Problem with sf reso​urces​

Dear NCL-Experts,

I have three scalar datasets, latitude, longitude (ascii) and the actual data
(binary). They all have the same length ((0) len data: 1075 len lon: 1075
len lat: 1075) and are ordered correctly, meaning that the values at the first
index are the latitude value and its corresponding data value and data value.

I now want to draw a contour plot. I found the scalar field resources which
perfectly fit to my problem. Unfortunately I could not draw a plot yet. I do not
even get any error messages.

Here are the important parts of my code:

      latS = min(lat)
      latN = max(lat)
      lonL = min(lon)
      lonR = max(lon)

      res@sfDataArray = data1
      res@sfXArray = lon
      res@sfYArray = lat

      plot = gsn_csm_contour_map(wks, data1, res)

I guess I did not really get the connection between the three datasets. In the
examples on the homepage sfElementNodes and sfFirstNodeIndex are used as well
and seem to be of major importance. But I did not really get the usage of those
two.

Does anybody have any idea where the bug in my code is or what is missing?

Thanks a lot!
Best wishes
Nicole Stoffels

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Received on Wed Feb 20 14:09:28 2013