Package org.locationtech.jts.triangulate
Class Segment
- java.lang.Object
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- org.locationtech.jts.triangulate.Segment
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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.- Author:
- David Skea, Martin Davis
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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.
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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 segmentCoordinate
getEnd()
Gets the end coordinate of the segmentdouble
getEndX()
Gets the end X ordinate of the segmentdouble
getEndY()
Gets the end Y ordinate of the segmentdouble
getEndZ()
Gets the end Z ordinate of the segmentLineSegment
getLineSegment()
Gets a LineSegment modelling this segment.Coordinate
getStart()
Gets the start coordinate of the segmentdouble
getStartX()
Gets the start X ordinate of the segmentdouble
getStartY()
Gets the start Y ordinate of the segmentdouble
getStartZ()
Gets the start Z ordinate of the segmentCoordinate
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 segmentjava.lang.String
toString()
Computes a string representation of this segment.
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Constructor Detail
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Segment
public Segment(double x1, double y1, double z1, double x2, double y2, double z2)
Creates a new instance for the given ordinates.
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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.
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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 pointp1
- the end pointdata
- an external data object
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Segment
public Segment(Coordinate p0, Coordinate p1)
Creates a new instance for the given points.- Parameters:
p0
- the start pointp1
- the end point
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Method Detail
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getStart
public Coordinate getStart()
Gets the start coordinate of the segment- Returns:
- a Coordinate
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getEnd
public Coordinate getEnd()
Gets the end coordinate of the segment- Returns:
- a Coordinate
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getStartX
public double getStartX()
Gets the start X ordinate of the segment- Returns:
- the X ordinate value
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getStartY
public double getStartY()
Gets the start Y ordinate of the segment- Returns:
- the Y ordinate value
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getStartZ
public double getStartZ()
Gets the start Z ordinate of the segment- Returns:
- the Z ordinate value
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getEndX
public double getEndX()
Gets the end X ordinate of the segment- Returns:
- the X ordinate value
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getEndY
public double getEndY()
Gets the end Y ordinate of the segment- Returns:
- the Y ordinate value
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getEndZ
public double getEndZ()
Gets the end Z ordinate of the segment- Returns:
- the Z ordinate value
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getLineSegment
public LineSegment getLineSegment()
Gets a LineSegment modelling this segment.- Returns:
- a LineSegment
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getData
public java.lang.Object getData()
Gets the external data associated with this segment- Returns:
- a data object
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setData
public void setData(java.lang.Object data)
Sets the external data to be associated with this segment- Parameters:
data
- a data object
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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
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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
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toString
public java.lang.String toString()
Computes a string representation of this segment.- Overrides:
toString
in classjava.lang.Object
- Returns:
- a string
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