[GEMPAK #DTT-795941]: RE: graph-to-grid for RUC_20 grid working on futurama (fwd)

Jeff,

Looking at your VGF lines in white, it looks like you have line breaks in your
contours where the labels are. When generating a VGF for graph to grid, use the 
label "-n" setting in the LINE parameter to prevent line breaks. You would
want "-1" in your instance to label every contour line you specify without
breaking the contour line (eg, closed contours will be closed).

If this isn't your case, can you send me the settings you used with 
gdplot/gdplot2?
And, if all else fails, your vgf output.....

Steve Chiswell
Unidata User Support





> 
> Hi,
> 
> I have a question regarding contour intervals when doing the graph-to-grid
> procedure.  I used gdplot to create QPF intervals (0.01, 0.10, 0.25, 0.5,
> 1.0) and to create a vgf file.  When I go into NMAP and do the grphgd
> procedure with this vgf file, I get some strangeness with the lowest
> contour interval (see Before.jpg attached).  If we make a big zero contour
> around the entire grid area, we get the desired behavior (see After.jpg).
> Is there a way to acquire desire behavior (After.jpg) without having to
> add another contour that is less than 0.01 (in our case)?  Here is our
> qpf.tbl from grphgd directory:
> 
> !PARAMETER      VALUE
> !
> VGF_TEMPLATE    ruc20_PPPP_YYYYMMDDHHfFFF.vgf
> !
> GDOUTF          PPPP_YYYYMMDDHHfFFF.grd
> !
> CNTRFL          PPPP_YYYYMMDDHHfFFF.info
> !
> PATH            $GRPHGD/qpf
> !
> GVCORD          none
> !
> GLEVEL          0
> !
> GGLIMS          0;0||0
> !
> KEYCOL
> !
> MAXGRD          10
> !
> HISTGRD         NO
> !
> ! Specify either CPYFIL  - OR -
> CPYFIL          #RC20
> ! the combination PROJ, GRDAREA, KXKY and ANLYSS
> PROJ
> GRDAREA
> KXKY
> ANLYSS
> !
> ! The following are used to contour/display the grid once it has been
> created
> !
> CINT            0.01;0.1;0.25;0.5;1
> !
> LINE            31/1/4
> !
> FINT            .01;.1;.25;.5;1
> !
> FLINE           0;21-30;14-20;5
> !
> CLRBAR          1
> 
> 
> Any help much appreciated!
> 
> Best Regards,
> 
> Jeffrey M. Vukovich
> Senior Research Scientist
> Baron Advanced Meteorological Systems
> 920 Main Campus Drive
> Suite 101
> Raleigh, NC 27606
> Phone:  (919) 424-4442
> Mobile: (256) 541-4138
> Fax:    (919) 424-4401
> Email: address@hidden
> 
> 
> 


Ticket Details
===================
Ticket ID: DTT-795941
Department: Support GEMPAK
Priority: Normal
Status: Closed