Hi Yan-Feng,

I haven't tried it, but I think there is functionality for this. You can use the load_amr_grids() function which can load amr data in Cartesian, spherical, or polar coordinates. Here's the documentation:

http://yt-project.org/doc/examining/generic_array_data.html#loading-numpy-array

http://yt-project.org/doc/reference/api/generated/yt.frontends.stream.data_structures.load_amr_grids.html#yt.frontends.stream.data_structures.load_amr_grids

Best,
Jonah

On Tue, Mar 29, 2016, 6:35 PM Jiang, Yanfei <yanfei.jiang@cfa.harvard.edu> wrote:
Hi, 
         I have some data from a new version of Athena simulations. It is in spherical polar coordinate with mesh refinement written in HDF5. The data structure is similar to flash data but not the same. Does anyone have suggestions to load such data to yt directly? 

Thank you.
--
Yan-Fei Jiang

Einstein Fellow
Harvard-Smithsonian Center for Astrophysics
60 Garden Street, Cambridge MA USA 02138
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