Thanks, Patrick. So it appears that the text rotation does not work for
the lat/lon labels.
Kwan
On Fri, Mar 10, 2017 at 10:15 AM, Patrick L. Francis <wxprofessor@xxxxxxxxx>
wrote:
> I am trying to make use of the text rotation option in GEMPAK. According
> to the documentation,
> "The text rotation is a character input that specifies whether the
> text is aligned with the screen (S) or with north (N) on a given
> image. If the choice is invalid or not specified, the current value
> will be used."
> which is given in the fifth option in TEXT. To test out the text
> alignment option towards the north, I tried plotting a map of North America
> with lat/lon lines using GPMAP with TEXT=1/21/1/1/N/C. However, the
> lat/lon labels remain aligned with the screen and not parallel with
> latitude lines. Is there something I have missed?
>
>
>
> You haven't given GEMPAK anything to rotate... grid labels are relative
> [image:
> :-)]..
>
>
> for example if we specify:
>
>
> LATLON = 24/12/1/1;1/10;10/48.;-180./1
>
> TEXT = 1.24///221/N/c
>
>
> the result will be a geographic grid labeled every 10 degrees, but the
> labels will be relative to the map surface... like so:
>
> http://modelweather.com/files/patrick/no_grid.gif
>
>
> However, if we specify plot all station IDs using STNPLT, and request for
> them be north oriented using the same text qualifier above:
>
>
> STNPLT = 5/1|3/12/1.25/2|sfstns.tbl
>
> TEXT = 1.24///221/N/c
>
>
> all station IDs will be oriented towards the north pole [image: :-)]:
>
> http://modelweather.com/files/patrick/rotate_text.gif
>
>
>
> good luck...
>
>
> --patrick
>
>
> …………………………………………………………...........
>
> Patrick L. Francis
>
> Director of Research & Development
>
> Aeris Weather
>
>
>
> http://aerisweather.com/
>
> http://modelweather.com/
>
>
>
> wxprofessor@xxxxxxxxx
>
> http://facebook.com/wxprofessor/
>
>
>
> …………………………………………………………
>
>
> ..
>
>
>
>
>
