[Paraview] Fwd: multivariate transfer function?

[Dale Braden]

Hello,

Having looked at the docs and explored the UI, I can't tell whether
Paraview can do what I want.  I have some scalar field data on a regular
grid.  I import that into Paraview and then use the Gradient filter to
calculate the gradient of this data.  Now what I want to do is query both
of these data sets and plot the scalar field data only if it falls within a
certain range of values AND its gradient also falls within a certain
range.  I can imagine doing this either by writing a filter to create a
third data set which contains only those points which pass the test, but
neither the Calculator nor the Custom Filter seem to let me do that.  Or I
could create the plot more directly by creating a multivariate transfer
function, but I can't find any way to do that in the UI.  Can Paraview do
this kind of thing from within the UI?

Eventually I will want to add the Laplacian and be able to query all 3
field properties in order to determine what to plot, but for now I thought
I would work on the simpler 2-variable case.

Dale
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[Paraview] custom view plugin - minimal example needed

[Kolja Petersen]

Dear plugin developers,
I need to implement a custom view to present datasets in a detailed
editable format.

This link says that the plugin tutorial is obsolete for the view part:
https://www.paraview.org/Wiki/ParaView/Plugin_HowTo#Adding_a_custom_view_.2A_obsolete_.2A

The Examples/Plugins/GUIView suggested in the link doesn't exist. The
Plugins/MantaView is rather complex and doesn't compile due to other bugs
as reported elsewhere, so that I can't get a clue how the MantaView plugin
is supposed to work.

Could some kind developer upload a minimal working view plugin example,
which needs to display only a simple QButton or any other widget? This will
help to allow users build their custom views for ParaView 5.x.y.
Thank you
Kolja
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Re: [Paraview] PV4.1.0 multiple rulers

[Utkarsh Ayachit]

Not in 4.1.0. I believe this was fixed in 5.2. 5.2 onwards, you can
create and show multiple rulers.

Utkarsh

On Sun, Jan 14, 2018 at 7:54 AM, Stephen Wornom  wrote:
> I have a slice plane with 2 cylinders separated.
>
> I use rule to measure the length of the re-circulation zone after each
> cylinder.
> Independently, the ruler shows the distance. When I save the jpg I would
> like to see both distances on the figure. At the moment I can only see one
> not both.
> Is there away to see both?
> Hope my question is clear,
> Stephen
>
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[Paraview] PV4.1.0 multiple rulers

[Stephen Wornom]

I have a slice plane with 2 cylinders separated. 

I use rule to measure the length of the re-circulation zone after each 
cylinder. 
Independently, the ruler shows the distance. When I save the jpg I would like 
to see both distances on the figure. At the moment I can only see one not both. 
Is there away to see both? 
Hope my question is clear, 
Stephen 
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