SF.net SVN: matplotlib: [5166] trunk/toolkits/basemap/examples

[<js...@us...>]

Revision: 5166
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5166&view=rev
Author:   jswhit
Date:     2008-05-17 04:52:15 -0700 (Sat, 17 May 2008)

Log Message:
-----------
convert to pyplot/numpy namespace

Modified Paths:
--------------
    trunk/toolkits/basemap/examples/plotmap.py
    trunk/toolkits/basemap/examples/plotmap_masked.py
    trunk/toolkits/basemap/examples/plotmap_oo.py

Modified: trunk/toolkits/basemap/examples/plotmap.py
===================================================================
--- trunk/toolkits/basemap/examples/plotmap.py	2008-05-16 22:47:00 UTC (rev 5165)
+++ trunk/toolkits/basemap/examples/plotmap.py	2008-05-17 11:52:15 UTC (rev 5166)
@@ -5,14 +5,15 @@
 # the data is interpolated to the native projection grid.
 
 from mpl_toolkits.basemap import Basemap, shiftgrid
-from pylab import title, colorbar, show, axes, cm, load, arange, figure, \
-                  text
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.mlab as mlab
 
 # read in topo data (on a regular lat/lon grid)
 # longitudes go from 20 to 380.
-topoin = load('etopo20data.gz')
-lons = load('etopo20lons.gz')
-lats = load('etopo20lats.gz')
+topoin = mlab.load('etopo20data.gz')
+lons = mlab.load('etopo20lons.gz')
+lats = mlab.load('etopo20lats.gz')
 # shift data so lons go from -180 to 180 instead of 20 to 380.
 topoin,lons = shiftgrid(180.,topoin,lons,start=False)
 
@@ -26,31 +27,32 @@
 nx = int((m.xmax-m.xmin)/40000.)+1; ny = int((m.ymax-m.ymin)/40000.)+1
 topodat,x,y = m.transform_scalar(topoin,lons,lats,nx,ny,returnxy=True)
 # create the figure.
-fig=figure(figsize=(8,8))
+fig=plt.figure(figsize=(8,8))
 # add an axes, leaving room for colorbar on the right.
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # plot image over map with imshow.
-im = m.imshow(topodat,cm.jet)
+im = m.imshow(topodat,plt.cm.jet)
 # setup colorbar axes instance.
 pos = ax.get_position()
 l, b, w, h = pos.bounds
-cax = axes([l+w+0.075, b, 0.05, h])
-colorbar(cax=cax) # draw colorbar
-axes(ax)  # make the original axes current again
+cax = plt.axes([l+w+0.075, b, 0.05, h])
+plt.colorbar(cax=cax) # draw colorbar
+plt.axes(ax)  # make the original axes current again
 # plot blue dot on boulder, colorado and label it as such.
 xpt,ypt = m(-104.237,40.125) 
 m.plot([xpt],[ypt],'bo') 
-text(xpt+100000,ypt+100000,'Boulder')
+plt.text(xpt+100000,ypt+100000,'Boulder')
 # draw coastlines and political boundaries.
 m.drawcoastlines()
 m.drawcountries()
 m.drawstates()
 # draw parallels and meridians.
 # label on left, right and bottom of map.
-parallels = arange(0.,80,20.)
+parallels = np.arange(0.,80,20.)
 m.drawparallels(parallels,labels=[1,1,0,1])
-meridians = arange(10.,360.,30.)
+meridians = np.arange(10.,360.,30.)
 m.drawmeridians(meridians,labels=[1,1,0,1])
 # set title.
-title('ETOPO Topography - Lambert Conformal Conic')
-show()
+plt.title('ETOPO Topography - Lambert Conformal Conic')
+#plt.savefig('plotmap.pdf')
+plt.show()

