diff --git a/src/eva2/client/EvAClient.java b/src/eva2/client/EvAClient.java
index ed5e96dd..8590213a 100644
--- a/src/eva2/client/EvAClient.java
+++ b/src/eva2/client/EvAClient.java
@@ -41,6 +41,8 @@ import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JProgressBar;
 import javax.swing.JRadioButtonMenuItem;
+import javax.swing.JScrollPane;
+import javax.swing.JSeparator;
 import javax.swing.JWindow;
 import javax.swing.KeyStroke;
 import javax.swing.SwingUtilities;
@@ -78,7 +80,8 @@ import eva2.tools.jproxy.RemoteStateListener;
  *
  */
 public class EvAClient implements RemoteStateListener, Serializable {
-	final int splashScreenTime = 1500;
+	private final int splashScreenTime = 1500;
+	private final int maxWindowMenuLength = 30;
 	private static Properties EVA_PROPERTIES;
 	
 	public static boolean TRACE = false;
@@ -303,7 +306,7 @@ public class EvAClient implements RemoteStateListener, Serializable {
 		}
 		
 		if (withGUI ) {
-			m_Frame = new JEFrame();
+			m_Frame = new JEFrame(EvAInfo.productName + " workbench");
 			BasicResourceLoader loader = BasicResourceLoader.instance();
 			byte[] bytes = loader.getBytesFromResourceLocation(EvAInfo.iconLocation);
 			try {
@@ -311,7 +314,7 @@ public class EvAClient implements RemoteStateListener, Serializable {
 			} catch (java.lang.NullPointerException e) {
 				System.out.println("Could not find EvA2 icon, please move resources folder to working directory!");
 			}
-			m_Frame.setTitle(EvAInfo.productName + " workbench");
+//			m_Frame.setTitle(EvAInfo.productName + " workbench");
 
 			try {
 				Thread.sleep(200);
@@ -583,22 +586,47 @@ public class EvAClient implements RemoteStateListener, Serializable {
 		m_mnuWindow = new JExtMenu("&Window");
 		m_mnuWindow.addMenuListener(new MenuListener() {
 			public void menuSelected(MenuEvent e) {
-//				System.out.println("Selected");
+				//				System.out.println("Selected");
 				m_mnuWindow.removeAll();
+				JExtMenu curMenu = m_mnuWindow;
+//				JScrollPane jsp = new JScrollPane();
 				Object[] framelist = JEFrameRegister.getFrameList();
 				for (int i = 0; i < framelist.length; i++) {
 					JMenuItem act = new JMenuItem((i + 1) + ". " + ((JEFrame) framelist[i]).getTitle());
 					final JFrame x = ((JEFrame) framelist[i]);
+					
 					act.addActionListener((new ActionListener() {
 						public void actionPerformed(ActionEvent e) {
-							x.setExtendedState(JFrame.NORMAL);
-							x.toFront();
+							if (!x.isActive()) {
+								x.setExtendedState(JFrame.NORMAL);
+								x.setVisible(false);
+								x.setVisible(true); // it seems to be quite a fuss to bring something to the front and actually mean it...
+								x.toFront();		// this seems useless
+								x.requestFocus();	// this seems useless too
+							}
 						}
+					}));
+					if (curMenu.getItemCount()>=maxWindowMenuLength) {
+						JExtMenu subMenu = new JExtMenu("&More...");
+						curMenu.add(new JSeparator());
+						curMenu.add(subMenu);
+						curMenu=subMenu;
 					}
-					)
-					);
+					curMenu.add(act);
+				}
+				String[] commonPrefixes = JEFrameRegister.getCommonPrefixes(10);
+				if (commonPrefixes.length > 0) m_mnuWindow.add(new JSeparator());
+				for (int i=0; i<commonPrefixes.length; i++) {
+					final String prefix = commonPrefixes[i];
+					JMenuItem act = new JMenuItem("Close all of " + prefix + "...");
+					act.addActionListener((new ActionListener() {
+						public void actionPerformed(ActionEvent e) {
+							JEFrameRegister.closeAllByPrefix(prefix);
+						}
+					}));
 					m_mnuWindow.add(act);
 				}
+
 			}
 			public void menuCanceled(MenuEvent e) {
 			}
diff --git a/src/eva2/gui/FunctionArea.java b/src/eva2/gui/FunctionArea.java
index 9a232ada..3e04f834 100644
--- a/src/eva2/gui/FunctionArea.java
+++ b/src/eva2/gui/FunctionArea.java
@@ -173,6 +173,20 @@ public class FunctionArea extends DArea implements Serializable {
 		 drawIcon(theIcon, label, position, graphID);
 	 }
 	 
