Revision: 8981
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8981&view=rev
Author: jswhit
Date: 2011-02-12 16:08:44 +0000 (Sat, 12 Feb 2011)
Log Message:
-----------
interpolate to finer grid for nicer looking plot
Modified Paths:
--------------
trunk/toolkits/basemap/examples/lic_demo.py
Modified: trunk/toolkits/basemap/examples/lic_demo.py
===================================================================
--- trunk/toolkits/basemap/examples/lic_demo.py 2011-02-12 16:01:55 UTC (rev
8980)
+++ trunk/toolkits/basemap/examples/lic_demo.py 2011-02-12 16:08:44 UTC (rev
8981)
@@ -2,7 +2,7 @@
# flow field (from Hurricane Earl). Produces something akin to streamlines.
# Requires vectorplot scikit (http://scikits.appspot.com/vectorplot).
from netCDF4 import Dataset as NetCDFFile
-from mpl_toolkits.basemap import Basemap
+from mpl_toolkits.basemap import Basemap, interp
import numpy as np
import matplotlib.pyplot as plt
try:
@@ -20,7 +20,15 @@
lons, lats = np.meshgrid(lons1,lats1)
ncfile.close()
+# downsample to finer grid.
+nlats = 2*udat.shape[0]; nlons = 2*udat.shape[1]
+lons = np.linspace(lons1[0],lons1[-1],nlons)
+lats = np.linspace(lats1[0],lats1[-1],nlats)
+lons, lats = np.meshgrid(lons, lats)
+udat = interp(udat,lons1,lats1,lons,lats,order=3)
+vdat = interp(vdat,lons1,lats1,lons,lats,order=3)
+
fig = plt.figure(figsize=(8,8))
m =
Basemap(projection='cyl',llcrnrlat=lats1[0],llcrnrlon=lons1[0],urcrnrlat=lats1[-1],urcrnrlon=lons1[-1],resolution='i')
kernellen=31
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