Revision: 5169
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5169&view=rev
Author: jswhit
Date: 2008-05-17 06:33:42 -0700 (Sat, 17 May 2008)
Log Message:
-----------
convert to pyplot/numpy namespace
Modified Paths:
--------------
trunk/toolkits/basemap/examples/warpimage.py
Modified: trunk/toolkits/basemap/examples/warpimage.py
===================================================================
--- trunk/toolkits/basemap/examples/warpimage.py 2008-05-17 12:22:09 UTC
(rev 5168)
+++ trunk/toolkits/basemap/examples/warpimage.py 2008-05-17 13:33:42 UTC
(rev 5169)
@@ -1,13 +1,13 @@
-import pylab as P
-import numpy
from mpl_toolkits.basemap import Basemap
+import numpy as np
+import matplotlib.pyplot as plt
# illustrate use of warpimage method to display an image background
# on the map projection region. Default background is the 'blue
# marble' image from NASA (http://visibleearth.nasa.gov).
# create new figure
-fig=P.figure()
+fig=plt.figure()
# define orthographic projection centered on North America.
m = Basemap(projection='ortho',lat_0=40,lon_0=-100,resolution='l')
# display a non-default image.
@@ -15,17 +15,17 @@
# draw coastlines.
m.drawcoastlines(linewidth=0.5,color='0.5')
# draw lat/lon grid lines every 30 degrees.
-m.drawmeridians(numpy.arange(0,360,30),color='0.5')
-m.drawparallels(numpy.arange(-90,90,30),color='0.5')
-P.title("Lights at Night image warped from 'cyl' to 'ortho'
projection",fontsize=12)
+m.drawmeridians(np.arange(0,360,30),color='0.5')
+m.drawparallels(np.arange(-90,90,30),color='0.5')
+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 = P.figure()
+fig = plt.figure()
m.warpimage(image='earth_lights_lrg.jpg')
# create new figure
-fig=P.figure()
+fig=plt.figure()
# define cylindrical equidistant projection.
m =
Basemap(projection='cyl',llcrnrlon=-180,llcrnrlat=-90,urcrnrlon=180,urcrnrlat=90,resolution='l')
# plot (unwarped) rgba image.
@@ -33,13 +33,13 @@
# draw coastlines.
m.drawcoastlines(linewidth=0.5,color='0.5')
# draw lat/lon grid lines.
-m.drawmeridians(numpy.arange(-180,180,60),labels=[0,0,0,1],color='0.5')
-m.drawparallels(numpy.arange(-90,90,30),labels=[1,0,0,0],color='0.5')
-P.title("Blue Marble image - native 'cyl' projection",fontsize=12)
+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) ...'
# create new figure
-fig=P.figure()
+fig=plt.figure()
# define orthographic projection centered on Europe.
m = Basemap(projection='ortho',lat_0=40,lon_0=40,resolution='l')
# plot warped rgba image.
@@ -47,13 +47,13 @@
# draw coastlines.
m.drawcoastlines(linewidth=0.5,color='0.5')
# draw lat/lon grid lines every 30 degrees.
-m.drawmeridians(numpy.arange(0,360,30),color='0.5')
-m.drawparallels(numpy.arange(-90,90,30),color='0.5')
-P.title("Blue Marble image warped from 'cyl' to 'ortho'
projection",fontsize=12)
+m.drawmeridians(np.arange(0,360,30),color='0.5')
+m.drawparallels(np.arange(-90,90,30),color='0.5')
+plt.title("Blue Marble image warped from 'cyl' to 'ortho'
projection",fontsize=12)
print 'warp to orthographic map ...'
# create new figure
-fig=P.figure()
+fig=plt.figure()
# define Lambert Conformal basemap for North America.
m = Basemap(llcrnrlon=-145.5,llcrnrlat=1.,urcrnrlon=-2.566,urcrnrlat=46.352,\
rsphere=(6378137.00,6356752.3142),lat_1=50.,lon_0=-107.,\
@@ -63,15 +63,15 @@
m.drawcoastlines(linewidth=0.5,color='0.5')
# draw parallels and meridians.
# label on left, right and bottom of map.
-parallels = numpy.arange(0.,80,20.)
+parallels = np.arange(0.,80,20.)
m.drawparallels(parallels,labels=[1,1,0,1],color='0.5')
-meridians = numpy.arange(10.,360.,30.)
+meridians = np.arange(10.,360.,30.)
m.drawmeridians(meridians,labels=[1,1,0,1],color='0.5')
-P.title("Blue Marble image warped from 'cyl' to 'lcc' projection",fontsize=12)
+plt.title("Blue Marble image warped from 'cyl' to 'lcc'
projection",fontsize=12)
print 'warp to lambert conformal map ...'
# create new figure
-fig=P.figure()
+fig=plt.figure()
# define oblique mercator map.
m = Basemap(height=24000000,width=12000000,
resolution=None,projection='omerc',\
@@ -79,9 +79,9 @@
# plot warped rgba image.
im = m.bluemarble()
# draw lat/lon grid lines every 20 degrees.
-m.drawmeridians(numpy.arange(0,360,20),color='0.5')
-m.drawparallels(numpy.arange(-80,81,20),color='0.5')
-P.title("Blue Marble image warped from 'cyl' to 'omerc'
projection",fontsize=12)
+m.drawmeridians(np.arange(0,360,20),color='0.5')
+m.drawparallels(np.arange(-80,81,20),color='0.5')
+plt.title("Blue Marble image warped from 'cyl' to 'omerc'
projection",fontsize=12)
print 'warp to oblique mercator map ...'
-P.show()
+plt.show()
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