Hi Brad, osgSim::OverlayNode does work for whole earth databases. Have a look at the osgsimulation example for an example of this in action.
Robert. On Wed, Dec 16, 2009 at 9:19 AM, Christiansen, Brad <[email protected]> wrote: > Hi All, > > I need to implement a dynamic 'drawing' overlay that is rendered onto a > model created using vpb. Has anyone tackled this so far? > > My first thought is to use the osgSim Overlay as I have used this to do > the same thing on a flat world. Should this work for a geocentric model? > > > My first attempts at using it failed, but I am now pretty sure this was > due to the MultitextureControl turning off my texture unit, so I will > try again. Any thoughts on whether the osgSim Overlay is the best > approach / if it will work? > > I will also need to select objects on this layer. My plan is to > intersect with the 3D model, get the lat lons, then convert this into > the reference frame used to render the overlay, and do a second > intersect operation from there. I think this will be fine but seems a > little complex. Does anyone have a suggestion for a better approach? > > Cheers, > > Brad > > > > DISCLAIMER:--------------------------------------------------------------------------- > This e-mail transmission and any documents, files and previous e-mail messages > attached to it are private and confidential. They may contain proprietary or > copyright > material or information that is subject to legal professional privilege. They > are for > the use of the intended recipient only. Any unauthorised viewing, use, > disclosure, > copying, alteration, storage or distribution of, or reliance on, this message > is > strictly prohibited. No part may be reproduced, adapted or transmitted > without the > written permission of the owner. If you have received this transmission in > error, or > are not an authorised recipient, please immediately notify the sender by > return email, > delete this message and all copies from your e-mail system, and destroy any > printed > copies. Receipt by anyone other than the intended recipient should not be > deemed a > waiver of any privilege or protection. Thales Australia does not warrant or > represent > that this e-mail or any documents, files and previous e-mail messages > attached are > error or virus free. > -------------------------------------------------------------------------------------- > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
