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Why do I get the error message: visad.TypeException: ScalarType: name already used It occurs with this call: index = new RealType("Index"); This is from the tutotrial example. I have tailored the tutorial example to create a generic class capable of plotting two columns of data from a text file. This class I instansiate each time I want to create a new graph, which I would think would create a different "index" variable with each instantiation. So why to I get this error message that the name is already used. Luke
visad
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