Package org.meteoinfo.jts.triangulate

Class Segment


  • public class Segment
extends java.lang.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.

    • 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, java.lang.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, java.lang.Object data)
      Creates a new instance for the given points, with associated external data.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equalsTopo​(Segment s)
      Determines whether two segments are topologically equal.
      java.lang.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​(java.lang.Object data)
      Sets the external data to be associated with this segment
      java.lang.String toString​()
      Computes a string representation of this segment.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • 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,
               java.lang.Object data)
        Creates a new instance for the given ordinates, with associated external data.

      • Segment

        public Segment​(Coordinate p0,
               Coordinate p1,
               java.lang.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 Detail

      • 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 java.lang.Object getData​()
        Gets the external data associated with this segment
        Returns:
        a data object

      • setData

        public void setData​(java.lang.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 java.lang.String toString​()
        Computes a string representation of this segment.
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string