>2008/12/23 Eric Firing <efir...@hawaii.edu>:
> antonv wrote:
>> Hi all,
>>
>> I am trying to plot data from a grib file from noaa ...
>> Here is a sample of the code that I am using:
>>
>> import matplotlib.pyplot as plt
>> import matplotlib.mlab as mlab
>>
>> r =
>> mlab.csv2rec('D:/SocalScubaInfo/Data/Outputs/CSV_files/DIRPW_12191800.csv')
>> plt.contour(r.longitude, r.latitude)
>> plt.show()
>>
>> Which errors out and requires a 2d array.
>>
>> By the way, here is a data file: http://downloads.75ive.com/testdata.csv
>> http://downloads.75ive.com/testdata.csv
>>
>> Any help is appreciated!
>
>
> I assume you meant to include your dependent variable in the call to
> contour, not just your longitude and latitude. In any case, you need to
> grid your data onto a 2D array. In the mpl examples, see griddata_demo.py.
If you just want a quick overview, you could also try
>>> plt.scatter(r.longitude, r.latitude, c=r.dirpw_200812191800, s=5,
>>> edgecolors='none')
>>> plt.colorbar()
>>> plt.show()
Cheers,
Scott
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