In that case yes, you are looking at the projection of a constant field, so you get uniform values.

On Sun, Jan 28, 2018 at 2:44 PM, Vadlamani Samhitha <vadlamani.samhitha@gmail.com> wrote:
I have set the "isothermal" parameter in my parameter file to True.

"&PHYSICS_PARAMS
cooling=.false.
isothermal=.true."

Could this be the reason?

On Sun, Jan 28, 2018 at 9:39 PM, Vadlamani Samhitha <vadlamani.samhitha@gmail.com> wrote:
Thanks for the suggestions, I am attaching the script and my dataset below.Setting "plot.set_zlim" did work partly (i.e., I get the colour bar range without the grids, but it's all blank again). I guess it is due to a constant field as Suoqing Ji has suspected. However, I get a valid "density" field for my galaxy, So, I don't understand why I am unable to get the corresponding "temperature" plot.  

On Sun, Jan 28, 2018 at 8:57 PM, Nathan Goldbaum <nathan12343@gmail.com> wrote:
Hi,

I'm not able to reproduce this using one of the ramses datasets from yt-project.org/data. Is there any chance you can share your dataset along with a script that triggers this behavior?

-Nathan

On Sun, Jan 28, 2018 at 1:42 PM, Vadlamani Samhitha <vadlamani.samhitha@gmail.com> wrote:
Hi, 

I'm trying to obtain a projection plot of temperature for RAMSES data using:

plot = yt.ProjectionPlot(ds, "z", "temperature", weight_field=None)

However, I get a blank plot as attached in the picture below. Could someone help me figure out what could have gone wrong?

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