[vtkusers] Picking actors from an assembly

[Koteswara Rao Ruvva]

 Todd, GetActor() returns None, but GetAssembly() returns the picked assembly. Looks like I am missing something. Thank you.

    On Friday, February 23, 2018, 12:55:44 AM PST, Todd via vtkusers <vtkusers at vtk.org> wrote:  
 
 Hi Rao
vtkPropPicker inherits from vtkAbstractPropPicker, so, following your own code example, you can just use picker.GetActor()
It's documented herehttps://www.vtk.org/doc/nightly/html/classvtkPropPicker.html


On 23 Feb 2018 8:49 p.m., Koteswara Rao Ruvva via vtkusers <vtkusers at vtk.org> wrote:

 Thank you for responding, Todd.
First of all, I cannot instantiate vtkAbstractPropPicker, as it is abstract type. I appreciate if you can send me some sudo code. BTW, I moved from vtk7.1.1 to 8.1.0.
Thank youRao
    On Wednesday, February 21, 2018, 11:25:07 PM PST, Todd via vtkusers <vtkusers at vtk.org> wrote:  
 
 vtkAbstractPropPicker.GetActor() in vtk 8

On 22 Feb 2018 7:02 p.m., Koteswara Rao Ruvva via vtkusers <vtkusers at vtk.org> wrote:

Hello all,
I have two vtkPropAssemblies in the Renderer, each with couple of vtkActors. How do I pick an actor using mouse? I need to find the actor and the location on the actor. I tried the following code, but I am getting an assembly instead of the actor.
picker = vtk.vtkPropPicker()if picker.Pick(mouseX, mouseY, 0,  renderer):        prop = picker.GetPath().GetFirstNode().GetViewProp()
        print(prop)     
Please advise.
Thank youRao


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