Java Doc for LocatePoint.java in  » GIS » openjump » com » vividsolutions » jump » algorithm » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » openjump » com.vividsolutions.jump.algorithm   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.vividsolutions.jump.algorithm.LocatePoint LocatePoint public class LocatePoint (Code) Provides various ways of computing the actual value of a point a given length along a line. Constructor Summary public   LocatePoint(LineString line, double length)      Method Summary public  int getIndex()      public  Coordinate getPoint()      public static  Coordinate pointAlongLine(LineString line, double length)      Computes the Coordinate of the point a given length along a LineString . public static  Coordinate pointAlongSegment(LineSegment seg, double length)      Computes the location of a point a given length along a LineSegment . public static  Coordinate pointAlongSegment(Coordinate p0, Coordinate p1, double length)      Computes the location of a point a given length along a line segment. public static  Coordinate pointAlongSegmentByFraction(Coordinate p0, Coordinate p1, double frac)      Computes the location of a point a given fraction along a line segment. Constructor Detail LocatePoint public LocatePoint(LineString line, double length)(Code) Method Detail getIndex public int getIndex()(Code) Returns the index of the segment containing the computed point getPoint public Coordinate getPoint()(Code) pointAlongLine public static Coordinate pointAlongLine(LineString line, double length)(Code) Computes the Coordinate of the point a given length along a LineString . Parameters:   line - Parameters:   length - the Coordinate of the desired point pointAlongSegment public static Coordinate pointAlongSegment(LineSegment seg, double length)(Code) Computes the location of a point a given length along a LineSegment . If the length exceeds the length of the line segment the last point of the segment is returned. If the length is negative the first point of the segment is returned. Parameters:   seg - the line segment Parameters:   length - the length to the desired point the Coordinate of the desired point pointAlongSegment public static Coordinate pointAlongSegment(Coordinate p0, Coordinate p1, double length)(Code) Computes the location of a point a given length along a line segment. If the length exceeds the length of the line segment the last point of the segment is returned. If the length is negative the first point of the segment is returned. Parameters:   p0 - the first point of the line segment Parameters:   p1 - the last point of the line segment Parameters:   length - the length to the desired point the Coordinate of the desired point pointAlongSegmentByFraction public static Coordinate pointAlongSegmentByFraction(Coordinate p0, Coordinate p1, double frac)(Code) Computes the location of a point a given fraction along a line segment. If the fraction exceeds 1 the last point of the segment is returned. If the fraction is negative the first point of the segment is returned. Parameters:   p0 - the first point of the line segment Parameters:   p1 - the last point of the line segment Parameters:   frac - the fraction of the segment to the desired point the Coordinate of the desired point Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)