Hi, What you want is possible with VPB by restricting the levels at which the maps are used. I cant remember the options off the top of my head, but you will need to specify each source individually and specify at what levels it should be used. From memory, the levels are quad tree levels so you may need to do some calculations of your own (or use trial and error) to figure out what level a certain map should become available.
Cheers, Brad -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Martin Naylor Sent: Friday, 9 September 2011 6:11 AM To: [email protected] Subject: Re: [osg-users] [vpb] Multiple maps in model with osgdem? (vpb) Hi, I believe it may be possible with vpb. But you may want to take a look at osgearth, it has some features you need such fade in between layers. My knowledge on the two is minimal, but it may help? Regards Martin Naylor -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Chris Ess Sent: 04 September 2011 01:46 To: [email protected] Subject: [osg-users] [vpb] Multiple maps in model with osgdem? (vpb) Hi, I am not sure if this is even possible, but I would like to use 5 or 6 different maps taken at varying altitudes but of the same region and create one model/map. As a user zooms in on the model/map the texture would update. For example: Say I had a map of North America, then a more detailed map of the United States, and finally another detailed map of just a state in the US. As the user zooms in they would see North America, then the United States, and finally a detailed state map. >From the little bit of experimenting I have done, I have thrown all the geotiffs in one folder (from all 3 different maps) and built a model. What I am seeing is parts of the map are at the original scale (North America), then the regions of North America that have more detailed tiles available from the "sub" maps are simply overwritten with the more detailed tiles. So its like 3 different map formats all on one map and looks like some kind of Frankenstein monster. What I would like is for all of the North America map to display, then as the user zooms in, if a more detailed view/map is available, it should update accordingly, showing the detailed portions only if the user is at the necessary scale/zoom level. I hope this makes sense, I feel I explained it horribly. Is this even possible using VPB/osgdem? Are there any other tools that may work better? Thank you! Cheers, Chris ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=42404#42404 _______________________________________________ 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 ------------------------------------------------------------------------- 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
