Simplify code

VadereGui/src/org/vadere/gui/topographycreator/model/TopographyCreatorModel.java

@@ -331,9 +331,9 @@ public class TopographyCreatorModel extends DefaultModel implements IDrawPanelMo
 	}
 
 	@Override
-	public VShape translateElement(ScenarioElement elementToCopy, VPoint vector) {
+	public VShape translateElement(ScenarioElement element, VPoint vector) {
 		// double factor = Math.max(10,1/getGridResulution()); // ?? related to scaleTopography?
-		return elementToCopy.getShape().translatePrecise(alignToGrid(vector));
+		return element.getShape().translatePrecise(alignToGrid(vector));
 	}
 
 	@Override

VadereUtils/src/org/vadere/util/geometry/shapes/VCircle.java

@@ -6,7 +6,6 @@ import java.awt.geom.Ellipse2D;
 import java.awt.geom.PathIterator;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
-import java.math.BigDecimal;
 
 import org.vadere.util.geometry.ShapeType;
 import org.vadere.util.geometry.Vector2D;

VadereUtils/src/org/vadere/util/geometry/shapes/VRing.java

@@ -10,9 +10,6 @@ import java.util.List;
 
 import org.vadere.util.geometry.ShapeType;
 
-import com.vividsolutions.jts.geomgraph.Edge;
-import com.vividsolutions.jts.geomgraph.index.EdgeSetIntersector;
-
 /**
  * A ring consists of two circles of different size.
  * 
@@ -30,12 +27,6 @@ public class VRing implements VShape {
 		this(new VPoint(0, 0), radius1, radius2);
 	}
 
-	private VRing(VRing ring) {
-		this.center = ring.center;
-		this.radiusInnerCircle = ring.radiusInnerCircle;
-		this.radiusOuterCircle = ring.radiusOuterCircle;
-	}
-
 	public VRing(VPoint center, double radius1, double radius2) {
 		if (radius1 <= 0 || radius2 <= 0) {
 			throw new IllegalArgumentException("Radius must be positive.");
@@ -87,6 +78,7 @@ public class VRing implements VShape {
 	}
 
 	@Override
+	// TODO not implemented, not tested!
 	public boolean contains(double x, double y, double w, double h) {
 		return contains(new VRectangle(x, y, w, h));
 
@@ -116,7 +108,7 @@ public class VRing implements VShape {
 	}
 
 	private List<VPoint> normalizePointsToCenter(List<VPoint> points) {
-		List<VPoint> normalizedPoints = new ArrayList<VPoint>();
+		List<VPoint> normalizedPoints = new ArrayList<>();
 
 		for (VPoint point : points) {
 			VPoint normalizedPoint = new VPoint(point.x - center.x, point.y - center.y);