[visit-developers] [visit-users] Banding issue in VisIt - again

Brad Whitlock bjw at ilight.com
Fri Jul 31 17:26:14 EDT 2015


Sure thing. That's more flexible.

Brad


On Fri, Jul 31, 2015 at 2:23 PM, Harrison, Cyrus D. <harrison37 at llnl.gov>
wrote:

> Another way to skin the cat:
>
> Instead of a scatter plot, you could create a scatter operator that
> creates the mesh topology (and fields four the) scattered point mesh.
>
> Then you could use the Psedocolor plot, with any set of operators you care
> to.
>
> -Cyrus
>
> On Jul 31, 2015, at 2:07 PM, Brad Whitlock <bjw at ilight.com> wrote:
>
> I agree Transform on a Scatter plot could be a useful thing. However, it
> would require some notion that the Transform was not able to be fulfilled
> in the operator and that it needs to be done later in the pipeline after
> the plot has executed. This kind of idea could be very useful for things
> that might happen in rendering, for example. In certain cases, maybe the
> Transform is factored into the rendering matrix. Or, reflect could be made
> to render the dataset with multiple transforms.
>
> Brad
>
>
> On Fri, Jul 31, 2015 at 2:01 PM, Harrison, Cyrus D. <harrison37 at llnl.gov>
> wrote:
>
>> Hi Mark,
>>
>> You can modify the scalar ranges used as input for a Scatter plot using
>> expressions.
>>
>> -Cyrus
>>
>> On Jul 31, 2015, at 1:59 PM, Miller, Mark C. <miller86 at llnl.gov> wrote:
>>
>>
>>
>> From: Brad Whitlock <bjw at ilight.com>
>>
>>
>> Transform having no effect on the Scatter plot is not a bug because the
>> Scatter plot makes the new point mesh from data arrays after Transform
>> would have executed.
>>
>>
>> Hmm. It still seems like a bug to me. I mean I can understand if there
>> are limitations in the implementation that make it difficult for Scatter
>> plot to behave like other plots (maybe that is what you are explaininng
>> above). But from the outside looking in, if I can 'Transform' other plots,
>> why can't I transform a Scatter plot?
>>
>> Mark
>>
>>
>>
>
>
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