+	 /**
+	  * Draw a line with given start and end points.
+	  * 
+	  * @param p1
+	  * @param p2
+	  */
+	 public void drawLine(double[] p1, double[] p2) {
+		DPointSet popRep      = new DPointSet();
+		popRep.setConnected(true);
+		popRep.addDPoint(new DPoint(p1[0], p1[1]));
+		popRep.addDPoint(new DPoint(p2[0], p2[1]));
+		addDElement(popRep);
+	 }
+	 
 	 /**
 	  * Plot a circle icon to the function area which is annotated with a char and
 	  * a double value. The color corresponds to the color of the graph with given ID
diff --git a/src/eva2/gui/JEFrame.java b/src/eva2/gui/JEFrame.java
index 5a736d20..1836d545 100644
--- a/src/eva2/gui/JEFrame.java
+++ b/src/eva2/gui/JEFrame.java
@@ -19,74 +19,85 @@ import java.awt.*;
 
 public class JEFrame extends JFrame {
 
-  public JEFrame() {
-    super();
-    register();
-  }
-
-  public JEFrame(String name) {
-    super(name);
-    register();
-  }
-
-  private void register() {
-    JEFrameRegister.register(this);
-
-    this.addWindowListener(new WindowAdapter() {
-      public void windowClosing(WindowEvent e) {
-        JEFrameRegister.unregister((JEFrame) e.getWindow());
-      }
-      public void windowClosed(WindowEvent e) {
-       JEFrameRegister.unregister((JEFrame) e.getWindow());
-      }
-    });
-    this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
-      KeyStroke.getKeyStroke(KeyEvent.VK_F,Event.CTRL_MASK),
-      "ctrlFpressed"
-    );
-    this.getRootPane().getActionMap().put(
-      "ctrlFpressed",
-      new AbstractAction("ctrlFpressed") {
-        public void actionPerformed( ActionEvent actionEvent ) {
-          ((JEFrame) JEFrameRegister.getFrameList()[0]).setExtendedState(JEFrame.NORMAL);
-          ((JEFrame) JEFrameRegister.getFrameList()[0]).toFront();
-       }
-      }
-    );
-    this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
-      KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK),
-      "ctrlOpressed"
-    );
-    this.getRootPane().getActionMap().put(
-      "ctrlOpressed",
-      new AbstractAction("ctrlOpressed") {
-        public void actionPerformed( ActionEvent actionEvent ) {
-          Object[] fl = JEFrameRegister.getFrameList();
-          for (int i = 0; i < fl.length; i++) {
-                      ((JEFrame) JEFrameRegister.getFrameList()[i]).setExtendedState(JEFrame.NORMAL);
-                      ((JEFrame) JEFrameRegister.getFrameList()[i]).toFront();
-          }
-
-       }
-      }
-    );
-    this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
-      KeyStroke.getKeyStroke(KeyEvent.VK_LESS , Event.CTRL_MASK),
-      "ctrlSmallerpressed"
-    );
-    final JEFrame self = this;
-    this.getRootPane().getActionMap().put(
-      "ctrlSmallerpressed",
-      new AbstractAction("ctrlSmallerpressed") {
-        public void actionPerformed( ActionEvent actionEvent ) {
-          JEFrameRegister.setFocusToNext(self);
-       }
-      }
-    );
-
-
-    }
-
+	public JEFrame() {
+		super();
+		init();
+	}
 
