Hi Lz,

Could this be small feature culling culling the text?  You can disable
small feature via

  viewer.getCamera()->setCullingMode(viewer.getCamera()->getCullingMode()
| ~osg::CullSettings::SMALL_FEATURE_CULLING);

Robert.

On Wed, Aug 10, 2011 at 9:32 AM, Lv Qing <[email protected]> wrote:
> Hi,
>
> ...
>
> I have used  osgText:FadeText attaching a model for displaying it's text 
> information.I set the osgText:FadeText  always
>
> It is OK  in most case.Then I found if the model's size is small enough and 
> the distance from viewer is too long(like 3000KM),the osgText:FadeText is not 
> visible when the model been loaded the first time.
>
> Then I zoom the viewer in,the osgText:FadeText  is visible  in certain 
> distance,if I zoom the viewer out again,the osgText:FadeText  is still 
> visible.Then nomatter how far the osgText:FadeText  away from the viewer,it 
> is OK like normal.
>
> It means when the first time I loaded the model ,the  osgText:FadeText may 
> keep invisible and waiting me to find it.
>
> It is certainly something about model's size,if it is big enough ,the problem 
> will never happen.
>
> Need help!
>
> Thank you!
>
> Cheers,
> Lv
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=41967#41967
>
>
>
>
>
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