[Paraview] Joining / Merging different data sources

[Andy Bauer]

Hi Ken,

There are 2 options that sound kind of what you're looking for. The first
is the Group Datasets filter which combines data sets into a multiblock
data set. Just highlight the filters that you want to combine before
selecting the Group Datasets filter. The advantage to this is that it is
very cheap memory wise due to shallow-copying of data. It also doesn't have
the requirement that they must be the same original data set or even
contain the same fields.

The second option is to use the Append Datasets filter which turns all of
your grouped data sets into a single unstructured grid and ignores and
point or cell data that doesn't exist in all of the input grids. This has
the advantage that it acts as a single "joined" data set but can be costly
memory-wise, especially if any of your original grids are a structured grid.

Regards,
Andy

ps. Welcome to the mailing list!


On Mon, Mar 31, 2014 at 7:00 PM, Ken Mankoff <mankoff at gmail.com> wrote:

> Hi,
>
> Paraview newbie here. First time posting.
>
> I have multiple data sets and I think I would like to merge or join them
> to make the final product easier to work with.
>
> Specifically, I have two CSV files. One pipeline is load -> Delauny
> 2D. The other CSV pipeline is just load. Then I would like apply "Warp
> by Scalar" to both, and select a colorbar and have that apply to both.
>
> I'll be bringing in other data that I would like to Warp by Scalar (the
> same scalar, so that everything has a better Z scale). But the other
> data will have its own colorbar, and further processing.
>
> Being a newbie I'm not even sure if "merge" or "join" are the correct
> keywords to use when searching for what I want to do. I've read the
> manual section on Manipulating the Pipeline.
> http://www.paraview.org/Wiki/ParaView/UsersGuide/Manipulating_the_Pipeline
> I don't see an appropriate section to explore based on the ToC in the
> Paraview manual.
>
> Thanks for any guidance,
>
>   Ken Mankoff
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