[Paraview-developers] Specifying HiResLineSource to StreamTracer

[Utkarsh Ayachit]

Panos,

The "Source" property has a vtkSMProxyListDomain[1] which has proxies
for each of the options shown in the use. You can set the value of the
property using the proxies in that domain. You can get to the domain
using vtkSMProperty::FindDomain() method on the "Source" property.

[1] http://www.paraview.org/ParaView3/Doc/Nightly/www/cxx-doc/classvtkSMProxyListDomain.html



On Thu, Oct 2, 2014 at 12:32 PM, Panos Asproulis
<panos.asproulis at gmail.com> wrote:
> Hi all,
>
> I am trying to write code to create a streamline plot using the StreamTracer
> filter. The problem I have is the following: the StreamTracer filter
> receives as seed points a set of points created either by "PointSource"
> (extended_source) object or the "HiResLineSource" alternative. The default
> is "PointSource" so in the following code:
>
>   pqPipelineSource* streamFilter = builder->createFilter("filters",
> "StreamTracer", namedInputs,
>       paraview->getActiveServer());
>
>   pqSMProxy sourceProxy =
> pqSMAdaptor::getProxyProperty(streamProxy->GetProperty("Source"));
>
> std::cout << sourceProxy->GetXMLName() << std::endl;
>
> the object sourceProxy is indeed a "PointSource" object. How can I specify
> to the StreamTracer filter that I want it to use the "HiResLineSource"
> object instead? Do I need to create it? Is it available somewhere?
>
> Thanks in advance,
> Panos
>
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