Hi Reju, You should still be able to pass a data_source to the projection -- but you may also be able to do a thin projection if you're using PlotCollection still. On Sun, Feb 21, 2016 at 11:45 PM, Reju Sam John <rejusamjohn@gmail.com> wrote:

Hi,

I would like to make a projection of a field along 'z' axis centered at [0.5, 0.5, 0.5] with a thickness of 10Mpc (5 Mpc to +z dir and 5 Mpc to -z dir). How to select the above-mentioned region from the whole simulation volume? I am using YT Legacy 2.x.

Thank you.

-- Reju Sam John

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