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java.lang.Object com.bbn.openmap.omGraphics.awt.LineUtil
public class LineUtil
Various computations about plane geometry.
Constructor Summary | |
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LineUtil()
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Method Summary | |
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static java.awt.geom.Point2D |
interpolatedPoint(java.awt.geom.Point2D A,
java.awt.geom.Point2D B,
double d)
Interpolates a point on a segment. |
static double |
norm(java.awt.geom.Point2D A,
java.awt.geom.Point2D B)
Computes the segment length |
static double |
norm2(java.awt.geom.Point2D A,
java.awt.geom.Point2D B)
Computes the segment square length |
protected static boolean |
retrievePoints(float length,
java.util.LinkedList<java.awt.geom.Point2D> points,
java.util.LinkedList<java.awt.geom.Point2D> polysegment)
Extract a length on a polyline. |
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 LineUtil()
Method Detail |
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public static double norm2(java.awt.geom.Point2D A, java.awt.geom.Point2D B)
A
- the begin pointB
- the end point
public static double norm(java.awt.geom.Point2D A, java.awt.geom.Point2D B)
A
- the begin pointB
- the end point
public static java.awt.geom.Point2D interpolatedPoint(java.awt.geom.Point2D A, java.awt.geom.Point2D B, double d)
A
- the begin pointB
- the end pointd
- the distance from A to the wanted point
protected static boolean retrievePoints(float length, java.util.LinkedList<java.awt.geom.Point2D> points, java.util.LinkedList<java.awt.geom.Point2D> polysegment)
length
- the curve length to extract from pointspoints
- the original pointspolysegment
- the returned points
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