[vtkusers] desire to save vtk interactive gui 'states' - for later exact same replay

[Bill Lorensen]

You should be able to query the active camera and deep copy it. Later, set
the active camera to the deep copied camera.


On Mon, May 20, 2013 at 9:39 AM, David Doria <daviddoria at gmail.com> wrote:

> On Fri, May 17, 2013 at 4:37 PM, greg aiken <gregaiken at hotmail.com> wrote:
> > I have a need to interactively scroll through a 3d surface (similar to a
> > digital elevation map) - where camera is 'looking downward', where the
> > camera is orthogonal to the plane surface, and where a color map is
> assigned
> > to the 'elevation' in the 3d surface.
> >
> > given that the vtk gui may be interactively zoomed in and out, and that
> > where the camera is viewing may be changed, etc...
> >
> > is there any ability for me to say, 'i like this specific view of the
> data
> > set i am now seeing - i need to save the state of this exact viewing
> > situation' (eg,  something akin to taking a snapshot not of the bitmapped
> > pixcelated screen - but rather of the entire state of the vtk
> environment at
> > that point in time).
> >
> > my aimpoint here is to save several such 'states' in a format that would
> > allow me, to at a later point in time, open this same data set in my same
> > vtk application - and then be able to see the EXACT SAME vtk 'snapshot
> > states' that i earlier found to be interesting.
> >
> > im not a doctor, but suppose such an application  might be so that a
> doctor
> > making an assessment of a 3d medical volume set might rotate and zoom and
> > choose a specific angle to view some scan at, and then wishing a
> colleague
> > doctor to see the exact same view of scan to get a different medical
> opinion
> > about.
> >
> > does anyone know if this can be done, and or provide a sample code
> > implementation?
> >
> > perhaps someone has actually done this - and might be willing to code
> such a
> > vtk app for me.  of course i would be willing to pay for this coding.
> >
> > sincerely,
> >
> > greg aiken
>
> Greg,
>
> This seems to be a lot more difficult than it should be. However, it
> looks like this would do what you're looking for:
>
> http://www.vtk.org/pipermail/vtkusers/2000-October/054185.html
>
> If it works for you, if you would write a compilable example of doing
> this and add it to the Examples Wiki, we would appreciate it!
>
> David
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