[vtkusers] performance reading large data sets

[Oleg Krivosheev]

Michael

it might be not reading per se, but data memory allocation. Did you try to
profile it?

I remember question about 2mo ago wrt large data set memory allocation in
Java, you might want to check it in archives

OK

On Sat, Sep 19, 2015 at 2:51 PM, Michael Arneson <
michael.arneson at geotoolkit.net> wrote:

> Hi
> I am trying to read in a large vtk file (13 million points) using the java
> wrapped vtk libraries.
>
> It takes my program 15 minutes just to load the vtk file but when i load
> the
> data into ParaView, it takes 3 minutes to load and view the file.
>
> Should I be using a different reader to read in the data?
>
> Does anyone know what ParaView is using to load the data so quickly (since
> ParaView uses vtk)
>
> I am using the following code to load the file:
>
> static {
>         vtkNativeLibrary.LoadAllNativeLibraries();
> }
>
> ...
>
> vtkGenericDataObjectReader reader = new vtkGenericDataObjectReader();
> reader.SetFileName("....");
> reader.Update();
>
> Thank you,
> Michael
>
>
>
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