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Actually I saved the list of my actor in a vector. And well the input is deleted once I has set the actor in the renderer. If I would saved the input, where there would be no mean of using getmapper()->getInput(). <br><br>I checked the actor, and I verified the input and everything seems ok.<br>:(<br><br>GC.<br><br><hr id="stopSpelling">Date: Tue, 22 Jun 2010 11:20:40 -0400<br>Subject: Re: [vtkusers] recovering the Polydata<br>From: darshanpai@gmail.com<br>To: jothybasu@gmail.com<br>CC: ilferraresebono@hotmail.it; vtkusers@vtk.org<br><br>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 ?<br><br><div class="ecxgmail_quote">On Tue, Jun 22, 2010 at 10:59 AM, Jothy <span dir="ltr"><<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>></span> wrote:<br>
<blockquote class="ecxgmail_quote" style="padding-left: 1ex;"><div dir="ltr">Actor.Getmapper()->GetInput() work well for me.<br><br>Verify your input<br>
<font color="#888888"><br>Jothy<br><br></font><div class="ecxgmail_quote"><div><div></div><div class="h5">On Tue, Jun 22, 2010 at 3:44 PM, Giancarlo Amati <span dir="ltr"><<a href="mailto:ilferraresebono@hotmail.it">ilferraresebono@hotmail.it</a>></span> wrote:<br>
</div></div><blockquote class="ecxgmail_quote" style="padding-left: 1ex;"><div><div></div><div class="h5">
<div>
Hello everybody,<br><br>I am trying to retrieve the polydata linked to a particular actor. I have my actor saved in a list<br>I used the "GetMapper" function to get the pointer to a vtkMapper * and the I used<br>
the function "IsA" to test if it is a vtkPolyDataMapper.<br>The IsA function returns true and I used<br><br>vtkPolyData *pd = mapper->GetInput();<br><br>to retrieve the polydata, but somehow I don't get anything reasonable and the number of vertices is 0.<br>
<br>is that the right way to retrieve a polydata from the pipeline?<br><br>Many thanks.<br>Giancarlo<br> <br><hr>Un mondo di personalizzazioni per Messenger, PC e cellulare, <a href="http://www.pimpit.it/">scaricale gratis!</a></div>
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