[yt-dev] Question about vorticity and divergence plots

吳佳鴻 r00222055 at ntu.edu.tw
Wed Mar 12 07:58:41 PDT 2014


Hi Matt,



I already sent an email which has the subject “About YT Divergence and Vorticity Plots from Jia-hung” to your gmail account.

In the email, it includes my data and my several frontend files.

Any suggestion is welcome and thank you in advance for the help.



Sincerely,

-Jia-Hung





-----------------Previous-------------------------------------------

Hi Jia-Hung,



Interesting.  With cell-centered data, it ought to produce correct results.



Would you be able to send me a small sample dataset (off-list) and I

can take a look?  Or feel free to stop by our hangout at 11AM Eastern

and I can try it out there.



-Matt



On Wed, Mar 5, 2014 at 1:31 PM, 吳佳鴻 <r00222055 at ntu.edu.tw<http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org>> wrote:

> Hi Matt,

>

>

>

> I am sorry that somehow my mailbox could not receive the mail successfully,

> so I copy and paste the previous discussion at the bottom of this email.  I

> think my data is cell-centered, and I give YT my velocity field in the name

> of ["velx", "vely", "velz"].  Is there anything wrong?

>

>

>

> Jia-Hung

>

>

>

>

>

> --------------------------------------previous

> ------------------------------------------

>

> Hi Jia-Hung,

>

>

>

> Are values stored as face-centered or cell-centered in your output?

>

>

>

> -Matt

>

>

>

> On Wed, Mar 5, 2014 at 5:21 AM, 吳佳鴻 <r00222055 at ntu.edu.tw<http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org>> wrote:

>

>> Dear all,

>

>>

>

>>

>

>>

>

>> I’m new to YT. I encountered a problem when trying to plot the

>

>> divergence and vorticity of a velocity field with an octree data

>

>> structure similar to FLASH.

>

>>

>

>>

>

>>

>

>> I put a cylindrically symmetric velocity field into YT. So far I could

>

>> get Velocity Magnitude Plot correctly and the Velocity vector looks

>

>> also fine (see the attachment). However, the VorticityMagnitude and

>

>> DivV plots have a offset toward the top right corner. I was wondering

>> where I did it wrong.

>

>> Any suggestion will be welcome, and thanks for the help in advance.

>

>>

>

>>

>

>>

>

>> Sincerely,

>

>>

>

>> Jia-Hung

>

>>

>

>>

>

>>

>

>>

>

>>

>

>>

>

>> _______________________________________________

>

>> yt-dev mailing list

>

>> yt-dev at lists.spacepope.org<http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org>

>

>> http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org

>

>>

>

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