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Hi Curtis, To your first question, yes I call the setData() before adding the DataReferenceImpls to the display. To ensure that the error is not caused by my method, I changed my program to use a DisplayImplJ3D instead of the SSCell. It figures out that with the pure DisplayImplJ3D there are no problems. I can add all kinds of DataReferenceImpls in every combination to the DisplayImpl with my method. Thanks for your help, Mathias > Hi Mathias, > > My first question is, did you do DataReferenceImpl.setData() before adding > the DataReferenceImpls to the display? If not, it would explain the "Data > is null" errors you are getting. If you did call setData() first, however, > then it's probably a bug in BasicSSCell, and I'll look into it. > > -Curtis
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