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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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To learn about what's going on, see About the Archive Site.
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 givenimage. If the choice is invalid or not specified, the current valuewill 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 ..
for example if we specify: LATLON = 24/12/1/1;1/10;10/48.;-180./1 TEXT = 1.24///221/N/cthe 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.gifHowever, 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 : 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/ ………………………………………………………… ..
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