[osg-users] Create circle osgEarth

[Marco Pompei]

Hi GWaldron,
thank you for your help and thank to indicate me right forum for osg::Earth. i ll write there as well. Unfortunately i didn't get how i can use it cause i didn't find any documentation about it.

Do you have any example?

Thank you
M.


gwaldron wrote:
> Marco,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 http://forum.osgearth.org (http://forum.osgearth.org))
> 
> 
> 
> Glenn Waldron
> 
> 
> 
> 
> On Tue, Jul 5, 2016 at 2:43 PM, Marco Pompei < ()> wrote:
> 
> > 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 (http://forum.openscenegraph.org/viewtopic.php?p=68010#68010)
> > 
> > 
> > 
> > 
> > 
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> 
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=68149#68149