+	public JEFrame(String name) {
+		super(name);
+		init();
+	}
+	
+	@Override
+	public void addWindowListener(WindowListener l) {
+		super.addWindowListener(l);
+	}
+	
+	private void init() {
+		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
+		
+		this.addWindowListener(new WindowAdapter() {
+			@Override
+			public void windowClosed(WindowEvent e) {
+				super.windowClosed(e);
+				JEFrameRegister.unregister((JEFrame) e.getWindow());
+				//       ((JFrame) e.getWindow()).dispose();
+			}
+			@Override
+			public void windowOpened(WindowEvent e) {
+				super.windowOpened(e);
+				JEFrameRegister.register((JEFrame) e.getWindow());
+			}
+			@Override
+			public void windowActivated(WindowEvent e) {
+				JEFrameRegister.register((JEFrame) e.getWindow());
+				super.windowActivated(e);
+			}
+			
+		});
+		this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
+				KeyStroke.getKeyStroke(KeyEvent.VK_F,Event.CTRL_MASK),
+				"ctrlFpressed"
+		);
+		this.getRootPane().getActionMap().put(
+				"ctrlFpressed",
+				new AbstractAction("ctrlFpressed") {
+					public void actionPerformed( ActionEvent actionEvent ) {
+						((JEFrame) JEFrameRegister.getFrameList()[0]).setExtendedState(JEFrame.NORMAL);
+						((JEFrame) JEFrameRegister.getFrameList()[0]).toFront();
+					}
+				}
+		);
+		this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
+				KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK),
+				"ctrlOpressed"
+		);
+		this.getRootPane().getActionMap().put(
+				"ctrlOpressed",
+				new AbstractAction("ctrlOpressed") {
+					public void actionPerformed( ActionEvent actionEvent ) {
+						Object[] fl = JEFrameRegister.getFrameList();
+						for (int i = 0; i < fl.length; i++) {
+							((JEFrame) JEFrameRegister.getFrameList()[i]).setExtendedState(JEFrame.NORMAL);
+							((JEFrame) JEFrameRegister.getFrameList()[i]).toFront();
+						}
 
+					}
+				}
+		);
+		this.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
+				KeyStroke.getKeyStroke(KeyEvent.VK_LESS , Event.CTRL_MASK),
+				"ctrlSmallerpressed"
+		);
+		final JEFrame self = this;
+		this.getRootPane().getActionMap().put(
+				"ctrlSmallerpressed",
+				new AbstractAction("ctrlSmallerpressed") {
+					public void actionPerformed( ActionEvent actionEvent ) {
+						JEFrameRegister.setFocusToNext(self);
+					}
+				}
+		);
+	}
 }
diff --git a/src/eva2/gui/JEFrameRegister.java b/src/eva2/gui/JEFrameRegister.java
index 18f081b7..70b3c3a4 100644
--- a/src/eva2/gui/JEFrameRegister.java
+++ b/src/eva2/gui/JEFrameRegister.java
@@ -13,35 +13,65 @@ import java.util.ArrayList;
 
 
 public class JEFrameRegister {
+	private static ArrayList<JEFrame> JEFrameList;
 
-  private static ArrayList JEFrameList;
+	static {
+		JEFrameList = new ArrayList<JEFrame>();
+	}
 
-  static {
+	public static void register(JEFrame jf) {
+		if (!JEFrameList.contains(jf)) JEFrameList.add(jf);
+//		System.out.println("reg  " + jf.getTitle() + "/" + (jf.hashCode()) + ", list size: " + JEFrameList.size());
+	}
 
-    JEFrameList = new ArrayList();
-  }
+	public static void unregister(JEFrame jf) {
+		JEFrameList.remove(jf); // Plot windows produce double closing events, so ignore it
+//		if (!JEFrameList.remove(jf)) System.err.println("Warning: tried to unregister frame " + jf.getTitle() + " which was not registered! (JEFrameRegister)");
+//		System.out.println("unreg " + jf.getTitle() + "/" + jf.hashCode() + ", list size:" + JEFrameList.size());
+	}
 
-  public static void register(JEFrame jf) {
-    JEFrameList.add(jf);
-//    System.out.println("reg  ! JEFSIZE :" + JEFrameList.size());
-  }
+	public static Object[] getFrameList() {
+		return JEFrameList.toArray();
+	}
 
-  public static void unregister(JEFrame jf) {
-    JEFrameList.remove(jf);
-//    System.out.println("unreg! JEFSIZE :" + JEFrameList.size());
-  }
-
-  public static Object[] getFrameList() {
-    return JEFrameList.toArray();
-  }
-
-  public static void setFocusToNext(JEFrame jf) {
-    int idx = JEFrameList.indexOf(jf);
-    idx = (idx + 1) % JEFrameList.size();
-    JEFrame toset =    ((JEFrame) JEFrameList.get(idx));
-    toset.setExtendedState(JEFrame.NORMAL);
-    toset.toFront();
-  }
+	public static void setFocusToNext(JEFrame jf) {
+		int idx = JEFrameList.indexOf(jf);
+		idx = (idx + 1) % JEFrameList.size();
+		JEFrame toset =    ((JEFrame) JEFrameList.get(idx));
+		toset.setExtendedState(JEFrame.NORMAL);
+		toset.toFront();
+	}
 
