of 2D geometry, SimplifyPreserveTopology returns it unchanged.

Result Type

Returns an ST_Geometry value.