[Paraview] Point swarm with one cell

[Biddiscombe, John A.]

It's because most of the filters which operate on 'cells' don't really handle the multi-vertex cell type in the way you'd like. Converting the data to 32768 cells with one point each is the solution. you used to be able to use MaskPoints filter to do that, but the singlecellpervertex function is not exposed in paraview, so the threshold is one way to do it.

-----Original Message-----
From: ParaView [mailto:paraview-bounces at paraview.org] On Behalf Of ben
Sent: 09 October 2014 06:53
To: paraview at paraview.org
Subject: [Paraview] Point swarm with one cell

I have a point swarm (output from Underworld thermal model), with one cell, and 32768 points. I cannot seem to get any sort of visualisation from it after filtering. If I apply a Threshold filter to 'remove' some of the data, nothing shows at all.

If I first apply a Clip filter, but set it outside the range of the data, then the result is a dataset with 32768 cells, and 32768 points. 
The Threshold filter works after that.

Why is this?


Ben
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