[Paraview] Uncomplete display of large unstructured grid

[Ken Martin]

If possible can you try updating the Intel driver for your HD4000 and see
if that makes a difference?

https://downloadcenter.intel.com/product/81499/Intel-HD-Graphics-4000



On Fri, Aug 25, 2017 at 11:11 PM, Cornelis Bockemühl <
cornelis.bockemuehl at gmail.com> wrote:

> Hello all,
>
> With some self-written plugin I am generating rather large "unstructured
> grids". With a model with something more than 700'000 blocks I realized
> that on my Lenovo notebook I did not get a complete display of all the
> blocks, so I made tests with subsets of the data. It turns out that with
> less than 1000 blocks everything works fine, with 20'000 blocks there are
> already some "reductions" and finally with the full model even more: see
> the attached Powerpoint with screenshots (plus details about my system and
> the Paraview version).
>
> My question is now if there is possibly some kind of "graphic card
> overflow" happening? I could so far not test the software with the same
> model on another computer.
>
> And whatever the reason is: is there something that I can do about it?
>
> It is to say that the unstructured grid is a bit "unconventional" by the
> fact that often adjacent blocks do not have common edges and points,
> sharing thus only common partial faces. With this one possibility would be
> that Paraview cannot properly carry out certain optimizations that are
> relying on the fact that neighbor blocks "normally" (??) share a face,
> edges and points. However I do not know whether this is an issue or not!?
> In this case it might be an option to change the entire data set to a set
> of just cubes that happen to touch each other.
>
> Regards, Cornelis
>
> --
> Cornelis Bockemühl
> Basel, Schweiz
>
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-- 
Ken Martin PhD
Distinguished Engineer
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065

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