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trajectories-on-a-map plot
Dear Ferreters!
I would like to plot trajectories (lon,lat,press) - with the pressure height being colored - onto a map.
The file is very long with more than 50000 lines (see below)
name title I J K L
LON LON 1:50784 ... ... ...
LAT LAT 1:50784 ... ... ...
PRESS PRESS 1:50784 ... ... ...
If I start my script
#############################################
go basemap X=110w:20e Y=20:75 20
define axis/x=1:"50784":1 xax
define grid/x=xax goon
file/column=3/var="lon,lat,press"/grid=goon CET_ATTILA_T106L19
GO polymark POLY/OVER/KEY/LEVELS="(200,1000,100)"/nolab lon+360 lat press/100. circle 0.2
############################################
it runs, but not all lon, lat and press values are plotted onto the map. If I type "show data",
the data looks like that:
name title I J K L
LON LON 1:1104 ... ... ...
LAT LAT 1:1104 ... ... ...
PRESS PRESS 1:1104 ... ... ...
What has happened????? How can I plot all values onto the map???
Greetings
Michael
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