[GRASS-SVN] r67793 - grass/branches/releasebranch_7_0/temporal/t.vect.observe.strds

svn_grass at osgeo.org svn_grass at osgeo.org
Tue Feb 9 09:21:24 PST 2016

Author: neteler
Date: 2016-02-09 09:21:24 -0800 (Tue, 09 Feb 2016)
New Revision: 67793

t.vect.observe.strds manual: demystify 'where' clause usage

Modified: grass/branches/releasebranch_7_0/temporal/t.vect.observe.strds/t.vect.observe.strds.html
--- grass/branches/releasebranch_7_0/temporal/t.vect.observe.strds/t.vect.observe.strds.html	2016-02-09 16:51:49 UTC (rev 67792)
+++ grass/branches/releasebranch_7_0/temporal/t.vect.observe.strds/t.vect.observe.strds.html	2016-02-09 17:21:24 UTC (rev 67793)
@@ -9,8 +9,10 @@
 be sampled over time at the vector point positions. The space time 
 raster dataset will be sampled over its whole temporal extent (from 
 start to end). The range can be adjusted using the temporal where 
-condition <em>t_where</em>. A column name must be specified for each 
-input space time raster dataset.
+condition <em>t_where</em>. The temporal "where" will only work as 
+expected when just one STRDS is to be sampled. If more than one STRDS 
+are to be observed, a column name must be specified for each input space
+time raster dataset.
 As results  a new space time vector dataset is generated that contains 
 a single (new) vector map that links to as many time stamped attribute 

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