Hi Blake,

Unless something has changed in the API recently, I don't think you can.
You would need to derive from SourceGeo instead, and then build all the
knobs you need in there.

Unfortunately, this means your reader will use a separate node, as opposed
to the standard ReadGeo.

I believe Jonathan gave some more details on this a while back.




On Wed, Mar 13, 2013 at 3:47 PM, Blake Sloan <[email protected]> wrote:

> Is it straightforward to add a knob to a GeoReader? I've added the knobs()
> prototype to the class definition of my derived class and used the usual
> method to add knobs to the control panel. They don't show up. Is there an
> example of this anywhere? The my3dReader example does not have custom knobs.
>
> Once again, sorry if this is already well-covered.
>
> -b
>
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