G2 Panorama Viewer tests

The Cylindrical pan was stitched with panorama factory click here While the G2 viewer is among my favourates I keep noticing the wiggly lines on the edge of the viewer, so i Also posted a Spherical projection and a Cubic projection Stitched with Realviz and created with g2 filebuilder. I have set the FOV slightly wider to study the edges and the viewers effects on straight lines.
Comments appreciated.