[vtkusers] Can we have overlapping viewports

[Steven Ferrell]

I believe you may also want to set layers if you want to create overlaid
viewports that have no background (like a 3d axis rendered in a separate
rederer within a renderwindow).

virtual void SetNumberOfLayers<http://www.vtk.org/doc/release/5.2/html/a01192.html#270c62e248c8a479ec61b839e3a4c4d8>(int)
virtual void SetLayer<http://www.vtk.org/doc/release/5.2/html/a01187.html#5621b2f66530f887d930ac21860f963e>(int)

Here's an example, it doesn't use layers, but that would just be a couple of
extra lines of code:
http://public.kitware.com/pipermail/vtkusers/2001-September/007992.html



On Thu, Jan 7, 2010 at 1:15 PM, David E DeMarle <dave.demarle at kitware.com>wrote:

> Yes you can. A RenderWindow can have any number of Renderers in it,
> and those may freely overlap. When they overlap the bottom one sets
> the background color for instance. For interaction there is a way to
> query/control what renderer gets the action.
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 28 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-371-3971 x109
>
>
>
> On Thu, Jan 7, 2010 at 1:00 PM, Xiaofeng Z <xf10036 at hotmail.com> wrote:
> > Hello,
> >
> > I would like to know if VTK will be able to handle two or more viewports
> > that overlap on each other.  If so, how does it behave?
> >
> > Xiaofeng Zhao
> >
> >
> >
> >
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