[Paraview] About visualizing vtk files in Paraview to show data changes maybe with two layers?

[Utkarsh Ayachit]

Xiao Guo,

I am sure what you want could be done. Do you have a sample dataset so
I can play with it figure out what would be easiest route?

Utkarsh

On Thu, Nov 21, 2013 at 1:19 PM, xiao guo <xiao.guo.math at gmail.com> wrote:
> Hi all,
>
> I am trying to visualize some vtk files which are generally a series of
> values of wave and sea level of some area. Now I can just save an animation
> to show some movies of frame1,2,3,....
> However, it is not clear for some regions that the values there are changed.
> For example, when the wave goes to land, the value for the land increases
> from saying 5m to 6m, so there is 1m flood however which is not easy to see
> such small difference especially the change is even smaller saying 0.2 m..
> What I am thinking is to 1) keep the first frame which is the initial value
> for the area as one layer or background with some color scheme; then 2)
> based on the background from 1), difference between the values at step i
> (i=2,3,...) and the initial value (step 0, background) are shown with
> another color scheme, so both the initial image for the area and the changes
> afterwards can be shown clearly.
>
> But I am really not expert in such visualizing work or Paraview, so I come
> here and ask for help. Anyone knows that if I can do such complicated work
> in Paraview and how? Thank you all for attention!
>
> Cheers,
> Xiao Guo
>
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