Hi JC,

That's actually very helpful to know you're using Zeus.  With Zeus, the Gas_Energy field will not exist.  There should only be the ThermalEnergy field.  An issue that keeps popping up is that some Enzo simulations use Total_Energy instead of TotalEnergy, or the other way around.  The definition of ThermalEnergy calls for using TotalEnergy when the simulation used Zeus.  Can you try accessing the TotalEnergy field, explicitly without the underscore in the name?

Britton

On Mon, Jun 27, 2011 at 6:35 PM, Jean-Claude Passy <jcpassy@gmail.com> wrote:
Hi Britton,

'Total_Energy' works fine but 'Gas_Energy' and 'ThermalEnergy' do not and lead to the same error.
I don't know if it can be of any use but I am running with the Zeus solver.

Thanks,

JC


On 27/06/11 12:23, Britton Smith wrote:
Hi JC,

It looks like the problem is coming up when the Pressure field asks for the ThermalEnergy field.  If you try region['ThermalEnergy'], does that work?  If not, please also try region['TotalEnergy'] and region['GasEnergy'].

Britton

On Mon, Jun 27, 2011 at 6:19 PM, Jean-Claude Passy <jcpassy@gmail.com> wrote:
Hi all,

I must be doing something silly because I get a weird error when trying to access the 'Pressure' field of a region:

---------------------------------
TypeError: unsupported operand type(s) for *=: 'NoneType' and 'float'
---------------------------------

It works fine with 'Density', 'x-velocity', 'x', ... I have pasted the complete output error here http://paste.enzotools.org/show/7up5l2Q3Rc8nnLZA3VKu
Has anyone ever encountered that ?

Thanks a lot,

JC


PS: I really like the new home page of the yt website. Congrats !

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