[vtkusers] recovering the Polydata

[Darshan Pai]

I am just wondering , maybe I am wrong, but if you delete the Input then
Actor->GetMapper()->GetInput() should fail . Maybe that is your error here ?

On Tue, Jun 22, 2010 at 10:59 AM, Jothy <jothybasu at gmail.com> wrote:

> Actor.Getmapper()->GetInput() work well for me.
>
> Verify your input
>
> Jothy
>
> On Tue, Jun 22, 2010 at 3:44 PM, Giancarlo Amati <
> ilferraresebono at hotmail.it> wrote:
>
>>  Hello everybody,
>>
>> I am trying to retrieve the polydata linked to a particular actor. I have
>> my actor saved in a list
>> I used the "GetMapper" function to get the pointer to a vtkMapper * and
>> the I used
>> the function "IsA" to test if it is a vtkPolyDataMapper.
>> The IsA function returns true and I used
>>
>> vtkPolyData *pd = mapper->GetInput();
>>
>> to retrieve the polydata, but somehow I don't get anything reasonable and
>> the number of vertices is 0.
>>
>> is that the right way to retrieve a polydata from the pipeline?
>>
>> Many thanks.
>> Giancarlo
>>
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