Hi Andrea, you can create a .dem by 3dem software, download it at http://freegeographytools.com/3dem_setup.exe When you start the software you have to selet File->load terrain model->XYZ PointCloud and after File->Save Ugs asci dem.
Hope this helps, /Jagovic > Andrea, > > I'm afraid I don't know the answer to that one. All the OSG terrain > options take a regular grid of height postings as input, so you would > probably need to preprocess an arbitrary could if you want to go that > route. osgdem, osgEarth, etc. all use GDAL under the hood to read data > formats; you might explore the GDAL utilities > (http://remotesensing.org/gdal) and see it there's a pathway there. > > Once you have regular gridded data in a known format, you can use > either osgdem/VPB or osgEarth to create your terrain (you don't need > both in this case). > > Wish I could be of more assistance. > > Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : +1.703.652.4791 > > > > On Wed, Aug 26, 2009 at 2:19 AM, Andrea Martini<[email protected]> > wrote: >> Hi Glenn, >> thank you for your answer. What do you think about the first question? >> Can i create a dem file starting from a cloud of points using osgdem? This >> cloud of points is an ascii file with n rows each one with x,y,z values. >> These values are referred to a coordinate system (i know this one). >> If i do that, i can create earth and seaground with osgdem then i will >> assembly them with osgearth. Is it right? >> >> Thank you! >> Andrea >> >> ------------------ >> Read this topic online here: >> http://forum.openscenegraph.org/viewtopic.php?p=16732#16732 >> >> >> >> >> >> _______________________________________________ >> 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 > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
