[Paraview] Delayed load pqLoadDataReaction

[Utkarsh Ayachit]

YOu might want to listen to representationAdded(..) signal fired by
the source. I am guessing you're trying to access the representation
even before its created.

Utkarsh

On Tue, Feb 1, 2011 at 7:52 AM, Christoffer Green
<christoffer.green at gmail.com> wrote:
> Hello
> I am developing an application based on the clone2 source in paraview 3.8.1.
> I am using the following code to automatically show and accept loaded data:
>
> this->ui->proxyTabWidget->setShowOnAccept(true);
> new pqAutoApplyReaction(this->ui->actionAutoApply);
>
> And I am using pqLoadDataReaction::loadData(stringList) to add the data.
> I am wondering how one can know when the data/objects have actually been
> loaded? This so you can make changes to that data.
> After loading new data I want to do the following (change the ColorMap on
> the new objects):
>
> pqDataRepresentation *currentDisplay =
> qobject_cast<pqPipelineRepresentation*>(pqActiveObjects::instance().activeRepresentation());
> vtkSMProxy *lookupTable = currentDisplay->getLookupTable()->getProxy();
>
> But that code crashes (since the objects have not yet loaded?).
> Any ideas? Thanks.
> BR/ Christoffer
>
>
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