Hi Yumin,
I used your snippet and it is working fine. I also tried to change the
properties of the upstream filter in addition to the active one but it put me
into trouble. I am modifying the properties with the following code where I
want to change the visibility, surface representation and input array of the
upstream. When I execute the code the widgets get changed but nothing happens
in the view with regards to the changes I made to the upstream, that is the
upstream object stays invisible. To make the object visible I have to manually
click on the active object. After that the upstream object becomes visible but
then its colour mapping does not change in accordance with the input array I
set to the upstream.
The other issue I have is when I delete my object from the pipeline after
modifying the lookup table. Paraview displays "vtkSMPVRepresentationProxy
(0x2f6c8c0): Failed to determine the LookupTable being used." message.
vtkSMProxy* repProxy = repr->getProxy();
const char * arrayName = vtkSMPropertyHelper(repProxy,
"ColorArrayName").GetInputArrayNameToProcess();
int association = vtkSMPropertyHelper(repProxy,
"ColorArrayName").GetInputArrayAssociation();
pqDataRepresentation * uRepr =
repr->getRepresentationForUpstreamSource();
vtkSMProxy* uRepProxy = uRepr->getProxy();
vtkSMPropertyHelper( uRepProxy, "ColorArrayName"
).SetInputArrayToProcess( association, arrayName );
vtkSMPropertyHelper( uRepProxy, "ColorArrayName" ).Set( arrayName );
vtkSMPropertyHelper( uRepProxy, "Visibility" ).Set( 1 );
vtkSMPropertyHelper( uRepProxy, "Representation" ).Set( "Surface" );
repProxy->UpdateVTKObjects();
uRepProxy->UpdateVTKObjects();
Andrzej
________________________________
From: Yumin Yuan [[email protected]]
Sent: 27 January 2016 14:41
To: Andrzej Peczak
Cc: [email protected]
Subject: Re: [Paraview] Changing values of property panel
Hi Andrzej,
The representation has its own SM proxy,
vtkSMProxy* repProxy = repr->getProxy();
vtkSMPropertyHelper(repProxy, "Representation").Set("Surface With Edges");
vtkSMPropertyHelper(repProxy, "LineWidth").Set(2);
HTH,
Yumin
On Wed, Jan 27, 2016 at 7:36 AM, Andrzej Peczak
<[email protected]<mailto:[email protected]>> wrote:
Hi
I am trying to find a way to modify property values of a filter. I figured out
how to change values of the lookup table through its proxy after which the
changes are visible in the colour map editor panel widgets.
I can do it with the following snippet code, however I have not found yet the
way to change properties of the filter property panel. I need to change the
view representation of the filter to Surface With Edges and the line width.
Where do I acquire required proxy objects from ?
pqPipelineRepresentation* repr = qobject_cast<
pqPipelineRepresentation* >( pqActiveObjects::instance().activeRepresentation()
);
if ( repr ) {
vtkSMProxy * lutProxy = repr->getLookupTable()->getProxy();
if ( lutProxy ) {
vtkSMPropertyHelper( lutProxy, "NumberOfTableValues"
).Set( this->scalars().count() - 1 );
lutProxy->UpdateVTKObjects();
}
}
Andrzej
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