[GRASS-SVN] r43616 - grass/branches/releasebranch_6_4/vector
svn_grass at osgeo.org
svn_grass at osgeo.org
Wed Sep 22 09:58:44 EDT 2010
Author: neteler
Date: 2010-09-22 13:58:44 +0000 (Wed, 22 Sep 2010)
New Revision: 43616
Modified:
grass/branches/releasebranch_6_4/vector/vectorintro.html
Log:
backport: docs cosmetics
Modified: grass/branches/releasebranch_6_4/vector/vectorintro.html
===================================================================
--- grass/branches/releasebranch_6_4/vector/vectorintro.html 2010-09-22 13:58:23 UTC (rev 43615)
+++ grass/branches/releasebranch_6_4/vector/vectorintro.html 2010-09-22 13:58:44 UTC (rev 43616)
@@ -10,6 +10,7 @@
<img src="grass_logo.png" alt="_\|/_ GRASS logo"><hr align=center size=6 noshade>
+<!-- meta page description: Vector data processing -->
<h2>Vector data processing in GRASS GIS</h2>
<h3>Vector maps in general</h3>
@@ -138,7 +139,7 @@
GRASS vectors can be linked to one or many database management systems
(DBMS). The <em>db.*</em> set of commands provides basic SQL support for
attribute management, while the <em>v.db.*</em> set of commands operates
-on the vector map.
+on a table linked to a vector map.
<ul>
<li><b>Categories</b><br>
@@ -149,12 +150,12 @@
<br>Category numbers are stored both within the geometry file for each
vector object and within the attribute table(s) (usually the "cat"
column). It is not required that attribute table(s) hold an entry for
-each category (although desirable), and attribute table(s) can hold
+each category, and attribute table(s) can hold
information about categories not present in the vector geometry file.
This means that e.g. an attribute table can be populated first and then
vector objects can be added to the geometry file with category numbers.
Using <a href="v.category.html">v.category</a>, category numbers can be
-printed or maintained.
+printed or maintained.
<br><br></li>
<li><b>Layers</b><br>
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