This script contours selected fields over a polar stereographic map
projection at selected Zp pressure levels. User settable options include
color, curly-vector overlay, and postscript file output.
Examples:
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1) user choice: black and white + latitude (geographic coordinates)
comment out colormap
;colormap = "BlAqGrYeOrRevi200"
lat2plt = -60
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2) user choice: color + latitude (geographic coordinates)
colormap = "BlAqGrYeOrRevi200"
lat2plt = -60
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3) user choice: color + latitude (magnetic coordinates)
colormap = "BlAqGrYeOrRevi200"
lat2plt = -60
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4) user choice: color + latitude + limit axis (geographic coordinates)
colormap = "BlAqGrYeOrRevi200"
lat2plt = 60
ymax = 0
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5) user choice: color + lat + interp to height (geographic coordinates)
colormap = "BlAqGrYeOrRevi200"
lat2plt = 60.
height = True
top = 100
bott = 40
dz = 10
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6) user choice: color + latitude + manually set contour
intervals (geographic coordinates)
colormap = "BlWhRe"
lat2plt = -60
manlev = True
minlev = -14000
maxlev = 14000
int = 2000
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7) user choice: color + latitude + limit y-axis + denisty unit
conversion
intervals (geographic coordinates)
colormap = "BlAqGrYeOrRevi200"
lat2plt = -60
ymin = -8
ymax = -4
density_units = "CM3"
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