+	/**
+	 * Return all prefixes which occur at least twice in the registered frame list.
+	 * @param prefLen
+	 * @return
+	 */
+	public static String[] getCommonPrefixes(int prefLen) {
+		ArrayList<String> prefixes = new ArrayList<String>();
+		ArrayList<Integer> count = new ArrayList<Integer>();
+		for (int i=0; i<JEFrameList.size(); i++) {
+			String title = JEFrameList.get(i).getTitle();
+			String titPref = title.substring(0, Math.min(prefLen, title.length()));
+			int earlierIndex = prefixes.indexOf(titPref);
+			if (earlierIndex<0) {
+				prefixes.add(titPref);
+				count.add(1);
+			} else count.set(earlierIndex, 1+count.get(earlierIndex));
+		}
+		for (int i=prefixes.size()-1; i>=0; i--) {
+			if (count.get(i)<=1) {
+				prefixes.remove(i);
+				count.remove(i);
+			}
+		}
+		return prefixes.toArray(new String[prefixes.size()]);
+	}
 
+	public static void closeAllByPrefix(String prefix) {
+		for (int i=0; i<JEFrameList.size(); i++) {
+			String title = JEFrameList.get(i).getTitle();
+			if (title.startsWith(prefix)) JEFrameList.get(i).dispose();
+		}
+	}
 }
\ No newline at end of file
diff --git a/src/eva2/gui/PropertyDialog.java b/src/eva2/gui/PropertyDialog.java
index 4541c990..e603affa 100644
--- a/src/eva2/gui/PropertyDialog.java
+++ b/src/eva2/gui/PropertyDialog.java
@@ -41,14 +41,10 @@ public class PropertyDialog extends JEFrame {
     try {
         setIconImage(Toolkit.getDefaultToolkit().createImage(bytes));
     } catch (java.lang.NullPointerException e) {
-        System.out.println("Could not find EvA2 icon, please move resources folder to working directory!");
+        System.err.println("Could not find EvA2 icon, please move resources folder to working directory!");
     }
     //System.out.println("PropertyDialog.Constructor  of "+ Title);
-    addWindowListener(new WindowAdapter() {
-      public void windowClosing(WindowEvent e) {
-	e.getWindow().dispose();
-      }
-    });
+    setDefaultCloseOperation(DISPOSE_ON_CLOSE);
     getContentPane().setLayout(new BorderLayout());
     m_Editor = editor;
     m_EditorComponent = editor.getCustomEditor();
diff --git a/src/eva2/gui/PropertyPanel.java b/src/eva2/gui/PropertyPanel.java
index 377acebe..4a34e9a7 100644
--- a/src/eva2/gui/PropertyPanel.java
+++ b/src/eva2/gui/PropertyPanel.java
@@ -21,6 +21,7 @@ import java.awt.event.MouseEvent;
 import java.beans.PropertyEditor;
 
 import javax.swing.BorderFactory;
+import javax.swing.JFrame;
 import javax.swing.JPanel;
 
 import eva2.tools.EVAHELP;
@@ -51,7 +52,13 @@ public class PropertyPanel extends JPanel {
 					}
 					else {
 						m_PropertyDialog.updateFrameTitle(m_PropertyEditor);
+//						System.out.println("" + BeanInspector.toString(m_PropertyDialog));
+						m_PropertyDialog.setVisible(false);
+						m_PropertyDialog.setExtendedState(JFrame.NORMAL);
 						m_PropertyDialog.setVisible(true);
+						m_PropertyDialog.requestFocus();
+//						System.out.println("" + BeanInspector.toString(m_PropertyDialog));
+//						System.out.println("Aft: " + m_PropertyDialog.isShowing() + " " + m_PropertyDialog.isVisible() + " " + m_PropertyDialog.isActive() + " " + m_PropertyDialog.isFocused());
 					}
 				}
 			}
diff --git a/src/eva2/gui/TopoPlot.java b/src/eva2/gui/TopoPlot.java
index 1e78e21a..1bfb7d85 100644
--- a/src/eva2/gui/TopoPlot.java
+++ b/src/eva2/gui/TopoPlot.java
@@ -12,10 +12,11 @@ package eva2.gui;
 /*==========================================================================*
  * IMPORTS
  *==========================================================================*/
-import java.awt.*;
+import java.awt.Color;
 
 import eva2.server.go.problems.Interface2DBorderProblem;
-import eva2.tools.chart2d.*;
+import eva2.server.go.problems.InterfaceFirstOrderDerivableProblem;
+import eva2.tools.chart2d.DRectangle;
 import eva2.tools.diagram.ColorBarCalculator;
 import eva2.tools.math.Mathematics;
 
