python, numpy through enthought -
Python 2.7.2 |EPD 7.1-1 (32-bit)| (default, Jul  3 2011, 15:13:59) [MSC v.1500 32 bit (Intel)] on win32
imports at the top of the script:

import numpy as N
import matplotlib.pyplot as plt
from numpy import ma as MA
from mpl_toolkits.basemap import Basemap
import os


On Thu, Mar 1, 2012 at 4:42 PM, Benjamin Root <ben.root@ou.edu> wrote:


On Wednesday, February 29, 2012, questions anon wrote:
I have had some progress reading in the data but am unsure how to create lats and lons from the info I have (see above).
the error I am receiving is:

Traceback (most recent call last):
  File "d:\plotrainfall.py", line 40, in <module>
    CS = map.contourf(x,y, f, 15,cmap=plt.cm.jet)
  File "C:\Python27\lib\site-packages\mpl_toolkits\basemap\__init__.py", line 3072, in contourf
    np.logical_or(outsidemask,np.logical_or(ma.getmaskarray(data),xymask))
AttributeError: logical_or


from the below code:


onefile=r"E:/test_in/r19000117.txt"

f=N.genfromtxt(onefile, skip_header=6,  dtype=float, names=True)
print f


map = Basemap(projection='merc',llcrnrlat=-45,urcrnrlat=-9,
              llcrnrlon=111.975,urcrnrlon=156.525,lat_ts=0,resolution='i')
map.drawcoastlines()
map.drawstates()
xi=N.linspace(111.975, 156.275, 886)
yi=N.linspace(-44.525, -9.975, 691)
x,y=map(*N.meshgrid(xi,yi))
plt.title('rainfall')
CS = map.contourf(x,y, f, 15,cmap=plt.cm.jet)
l,b,w,h =0.1,0.1,0.8,0.8
cax = plt.axes([l+w+0.025, b, 0.025, h])
plt.colorbar(CS,cax=cax, drawedges=True)
plt.savefig((os.path.join(OutputFolder, 'rainfall.png')))
plt.show()
plt.close()



How did you install numpy?  Which version are you using?  What are your imports at the top of this script?

Ben Root