SF.net SVN: matplotlib: [4623] trunk/toolkits/basemap/examples/fcstmaps.py

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

Revision: 4623
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4623&view=rev
Author:   jswhit
Date:     2007-12-05 09:25:34 -0800 (Wed, 05 Dec 2007)

Log Message:
-----------
simplify time/date handling

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

Modified: trunk/toolkits/basemap/examples/fcstmaps.py
===================================================================
--- trunk/toolkits/basemap/examples/fcstmaps.py	2007-12-05 17:11:28 UTC (rev 4622)
+++ trunk/toolkits/basemap/examples/fcstmaps.py	2007-12-05 17:25:34 UTC (rev 4623)
@@ -37,14 +37,15 @@
 fcsttimes = data.variables['time']
 times = fcsttimes[0:6] # first 6 forecast times.
 ntimes = len(times)
-# put forecast times in YYYYMMDDHH format.
-verifdates = []
-fcsthrs=[]
-for time in times:
-    print time, times[0]
-    fcsthrs.append(int((time-times[0])*24))
-    fdate = num2date(time,fcsttimes.units)
-    verifdates.append(fdate.strftime('%Y%m%d%H'))
+# convert times for datetime instances.
+fdates = num2date(times,fcsttimes.units)
+# make a list of YYYYMMDDHH strings.
+verifdates = [fdate.strftime('%Y%m%d%H') for fdate in fdates]
+# convert times to forecast hours.
+fcsthrs = []
+for fdate in fdates:
+    fdiff = fdate-fdates[0]
+    fcsthrs.append(fdiff.days*24. + fdiff.seconds/3600.)
 print fcsthrs
 print verifdates
 lats = latitudes[:]
@@ -79,7 +80,7 @@
     m.drawparallels(numpy.arange(-80,81,20))
     m.drawmeridians(numpy.arange(0,360,20))
     # panel title
-    title(repr(fcsthr)+'-h forecast valid '+verifdates[nt],fontsize=9)
+    title('%d-h forecast valid '%fcsthr+verifdates[nt],fontsize=9)
 # figure title
 figtext(0.5,0.95,u"2-m temp (\N{DEGREE SIGN}C) forecasts from %s"%verifdates[0],
         horizontalalignment='center',fontsize=14)


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