[yt-users] Coexistence of positive and negative values on a SlicePlot in log scale

[Suoqing JI]

Hi,

I understand that typically the negative values would appear as white color on a log slice plot. However, if I directly plot the fields that are generically defined in FLASH, the negative values DO appear correctly. For example, the velx field: http://pbrd.co/1jz3iqR. 

But for any derived fields, for example, defining velx1 = 1.*velx, the negative values appear white again: http://pbrd.co/1jz4oD8. 

So, is there anyway to show both positive and negative values on a log slice plot for derived fields (I’m using YT2)?

Thanks!

Best wishes,
--
Suoqing JI
Ph.D Student
Department of Physics
University of California, Santa Barbara
CA 93106, USA

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