@@ -28,8 +29,8 @@ import eva2.tools.math.Mathematics;
  */
 public class TopoPlot extends Plot {
 
-  public int gridx = 50;
-  public int gridy = 50;
+  private int gridx = 50;
+  private int gridy = 50;
   int colorScale = ColorBarCalculator.BLUE_TO_RED;
 
   /**
@@ -59,19 +60,29 @@ public class TopoPlot extends Plot {
     colorScale = color_scale;
   }
 
+  /**
+   * Defines parameters used for drawing the topology.
+   * @param gridX the x-resolution of the topology, higher value means higher resolution
+   * @param gridY the y-resolution of the topology, higher value means higher resolution
+   */
+  public void setParams(int gridX, int gridY) {
+    setParams(gridX, gridY, colorScale);
+  }
+
   /**
    * Defines the topology (by setting a specific problem) and draws the topology
    */
   public void setTopology(Interface2DBorderProblem problem) {
-	  setTopology(problem, problem.get2DBorder());
+	  setTopology(problem, problem.get2DBorder(), false);
   }
    /**
    * Defines the topology (by setting a specific problem) and draws the topology
    */
-  public void setTopology(Interface2DBorderProblem problem, double[][] border) {
+  public void setTopology(Interface2DBorderProblem problem, double[][] border, boolean withGradientsIfAvailable) {
 	double[] sizeXY=Mathematics.getAbsRange(border);
     double deltaX = sizeXY[0]/gridx;
     double deltaY = sizeXY[1]/gridy;
+    double maxDeriv=0;
     double[] pos = new double[2];
     //double fitRange = java.lang.Math.abs(problem.getMinFitness()-problem.getMaxFitness() );
     double fitRange = 0, max = -Double.MAX_VALUE, min = Double.MAX_VALUE, tmp;
@@ -82,6 +93,10 @@ public class TopoPlot extends Plot {
     		tmp = (float)(problem.functionValue(pos));
     		if (tmp < min) min = tmp;
     		if (tmp > max) max = tmp;
+    		if (problem instanceof InterfaceFirstOrderDerivableProblem) {
+    			double[] deriv = ((InterfaceFirstOrderDerivableProblem)problem).getFirstOrderGradients(pos);
+    			for (int i=0; i<2;i++) maxDeriv=Math.max(maxDeriv, Math.abs(deriv[i])); // maximum deriv of first 2 dims
+    		}
     	} // for y
     } // for x
     fitRange = java.lang.Math.abs(max - min);
@@ -89,18 +104,31 @@ public class TopoPlot extends Plot {
 
