<div dir="ltr">Hi, Everybody--<div><br></div><div>Jonha, for that kind of thing I typically either use covering grids in yt, or force the refinement to be identical during run time. If you're an enzo user I can help with the latter.</div><div><br></div><div>d.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 16, 2015 at 9:57 AM, Jonah Miller <span dir="ltr"><<a href="mailto:jonah.maxwell.miller@gmail.com" target="_blank">jonah.maxwell.miller@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Matt,<br>
<br>
I see. Thanks.<br>
<br>
Best,<br>
Jonah<div class="HOEnZb"><div class="h5"><br>
<br>
On 15-06-16 09:53 AM, Matthew Turk wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi Jonah,<br>
<br>
If they're not identical in shape, you'd have to do some type of<br>
regularization stpe, which wouldn't be automated yet. But this is<br>
something I hope to make automated, although it's not on the current<br>
schedule.<br>
<br>
-Matt<br>
<br>
On Tue, Jun 16, 2015 at 8:41 AM, Jonah Miller<br>
<<a href="mailto:jonah.maxwell.miller@gmail.com" target="_blank">jonah.maxwell.miller@gmail.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi Matt, Boyan,<br>
<br>
Although I'm not currently struggling with this, I will eventually encounter<br>
a similar situation... What would one do if the grid was not uniform? Would<br>
a derived field still work if the grids were identical?<br>
<br>
Best,<br>
Jonah<br>
<br>
<br>
On 15-06-16 09:34 AM, Matthew Turk wrote:<br>
<br>
Hi Boyan,<br>
<br>
Since the grids are uniform, you can do one of a few different things.<br>
The first would be if you want to set up a derived field, you could do<br>
something like:<br>
<br>
ds1 = ...<br>
ds2 = ...<br>
<br>
@yt.derived_field(name = "my_field", validators = [yt.ValidateSpatial()])<br>
def my_field(field, data):<br>
f1 = ds1.index.grids[<a href="http://data.id" rel="noreferrer" target="_blank">data.id</a> - data._id_offset][<a href="http://field.name" rel="noreferrer" target="_blank">field.name</a>]<br>
f2 = data[<a href="http://field.name" rel="noreferrer" target="_blank">field.name</a>]<br>
return f1 - f2<br>
<br>
If you want to simply inspect, you can do<br>
ds1.index.grids[whatever][field] - ds2.index.grids[whatever][field].<br>
<br>
-Matt<br>
<br>
On Mon, Jun 15, 2015 at 11:05 PM, bh11e <<a href="mailto:bh11e@my.fsu.edu" target="_blank">bh11e@my.fsu.edu</a>> wrote:<br>
<br>
Hi,<br>
<br>
I was wondering if someone could advise on the following problem. Consider<br>
two (Enzo) datasets with identical grids. What is the way to plot the<br>
difference between a field in one set and a field in the other.<br>
Alternatively is there a way to create a new dataset with the calculated<br>
difference, after which plotting will be as usual.<br>
<br>
Thanks,<br>
<br>
--Boyan Hristov<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">-- Sent from a computer.<br></div></div>
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