I made another experiment today. I replaced Preview with Acrobat Reader 9.0 as a default on Mac OS Snow Leopard. Then the grid (net-like) image problem was no longer a problem.
It appears that LyX on Mac OS Snow Leopard still has compatibility problems that need to be fixed. -- View this message in context: http://n2.nabble.com/grid-image-of-pdf-output-tp4483939p4496225.html Sent from the LyX - Users mailing list archive at Nabble.com.