SF.net SVN: matplotlib: [4993] trunk/toolkits/basemap/examples/ortho_demo. py

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

Revision: 4993
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4993&view=rev
Author:   jswhit
Date:     2008-03-04 14:11:10 -0800 (Tue, 04 Mar 2008)

Log Message:
-----------
add a map scale.

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

Modified: trunk/toolkits/basemap/examples/ortho_demo.py
===================================================================
--- trunk/toolkits/basemap/examples/ortho_demo.py	2008-03-04 21:59:45 UTC (rev 4992)
+++ trunk/toolkits/basemap/examples/ortho_demo.py	2008-03-04 22:11:10 UTC (rev 4993)
@@ -29,5 +29,11 @@
 m.drawparallels(arange(-90.,120.,30.))
 m.drawmeridians(arange(0.,420.,60.))
 m.drawmapboundary(fill_color='aqua')
+# add a map scale.
+length = 5000 
+x1,y1 = 0.2*m.xmax, 0.2*m.ymax
+lon1,lat1 = m(x1,y1,inverse=True)
+m.drawmapscale(lon1,lat1,lon_0,lat_0,length,fontsize=8,barstyle='fancy',\
+               labelstyle='fancy',units='km')
 title('Orthographic Map Centered on Lon=%s, Lat=%s' % (lon_0,lat_0))
 show()


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