[vtkusers] How to enable the stencil buffer?

Allie Vacanti allison.vacanti at kitware.com
Thu Sep 6 10:33:29 EDT 2018

Stencil masks aren't used often in VTK, though the LabeledContourMapper
will use them, see:


Using them requires enabling stencil buffers via the RenderWindow API
and writing
a new OpenGL mapper or renderpass to setup the GL state. There is not an
existing general way to render arbitrary actors into a stencil buffer that
I am aware of.

On Tue, Sep 4, 2018 at 9:03 PM, pnt1614 <minpu.code at gmail.com> wrote:

> I can do a clipping and fill a hole using the stencil buffer in OpenGL, so
> is
> there anyway to enable and use the stencil buffer in VTK? I have checked
> some examples about vtkImageStencil but how to enable stencil tests when
> rendering objects?
> Is there anybody experienced this problem? Please, help me.
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