[FLASH-USERS] QuickFlash Interpolation Question

Samuel Friedman friedman at astro.wisc.edu
Thu Feb 18 10:22:20 EST 2010


Dear Randy,

Where would the documentation for resample be?  Also, can this be done 
through some kind of command line interface?  I don't want to select 
manually "File -> Export" many times (which I need to do).

Thanks,
Sam


On Wed, 17 Feb 2010, Randy Hudson wrote:

> 
> Sam,
> 
> After you use visit's resample operator on the pseudocolor plot, you can use
> "File -> Export database ..." to save the uniform grid -- with as many of your
> variables as you want -- to a file of any of several formats.
> 
> The documentation doesn't say, though, whether the resample operator
> interpolates.
> 
> 
> On Feb 17, 2010, at 1:08 PM, John ZuHone wrote:
> 
> >Sam,
> >
> >Visit's manuals are frightfully outdated (at least the ones online), but I
> >think that you are still correct. One can always do a resample using visit
> >but to regrid something uniformly to be put into something else is another
> >matter (which might be still possible but more difficult).
> >
> >As Nathan was talking about (at least I think this is what he's talking
> >about), in QuickFlash there are some examples of sub-sampling to a uniform
> >grid, particularly in examples/map_uniform, which samples to a  2D uniform
> >mesh. This of course has the associated problems he talked about with the
> >refinement boundaries, but should work fine for some things where this is not
> >a huge issue.
> >
> >I have taken this routine and expanded it somewhat to include sampling to a
> >3D mesh, which I can provide for you if this is something that may be useful.
> >
> >Best,
> >
> >John Z
> >
> >On Feb 17, 2010, at 1:53 PM, Samuel Friedman wrote:
> >
> > >Dear Tomek,
> > >
> > >I just looked at VisIt and it does not appear to satisfy my needs.  In
> > >short, I need to generate a uniform grid of the data.  If you know how to
> > >do this with VisIt, I'll listen; I looked through VisIt's manuals and
> > >there is no mention about it in the manuals.
> > >
> > >Sam
> 
> 
> Randy.
> 
> 
> 



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