Its a a GDAL error. Try gdalinfo of the problem file.
On Fri, May 23, 2008 at 4:11 PM, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC <[EMAIL PROTECTED]> wrote: > Robert, > > Thanks much for the info. I will forge ahead with VPB using the --terrain > option and see where things go from there. > > On a related note, I'm seeing an error when I run through the osgdem step > guide for building a terrain database. > > After I run the command: > > osgdem --xx 10 --yy 10 -t ps_texture_16k.tif \ > --xx 10 --yy 10 -d ps_height_16k.tif \ > -l 8 -v 0.1 -o puget.ive -a pegout.osga > > I get the following error messages: > > ERROR 1: ps_height_16k.tif: No space to read TIFF directory > ERROR 1: TIFFReadDirectory: Failed to read directory at offset 537067676 > > Any idea why I'm getting these errors? I've followed the instructions to the > letter... > > -Shayne > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Robert > Osfield > Sent: Friday, May 23, 2008 2:05 AM > To: OpenSceneGraph Users > Subject: Re: [osg-users] osgTerrain and osgDEM... > > Hi Shayne, > > osgTerrain functionality has evolve alot of the last six months, so > not much is documented about it yet. VirtualPlanetBuilder has an > option for building databases using standard nodes like > osg::MatrixTransform/osg::Geode/osg::Geometry (which is the original > and still default option) and now the ability to create > osgTerrain::TerrainTile based terrain - you access this via the > --terrain option. > > When you use VPB to generate databases you just load the topmost tile > of the database and the viewer and supporting classes will work out > what to NodeKits to load and what threads to start up, you won't > actually need to know the details about the what form the database > itself takes, whether its a convetional geometry based database or a > osgTerrain one. > > There are advatanges with a osgTerrain based database though - they > are much faster to generate in VPB, they create small tiles for a > given resolution, the sample density of tiles can be altered at > runtime. The osgmultitexturecontrol example provides an example of > controlling sample density by decorating the loaded database with > osgTerrain::Terrain node and > controlling its parameters. > > Robert. > > On Thu, May 22, 2008 at 10:40 PM, Tueller, Shayne R Civ USAF AFMC 519 > SMXS/MXDEC <[EMAIL PROTECTED]> wrote: >> Hello, >> >> >> >> I'm new to OSG and I'm looking at the osgTerrain nodekit for terrain >> rendering. My question is, is how is this used with Virtual Planet builder >> (osgdem) for rendering terrain? Is VPB osgdem used to construct the > terrain >> database and then osgTerrain used to traverse the terrain in OSG? Is there > a >> Wiki available on how to use osgTerrain? >> >> >> >> I've looked at the osgTerrain example packaged with OSG but I can't get my >> head around how it is used. >> >> >> >> Any input would be most appreciated. >> >> >> >> -Shayne >> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
