void Particles::setModelTransformation(TransformationData trans)
{
OSG::Matrix m;
gmtl::Matrix44f mat;
transformationDataToMatrix(trans, mat);
m.setValue(mat.getData());
beginEditCP(particleModelTrans, Transform::MatrixFieldMask);
particleModelTrans->setMatrix(m);
endEditCP(particleModelTrans, Transform::MatrixFieldMask);
} // Particles
