Package org.h2gis.functions.spatial.clean

Class MakeValidOp

java.lang.Object
org.h2gis.functions.spatial.clean.MakeValidOp
public class MakeValidOp extends Object
Operator to make a geometry valid.
Making a geometry valid will remove duplicate points although duplicate points do not make a geometry invalid.
Author:
Michaël Michaud

  • Constructor Details

    • MakeValidOp

      public MakeValidOp()

  • Method Details

    • setPreserveGeomDim

      public MakeValidOp setPreserveGeomDim(boolean preserveGeomDim)

    • setPreserveCoordDim

      public MakeValidOp setPreserveCoordDim(boolean preserveCoordDim)

    • setPreserveDuplicateCoord

      public MakeValidOp setPreserveDuplicateCoord(boolean preserveDuplicateCoord)

    • makeValid

      public org.locationtech.jts.geom.Geometry makeValid(org.locationtech.jts.geom.Geometry geometry)
      Repair an invalid geometry.
      If preserveGeomDim is true, makeValid will remove degenerated geometries from the result, i.e geometries which dimension is lower than the input geometry dimension (except for mixed GeometryCollection).
      A multi-geometry will always produce a multi-geometry (eventually empty or made of a single component). A simple geometry may produce a multi-geometry (ex. polygon with self-intersection will generally produce a multi-polygon). In this case, it is up to the client to explode multi-geometries if he needs to.
      If preserveGeomDim is off, it is up to the client to filter degenerate geometries.
      WARNING : for geometries of dimension 1 (linear), duplicate coordinates are preserved as much as possible. For geometries of dimension 2 (areal), duplicate coordinates are generally removed due to the use of overlay operations.
      Parameters:
      geometry - input geometry
      Returns:
      a valid Geometry