[osg-users] Create circle osgEarth

Glenn Waldron gwaldron at gmail.com
Wed Jul 6 06:30:14 PDT 2016

You can use the GeoPositionNodeAutoScaler cull callback on your CircleNode,
assuming you are using a recent osgEarth.

(For osgEarth-specific questions, you can use the osgEarth support forum at

Glenn Waldron

On Tue, Jul 5, 2016 at 2:43 PM, Marco Pompei <kingmarco1983 at gmail.com>

> Hi,
> I am using osgEarth (derivated by OSG) to develop an application for
> drawing several geometry on earth.
> I need to draw a circle (and I know how i can do it, using CircleNode
> class) but no resizable. I mean that I zoom in/out the earth and I'd like
> the circle area don't change. Unfortunately, constructor of this class,
> wants value for radius and when I zoom out/in the circle area
> decrease/increase because its radius keeps constant.
> Any advice for me?
> Thank you!
> Cheers,
> Marco
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=68010#68010
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