diff --git a/jplotter/src/main/java/hageldave/jplotter/renderers/CoordSysRenderer.java b/jplotter/src/main/java/hageldave/jplotter/renderers/CoordSysRenderer.java
index 35ed3aed..75ea73ab 100644
--- a/jplotter/src/main/java/hageldave/jplotter/renderers/CoordSysRenderer.java
+++ b/jplotter/src/main/java/hageldave/jplotter/renderers/CoordSysRenderer.java
@@ -108,7 +108,8 @@ public class CoordSysRenderer implements Renderer {
 
 	protected Rectangle2D coordinateView = new Rectangle2D.Double(-1,-1,2,2);
 
-	protected TickMarkGenerator tickMarkGenerator = new ExtendedWilkinson();
+	protected TickMarkGenerator tickMarkGeneratorX = new ExtendedWilkinson();
+	protected TickMarkGenerator tickMarkGeneratorY = tickMarkGeneratorX;
 
 	protected Lines axes = new Lines().setVertexRoundingEnabled(true);
 	protected Lines ticks = new Lines().setVertexRoundingEnabled(true);
@@ -477,12 +478,12 @@ public int getLegendBottomHeight() {
 	 * </ul>
 	 */
 	protected void setupAndLayout() {
-		Pair<double[],String[]> xticksAndLabels = tickMarkGenerator.genTicksAndLabels(
+		Pair<double[],String[]> xticksAndLabels = tickMarkGeneratorX.genTicksAndLabels(
 				coordinateView.getMinX(), 
 				coordinateView.getMaxX(), 
 				5, 
 				false);
-		Pair<double[],String[]> yticksAndLabels = tickMarkGenerator.genTicksAndLabels(
+		Pair<double[],String[]> yticksAndLabels = tickMarkGeneratorY.genTicksAndLabels(
 				coordinateView.getMinY(), 
 				coordinateView.getMaxY(), 
 				5, 
@@ -656,23 +657,61 @@ public CoordSysRenderer setyAxisLabel(String yAxisLabel) {
 	/**
 	 * @return the current {@link TickMarkGenerator} which is {@link ExtendedWilkinson} by default.
 	 */
-	public TickMarkGenerator getTickMarkGenerator() {
-		return tickMarkGenerator;
+	public TickMarkGenerator getTickMarkGeneratorX() {
+		return tickMarkGeneratorX;
+	}
+	
+	/**
+	 * @return the current {@link TickMarkGenerator} which is {@link ExtendedWilkinson} by default.
+	 */
+	public TickMarkGenerator getTickMarkGeneratorY() {
+		return tickMarkGeneratorX;
 	}
 
 	/**
 	 * Sets the specified {@link TickMarkGenerator} for this {@link CoordSysRenderer}.
+	 * This sets the same generator for x- and y-axis.
 	 * Sets the {@link #isDirty} state of this {@link CoordSysRenderer} to true.
 	 * @param tickMarkGenerator to be used for determining tick locations 
 	 * and corresponding labels
 	 * @return this for chaining
 	 */
 	public CoordSysRenderer setTickMarkGenerator(TickMarkGenerator tickMarkGenerator) {
-		this.tickMarkGenerator = tickMarkGenerator;
+		this.tickMarkGeneratorX = this.tickMarkGeneratorY = tickMarkGenerator;
+		setDirty();
+		return this;
+	}
+	
+	/**
+	 * Sets the specified {@link TickMarkGenerator} for the x-axis of this {@link CoordSysRenderer}.
+	 * Sets the {@link #isDirty} state of this {@link CoordSysRenderer} to true.
+	 * @param tickMarkGenerator to be used for determining tick locations 
+	 * and corresponding labels
+	 * @return this for chaining
+	 */
+	public CoordSysRenderer setTickMarkGeneratorX(TickMarkGenerator tickMarkGenerator) {
+		this.tickMarkGeneratorX = tickMarkGenerator;
 		setDirty();
 		return this;
 	}
 	
+	/**
+	 * Sets the specified {@link TickMarkGenerator} for the y-axis of this {@link CoordSysRenderer}.
+	 * Sets the {@link #isDirty} state of this {@link CoordSysRenderer} to true.
+	 * @param tickMarkGenerator to be used for determining tick locations 
+	 * and corresponding labels
+	 * @return this for chaining
+	 */
+	public CoordSysRenderer setTickMarkGeneratorY(TickMarkGenerator tickMarkGenerator) {
+		this.tickMarkGeneratorY = tickMarkGenerator;
+		setDirty();
+		return this;
+	}
+	
+	
+	
+	
+	
 	@Override
 	public void glInit() {
 		preContentLinesR.glInit();
diff --git a/jplotter/src/test/java/hageldave/jplotter/howto/BarChartDemo.java b/jplotter/src/test/java/hageldave/jplotter/howto/BarChartDemo.java
index 83c5059b..66109373 100644
--- a/jplotter/src/test/java/hageldave/jplotter/howto/BarChartDemo.java
+++ b/jplotter/src/test/java/hageldave/jplotter/howto/BarChartDemo.java
@@ -53,11 +53,7 @@ public static void oldWay() {
 		// set the content renderer of the coordinate system 
 		coordsys.setContent(barRenderer);
 		// we need to change the tick marks labeling for the y axis
-		TickMarkGenerator oldTickGen = coordsys.getTickMarkGenerator();
-		coordsys.setTickMarkGenerator((min,max,desired,vert)->{
-			if(!vert){
-				return oldTickGen.genTicksAndLabels(min,max,desired,vert);
-			}
+		coordsys.setTickMarkGeneratorY((min,max,desired,vert)->{
 			// make ticks at integer values (0,1,2,...)
 			double[] ticks = IntStream.range(0, cases.length)
 					.mapToDouble(i -> (double)i)