[GRASS-CVS] markus: grass6/vector/v.vol.rst README,2.0,2.1

[grass at intevation.de]

Author: markus

Update of /grassrepository/grass6/vector/v.vol.rst
In directory doto:/tmp/cvs-serv20823/v.vol.rst

Modified Files:
	README 
Log Message:
started to demystify dnorm (based on Helena's comments)

Index: README
===================================================================
RCS file: /grassrepository/grass6/vector/v.vol.rst/README,v
retrieving revision 2.0
retrieving revision 2.1
diff -u -d -r2.0 -r2.1
--- README	9 Nov 2004 13:10:35 -0000	2.0
+++ README	18 Nov 2007 18:00:04 -0000	2.1
@@ -1,11 +1,23 @@
+dnorm: in the 3D version we normalize
+based on the overlapping window rather than segment
+(essentially based on npmin rather than segmax)
 
-copied from Mark 15.may.1996,
-just a beta version, not fully tested
+Reason: the overlapping window can be large and then the
+normalization based on the segment size was not sufficient.
+But that means that the segments are smaller than dnorm.
+
+#######################################################
+HISTORY:
+
+02/03/03 (jh) - added deviation site file to the output
 
 03/11/00 (jh) - re-written I/O operations, several bug fixes
 including 3D topo parameters, and 2nd RST derivatives
 
-12/07/00 (MN) - added field selection parameter for sites lists  
+12/07/00 (MN) - added field selection parameter for sites lists
                 (allows to select column in site_lists)
 
-02/03/03 (jh) - added deviation site file to the output
+copied from Mark 15.may.1996,
+just a beta version, not fully tested
+
+