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David, I have an update for the $GEMPAK/source/programs/gd/gdprof/gdpdta.f routine. The gdpoint program is not affected because it does not try to recompute the point location later as gdprof does for the output listing. I have attached the source code to update 5.9.3/5.9.4. If you need me to provide a specific binary platform let me know, otherwise it will be in the 5.10.1 binary release I'm working on. Steve Chiswell Unidata User Support > David, > > Previously I modified the internal navigation to fix the grid interpolation > problem you were seeing > for vectors between grid points by creating a new grid subregion centered on > the gpoint (eg so > the gpoint location would be on a remapped grid point and the vectors > wouldn't be using interpolated > components between grid points). > > In doing that, I created a new internal navigation, which is conflicting with > the later query of > the user point back into the original navigation (now the new grid is a 3x3 > grid about the GPOINT > rather than the original model domain, so your GPOINT=@x;y is not defined in > the new space). > In fact, the output you are seeing for the GPOINT=lat;lon case should be > showing a pair of > grid points in the new 3x3 domain now instead of the original grid if you > look at that too! > > I'll have to save the original navigation, and restore it after I do the > interpolation > (I'll apply this to the gdpoint program as well since I made the same change > there). > > I'll get that done tomorrow (trying to beat the snow and subzero temps home > today ;-) > > Thanks for pointing this out. > > Steve Chiswell > Unidata User SUpport > > > > > > I'd like To follow up with some info on this bug. It was introduced > > in 5.9.1, 5.8.4 still worked fine. > > > > David > > > > On Wed, Jan 31, 2007 at 04:11:29PM -0700, Unidata GEMPAK Support wrote: > > > > > > David Ovens, > > > > > > Your Ticket has been received and a member of our staff will review it > > > and reply accordingly. Listed below are details of this Ticket. Please > > > make sure the Ticket ID remains in the Subject: line in all future > > > correspondence regarding this inquiry. > > > > > > Ticket ID: WIN-831141 > > > Subject: bug in gdprof for soundings at a grid point > > > Department: Support GEMPAK > > > Priority: Normal > > > Status: Open > > > > > > > > > > > > Please do let us know if we can assist you any further, > > > > > > Unidata User Support > > > > > Ticket Details =================== Ticket ID: WIN-831141 Department: Support GEMPAK Priority: Normal Status: Closed