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Greetings Alan, The lines you see are a result of contours being reprojected. Is there a reason you need the entire GEFS grid (spatially) or that particular projection? Cheers, Sean > Hi Sean, > Sorry not to get back sooner, I'm traveling to the in-laws... > The projection I tried to use was a slightly edited North American > (conical, I believe) zoomed in to the East Coast (Nova Scotia to the > Caribbean). > I think I attached the bundle. > alan > > > Greetings Alan, > > > > What new projection are you trying to use? > > > > Cheers, > > > > Sean > > > >> Full Name: Alan Bol > >> Email Address: address@hidden > >> Organization: COMET > >> Package Version: 3.1u1 build date:2012-10-22 07:11 UTC > >> Operating System: Windows 7 > >> Hardware: Java: home: C:\Program Files\IDV_3.1u1\jre version: 1.6.0_31 > >> j3d:1.5.2 fcs (build4) > >> Description of problem: Hi guys, > >> I'm plotting 500 mb heights from the GEFS ensemble off of motherlode. > >> Whe I change the projection, mysterious horizontal lines appear. I'm > >> running the latest version of IDV. Any ideas? > >> > >> > > > > > > Ticket Details > > =================== > > Ticket ID: SXA-445433 > > Department: Support IDV > > Priority: Normal > > Status: Open > > > > > -- > Alan Bol > Instructional Design and Development > The COMET Program > 303-497-8334 voice > 303-497-8491 fax > > Ticket Details =================== Ticket ID: SXA-445433 Department: Support IDV Priority: Normal Status: Open