     m_Frame.setVisible(false);
     for (int x=0; x<gridx; x++) {
-      for (int y=0; y<gridy; y++) {
-    	  pos[0]  = border[0][0]+x*deltaX;
-    	  pos[1]  = border[1][0]+y*deltaY;
-    	  DRectangle rect = new DRectangle(pos[0],pos[1],deltaX,deltaY);
-    	  Color color = new Color(colorBar.getRGB((float)((problem.functionValue(pos)-min)/fitRange)));
-    	  // Color color = new Color(255,(int)(problem.doEvaluation(pos)[0]/fitRange*255),(int)(problem.doEvaluation(pos)[0]/fitRange*255));
-//  	  Color color = new Color(colorBar.getRGB((float)(problem.functionValue(pos)/fitRange))); // Color color = new Color(255,(int)(problem.doEvaluation(pos)[0]/fitRange*255),(int)(problem.doEvaluation(pos)[0]/fitRange*255));
-    	  rect.setColor(color);
-    	  rect.setFillColor(color);
-    	  m_PlotArea.addDElement(rect);
-      } // for y
+    	for (int y=0; y<gridy; y++) {
+    		pos[0]  = border[0][0]+x*deltaX;
+    		pos[1]  = border[1][0]+y*deltaY;
+    		DRectangle rect = new DRectangle(pos[0]-(deltaX/2),pos[1]-(deltaY/2),deltaX,deltaY);
+    		Color color = new Color(colorBar.getRGB((float)((problem.functionValue(pos)-min)/fitRange)));
+    		// Color color = new Color(255,(int)(problem.doEvaluation(pos)[0]/fitRange*255),(int)(problem.doEvaluation(pos)[0]/fitRange*255));
+    		//  	  Color color = new Color(colorBar.getRGB((float)(problem.functionValue(pos)/fitRange))); // Color color = new Color(255,(int)(problem.doEvaluation(pos)[0]/fitRange*255),(int)(problem.doEvaluation(pos)[0]/fitRange*255));
+    		rect.setColor(color);
+    		rect.setFillColor(color);
+    		m_PlotArea.addDElement(rect);
+    	} // for y
     } // for x
+    if (withGradientsIfAvailable && (problem instanceof InterfaceFirstOrderDerivableProblem)) {
+    	for (int x=0; x<gridx; x++) {
+    		for (int y=0; y<gridy; y++) {
+    			pos[0]  = border[0][0]+x*deltaX;
+    			pos[1]  = border[1][0]+y*deltaY;
+    			double[] derivPos = ((InterfaceFirstOrderDerivableProblem)problem).getFirstOrderGradients(pos);
+    			Mathematics.svDiv(1.1*(2*maxDeriv/Math.max(deltaX, deltaY)), derivPos, derivPos);
+    			Mathematics.vvAdd(pos, derivPos, derivPos);
+    			getFunctionArea().drawLine(pos, derivPos);
+    			getFunctionArea().drawIcon(1, "", derivPos, 0);
+    		} // for y
+    	} // for x
+    }
     m_Frame.setVisible(true);
 
   } // setTopology
diff --git a/src/eva2/server/go/operators/postprocess/PostProcess.java b/src/eva2/server/go/operators/postprocess/PostProcess.java
index abf19b84..385a4c18 100644
--- a/src/eva2/server/go/operators/postprocess/PostProcess.java
+++ b/src/eva2/server/go/operators/postprocess/PostProcess.java
@@ -760,8 +760,7 @@ public class PostProcess {
 		if (plot == null) {
 			plot = new TopoPlot("PostProcessing: " + title, "x", "y",range[0],range[1]);
 		    if (prob instanceof Interface2DBorderProblem) {
-		    	plot.gridx=60;
-		    	plot.gridy=60;
+				plot.setParams(60, 60);
 		    	plot.setTopology((Interface2DBorderProblem)prob);
 		    }
 		}
diff --git a/src/eva2/server/go/strategies/ClusterBasedNichingEA.java b/src/eva2/server/go/strategies/ClusterBasedNichingEA.java
index 60510db0..8e1fe67b 100644
--- a/src/eva2/server/go/strategies/ClusterBasedNichingEA.java
+++ b/src/eva2/server/go/strategies/ClusterBasedNichingEA.java
@@ -222,8 +222,7 @@ public class ClusterBasedNichingEA implements InterfacePopulationChangedEventLis
             Population              pop;
 
             this.m_Topology          = new TopoPlot("CBN-Species at gen. " + gen,"x","y",a,a);
-            this.m_Topology.gridx = 60;
-            this.m_Topology.gridy = 60;
+			this.m_Topology.setParams(60, 60);
             this.m_Topology.setTopology((Interface2DBorderProblem)this.m_Problem);
             //draw the undifferentiated
             for (int i = 0; i < this.m_Undifferentiated.size(); i++) {
diff --git a/src/eva2/server/go/strategies/ParticleSwarmOptimization.java b/src/eva2/server/go/strategies/ParticleSwarmOptimization.java
index 012718ba..d24faa62 100644
--- a/src/eva2/server/go/strategies/ParticleSwarmOptimization.java
+++ b/src/eva2/server/go/strategies/ParticleSwarmOptimization.java
@@ -1312,8 +1312,7 @@ public class ParticleSwarmOptimization implements InterfaceOptimizer, java.io.Se
 				a[1] = 0.0;
 				if (topoPlot == null) {
 					this.topoPlot = new TopoPlot("CBN-Species","x","y",a,a);
-					this.topoPlot.gridx = 60;
-					this.topoPlot.gridy = 60;
+					this.topoPlot.setParams(60, 60);
 					this.topoPlot.setTopology((Interface2DBorderProblem)this.m_Problem);
 				}