[GRASSweb-list]markus: web/grass51 examples.html,1.1,1.2 index.html,1.33,1.34
grass at intevation.de
grass at intevation.de
Wed Oct 30 11:55:37 EST 2002
Author: markus
Update of /grassrepository/web/grass51
In directory doto:/tmp/cvs-serv26473
Modified Files:
examples.html index.html
Log Message:
a bit more on 5.1 examples
Index: examples.html
===================================================================
RCS file: /grassrepository/web/grass51/examples.html,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- examples.html 30 Oct 2002 16:33:33 -0000 1.1
+++ examples.html 30 Oct 2002 16:55:34 -0000 1.2
@@ -14,6 +14,10 @@
contains only a few modules) nor it is intended to productional usage.
Development releases are provided for people who want to help test, debug,
and improve GRASS 5.1. Knowing this, please read on.
+<p>
+
+<i><b>Disclaimer:</b> These examples may work or not. You are kindly invited to send us
+further examples and/or code bugfixes/enhancements.<i>
<h2>Following modules are available at time of this writing</h2>
(see timestamp at bottom)
@@ -64,7 +68,11 @@
v.info markveggy.shp
#look at the map:
+ d.mon x0
d.vect markveggy.shp
+
+#query map:
+ d.what.vect
</pre>
@@ -74,7 +82,55 @@
v.extract markveggy.shp output=markveggy.1 where="VEGTYPE = PS"
</pre>
+
+<h2>Example 3: Export data using OGR</h2>
+
+SHAPE format (generates /tmp/testogr.shp and related files):
+<pre>
+v.out.ogr input=multi typ=line dsn=/tmp layer=testogr
+</pre>
+<p>
+
+GML format (generates /tmp/testogr..gml file with layer 'testogr'):
+<pre>
+v.out.ogr input=multi typ=line dsn=/tmp/testogr.gml layer=testogr format=GML
+</pre>
+
+
+<h2>Example 4: Conversion of SHAPE map to GRASS 5.1 vector map</h2>
+
+<pre>
+v.out.ascii markveggy.shp out=test1
+v.in.ascii test1 out=newmap
+v.info newmap
+
+#we connect this map to the old DBF file:
+db.connect database=/ssi0/ssi/neteler/grassdata/botswanaLL/shp
+db.describe table=markveggy
+
+#we have to add an entry to the DB file:
+cd `g.gisenv GISDBASE`
+cd `g.gisenv LOCATION_NAME`
+cd `g.gisenv MAPSET`
+
+#if DB file not present, create it. Otherwise add the line:
+newmap 1 markveggy VEGCNP_ID /ssi0/ssi/neteler/grassdata/botswanaLL/PERMANENT/shp dbf
+
+#... which links map 'newmap' with field 1 to table 'markveggy' with CAT_COLUMN
+#'VEGCNP_ID' with the DBF file in directory '/ssi0/ssi...' using the 'dbf' driver
+#(yes, we need an DB file editor - do you write it for us?)
+
+#verify some settings:
+g.gisenv
+
+#query
+d.erase
+d.vect newmap
+d.what.vect newmap
+</pre>
+
<!-- FOOTER -->
+<p>
<hr>
<DIV ALIGN=right>© 2002 GRASS Development Team<br>
<a href="mailto:weblist at grass.itc.it">Comments</a> about this page | Back <a href=index.html>5.1 HOME</a><br>
Index: index.html
===================================================================
RCS file: /grassrepository/web/grass51/index.html,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -d -r1.33 -r1.34
--- index.html 30 Oct 2002 11:14:17 -0000 1.33
+++ index.html 30 Oct 2002 16:55:34 -0000 1.34
@@ -126,6 +126,11 @@
href=http://www.ing.unitn.it/~grass/>GRASS users conference 2002</a>)
<li><a href="http://mpa.itc.it/markus/grass51/index.html">GRASS 5.1 Draft
Programmer's Manual</a>
+<li>
+<font face="Arial, Helvetica">Manuals (to be written)</font></li>
+<li>
+<font face="Arial, Helvetica"><a href=examples.html>Draft GRASS 5.1 sample session</a> with examples</font></li>
+
</ul>
</font>
@@ -159,8 +164,6 @@
<br><font face="Arial, Helvetica">The latter is the experimental GRASS
5.0 code which is needed (this code is partly linked into GRASS 5.1)</font></ul>
-<li>
-<font face="Arial, Helvetica">Manuals (to be written)</font></li>
<li>
<font face="Arial, Helvetica">Sample GRASS data with 3D vectors: <a href="http://mpa.itc.it/radim/g51/">Sample 3D LOCATION + screenshots</a></font></li>
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