[GRASS-CVS] markus: grass6/raster/r.gwflow r_gwflow_concept.png, NONE, 1.1 description.html, 1.8, 1.9

[grass at intevation.de]

Author: markus

Update of /grassrepository/grass6/raster/r.gwflow
In directory doto:/tmp/cvs-serv31342

Modified Files:
	description.html 
Added Files:
	r_gwflow_concept.png 
Log Message:
Soeren Gebbert: added concept img

--- NEW FILE: r_gwflow_concept.png ---
(This appears to be a binary file; contents omitted.)

Index: description.html
===================================================================
RCS file: /grassrepository/grass6/raster/r.gwflow/description.html,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- description.html	3 Jul 2007 12:03:42 -0000	1.8
+++ description.html	26 Nov 2007 15:22:41 -0000	1.9
@@ -2,14 +2,24 @@
 This numerical program calculates transient, confined and
 unconfined groundwater flow in two dimensions based on  
 raster maps and the current region resolution.
-All initial- and boundary-conditions must be provided as 
+All initial and boundary conditions must be provided as 
 raster maps.
-<br>
-<br>
-r.gwflow calculates the piezometric head and optionally the 
+
+<p>
+<center>
+<img src=r_gwflow_concept.png border=0><BR>
+<table border=0 width=700>
+<tr><td><center>
+<i>Workflow of r.gwflow</i>
+</center></td></tr>
+</table>
+</center>
+<p>
+
+<em>r.gwflow</em> calculates the piezometric head and optionally the 
 filter velocity field, based on the hydraulic conductivity and the piezometric head. 
 The vector components can be visualized with paraview if they are exported
-with r.out.vtk.
+with <em>r.out.vtk</em>.
 <br>
 <br>
 The groundwater flow will always be calculated transient. 
@@ -56,7 +66,7 @@
 The conjugate gradients (cg) method and the biconjugate gradients-stabilized (bicgstab) method. 
 Aditionally a direct Gauss solver and LU solver are available. Those direct solvers
 only work with normal quadratic matrices, so be careful using them with large maps 
-(maps of size 10.000 cells will need more than one gigabyte of ram).
+(maps of size 10.000 cells will need more than one gigabyte of RAM).
 Always prefer a sparse matrix solver.
 
 <H2>EXAMPLE</H2>
@@ -97,8 +107,6 @@
 #now load the data into paraview
 paraview --data=/tmp/gwdata_conf2d.vtk &
 paraview --data=/tmp/gwdata_unconf2d.vtk &
-
-
 </pre></div>
 
 <H2>SEE ALSO</H2>