Small improvement to the computation of the pixel size vector.
Small improvement to the computation of the pixel size vector.


tomasthoresen/osg,jtorresfabra/osg,marchelbling/osg,marchelbling/osg,jtorresfabra/osg,scrawl/osg,artoolkit/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg,jtorresfabra/osg,jtorresfabra/osg,scrawl/osg,marchelbling/osg,artoolkit/osg,openscenegraph/osg,scrawl/osg,artoolkit/osg,tomasthoresen/osg,marchelbling/osg,artoolkit/osg,tomasthoresen/osg,tomasthoresen/osg,scrawl/osg