Hi Julia,

If I create a ProjectionPlot like so:

    p = ProjectionPlot(ds, 'z', ('gas', 'density'))

Then I can access the image array you are looking for like this:

    image = p.frb['gas', 'density']

This is using the FixedResolutionBuffer object that is associated with the ProjectionPlot. You also don't need to create a ProjectionPlot to do this, you can instead manually create a FixedResolutionBuffer object. See the following doc pages:

http://yt-project.org/doc/visualizing/manual_plotting.html#fixed-resolution-buffers
http://yt-project.org/doc/analyzing/generating_processed_data.html?highlight=fixedresolutionbuffer#d-image-arrays
http://yt-project.org/doc/reference/api/yt.visualization.fixed_resolution.html#yt.visualization.fixed_resolution.FixedResolutionBuffer

Hope that helps,

Nathan

On Sun, Jan 21, 2018 at 12:47 AM Julia Rakas <jrakas@umich.edu> wrote:
Hello,

When I do yt.off_axis_projection(…) I get an array as an output. My question is how I can get an output array for regular projection plots? And does the output array correspond to the actual image that it otherwise would have plotted?

Thanks,
Julie
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