Revision: 6126
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6126&view=rev
Author: jswhit
Date: 2008-09-28 00:34:36 +0000 (Sun, 28 Sep 2008)
Log Message:
-----------
added robinson and cyl tests
Modified Paths:
--------------
trunk/toolkits/basemap/examples/warpimage.py
Modified: trunk/toolkits/basemap/examples/warpimage.py
===================================================================
--- trunk/toolkits/basemap/examples/warpimage.py 2008-09-27 20:33:21 UTC
(rev 6125)
+++ trunk/toolkits/basemap/examples/warpimage.py 2008-09-28 00:34:36 UTC
(rev 6126)
@@ -20,9 +20,18 @@
plt.title("Lights at Night image warped from 'cyl' to 'ortho'
projection",fontsize=12)
print 'warp to orthographic map ...'
-# redisplay (same image specified) should be fast since data is cached.
-fig = plt.figure()
-m.warpimage(image='earth_lights_lrg.jpg')
+# create new figure
+fig=plt.figure()
+# define orthographic projection centered on North America.
+m = Basemap(projection='robin',lon_0=-100,resolution='l')
+m.bluemarble()
+# draw coastlines.
+m.drawcoastlines(linewidth=0.5,color='0.5')
+# draw lat/lon grid lines every 30 degrees.
+m.drawmeridians(np.arange(0,360,60),color='0.5')
+m.drawparallels(np.arange(-90,90,30),color='0.5')
+plt.title("Blue Marble image warped from 'cyl' to 'robinso'
projection",fontsize=12)
+print 'warp to robinson map ...'
# create new figure
fig=plt.figure()
@@ -36,10 +45,24 @@
m.drawmeridians(np.arange(-180,180,60),labels=[0,0,0,1],color='0.5')
m.drawparallels(np.arange(-90,90,30),labels=[1,0,0,0],color='0.5')
plt.title("Blue Marble image - native 'cyl' projection",fontsize=12)
-print 'plot cylindrical map (no warping needed) ...'
+print 'plot native cylindrical map (no warping needed) ...'
# create new figure
fig=plt.figure()
+# define cylindrical equidistant projection.
+m =
Basemap(projection='cyl',llcrnrlon=0,llcrnrlat=-60,urcrnrlon=360,urcrnrlat=60,resolution='l')
+# plot (unwarped) rgba image.
+im = m.bluemarble()
+# draw coastlines.
+m.drawcoastlines(linewidth=0.5,color='0.5')
+# draw lat/lon grid lines.
+m.drawmeridians(np.arange(-180,180,60),labels=[0,0,0,1],color='0.5')
+m.drawparallels(np.arange(-90,90,30),labels=[1,0,0,0],color='0.5')
+plt.title("Blue Marble image - non-native 'cyl' projection",fontsize=12)
+print 'plot non-native cylindrical map (warping needed) ...'
+
+# create new figure
+fig=plt.figure()
# define orthographic projection centered on Europe.
m = Basemap(projection='ortho',lat_0=40,lon_0=40,resolution='l')
# plot a gray-scale image specified from a URL.
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