[visit-developers] threshhold errror message

Kathleen S. Bonnell bonnell2 at llnl.gov
Thu May 7 12:59:09 EDT 2009


Filled boundary plot of materials, with the threshold operator variable
changed to a scalar.



Kathleen

On Thu, 2009-05-07 at 09:41 -0700, Cyrus D. Harrison wrote:
> What type of plot are you adding the threshold op to ?
> I believe this was added to let users know when they add a threshold 
> operator to a vector plot the variable "default" may not work as they 
> expect.
> -Cyrus
> 
> 
> Kathleen S. Bonnell wrote:
> > Hi All,
> >
> > While running some tests (with -lv for output), I noticed this message:
> >
> > VisIt: Warning - The compute engine running on host naboo.llnl.gov
> > issued the following warning: The threshold operator was asked to
> > threshold by a non-scalar. Only scalars are supported for thresholding.
> > You can overcome this by using expressions.  For example, if you would
> > like to threshold using a vector, then you can define an expression for
> > vector magnitude and threshold by that.  This warning will only be
> > issued once per VisIt session.
> >
> >
> > I don't believe the use-case in the test I was running should
> > be generating this error -- does anyone know anything about this?
> >
> > Kathleen
> >
> >
> >
> >   
> 



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