[aspect-devel] More vtu problems

[Timo Heister]

Lev,

the error message "unable to allocate 387872496 elements of size 8
bytes" means that paraview failed to allocate ~ 3 GB of RAM when
loading the file. I can not tell you if the file is written
incorrectly or if it is just too big for this machine.

Best,
Timo

On Wed, Aug 2, 2017 at 2:21 PM, Lev Karatun <lev.karatun at gmail.com> wrote:
> Hi,
>
> I ran into more problems trying to open vtu files. This time I used the
> option "number of grouped files = 1", and the output file opened without
> errors, but when I try to visualize the velocity using glyphs in Paraview,
> it crashes. It doesn't crash on a couple of first output files, only on the
> later ones. I attached the screenshot with error message. It's paraview 4 on
> the screenshot, but I tried the earliest version with little luck.
> I tried doing the same in Visit, it didn't crash, but produced an error and
> didn't plot velocities either.
> I also tried checking the vtu file for NULL characters. Obviously I can't
> check a 300 mb file with bare eye, but I tried doing
> tr < solution-00004.vtu -d '\000' > sol-04
> and there was no difference between the original file and output of tr. I
> tried the same command the files I had problems with earlier, and there was
> difference, so I assume the command is correct.
> From the error message, I thought maybe Paraview ran out of memory, but I
> actually still have about about 4GB free. Also, the problem persists when I
> open a single 300mb file, which I successfully did many times in the past.
>
> If someone has any ideas on how to solve this, I would appreciate it.
>
> Best regards,
> Lev Karatun.
>
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-- 
Timo Heister
http://www.math.clemson.edu/~heister/