[Paraview] SWKey: How to Clean-up an STL datum set?

[Utkarsh Ayachit]

You can use the *Extract Selection* filter. Before you create the filter,
make sure you invert the selection so that you are removing the selected
selected. To do that, once you've made your selection, go to *Edit | Find
Data* and then check the *Invert Selection *check box. Now, from the dialog
itself, you can click the *Extract Selection* button to create a new *Extract
Selection* filter. The output of this filter is *Unstructured Grid * and
STL only supports *Polydata, *hence apply the *Extract Surface* filter
again and then you shall be able to save out the result as a new STL file.

Hope that helps.
Utkarsh

On Mon, Mar 20, 2017 at 5:18 PM, Samuel Key <samuelkey at bresnan.net> wrote:

> Hello All,
>
> I am working with a less than perfect STL surface. I was able to use PV's
> Clip filter spheres to remove a number of spatially isolated undesirable
> triangle clusters.  (With a new application of the Extract Surface Filter,
> I was able to use Save Data to get an updated/revised STL file.)
>
> I am now working on removing triangles that have a point or an edge
> attached like a fish fin to the desired STL surface. I have successfully
> selected the undesirable fin-like triangles. Now, I want to delete (or
> Clip) these triangles to remove  them from the datum set. Right-click
> delete does not appear to be an option?
>
> Is there some way to delete these selected STL triangles from the Datum
> set?
>
> Regards,
>
> Sam Key
> FMA Development
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