org.shapelogic.imageprocessing
Class EdgeTracer

java.lang.Object
  org.shapelogic.imageprocessing.EdgeTracer

public class EdgeTracer
extends java.lang.Object

Edge Tracer.
The first version is based on Wand from ImageJ 1.38.
It traces with a 2 x 2 square that put the top left pixels inside the particle and the bottom right outside.
Might be replaced with a version that has all the pixels inside.

Author:

Sami Badawi

Constructor Summary

EdgeTracer(SLImage image, int referenceColor, double maxDistance, boolean traceCloseToColor)
Constructs a Wand object from an ImageProcessor.

Method Summary

Polygon

autoOutline(int startX, int startY) Traces the boundary of an area of uniform color, where 'startX' and 'startY' are somewhere inside the area.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EdgeTracer

public EdgeTracer(SLImage image,
                  int referenceColor,
                  double maxDistance,
                  boolean traceCloseToColor)

Constructs a Wand object from an ImageProcessor.

Method Detail

autoOutline

public Polygon autoOutline(int startX,
                           int startY)

Traces the boundary of an area of uniform color, where 'startX' and 'startY' are somewhere inside the area. A 16 entry lookup table is used to determine the direction at each step of the tracing process.