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I will look at it. Thank you for this information.

Ok. I thought about if it could be possible to make the CategoryMarker wider than the category itself. But that's only possible if I change the source code for drawing the domain marker or?

Yes, the medium gray areas are the markers. I wanted to get a different color for each category to make it easier to understand the diagram. If I don't use the 3D BarRenderer, is it possible to change the width of the markers that it has the same width like the areas without marker?

Here is a screenshot of my problem. http://fs5.directupload.net/images/171128/t5i5ogff.png

Hello, I wanted to integrate Category Markers at my bar chart and used the example source code of "CategoryMarkerDemo2.java" for creating these. I am using 3D Bar Charts and I got markers which do not include the whole bars and they are so much smaller than the other ones. I wanted to get different ...