Hi Ralph, It works, thank you very much! :)
-- A. On Mon, Oct 27, 2008 at 1:57 PM, Ralf Stokholm <[EMAIL PROTECTED]> wrote: > Hi Alejandro > > You can use gdalwarp to (stamp) the projection information into you data. > > try using something similar to the following: > > //call gdalwarp to project my data to wgs84 > //This will create a virtual raster (vrt) which does not copy the data of > the original raster > //but creates a sort of filter for reading the data. > gdal_translate -of vrt -a_srs EPSG:4326 volcanes.tif volcanes.vrt > > //Then use the vrt as input > osgdem -d volcanes.vrt -l 8 -v 1.0 -o kk > > > EPSG:4326 is short form defenition of a basic lat lon coordinate system, > same format you will receive ie landsat data in. > > Hope this helps. > > Brgs. > > Ralf Stokholm > > 2008/10/27 Robert Osfield <[EMAIL PROTECTED]> >> >> Hi Alejandro, >> >> Your data *is* the problem, please add the coordinate system info. >> Using the --xx etc options really is not a good solution going >> forward. Use properly set up data and things will work fine. Please >> go check out the gdal website for info on how to set up your data. >> >> As for VPB docs, I haven't had a chance to write full docs for all the >> utilities yet. There are some notes online. >> >> Robert. >> >> On Mon, Oct 27, 2008 at 4:43 PM, Alejandro Aguilar Sierra >> <[EMAIL PROTECTED]> wrote: >> > Hi Robert and Umit, >> > >> > As probably you already read it, my data is georeferenced but has no >> > projection info (plain latitude, l,ongitude). Using plain osgdem >> > produces a wrong 1 dimension field (a line). >> > >> > osgdem -d volcanes.tif -l 8 -v 1.0 -o kk >> > >> > I have to give some approximated --xx and --yy data to make it work >> > and even so it does wrongly, creating the mirror image in the Y >> > direction, as you can see comparing the texture image with the >> > produced terrain. >> > Any hint? >> > >> > Where can I find documentation about vpbmaster, vpbcache and vpbsize? >> > >> > Regards, >> > >> > -- A. >> > >> > On Mon, Oct 27, 2008 at 3:40 AM, Robert Osfield >> > <[EMAIL PROTECTED]> wrote: >> >> Hi Umit, >> >> >> >> On Mon, Oct 27, 2008 at 9:25 AM, Ümit Uzun <[EMAIL PROTECTED]> >> >> wrote: >> >>> Thanks for clarification. But I remember that, VPB can manipulate only >> >>> WGS84 >> >>> referenced data. But it may be valid for only BlueMarble viewer. Sorry >> >>> for >> >>> wrong comment :) >> >> >> >> When building geocentric databases VPB reprojects the data into WGS84 >> >> and then builds the data, if you are using vpbmaster then you'll need >> >> to do this reprojection as a prior step to calling vpbmaster. The >> >> vpbcache utility can do this reprojection for you. If you are just >> >> using osgdem standalone then it can do the reprojection for you. >> >> >> >> The key is that your source data should have at least a projection >> >> that GDAL recognizes otherwise you end up having to build your own >> >> projection. GDAL has tools to allow you to do this. >> >> >> >> Robert. >> >> _______________________________________________ >> >> 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 > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
