[osg-users] Volume Rendering and Depth Buffer

[Chris Hanson]

Instead of reading Z depth values, can you simply run an intersection of
the click ray-vector against the model data (polygonal and volumetric) when
they click to place markdown points?

On Mon, Apr 15, 2019 at 2:34 PM Anna Osvin <osgforum at tevs.eu> wrote:

> We are working on medical software for Dentists. We need to render CBCT
> and give user possibility to place some markdown points on it, for future
> diagnostics. Also sometimes it's required to render polygonal jaw models
> alongside with CBCT. As I said earlier, we nailed down the rendering and
> even "hit detection", but there is a nasty bag with Z Buffer values of the
> background being incorrect, therefore user can place points onto nothing.
>
> ...
>
> Thank you!
>
> Cheers,
> Anna
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=75839#75839
>
>
>
>
>
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