com.vividsolutions.jts.triangulate

Class 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.

    • Constructor Summary

      Constructors

      Constructor and Description
      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.
      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.

    • Method Summary

      Modifier and Type Method and 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.

    • 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,
               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 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 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