Modified: trunk/toolkits/basemap/examples/plotmap_masked.py
===================================================================
--- trunk/toolkits/basemap/examples/plotmap_masked.py	2008-05-16 22:47:00 UTC (rev 5165)
+++ trunk/toolkits/basemap/examples/plotmap_masked.py	2008-05-17 11:52:15 UTC (rev 5166)
@@ -6,16 +6,17 @@
 # (in this case the oceans)
 
 from mpl_toolkits.basemap import Basemap, shiftgrid
-from pylab import title, colorbar, show, axes, cm, load, arange, figure, \
-                  text, where
 from numpy import ma
+import numpy as np
+import matplotlib.pyplot as plt
+import matplotlib.mlab as mlab
 import matplotlib.colors as colors
 
 # read in topo data (on a regular lat/lon grid)
 # longitudes go from 20 to 380.
-topoin = load('etopo20data.gz')
-lonsin = load('etopo20lons.gz')
-latsin = load('etopo20lats.gz')
+topoin = mlab.load('etopo20data.gz')
+lonsin = mlab.load('etopo20lons.gz')
+latsin = mlab.load('etopo20lats.gz')
 # shift data so lons go from -180 to 180 instead of 20 to 380.
 topoin,lonsin = shiftgrid(180.,topoin,lonsin,start=False)
 
@@ -29,36 +30,36 @@
 nx = int((m.xmax-m.xmin)/40000.)+1; ny = int((m.ymax-m.ymin)/40000.)+1
 topodat,x,y = m.transform_scalar(topoin,lonsin,latsin,nx,ny,returnxy=True)
 # create the figure.
-fig=figure(figsize=(8,8))
+fig=plt.figure(figsize=(8,8))
 # add an axes, leaving room for colorbar on the right.
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make topodat a masked array, masking values lower than sea level.
-topodat = where(topodat < 0.,1.e10,topodat)
+topodat = np.where(topodat < 0.,1.e10,topodat)
 topodatm = ma.masked_values(topodat, 1.e10)
-palette = cm.YlOrRd
+palette = plt.cm.YlOrRd
 palette.set_bad('aqua', 1.0)
 # plot image over map with imshow.
 im = m.imshow(topodatm,palette,norm=colors.normalize(vmin=0.0,vmax=3000.0,clip=False))
 # setup colorbar axes instance.
 pos = ax.get_position()
 l, b, w, h = pos.bounds
-cax = axes([l+w+0.075, b, 0.05, h])
-colorbar(cax=cax) # draw colorbar
-axes(ax)  # make the original axes current again
+cax = plt.axes([l+w+0.075, b, 0.05, h])
+plt.colorbar(cax=cax) # draw colorbar
+plt.axes(ax)  # make the original axes current again
 # plot blue dot on boulder, colorado and label it as such.
 xpt,ypt = m(-104.237,40.125) 
 m.plot([xpt],[ypt],'bo') 
-text(xpt+100000,ypt+100000,'Boulder')
+plt.text(xpt+100000,ypt+100000,'Boulder')
 # draw coastlines and political boundaries.
 m.drawcoastlines()
 m.drawcountries()
 m.drawstates()
 # draw parallels and meridians.
 # label on left, right and bottom of map.
-parallels = arange(0.,80,20.)
+parallels = np.arange(0.,80,20.)
 m.drawparallels(parallels,labels=[1,1,0,1])
-meridians = arange(10.,360.,30.)
+meridians = np.arange(10.,360.,30.)
 m.drawmeridians(meridians,labels=[1,1,0,1])
 # set title.
-title('Masked ETOPO Topography - via imshow')
-show()
+plt.title('Masked ETOPO Topography - via imshow')
+plt.show()

Modified: trunk/toolkits/basemap/examples/plotmap_oo.py
===================================================================
--- trunk/toolkits/basemap/examples/plotmap_oo.py	2008-05-16 22:47:00 UTC (rev 5165)
+++ trunk/toolkits/basemap/examples/plotmap_oo.py	2008-05-17 11:52:15 UTC (rev 5166)
@@ -5,7 +5,7 @@
 # the data is interpolated to the native projection grid.
 
 ##################################
-# pylab-free version of plotmap.py
+# pyplot/pylab-free version of plotmap.py
 ##################################
 # set backend to Agg.
 import matplotlib


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