[osg-users] troubles with osgTerrain::NoDataValue

Korolyov Ilia ya-breeze at ya.ru
Mon Sep 15 01:53:52 PDT 2008


Hi Luc,

Good news. Where I can find your changes? In svn trunk?

Thanks
Ilia


В Пнд, 15/09/2008 в 10:42 +0200, Frauciel Luc пишет:
> Hi Ilia,
> 
> I recently add support for reading and writing osgTerrain::NoDataValue in .ive plugin, but I didn't have the time to add it in .osg.
> What is going amiss, is that it is not implemented at all :) but it should be quite staight forward to do it
> 
> Be also aware that even if gdal and osgTerrain can handle noda values, VirtualPlanetBuilder is unable to do so (probably because it relies on osg::HeighField in a first step of computation)
> 
>     Luc
> 
> Luc FRAUCIEL - BRGM
> Unité Calcul, 3D et réalité virtuelle
> Service Systèmes et Technologies de l'Information
> 3, av C. Guillemin BP 36009 - 45060 Orléans Cedex 2, France
> Tél. 02 38 64 35 65
> Fax 02 38 64 39 70 
> 
> > -----Message d'origine-----
> > De : osg-users-bounces at lists.openscenegraph.org 
> > [mailto:osg-users-bounces at lists.openscenegraph.org] De la 
> > part de Robert Osfield
> > Envoyé : lundi 8 septembre 2008 10:57
> > À : OpenSceneGraph Users
> > Objet : Re: [osg-users] troubles with osgTerrain::NoDataValue
> > 
> > HI Ilia,
> > 
> > On Sun, Sep 7, 2008 at 9:11 PM, Korolyov Ilia <ya-breeze at ya.ru> wrote:
> > > Hello
> > >
> > > For Earth 3D model building we using osgTerrain::TerrainTile with 
> > > osgTerrain::HeightFieldLayer and osgTerrain::NoDataValue operator.
> > > When we show scene immediately - it looks ok.
> > >
> > > When we saving 3D model into *.osg file, osgTerrain::NoDataValue is 
> > > not saved. So, when we load file back, data validation is 
> > broken. What 
> > > we need to do?
> > 
> > You need to dig out the sources for osgTerrain .osg to be 
> > found in src/osgPLugins/osgTerrain/ and see what is going 
> > amiss with the non data value.
> > 
> > Robert.
> > _______________________________________________
> > osg-users mailing list
> > osg-users at lists.openscenegraph.org
> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-opensce
> > negraph.org
> > 
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