remove magic numbers in NelderMeadConvergenceChecker.java.

VadereSimulator/src/org/vadere/simulator/models/osm/optimization/NelderMeadConvergenceChecker.java

@@ -24,6 +24,8 @@ public class NelderMeadConvergenceChecker implements RealConvergenceChecker {
 
 	private int dimension;
 
+	private final int maxIterations;
+
 	/**
 	 * Instantiates a new convergence checker for NelderMead.
 	 */
@@ -34,6 +36,7 @@ public class NelderMeadConvergenceChecker implements RealConvergenceChecker {
 		prev = new RealPointValuePair[dimension];
 		curr = new RealPointValuePair[dimension];
 		index = 0;
+		maxIterations = 100;
 	}
 
 	@Override
@@ -59,7 +62,7 @@ public class NelderMeadConvergenceChecker implements RealConvergenceChecker {
 			for (int i = 0; i < dimension; i++) {
 				value += Math.pow(curr[i].getValue() - meanValue, 2);
 			}
-			return (value / dimension < threshold || iteration > 100); // earlier 1000 => change to parameter
+			return (value / dimension < threshold || iteration > maxIterations); // earlier 1000 => change to parameter
 		} else {
 			return true;
 		}

VadereUtils/src/org/vadere/util/geometry/GeometryUtils.java

@@ -2,11 +2,9 @@ package org.vadere.util.geometry;
 
 import java.awt.geom.Path2D;
 import java.awt.geom.Point2D;
-import java.awt.geom.Rectangle2D;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Random;
 
@@ -79,6 +77,7 @@ public class GeometryUtils {
 				reachablePositions.add(tmpPos);
 			}
 		}
+
 		return reachablePositions;
 	}