[GEMPAK #ZUL-859909]: Lat/Lon grid definition

> Hi Steve,
> 
> Thanks for your reply.  I'll use linetype 10 as you suggest and we will
> call the faint line a "feature".

Thats the type of feature I like! Better than the unexplained randomly occuring
type.

Steve Chiswell
Unidata User Support



> 
> Mark
> 
> 
> 
> Unidata GEMPAK Support wrote:
> >> Hi Steve,
> >>
> >> Thanks, this works very well.  I used your first suggestion, producing
> >> latlonpts.stn.
> >>
> >> I have been experimenting with the LATLON parameter with the hope that I
> >> can turn off the grid lines (now produced with STNPLT) while retaining
> >> the lat/lon labels.  It appears that whatever I do to the color,
> >> linewidth, etc. applies to both the line and the label, so making the
> >> grids white will result in an invisible label as well.  Do you have any
> >> suggestions?
> >>
> >
> > Nope. Stuck on that. The solutions I have are either:
> > - use line type 10 and and adjust spacing, but can't get rid of it all
> > or
> > - If you area is constant, I'd suggest creating a basemap vgf of
> >  the latlon labels and points, and edit the lines out in NMAP2
> > by selecting all "lines" and deleting. Then when you create your
> > product, you could just overlay that vgf without having to render
> > the points (you could also use vgappend to add this to your product).
> >
> >
> >
> >
> >> Also, of a more general nature, where are the line types, colors, etc.
> >> defined?
> >>
> >
> > The "definition" of colors is in $GEMTBL/colors/.
> > The line types themselves are rendered by $GEMPAK/device/draw/iline.f
> > (which calls idash ...and/or idraw). You can use the program "plotsyms"
> > to display the line types, or the program "atest" to test the interfaces
> > to the drawing commands through the $GEMPAK/source/gplt library routines.
> >
> > Steve Chiswell
> > Unidata User Support
> >
> >> Thanks,
> >>
> >> Mark
> >>
> >> Unidata GEMPAK Support wrote:
> >>
> >>>> Full Name: Mark Hughes
> >>>> Email Address: address@hidden
> >>>> Organization: Global Weather Dynamics, Inc
> >>>> Package Version: 5.10.3
> >>>> Operating System: Linux
> >>>> Hardware: HP Pavillion
> >>>> Description of problem: Hi,
> >>>>
> >>>> I am using gpmap to draw .vgf files produced from BUFR data.
> >>>> I would like to draw lat/lon grid lines with a dotted line which has 
> >>>> dots one degree apart.
> >>>>
> >>>> Is this possible?
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Mark Hughes
> >>>> Global Weather Dynamics, Inc.
> >>>>
> >>>>
> >>>>
> >>>>
> >>> Mark,
> >>>
> >>> One solution I have to ensure 1 degree spacing and allow you the 
> >>> flexibility of
> >>> choosing any marker type (dots, crosshair, etc) is to create a station 
> >>> table with
> >>> bogus station ids for every lat/lon and then use STNPLT to plot the 
> >>> station locations in the table.
> >>> This might be slower than you want, but guaranteed to work. I attached a 
> >>> script to output
> >>> those points which you can redirect to a file. Here is the STNPLT line I 
> >>> tested after
> >>> running the script and outputting to a file latlonpt.stn:
> >>> STNPLT   = 0|3/15/3/1|latlonpt.stn
> >>>
> >>> Another simple solution is to create a 1 degree CED file (eg proj #003) 
> >>> or just grab the latest GFS and use gdplot2
> >>> to plot a marker (eg TYPE=m), set IJSKIP=0, MARKER = 3/15/3/1. I like 
> >>> this since it allows you to use IJSKIP
> >>> to filter the points to change the spacing (multiples/filter) should you 
> >>> like.
> >>>
> >>> Anyhow, thats 2 solutions off the top of my head.
> >>>
> >>> Steve Chiswell
> >>> Unidata User Support
> >>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: ZUL-859909
> >>> Department: Support GEMPAK
> >>> Priority: Normal
> >>> Status: Closed
> >>>
> >>
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: ZUL-859909
> > Department: Support GEMPAK
> > Priority: Normal
> > Status: Closed
> >
> >
> 
> 


Ticket Details
===================
Ticket ID: ZUL-859909
Department: Support GEMPAK
Priority: Normal
Status: Closed