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java.lang.Objectorg.geotools.geometry.jts.AbstractLiteIterator
org.geotools.geometry.jts.GeomCollectionIterator
public final class GeomCollectionIterator
A path iterator for the LiteShape class, specialized to iterate over a geometry collection. It can be seen as a composite, since uses in fact other, simpler iterator to carry on its duties.
Field Summary |
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Fields inherited from class org.geotools.geometry.jts.AbstractLiteIterator |
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dcoords |
Fields inherited from interface java.awt.geom.PathIterator |
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SEG_CLOSE, SEG_CUBICTO, SEG_LINETO, SEG_MOVETO, SEG_QUADTO, WIND_EVEN_ODD, WIND_NON_ZERO |
Constructor Summary | |
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GeomCollectionIterator()
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GeomCollectionIterator(com.vividsolutions.jts.geom.GeometryCollection gc,
java.awt.geom.AffineTransform at,
boolean generalize,
double maxDistance)
Creates a new instance of GeomCollectionIterator |
Method Summary | |
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int |
currentSegment(double[] coords)
Returns the coordinates and type of the current path segment in the iteration. |
int |
currentSegment(float[] coords)
Returns the coordinates and type of the current path segment in the iteration. |
double |
getMaxDistance()
Returns the distance limit for point skipping during distance based generalization |
int |
getWindingRule()
Returns the winding rule for determining the interior of the path. |
void |
init(com.vividsolutions.jts.geom.GeometryCollection gc,
java.awt.geom.AffineTransform at,
boolean generalize,
double maxDistance)
|
boolean |
isDone()
Tests if the iteration is complete. |
void |
next()
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. |
void |
setMaxDistance(double distance)
Sets the distance limit for point skipping during distance based generalization |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GeomCollectionIterator()
public GeomCollectionIterator(com.vividsolutions.jts.geom.GeometryCollection gc, java.awt.geom.AffineTransform at, boolean generalize, double maxDistance)
gc
- The geometry collection the iterator will useat
- The affine transform applied to coordinates during iterationgeneralize
- if true apply simple distance based generalizationmaxDistance
- during iteration, a point will be skipped if it's
distance from the previous is less than maxDistanceMethod Detail |
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public void init(com.vividsolutions.jts.geom.GeometryCollection gc, java.awt.geom.AffineTransform at, boolean generalize, double maxDistance)
gc
- at
- public void setMaxDistance(double distance)
distance
- the maximum distance for point skippingpublic double getMaxDistance()
public int currentSegment(double[] coords)
coords
- an array that holds the data returned from this method
PathIterator.SEG_MOVETO
,
PathIterator.SEG_LINETO
,
PathIterator.SEG_QUADTO
,
PathIterator.SEG_CUBICTO
,
PathIterator.SEG_CLOSE
public int currentSegment(float[] coords)
currentSegment
in interface java.awt.geom.PathIterator
currentSegment
in class AbstractLiteIterator
coords
- an array that holds the data returned from this method
PathIterator.SEG_MOVETO
,
PathIterator.SEG_LINETO
,
PathIterator.SEG_QUADTO
,
PathIterator.SEG_CUBICTO
,
PathIterator.SEG_CLOSE
public int getWindingRule()
PathIterator.WIND_EVEN_ODD
,
PathIterator.WIND_NON_ZERO
public boolean isDone()
true
if all the segments have been read;
false
otherwise.public void next()
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