Class OrientationTransformer

java.lang.Object
org.locationtech.jts.io.geojson.OrientationTransformer
public class OrientationTransformer extends Object
Utilities to modify the ring orientation of polygonal geometries.

  • Constructor Details

    • OrientationTransformer

      public OrientationTransformer()

  • Method Details

    • transformCCW

      public static Geometry transformCCW(Geometry geometry)
      Transforms a geometry using the Right Hand Rule specifications defined in the latest GeoJSON specification. See RFC-7946 Specification for more context.
      Parameters:
      geometry - to be transformed
      Returns:
      Geometry under the Right Hand Rule specifications

    • transformCCW

      public static Polygon transformCCW(Polygon polygon)
      Transforms a polygon using the Right Hand Rule specifications defined in the latest GeoJSON specification. See RFC-7946 Specification for more context.
      Parameters:
      polygon - to be transformed
      Returns:
      Polygon under the Right Hand Rule specifications

    • transformCCW

      public static LinearRing transformCCW(LinearRing ring, boolean isExteriorRing)
      Transforms a polygon using the Right Hand Rule specifications defined in the latest GeoJSON specification. A linear ring MUST follow the right-hand rule with respect to the area it bounds, i.e., exterior rings are counterclockwise, and holes are clockwise. See RFC 7946 Specification for more context.
      Parameters:
      ring - the LinearRing, a constraint specific to Polygons
      isExteriorRing - true if the LinearRing is the exterior polygon ring, the one that defines the boundary
      Returns:
      LinearRing under the Right Hand Rule specifications