report for aps_1id data and vtk writing support

[KedoKudo]

Add a function to generated report based on the metadata from aps_1id tomography experiment, and a function to export reconstruction results to VTK (vtr, rectangular grid).

[decarlof]

@KedoKudo may you give me a test data set so I can see how the report function works? This could be interesting to add to other beamline

[KedoKudo]

@decarlof Should I put the test data in the test/test_data folder?

[decarlof]

no too big for github. Please send me an email and I will give you an upload link

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@decarlof https://github.com/decarlof Should I put the test data in the test/test_data folder?

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[decarlof]

thank you for the files @KedoKudo . What you are proposing is a very good idea, I have just two suggestions:

1. rename the report_aps_1id as write_aps_1id_report and move it in the writer.py module
2. move the "import matplotlib.pyplot as plt" inside the write_aps_1id_report function as for now it is only used there.

I think 1. will encourage other to add their report writers there and it is a matter of fact I already had a sort of write_32_id_report that I wasn't sure where to put. Now I do! Thanks again

[KedoKudo]

@decarlof I moved the report function to writer.py as suggested. Please let me know if there is anything else that needs to be done before merging.

[decarlof]

@KedoKudo perfect, thanks