Java Doc for PackedLineIterator.java in  » GIS » GeoTools-2.4.1 » org » geotools » geometry » jts » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.geometry.jts 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.geometry.jts.AbstractLiteIterator
      org.geotools.geometry.jts.PackedLineIterator

PackedLineIterator
final public class PackedLineIterator extends AbstractLiteIterator (Code)
A path iterator for the LiteShape class, specialized to iterate over LineString object.
author:
   Andrea Aime
author:
   simone giannecchini * @source $URL: http://svn.geotools.org/geotools/tags/2.4.1/modules/library/main/src/main/java/org/geotools/geometry/jts/PackedLineIterator.java $
version:
   $Id: PackedLineIterator.java 25075 2007-04-09 19:20:46Z desruisseaux $



Constructor Summary
public  PackedLineIterator(LineString ls, AffineTransform at, boolean generalize, float maxDistance)
    

Method Summary
public  intcurrentSegment(float[] coords)
     Returns the coordinates and type of the current path segment in the iteration.
public  intcurrentSegment(double[] coords)
    
public  doublegetMaxDistance()
    
public  intgetWindingRule()
     Returns the winding rule for determining the interior of the path.
public  booleanisDone()
     Tests if the iteration is complete.
public  voidnext()
     Moves the iterator to the next segment of the path forwards along the primary direction of traversal as long as there are more points in that direction.
public  voidsetMaxDistance(float distance)
    


Constructor Detail
PackedLineIterator
public PackedLineIterator(LineString ls, AffineTransform at, boolean generalize, float maxDistance)(Code)
Creates a new instance of LineIterator
Parameters:
  ls - The line string the iterator will use
Parameters:
  at - The affine transform applied to coordinates during iteration




Method Detail
currentSegment
public int currentSegment(float[] coords)(Code)
Returns the coordinates and type of the current path segment in the iteration. The return value is the path-segment type: SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE. A double array of length 6 must be passed in and can be used to store the coordinates of the point(s). Each point is stored as a pair of double x,y coordinates. SEG_MOVETO and SEG_LINETO types returns one point, SEG_QUADTO returns two points, SEG_CUBICTO returns 3 points and SEG_CLOSE does not return any points.
Parameters:
  coords - an array that holds the data returned from this method the path-segment type of the current path segment.
See Also:   PackedLineIterator.SEG_MOVETO
See Also:   PackedLineIterator.SEG_LINETO
See Also:   PackedLineIterator.SEG_QUADTO
See Also:   PackedLineIterator.SEG_CUBICTO
See Also:   PackedLineIterator.SEG_CLOSE



currentSegment
public int currentSegment(double[] coords)(Code)

See Also:   java.awt.geom.PathIterator.currentSegment(double[])



getMaxDistance
public double getMaxDistance()(Code)
Returns the distance limit for point skipping during distance based generalization the maximum distance for distance based generalization



getWindingRule
public int getWindingRule()(Code)
Returns the winding rule for determining the interior of the path. the winding rule.
See Also:   PackedLineIterator.WIND_EVEN_ODD
See Also:   PackedLineIterator.WIND_NON_ZERO



isDone
public boolean isDone()(Code)
Tests if the iteration is complete. true if all the segments have been read;false otherwise.



next
public void next()(Code)
Moves the iterator to the next segment of the path forwards along the primary direction of traversal as long as there are more points in that direction.



setMaxDistance
public void setMaxDistance(float distance)(Code)
Sets the distance limit for point skipping during distance based generalization
Parameters:
  distance - the maximum distance for point skipping



Fields inherited from org.geotools.geometry.jts.AbstractLiteIterator
protected double[] dcoords(Code)(Java Doc)

Methods inherited from org.geotools.geometry.jts.AbstractLiteIterator
public int currentSegment(float[] coords)(Code)(Java Doc)

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)

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