[GRASS-SVN] r44965 - grass/trunk/scripts/v.db.univar

[svn_grass at osgeo.org]

Author: mmetz
Date: 2011-01-11 10:35:47 -0800 (Tue, 11 Jan 2011)
New Revision: 44965

Modified:
   grass/trunk/scripts/v.db.univar/v.db.univar.py
Log:
fix for special cases

Modified: grass/trunk/scripts/v.db.univar/v.db.univar.py
===================================================================
--- grass/trunk/scripts/v.db.univar/v.db.univar.py	2011-01-11 18:34:06 UTC (rev 44964)
+++ grass/trunk/scripts/v.db.univar/v.db.univar.py	2011-01-11 18:35:47 UTC (rev 44965)
@@ -158,6 +158,8 @@
 
     tmpf = file(tmp)
     for line in tmpf:
+	if len(line.rstrip('\r\n')) == 0:
+	    continue
         x = float(line.rstrip('\r\n'))
         N += 1
         sum += x
@@ -207,14 +209,22 @@
     eostr = ['even','odd'][odd]
 
     q25pos = round(N * 0.25)
+    if q25pos == 0:
+	q25pos = 1
     q50apos = round(N * 0.50)
+    if q50apos == 0:
+	q50apos = 1
     q50bpos = q50apos + (1 - odd)
     q75pos = round(N * 0.75)
+    if q75pos == 0:
+	q75pos = 1
 
     ppos = {}
     pval = {}
     for i in range(len(perc)):
         ppos[i] = round(N * perc[i] / 100)
+	if ppos[i] == 0:
+	    ppos[i] = 1
         pval[i] = 0
 
     inf = file(tmp + ".sort")