[Paraview] Automatically scale color map
Alex Lindsay
adlinds3 at ncsu.edu
Tue Mar 22 18:53:38 EDT 2016
Ken & Cory, thank you both for the input. I agree that changing scales
can be very misleading! However, at this point I'm investigating some
very new physics that I don't quite have an intuitive grasp of yet.
Thus, being able to see the max and/or min in the domain and its
location evolve over time is useful for me. Cory's suggestion works well
for this.
Thanks again guys!
On 03/22/2016 05:35 PM, Cory Quammen wrote:
> On Tue, Mar 22, 2016 at 4:25 PM, Moreland, Kenneth <kmorel at sandia.gov
> <mailto:kmorel at sandia.gov>> wrote:
>
> Alex,
>
> I'd like to supplement Cory's answer (which is totally correct)
> with some caution. There is a reason why the functionality you are
> looking for is hidden in the Settings dialog. Making animations
> where the color map rescales every time step can be very
> misleading. Use this option with caution.
>
>
> Yes, couldn't agree more.
> Cory
>
> Rather than change the color map scaling every time step, it is
> better to set a static range that is valid for all time steps (if
> possible). Assuming your data is not huge (and it sounds like it
> is not), you can try hitting the "Rescale to data range over all
> timesteps" button. (It is in the color map editor to the right of
> the color bars with the "t" on it.) That will look at your data
> over all time and set the color scale to the min/max over all.
>
> -Ken
>
> From: ParaView <paraview-bounces at paraview.org
> <mailto:paraview-bounces at paraview.org>> on behalf of Cory Quammen
> <cory.quammen at kitware.com <mailto:cory.quammen at kitware.com>>
> Date: Tuesday, March 22, 2016 at 2:55 PM
> To: Alex Lindsay <adlinds3 at ncsu.edu <mailto:adlinds3 at ncsu.edu>>
> Cc: ParaView <paraview at paraview.org <mailto:paraview at paraview.org>>
> Subject: [EXTERNAL] Re: [Paraview] Automatically scale color map
>
> Alex,
>
> Rescaling on Visibility Changes only rescales when an object
> changes from visible to invisible or vice versa (hence visibility
> change).
>
> To do what you want, see Edit -> Settings. In the Settings dialog,
> click the General tab and find the "Transfer Function Reset Mode".
> You can change this to "Grow and update every timestep" to expand
> the range as time moves on (range never shrinks) or "Clamp and
> update every timestep" to shrink the range every timestep.
>
> HTH,
> Cory
>
> On Tue, Mar 22, 2016 at 3:51 PM, Alex Lindsay <adlinds3 at ncsu.edu
> <mailto:adlinds3 at ncsu.edu>> wrote:
>
> Sorry for the barrage of questions guys. I've used Paraview a
> lot for 1D visualization, but now am wading into 2D... Based
> off Utkarsh's description here
> <https://blog.kitware.com/using-the-color-map-editor-in-paraview-the-basics/>,
> I would think that toggling "Rescale on Visibility Changes"
> (text a little different from previous versions of Paraview)
> would lead to automatic scaling of my color map when I change
> time steps. However, that doesn't appear to be the case. What
> am I missing?
>
>
>
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> --
> Cory Quammen
> R&D Engineer
> Kitware, Inc.
>
>
>
>
> --
> Cory Quammen
> R&D Engineer
> Kitware, Inc.
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