SF.net SVN: matplotlib:[7412] trunk/toolkits/basemap/examples/contour_demo. py

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

Revision: 7412
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7412&view=rev
Author:   jswhit
Date:     2009-08-07 00:38:17 +0000 (Fri, 07 Aug 2009)

Log Message:
-----------
make sure contour lines and filled contour intervals are consistent

Modified Paths:
--------------
    trunk/toolkits/basemap/examples/contour_demo.py

Modified: trunk/toolkits/basemap/examples/contour_demo.py
===================================================================
--- trunk/toolkits/basemap/examples/contour_demo.py	2009-08-06 20:27:58 UTC (rev 7411)
+++ trunk/toolkits/basemap/examples/contour_demo.py	2009-08-07 00:38:17 UTC (rev 7412)
@@ -19,13 +19,15 @@
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make a filled contour plot.
 x, y = m(lons, lats)
-CS = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
-CS = m.contourf(x,y,hgt,15,cmap=plt.cm.jet)
+# create contour lines
+CS1 = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
+# fill between contour lines.
+CS2 = m.contourf(x,y,hgt,CS1.levels,cmap=plt.cm.jet)
 # setup colorbar axes instance.
 pos = ax.get_position()
 l, b, w, h = pos.bounds
 cax = plt.axes([l+w+0.075, b, 0.05, h]) # setup colorbar axes
-plt.colorbar(drawedges=True, cax=cax) # draw colorbar
+plt.colorbar(CS2, drawedges=True, cax=cax) # draw colorbar
 plt.axes(ax)  # make the original axes current again
 # draw coastlines and political boundaries.
 m.drawcoastlines()
@@ -46,12 +48,12 @@
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make a filled contour plot.
 x, y = m(lons, lats)
-CS = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
-CS = m.contourf(x,y,hgt,15,cmap=plt.cm.jet)
+CS1 = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
+CS2 = m.contourf(x,y,hgt,CS1.levels,cmap=plt.cm.jet)
 pos = ax.get_position()
 l, b, w, h = pos.bounds
 cax = plt.axes([l+w+0.075, b, 0.05, h]) # setup colorbar axes
-plt.colorbar(drawedges=True, cax=cax) # draw colorbar
+plt.colorbar(CS2, drawedges=True, cax=cax) # draw colorbar
 plt.axes(ax)  # make the original axes current again
 # draw coastlines and political boundaries.
 m.drawcoastlines()
@@ -72,12 +74,12 @@
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make a filled contour plot.
 x, y = m(lons, lats)
-CS = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
-CS = m.contourf(x,y,hgt,15,cmap=plt.cm.jet)
+CS1 = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
+CS2 = m.contourf(x,y,hgt,CS1.levels,cmap=plt.cm.jet)
 pos = ax.get_position()
 l, b, w, h = pos.bounds
 cax = plt.axes([l+w+0.075, b, 0.05, h]) # setup colorbar axes
-plt.colorbar(drawedges=True, cax=cax) # draw colorbar
+plt.colorbar(CS2, drawedges=True, cax=cax) # draw colorbar
 plt.axes(ax)  # make the original axes current again
 # draw coastlines and political boundaries.
 m.drawcoastlines()
@@ -98,12 +100,12 @@
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make a filled contour plot.
 x, y = m(lons, lats)
-CS = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
-CS = m.contourf(x,y,hgt,15,cmap=plt.cm.jet)
+CS1 = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
+CS2 = m.contourf(x,y,hgt,CS2.levels,cmap=plt.cm.jet)
 pos = ax.get_position()
 l, b, w, h = pos.bounds
 cax = plt.axes([l+w+0.075, b, 0.05, h]) # setup colorbar axes
-plt.colorbar(drawedges=True, cax=cax) # draw colorbar
+plt.colorbar(CS2, drawedges=True, cax=cax) # draw colorbar
 plt.axes(ax)  # make the original axes current again
 # draw coastlines and political boundaries.
 m.drawcoastlines()
@@ -125,12 +127,12 @@
 ax = fig.add_axes([0.1,0.1,0.7,0.7])
 # make a filled contour plot.
 x, y = m(lons, lats)
-CS = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
-CS = m.contourf(x,y,hgt,15,cmap=plt.cm.jet)
+CS1 = m.contour(x,y,hgt,15,linewidths=0.5,colors='k')
+CS2 = m.contourf(x,y,hgt,CS2.levels,cmap=plt.cm.jet)
 pos = ax.get_position()
 l, b, w, h = pos.bounds
 cax = plt.axes([l+w+0.075, b, 0.05, h]) # setup colorbar axes
-plt.colorbar(drawedges=True, cax=cax) # draw colorbar
+plt.colorbar(CS2, drawedges=True, cax=cax) # draw colorbar
 plt.axes(ax)  # make the original axes current again
 # draw coastlines and political boundaries.
 m.drawcoastlines()
@@ -144,4 +146,3 @@
 plt.title('Orthographic Filled Contour Demo')
 print 'plotting with orthographic basemap ..'
 plt.show()
-


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