fixed too variing tf

src/main/java/bdv/BigDataViewer.java

@@ -690,9 +690,9 @@ public class BigDataViewer
 	{
 //		final String fn = "http://tomancak-mac-17.mpi-cbg.de:8080/openspim/";
 //		final String fn = "/Users/Pietzsch/Desktop/openspim/datasetHDF.xml";
-		final String fn = "/Users/pietzsch/workspace/data/111010_weber_full.xml";
-		final String fn = "/home/michael/Dokumente/Uni/Masterarbeit/data/HisYFP-SPIM.xml";
-		//final String fn = "/home/michael/Dokumente/Uni/Masterarbeit/data/drosophila.xml";
+//		final String fn = "/Users/pietzsch/workspace/data/111010_weber_full.xml";
+//		final String fn = "/home/michael/Dokumente/Uni/Masterarbeit/data/HisYFP-SPIM.xml";
+		final String fn = "/home/michael/Dokumente/Uni/Masterarbeit/data/drosophila.xml";
 //		final String fn = "/Users/Pietzsch/Desktop/spimrec2/dataset.xml";
 //		final String fn = "/Users/pietzsch/Desktop/HisYFP-SPIM/dataset.xml";
 //		final String fn = "/Users/Pietzsch/Desktop/bdv example/drosophila 2.xml";

src/main/java/bdv/jogl/VolumeRenderer/Scene/InteraktionAnimator.java

@@ -73,6 +73,7 @@ public class InteraktionAnimator {
 		
 		renderer.setOpacity3D((float)(currentAnimationPercentage)/ 100f);
 		renderWindow.getGlCanvas().repaint();
+		
 
 	}
 	

src/main/java/bdv/jogl/VolumeRenderer/ShaderPrograms/VertexBuffer.java

@@ -43,7 +43,6 @@ public class VertexBuffer {
 	
 	public void memcopyData(GL4 gl2, final Buffer data, int elementSize, int offset){
 		bind(gl2);
-		
 		gl2.glBufferSubData(
 				GL4.GL_ARRAY_BUFFER,
 				offset, 

src/main/java/bdv/jogl/VolumeRenderer/gui/SceneControlsWindow.java

@@ -54,6 +54,8 @@ public class SceneControlsWindow extends JFrame {
 	 */
 	private static final long serialVersionUID = 1L;
 
+	private Point2D.Float addedTransfeFunctionPoint = null; 
+	
 	private TransferFunctionDrawPanel tfpanel = null;
 
 	private final JPanel mainPanel  = new JPanel();
@@ -391,9 +393,14 @@ public class SceneControlsWindow extends JFrame {
 			
 				transferFunction.setMaxOrdinates(new Point2D.Float(dataManager.getGlobalMaxVolumeValue(), 1.0f));
 				float lowestDataPoint = dataManager.getGlobalLowestVolumeValue();
-				transferFunction.resetColors();
-				transferFunction.setColor(new Point2D.Float((maxVolume/dataManager.getGlobalMaxVolumeValue())*lowestDataPoint, 0.001f),
-						transferFunction.getColors().firstEntry().getValue());
+			
+				if(addedTransfeFunctionPoint != null){
+					if(transferFunction.getColors().containsKey(addedTransfeFunctionPoint)){
+						transferFunction.removeColor(addedTransfeFunctionPoint);
+					}
+				}
+				addedTransfeFunctionPoint = new Point2D.Float((maxVolume/dataManager.getGlobalMaxVolumeValue())*lowestDataPoint, 0.001f);
+				transferFunction.setColor(addedTransfeFunctionPoint, transferFunction.getColors().firstEntry().getValue());
 			}
 			
 			@Override