[Paraview] Issue with ParaView rendering

[John Mangeri]

Thanks Dieter for your quick response.

Quite literally about a minute after I sent out the email to paraview.org,
I figured out what was going wrong. This was after about a week of fiddling
with it. The problem was actually not within ParaView but I had set an
option in my time independent mesh to show an initial condition which gave
time stamps of 0 AND 1. I was looking at 0 instead of 1 without realizing
the solution was on the other time stamp. I'd like to close this thread.
How do I go about doing so?

John


On Tue, Jul 8, 2014 at 2:34 AM, Dieter Froning <d.froning at fz-juelich.de>
wrote:

> dear John,
>
> from the mathematical point of view:
>
> a) File 1 has a very small extent in y direction. That makes it
> different from File 2.
>
> b) The disp_Magnitude looks correct, the max value  0.1 comes from the
> lower disp_z value (|-0.1|=0.1). Both files.
>
> c) The error message from log scale is correct because log(0)=-infinity.
> (log(disp_Magnitude)). It needs only one hidden position with its
> |value| being 0 (i.e. value=(0,0,0)).
>
> In such cases sometimes I pick the table view (get it with "integrate
> variables"), pick the column where I want to look at and sort it
> ascending by clicking at the column header. In that way you may find the
> data with the lowest |value|.
>
> Good luck!
> --
> mit freundlichen Gruessen / best regards
>
> D i e t e r   F r o n i n g
>
> Institute of Energy and Climate Research (IEK)
> IEK-3: Electrochemical Process Engineering
> tel.: +49 2461 61-6676
> fax:  +49 2461 61-6695
> e-mail: d.froning at fz-juelich.de
>
>
> On Mon, 2014-07-07 at 14:00 -0400, John Mangeri wrote:
> > I'm currently trying to compare two different mesh solution output
> > files in ParaView 4.1.0 Linux64bit(Ubuntu 12.04 LTS). I'm getting an
> > strange error that doesn't make much sense and I think may have
> > something to do with my settings.
> >
> > I have a data range for the following variables to be rendered.
> >
> > File_1:
> >
> > disp_Magnitude: [0,.100]
> > disp_x: [-0.001,0.001]
> > disp_y: [-2e-5, 2e-5]
> > disp_z: [-0.10, 2e-6]
> >
> > File_2:
> >
> > disp_Magnitude: [0,.100]
> > disp_x: [-0.002,0.002]
> > disp_y: [-8e-6,0.001]
> > disp_z: [-0.10,0.0110]
> >
> > File_2 seems to be able to be rendered fine in ParaView but File_1 is
> > giving me troubles. It says "Data range too small to render" in the
> > corner Mapping Data section. I have another program(a simple gui with
> > my solver) that can open these types of files(Exodus II .e format) and
> > all is fine(no errors, the data is there) for both File_1 and File_2.
> > Does anyone know what might be going on here?
> >
> > A couple things I've tried
> >
> > -For File_1 I tried to set a log scale for the color map transfer
> > function and got this error:
> >
> > " Warning: Range [0,0.100038] invalid for log scaling. Changing to
> > [0.0100038,0.100038]."
> >
> > So I know that the program sees the correct data range or does it?
> >
> > -I've also looked in the information tab for my exodus object in
> > ParaView. It says my data ranges for all of the variables are type
> > double [0,0] but this is absolutely wrong since I can open the same
> > file in my gui and view the mesh with the correct data ranges for each
> > of these variables. I also think the error for log scale conflicts
> > this statement. Why does the information tab say [0,0] but log scale
> > reads a range of [0,0.1]?
> >
> > -If I open File_1 and then open File_2 in this order I get the same
> > error for File_2 that I get for File_1. Then if I change my disp_Mag
> > variable to disp_X the problem ceases for File_2
> >
> > -Other unrelated files are giving me the same error but the data type
> > data range is listed as double [.05,.05]
> >
> >
> > Also I'm sure all of my settings are set to DEFAULT since I haven't
> > changed them at all.
> >
> >
> > Thanks for the help
> >
> > John M
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