[vtkusers] Highlight vtkBoxWidget face by moving the mouse

[Cory Quammen]

I don't know exactly how to do what you want, but you might want to take a
look at vtkBoxWidget::HighlightFace(int cellId) for some clues how to do
this.

Hope that helps,
Cory

On Mon, Dec 21, 2015 at 6:31 AM, Amélie Thery <theryame at gmail.com> wrote:

> Hi everyone !
> I am trying to highlight a vtkBoxWidget face, when the mouse position is
> over it, and without picking it.
>
> I have this for the moment :
> case WM_MOUSEMOVE:
>             LPPOINT PT=(LPPOINT)malloc(sizeof(LPPOINT));
>             ::GetCursorPos(PT);
>             vtkSmartPointer<vtkPropPicker>
> picker=vtkSmartPointer<vtkPropPicker>::New();
>             picker->Pick(PT->x, PT->y, 0, this->ren);
>             double* pos = picker->GetPickPosition();
>
> and now I don't know what to do because if I get the actor of the picker,
> the whole BoxWidget comes and I just want the face.
> Any help?
> Thank you,
> Amélie
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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