/[escript]/trunk/doc/user/firststep.tex
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revision 568 by gross, Mon Feb 27 00:04:17 2006 UTC revision 569 by gross, Tue Feb 28 05:34:37 2006 UTC
# Line 259  To get the solution of the Poisson equat Line 259  To get the solution of the Poisson equat
259  \method{getSolution}.  \method{getSolution}.
260    
261  Now we can write the script to solve our test problem (Remember that  Now we can write the script to solve our test problem (Remember that
262  lines starting with '\#' are comment lines in Python) (available as \file{mypoisson.py}  lines starting with '\#' are comment lines in Python) (available as \file{poisson.py}
263  in the \ExampleDirectory):  in the \ExampleDirectory):
264  \begin{python}  \begin{python}
265  from esys.escript import *  from esys.escript import *
266  from linearPDEs import Poisson  from esys.escript.linearPDEs import Poisson
267  from esys.finley import Rectangle  from esys.finley import Rectangle
268  # generate domain:  # generate domain:
269  mydomain = Rectangle(l0=1.,l1=1.,n0=40, n1=20)  mydomain = Rectangle(l0=1.,l1=1.,n0=40, n1=20)
# Line 291  for \VTK available, for instance \mayavi Line 291  for \VTK available, for instance \mayavi
291  \end{figure}  \end{figure}
292    
293  You can edit the script file using your favourite text editor (or the Integrated DeveLopment Environment IDLE  You can edit the script file using your favourite text editor (or the Integrated DeveLopment Environment IDLE
294  for Python, see \url{http://idlefork.sourceforge.net}). If the script file has the name \file{mypoisson.py} \index{scripts!\file{mypoisson.py}} you can run the  for Python, see \url{http://idlefork.sourceforge.net}). If the script file has the name \file{poisson.py} \index{scripts!\file{poisson.py}} you can run the
295  script from any shell using the command:  script from any shell using the command:
296  \begin{python}  \begin{python}
297  python mypoisson.py  python poisson.py
298  \end{python}  \end{python}
299  After the script has (hopefully successfully) been completed you will find the file \file{u.dx} in the current  After the script has (hopefully successfully) been completed you will find the file \file{u.xml} in the current
300  directory. An easy way to visualize the results is the command  directory. An easy way to visualize the results is the command
301  \begin{python}  \begin{python}
302  mayavi -d u.xml -m SurfaceMap &  mayavi -d u.xml -m SurfaceMap &
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