Hi again,
thanks to your help. I got much further now, but I experienced some
problems while plotting a stereographic projection over europe.
I plot a field of 132x111 floats as native grid over a stereographic
grid with officially
res@mpCenterLonF = -30 ; center lon
res@mpCenterLatF = 90. ; center lat
and a gridlength of 50km.
This worked well, except that that I couldn't use -30degrees, but had to
switch to something around -32 degrees so the values and the map
fit. I thought this was very strange, and I still have gridcells wich
are not exactly where they should be (about 10-20km displacement).
I can make the 'official' picture (which has been tested by about
40 independant parties), the NCL picture, the source-code and the data
available, if somebody want to have a closer look.
In addition, I would like to have the following for the native
Projection and I don't know how to do it:
a) longitude-latitude lines (drawn similar to the country-codes) (as on
the picture on http://webdab.emep.int/)
b) ticks referencing the grid-cells, i.e.
111
110
.
.
.
1
1 2 3 ... 131 132
or at least ticks at each 10th position.
I hope somebody can help me further.
Regards,
Heiko Klein
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