[Paraview-developers] Forwarding optional input port to subproxy

[Mathieu Westphal]

Take a look at thsi xml.

It's a the tracker "Surface" input is an optional input which is forwarded
to the "Model" proxy.
https://gitlab.kitware.com/paraview/paraview/blob/868bfcbac94325498394f2f9845b81b17e91a377/Plugins/LagrangianParticleTracker/LagrangianParticleTracker.xml

Mathieu

Mathieu Westphal

On Fri, Dec 9, 2016 at 7:45 PM, David Lonie <david.lonie at kitware.com> wrote:

> Hi list,
>
> I'm trying to add the ability to use a custom dataset as a glyph source in
> for the default glyph/geometry representation, and I'm stuck at the XML
> part.
>
> How things are currently arranged:
>
> Glyph3DRepresentation has a GlyphType InputProperty, which is controlled
> by a ProxyListDomain that contains various polydata SourceProxies.
>
> The GeometryRepresentation has a Glyph3DRepresentation SubProxy.
>
> It looks like I'd need some way to:
>
> 1) Specify that the GlyphType's ProxyListDomain should use an input
> connection as valid input.
>
> 2) Add an optional input connection to GeometryRepresentation that is
> picked up by Glyph3DRepresentation and used for the GlyphType input when
> the ProxyListDomain is set to "use input" from (1).
>
> Do these pieces exist, or are there other ways to do this?
>
> BTW, I'm aware of the custom glyph filter, but that won't work in this
> scenario -- we need the glyphing to happen at render-time without creating
> a massive glyphed polydata object in-memory.
>
> Dave
>
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