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 : [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] 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 <[EMAIL PROTECTED]> 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.
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> negraph.org
>
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