Class Segment

java.lang.Object
org.locationtech.jts.triangulate.Segment
public class Segment extends Object
Models a constraint segment in a triangulation. A constraint segment is an oriented straight line segment between a start point and an end point.
Author:
David Skea, Martin Davis

  • Constructor Summary

    Constructors
    Constructor
    Description
    Segment(double x1, double y1, double z1, double x2, double y2, double z2)
    Creates a new instance for the given ordinates.
    Segment(double x1, double y1, double z1, double x2, double y2, double z2, Object data)
    Creates a new instance for the given ordinates, with associated external data.
    Segment(Coordinate p0, Coordinate p1)
    Creates a new instance for the given points.
    Segment(Coordinate p0, Coordinate p1, Object data)
    Creates a new instance for the given points, with associated external data.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equalsTopo(Segment s)
    Determines whether two segments are topologically equal.
    Object
    getData()
    Gets the external data associated with this segment
    Coordinate
    getEnd()
    Gets the end coordinate of the segment
    double
    getEndX()
    Gets the end X ordinate of the segment
    double
    getEndY()
    Gets the end Y ordinate of the segment
    double
    getEndZ()
    Gets the end Z ordinate of the segment
    LineSegment
    getLineSegment()
    Gets a LineSegment modelling this segment.
    Coordinate
    getStart()
    Gets the start coordinate of the segment
    double
    getStartX()
    Gets the start X ordinate of the segment
    double
    getStartY()
    Gets the start Y ordinate of the segment
    double
    getStartZ()
    Gets the start Z ordinate of the segment
    Coordinate
    intersection(Segment s)
    Computes the intersection point between this segment and another one.
    void
    setData(Object data)
    Sets the external data to be associated with this segment
    String
    toString()
    Computes a string representation of this segment.

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • Segment

      public Segment(double x1, double y1, double z1, double x2, double y2, double z2)
      Creates a new instance for the given ordinates.

    • Segment

      public Segment(double x1, double y1, double z1, double x2, double y2, double z2, Object data)
      Creates a new instance for the given ordinates, with associated external data.

    • Segment

      public Segment(Coordinate p0, Coordinate p1, Object data)
      Creates a new instance for the given points, with associated external data.
      Parameters:
      p0 - the start point
      p1 - the end point
      data - an external data object

    • Segment

      public Segment(Coordinate p0, Coordinate p1)
      Creates a new instance for the given points.
      Parameters:
      p0 - the start point
      p1 - the end point

  • Method Details

    • getStart

      public Coordinate getStart()
      Gets the start coordinate of the segment
      Returns:
      a Coordinate

    • getEnd

      public Coordinate getEnd()
      Gets the end coordinate of the segment
      Returns:
      a Coordinate

    • getStartX

      public double getStartX()
      Gets the start X ordinate of the segment
      Returns:
      the X ordinate value

    • getStartY

      public double getStartY()
      Gets the start Y ordinate of the segment
      Returns:
      the Y ordinate value

    • getStartZ

      public double getStartZ()
      Gets the start Z ordinate of the segment
      Returns:
      the Z ordinate value

    • getEndX

      public double getEndX()
      Gets the end X ordinate of the segment
      Returns:
      the X ordinate value

    • getEndY

      public double getEndY()
      Gets the end Y ordinate of the segment
      Returns:
      the Y ordinate value

    • getEndZ

      public double getEndZ()
      Gets the end Z ordinate of the segment
      Returns:
      the Z ordinate value

    • getLineSegment

      public LineSegment getLineSegment()
      Gets a LineSegment modelling this segment.
      Returns:
      a LineSegment

    • getData

      public Object getData()
      Gets the external data associated with this segment
      Returns:
      a data object

    • setData

      public void setData(Object data)
      Sets the external data to be associated with this segment
      Parameters:
      data - a data object

    • equalsTopo

      public boolean equalsTopo(Segment s)
      Determines whether two segments are topologically equal. I.e. equal up to orientation.
      Parameters:
      s - a segment
      Returns:
      true if the segments are topologically equal

    • intersection

      public Coordinate intersection(Segment s)
      Computes the intersection point between this segment and another one.
      Parameters:
      s - a segment
      Returns:
      the intersection point, or null if there is none

    • toString

      public String toString()
      Computes a string representation of this segment.
      Overrides:
      toString in class Object
      Returns:
      a string