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Thank you. Actually, i had already heard about that system of null values series. But i wanted to avoid it because, I am not talking about two datasets, as I said before, it could be a lot of them. But I have read a lot about this and it seems that I have not a better option. I asked here because I ...

Isn't there a way to do it without that "null series" stuff??

You mean the labels of the tick units??? If you are working with CategoryAxis: Horizontal --> domainAxis.setCategoryLabelPositions(CategoryLabelPositions.STANDARD); Vertical --> domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_90); If you are working with a ValueAxis: Horizontal --> ...

Thank you very very much for answer me, but I think that won't do. The first solution because, I need both bars to be showed. The second solution either because I need to see the entire bars, not just a portion. And something else, what I need to do is some kind of dinamic graphic. I mean, I can't a...

First of all, I want to apologize for my English, I am from Spain so this is difficult to me. Ok, I have the next problem. I have made a graph with an extra-axis. The problem is that the bars from the extra axis are hidden because, the bars of the principal axis are showed first. You can only see th...