A question to the specialists: Can Paraview refresh its view automatically when a dataset updates its state?
A plugin starts a background thread that calculates new dataset values periodically. Each time a calculation step is finished, all filters and views connected to the generated dataset should be updated. (Something similar is done in a live catalyst connection. But catalyst has a serious drawback for large datasets. It runs in a separate process, so that the datasets cannot be in shared memory, but have to be transferred, requiring redundant storage space and wasted network bandwidth.) Although paraview is said to be not thread safe, it should't be problematic as long as access to VTK classes is limited to the main thread. The difficult question is, how can paraview be notified that a plugin has updated its output while the main thread only waits for GUI or network events when idle? Any ideas or recommendations? Conny
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