PtyPy improvements

[pierrethibault]

The first draft of planned ptypy improvements can be found on this google doc:

https://docs.google.com/document/d/1jp1tqEqPJxw4isc4FTKXCqzsOrgcuiBkq4XjMHWfgMc/edit?usp=sharing

Anyone planning to participate is welcome to take a look and comment or edit. We will then break these general goals in smaller pieces to make a roadmap.

[jcesardasilva]

This is very nice, Pierre, and very important. I put some suggestions in the google doc you shared with us. I was wondering if it is possible to make clearer in the documentation how to properly use Ptypy for near-field ptychography, given that the tutorial presented is for Far-field ptychography. Is there any interested in including Fourier Ptychography in the package?

[pierrethibault]

Thanks Julio. I think @stefanoschalkidis will have at least templates to suggest for near-field ptychography.

Including Fourier ptychography would be very nice, thanks for mentioning. As for pyFFTW, I looked into this a long time ago and thought that scipy's FFTpack was just as fast?

[aaron-parsons]

Hi Pierre,

I also added some comments. From my view, I think adding unit tests is very important to make this a long lasting package. We should make a simple test framework so that contributors can build a test with very little effort/ time. This means that if we make framework changes (ie moving to gpu) we can test the whole structure straight away.

The tests also would work nicely as example code for users.

Aaron

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