[vtkusers] How can I zoom without using mouse wheel in a vtkCanvas?

Sebastien Jourdain sebastien.jourdain at kitware.com
Sun Sep 13 11:19:15 EDT 2015

If you keep the default interaction style, then I think the right click
with moving the mouse up and down should zoom.

On Sun, Sep 13, 2015 at 4:29 AM, -Daniel- <ich_daniel at habmalnefrage.de>

> Hi there,
> I use vtkImageSlice's, which are represented in a vtkCanvas.
> Now, when I use the mouse wheel then the images are zoomed. This is okay,
> but I don't want to zoom with the mouse wheel but rather by pressing a
> button.
> By setting Interactor style on NULL zooming is disabled.
> How can I, for example using the mouse button to zoom in or out? Or which
> Interactor style should I use?
> Any hints?
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