ok, problem solved. the opengl paint method has draw the object while the calculation of the normals wasn't complete.
thanks for your good advices. johannes. -----Ursprüngliche Nachricht----- Von: Gerrit Voß [mailto:[email protected]] Gesendet: Do 04.06.2009 12:18 An: [email protected] Betreff: Re: [Opensg-users] OpenSG crashed while compute the Normals Hi, > ok, some additionally background information. my application is a deformation > simulator. i calculate the deformation and update the geometry. > > GeoPositions3fPtr pos = GeoPositions3fPtr::dcast(geo->getPositions()); > GeoPositions3f::StoredFieldType *posfield = pos->getFieldPtr(); > ... > beginEditCP(pos, GeoPositions3f::GeoPropDataFieldMask); > for(in_iter = in.begin(); in_iter != in.end(); ++in_iter) { > ... > posfield->setValue(Pnt3f(x[0], x[1], x[2]), in_iter->first); > } > endEditCP(pos, GeoPositions3f::GeoPropDataFieldMask); > ... > > after the updating i recalculate the normals (maximum 15 times per second). > > if(run_time < clock()) { > run_time = clock() + CLOCKS_PER_SEC/15; > calcVertexNormals(geo); > } > > this routine runs is a separate osg thread. > > is it possible that the paintGL method is call while the update of the > geometry is not complete (or the calculation of the normals)? > highly, if you run inside the same aspect as your drawer. Do you have any exclusion/synchronization mechanism in place not to draw while the normals are updated ? kind regards, gerrit ------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
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------------------------------------------------------------------------------ OpenSolaris 2009.06 is a cutting edge operating system for enterprises looking to deploy the next generation of Solaris that includes the latest innovations from Sun and the OpenSource community. Download a copy and enjoy capabilities such as Networking, Storage and Virtualization. Go to: http://p.sf.net/sfu/opensolaris-get
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