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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Giovanni, You can leave GDFILE blank. It is only used if you wanted to reference a LOCI based on grid points. If you are annotating meteorograms, you will most likely be using screen coordinates only. Steve Chiswell Unidata User Support > Hello Steve, > > I've tried it, but the GPANOT program asks for the "GDFILE" parameter and I'm > using a surface (METAR -> sao.gem) file. > Which file should I put as GDFILE? > > Thanks, > > Giovanni > > > Quoting Unidata GEMPAK Support <address@hidden>: > > > Giovanni, > > > > The program GPANOT has the capability of putting text at user defined > > locations on a plot > > with rotation: > > > > INFO = > > SIZE/FONT/WIDTH/BORDER/RELROTATION/JUSTIFICATION/HW-SW/JUSTIFICATION/ANGLE/TEXT > > eg > > shape = text > > loci = .5;.5 > > info = 3/21/3/1/S//sw/C/90/test string > > > > this will write the string "test string" at position .5;.5 screen relative, > > 90 degree ANGLE relative to the screen (RELROTATION is 'S'). > > > > Note that the first 7 fields match the "phelp text" settings, however > > the documentation of INFO doen't mention that > > the eighth ("text_string" portion can have 3 parts to it each separated by a > > '/'). > > > > The first 7 fields are parsed just as "phelp text" will. The fields 8 > > through > > 10 are introduced in the > > gpanot program, so it is important that you have all the fields > > and use empty '//' fields where necessary to maintain the number of fields. > > If you only > > have 8 fields, then the text string has no rotation ANGLE. > > > > Use the "sw" font to be able to rotate the text. HW fonts cannot be rotated. > > > > Steve Chiswell > > Unidata User Support > > > > > > > Hello Steve, > > > > > > How are you doing? I'm fine. > > > I'm trying to add text strings (labels) to my SFGRAM plot and I found > > > this email list answer below. Is there any easier way to do it? > > > If not, could you send me gptext.tar.Z ? > > > > > > Thank you, Giovanni > > > > > > > > > ############################################ > > > Subject: 20000626: PUTTING LABELS ON AXES IN GEMPAKI posted this in > > > ~gbuddy/nawips-5.4/contrib/gptext.tar.Z > > > > > > Download into $NAWIPS and unpack/install with: > > > > > > zcat gptext.tar.Z | tar xvf - > > > cd gempak5.4/source/programs/gp/gptext > > > make > > > make install > > > make clean > > > > > > Once the program is installed, you can write text (and rotate) such as: > > > TITLE = 5//Height (m) > > > TEXT = 1/21/1/sw > > > POSITION = .03;.45;90 > > > DEVICE = XW > > > COORD = n > > > gptext->r > > > ###################################3 > > > > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: MIA-749109 > > Department: Support GEMPAK > > Priority: Normal > > Status: Closed > > > > > > > -- > Giovanni Dolif > Meteorologista (Msc.) - CPTEC/INPE > http://www.cptec.inpe.br > Tel.: 55 - (12) 3186-8459 > > Ticket Details =================== Ticket ID: MIA-749109 Department: Support GEMPAK Priority: Normal Status: Closed