This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Hi George, In SFMAP you can specify the enhancement table with the LUTFIL variable. Enhancement tables are located in the directory $GEMTBL/luts/ and are covered in the GEMPAK tutorial at: https://www.unidata.ucar.edu/software/gempak/tutorial/aesthetics.html#5.2 To define the lutfil requires only the table name (the directory $GEMTBL/luts/ is assumed). So for the UNIDATA_VIS enhancement use the definition LUTFIL = vis_upc.tbl -Michael Unidata > I have a problem to use "Enhancement Tables" when I use sfmap to plot > with satellite visible. > > In the weblink: > https://www.unidata.ucar.edu/software/gempak/examples/tables/tables.html > > it is said "Several predefined color tables are provided with the Gempak > distribution, and can be used within Gempak programs by specifying: > LUT enhancement.tbl at the program prompt after the display is generated." > > I like the one "UNIDATA_VIS" showed on the wegpage: > > https://www.unidata.ucar.edu/software/gempak/examples/tables/vis_enhancements.gif > > But when I typed "LUT enhancement.tbl" or "LUT UNIDATA_VIS", I got > error message: > > GEMPAK-SFMAP>LUT enhancement.tbl > [IM -8] Could not open LUT file enhancement.tbl > GEMPAK-SFMAP> > GEMPAK-SFMAP>LUT UNIDATA_VIS > [IM -8] Could not open LUT file UNIDATA_VIS > GEMPAK-SFMAP> > > I'm not quite clear how to do it. > > Can you help me? > > Best regards, > > Zhuo(George) Liu > > Ticket Details =================== Ticket ID: MIK-474893 Department: Support GEMPAK Priority: Normal Status: Open
