FiPy only keeps one old time step in memory at a time and only if you have the hasOld=True flag set on the variable. The only way I know to do what you want is to create a set of files named by the time step where each one contains one set of formatted data.
On Fri, Nov 14, 2014, 2:05 AM Kyle Briton Lawlor <klawlor...@gmail.com> wrote: > Hi all, > > I have been slamming my head on the wall trying to figure out how to > access the data from each time step in the 2D-diffusion example. > > I’ve tried defining an array: > phis=[] > > Then solving with: > for step in range(steps): > eq.solve(var=phi,dt=timeStepDuration) > phis.append(phi) > > The result of this though is just an array full of the final solution. I > tried putting the append before solving, in the loop, but there is no > difference. However, when I use "print phi” where the append function is, > it prints out the distinct solutions for each time-step. I would ideally > like to write out one tsv-file with all the data, to visualize elsewhere. > > Any help will be greatly appreciated! > Still, looking for more clues in my first email. > > Thanks, > Kyle > > > On Nov 13, 2014, at 10:08 PM, Kyle Briton Lawlor <klawlor...@gmail.com> > wrote: > > Thanks for the response. > > I am using MacPorts. > How do I install that package? I can’t find it by itself on MacPorts. > > Kyle. > > On Nov 13, 2014, at 9:37 PM, L.Bryce Whitson Jr. <lwhits...@gmail.com> > wrote: > > Kyle, > > It looks like you are missing the installation of the tvtk package that > FiPy utilizes. Are you using the Enthought Python distribution or MacPorts? > Either way, you should be able to find that package and install it. Once > that is done, I think everything will work. This is just my initial > thoughts though. > > - - - - - - - - - - - - - - - - - > L.Bryce Whitson Jr. > lwhits...@gmail.com > > On Thu, Nov 13, 2014 at 8:30 PM, Kyle Briton Lawlor <klawlor...@gmail.com> > wrote: > >> Hi all, >> >> I am a graduate student beginning to work with FiPy. I am running into >> some issues with getting the program and its dependencies configured >> properly. I am not sure if this is the right place to ask these types of >> questions, let me know if there is somewhere else I could go to find >> answers. So I will keep things short and I admit I am relatively new to >> programming, so I have probably done some silly things here. >> >> I am using a Mac OS X 10.9.5. I have installed FiPy via MacPorts >> (py27-fipy). >> When I run test I get the following output: >> “Ran 352 tests in 28.032s … Failed (failures=8)… Skipped 83 dockets >> examples because ‘tvtk’ package cannot be imported” >> >> I worked through the 1D-Diffusion example. I had no troubles compiling >> anything there (including the Viewer()). >> >> So I am now trying to work through the 2D-Diffusion in a square. >> When it comes to viewing I am getting the following error: >> "Import Error: Failed to import a viewer: [“matplotlib: ufunc ‘isfinite’ >> not supported for the input types, and the inputs could not be safely >> coerced to any supported types according to the casting rule ‘’safe’’, >> ‘gist: __call__() takes at least 2 arguments (1 given)’,’gnu plot: >> __call__() takes at least 2 arguments(1 given)’, ‘mayavi: No module named >> enthought.tvtk.api’]” >> >> My line of code for the viewing segment is: >> if __name__=='__main__': >> viewer=Viewer(vars=phi,datamin=0.,datamax=1.) >> viewer.plot() >> (resulting in the above error.) >> >> I am sure there is at least one dumb thing I am doing here. Any pointers >> or help will be much appreciated. I hope there is a simple solution. I can >> explain more of what I tried to do to fix this, but I’ll wait to hear back. >> >> Thanks, >> Kyle >> _______________________________________________ >> fipy mailing list >> fipy@nist.gov >> http://www.ctcms.nist.gov/fipy >> [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] >> > > _______________________________________________ > fipy mailing list > fipy@nist.gov > http://www.ctcms.nist.gov/fipy > [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] > > > > _______________________________________________ > fipy mailing list > fipy@nist.gov > http://www.ctcms.nist.gov/fipy > [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] >
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