Why the filters in paraview are in freeze form?

I can’t use all the filters in Para view. When I upload my data only few filters seem unfreeze and operative.

Filters are also greyed out if they don’t have the input data they need. For instance, StreamTracer is grayed out if your data does not have a vector attribute.

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Right, I missed this part :wink:

Hi, I have the data file selected yet all filters are still grayed out. Any reason for this?

Selected a point and i can see the filters now. maybe it’s a bug or something.

Press Apply.