[Paraview] How to set properties of custom vtkSMProxies (python)?

[Mario Schreiber]

Thank you for the explanations. I'll try and see which solution works for
me.

Mario

2016-12-05 21:57 GMT+01:00 David E DeMarle <dave.demarle at kitware.com>:

> The immediate_update flag that you can set in XML doesn't quite do what
> you want and it seems like it may be deprecated soon.
>
> Internally vtkSMProxy::UpdateProperty takes an optional force flag, but I
> don't see that exposed anywhere public that won't involve writing some
> paraview SM code to use it.
>
> What you might do is add a pure vtkProperty (not vtk*vector property) that
> calls some method on your class. Those take no arguments so they always
> execute on the server when asked for by the client.
>
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909 <(518)%20881-4909>
>
> On Mon, Dec 5, 2016 at 3:39 PM, Mario Schreiber <
> schreibermario40 at gmail.com> wrote:
>
>> Thank you, that works.
>> However, I have modified the method SetMyProperty, so that it performs
>> some additional logic. Now, the problem is, that I need SetMyProperty to be
>> called even when setting the same value again. ParaView caches the
>> property, so that SetMyProperty is only executed when the argument is
>> different from a previous call. Is it possible to change a flag or
>> something to force the remote procedure call even if the argument is the
>> same?
>>
>> Thanks
>> Mario
>>
>>
>> 2016-12-05 15:26 GMT+01:00 David E DeMarle <dave.demarle at kitware.com>:
>>
>>> Try adding a Property element to the xml.
>>>
>>> On Sat, Dec 3, 2016 at 12:09 PM, Mario Schreiber <
>>> schreibermario40 at gmail.com> wrote:
>>>
>>> ...
>>>
>>>
>>>> class vtkMyObject : public vtkObject
>>>> {
>>>>   public:
>>>>
>>> ...
>>>
>>>>
>>>>     vtkGetMacro(MyProperty,double);
>>>>     vtkSetMacro(MyProperty,double);
>>>>
>>>>
>>> To make that callable by ParaView:
>>>
>>> 4. MyConfig.xml:
>>> <ServerManagerConfiguration>
>>>   <ProxyGroup name="my">
>>>    <Proxy name="MyObject" class="vtkMyObject"
>>> label="MyObject">
>>>
>>>  <DoubleVectorProperty command="SetMyProperty"
>>>                             default_values="0"
>>>                             name="MyProperty"
>>>                             number_of_elements="1"
>>>                             panel_visibility="default">
>>>         <Documentation>Set MyProperty</Documentation>
>>> </DoubleVectorProperty>
>>>
>>>
>>>>    </Proxy>
>>>>  </ProxyGroup>
>>>> </ServerManagerConfiguration>
>>>>
>>>>
>>> ...
>>>
>>>
>>
>
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