ADD more explicit error message in VTKExporter

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11320 b7f1a160-662a-0410-a6d8-bea165342f16
push 84d7328..259578c

* commit 259578c81ee321b9565becebd7f6c18dff301a7b
ADD: Cylinder traction scene with neo-hookean force field.

   1 file changed, 62 insertions(+)



git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11321 b7f1a160-662a-0410-a6d8-bea165342f16
CGoGNExtlib : added the Cell class directly in cgogn.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@11322 b7f1a160-662a-0410-a6d8-bea165342f16