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Hi Brian, NEXR2RHI uses bilinear interpolation between tilts if the variable INTERP is set to "yes" http://www.unidata.ucar.edu/cgi-bin/gempak/manual/variables_index?interp Michael James Unidata > > Dear Support, > > I am curious what gempak uses for interpolation of the 88D radar > for display in a cross section. It looks like there is no interpolation in > the horizontal, but some sort of interpolation between beams in the > vertical? We have been fighting with our own interpolation here of 88D, > and it is tricky to make it look good (gempak is not bad...). > > thanks, > > Brian > __________________________________________________ > Dr. Brian A. Colle > Editor, AMS Weather and Forecasting > Associate Professor > Institute for Terrestrial and Planetary Atmospheres > School of Marine and Atmospheric Sciences > Stony Brook University / SUNY > Stony Brook, NY 11794-5000 > phone: (631)632-3174 > email: address@hidden > > Ticket Details =================== Ticket ID: SJP-979424 Department: Support GEMPAK Priority: High Status: Open