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Re: 19991006: Using topographic AREA files in GEMPAK/GARP

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  • Subject: Re: 19991006: Using topographic AREA files in GEMPAK/GARP
  • Date: Tue, 12 Oct 1999 14:42:01 -0700
Steve & Tom,

Thanks for the help.  I've managed to produce the high res terrain I
needed.  As you pointed out Steve, once I had made the AREA files
integrating into Garp was relatively painless.

Thanks again,

Justin

Steve Chiswell wrote:
> 
> Justin,
> 
> Once you have the AREA file created, it is fairly easy to add it
> to the Garp display.
> 
> 1) Add the AREA file into the $GARPHOME/map/areas directory
> 
> 2) Edit the $GARPHOME/config/Garp_defaults file and add your AREA file
>    name to the colormapkeys list and your desired menu button string
>    to match in colormaplabels.
> 
> 
> The last thing will be to define an enhancement table that you
> want to use with the data. The continental area images from
> McIDAS that I provided have a sensor source = 11, and band = 1.
> So I defined in $GEMTBL/sat/imgtyp.tbl "TOPO" with:
> 
> IR            0    255     11      1      1 upc_topo.tbl
> 
> This defines the data range from 0 to 255 for sensor 11, band 1
> with raw values to use the upc_topo.tbl which is found in
> $GEMTBL/luts directory. Or, you can use the default linear gray.
> 
> You can also add your enhancement to the Garp enhancements menu
> by adding the $GEMTBL/luts file name to the
> $GARPHOME/tables/sat_enhance.tbl list (you can omit the .tbl
> file name extension from this list).
> 
> Steve Chiswell
> Unidata User Support
> 
> 
> On Wed, 6 Oct 1999, Unidata Support wrote:
> 
> >
> > ------- Forwarded Message
> >
> > >cc: David Ovens <address@hidden>
> > >From: Justin Sharp <address@hidden>
> > >Subject: Converting raster data to area data
> > >Organization: University of Washington/Atmospheric Sciences
> > >Keywords: 199910051925.NAA04765 GEMPAK topographic images
> >
> > Hi,
> >
> >  .... Responses to other questions provided by Tom Y.
> >
> > 4) Finally, the reason I am doing all this is to provide myself and my
> > department with high resolution terrain overlays for use in Gempak and
> > Garp.  Once I have an area file how can I integrate it into Garp so that
> > it can be selected of the overlays menu?
> >
> > Sorry to ask such a lot of question at once but I've been struggling with
> > this for a while.  Assuming that I can resolve these problems I will have
> > the capability of producing 30 second terrain overlays for any specified
> > area from 6N:-180W to 90N:-50W (i.e. all of N. America and beyond).  I
> > will of course be happy to contribute these to the Unidata community at
> > large.
> >
> > Thanks,
> >
> > Justin Sharp.
> >
> > Justin Sharp          INTERNET: address@hidden
> > UUCP:   uw-beaver!atmos.washington.edu!justin
> > Dept of Atmospheric Sciences
> > University of Washington, Box 351640
> >
> >
> > ------- End of Forwarded Message
> >
> >

-- 
Justin Sharp            INTERNET: address@hidden
UUCP:     uw-beaver!atmos.washington.edu!justin
Dept of Atmospheric Sciences
University of Washington, Box 351640