updated barnes weights with new notation and docs. added barnes example plot.

git-svn-id: http://code.forwarn.org/metpy/svn@275 150532fb-1d5b-0410-a8ab-efec50f980d4
Add a copy of scipy's constants file until it lands in a release.

git-svn-id: http://code.forwarn.org/metpy/svn@276 150532fb-1d5b-0410-a8ab-efec50f980d4
Pull from local copy of scipy constants if we can't import the one from scipy.

git-svn-id: http://code.forwarn.org/metpy/svn@277 150532fb-1d5b-0410-a8ab-efec50f980d4
Fix typo.

git-svn-id: http://code.forwarn.org/metpy/svn@278 150532fb-1d5b-0410-a8ab-efec50f980d4
Remove unused import.

git-svn-id: http://code.forwarn.org/metpy/svn@279 150532fb-1d5b-0410-a8ab-efec50f980d4
updated wavelets.py gws calculation to correctly used np.ma.

git-svn-id: http://code.forwarn.org/metpy/svn@280 150532fb-1d5b-0410-a8ab-efec50f980d4
Point at the proper location for example data.

git-svn-id: http://code.forwarn.org/metpy/svn@281 150532fb-1d5b-0410-a8ab-efec50f980d4
Add functions for calculating the horizontal convergence and the vertical vorticity.

git-svn-id: http://code.forwarn.org/metpy/svn@282 150532fb-1d5b-0410-a8ab-efec50f980d4
Add basic tests for vorticity and convergence calculation.

git-svn-id: http://code.forwarn.org/metpy/svn@283 150532fb-1d5b-0410-a8ab-efec50f980d4
Set svn:ignore

git-svn-id: http://code.forwarn.org/metpy/svn@284 150532fb-1d5b-0410-a8ab-efec50f980d4
Add Cython-based gaussian filter code.  A follow up module will import this with a clean interface.

git-svn-id: http://code.forwarn.org/metpy/svn@285 150532fb-1d5b-0410-a8ab-efec50f980d4
ctypes-based TRMM Radar Software Library wrapper, made against 1.36. User will need to edit the library path, and could use other cleanup.

git-svn-id: http://code.forwarn.org/metpy/svn@286 150532fb-1d5b-0410-a8ab-efec50f980d4
Added modules to deal with wdssii sweepfile directories, and ability to read said sweepfiles into RSL radar volumes

git-svn-id: http://code.forwarn.org/metpy/svn@287 150532fb-1d5b-0410-a8ab-efec50f980d4
Update gaussian filter to use x as the first dimension, y as the second.

git-svn-id: http://code.forwarn.org/metpy/svn@288 150532fb-1d5b-0410-a8ab-efec50f980d4
Remove testing code.

git-svn-id: http://code.forwarn.org/metpy/svn@289 150532fb-1d5b-0410-a8ab-efec50f980d4
Add python gaussian smoother and a wrapper for the C code.  The function will decide at import time whether to use the C version.

git-svn-id: http://code.forwarn.org/metpy/svn@290 150532fb-1d5b-0410-a8ab-efec50f980d4
Move gaussian filter into oban, with the other related functions.

git-svn-id: http://code.forwarn.org/metpy/svn@291 150532fb-1d5b-0410-a8ab-efec50f980d4
Add example using the gaussian smoother/filter.

git-svn-id: http://code.forwarn.org/metpy/svn@292 150532fb-1d5b-0410-a8ab-efec50f980d4
Add example comparing difference oban methods.

git-svn-id: http://code.forwarn.org/metpy/svn@293 150532fb-1d5b-0410-a8ab-efec50f980d4
Update so it works.

git-svn-id: http://code.forwarn.org/metpy/svn@294 150532fb-1d5b-0410-a8ab-efec50f980d4