Merge pull request tkrajina#1 from marians/patch-1

tkrajina · tkrajina · commit 8b87ed070bdf · 2013-05-29T10:40:41.000-07:00
Some basic usage explanation would be ace
diff --git a/README.txt b/README.txt
@@ -2,3 +2,8 @@ Shuttle Radar Topography Mission elevation data python parser and utilities
 
 See: http://www2.jpl.nasa.gov/srtm/
 
+Usage:
+
+>>> import srtm
+>>> get_data = srtm.get_data()
+>>> print 'CGN Airport elevation (meters):', get_data.get_elevation(50.8682, 7.1377)
