Hi, Please use this example code. https://pastebin.com/nh9rvqfm. I have used this link as a reference. https://groups.google.com/forum/#!topic/cython-users/fFBiCCwblD0
Regards, Aravindhan K On Tue, May 22, 2018 at 11:58 AM, aishwarya selvaraj < aishwaryaselvaraj1...@gmail.com> wrote: > Hi, > Thank you for the suggestion. I was trying out an example code using > PyArray_NewFromDescr*.* PFA of the code.I compiled the file using :python > setup.py build_ext --inplace. > When compiled I get the following error : > fatal error : numpy/arrayobject.h :No such file or directory. > I would be realy gratefull if you could do the edit in the file I sent in > my first mail. > > ᐧ > > On Mon, May 21, 2018 at 9:19 PM, Aravindhan K <aravindhank1...@gmail.com> > wrote: > >> Hi, >> >> You could try using PyArray_NewFromDescr NumPy C-API function for >> creating nd-array >> in function capturing frames. >> than doing nested loops to do copy byte by byte. (This could be the >> bottleneck) >> https://docs.scipy.org/doc/numpy-1.14.0/reference/c-api.arra >> y.html#from-scratch >> >> >> Regards, >> Aravindhan K >> >> On Mon, May 21, 2018 at 5:12 PM, aishwarya selvaraj < >> aishwaryaselvaraj1...@gmail.com> wrote: >> >>> Dear all, >>> I was programming for Andor CCD using SDK libraries in python using >>> cython. >>> I have a piece of code within my .pyx script which does the function of >>> storing the data into a 3D array. While acquiring n frames, each of them is >>> stored in a 3D array named data, which later I would be displaying. But >>> this creates a bottleneck in my code. >>> Hence I need to introduce threading, such that for each frame to be >>> stored there are individual threads for the same and the frames could be >>> displayed simultaneously without creating a performance lag. >>> Since I have never worked on multithreading, could anyone please help >>> me. >>> PFA of the code. (LiveAcquisition code) >>> >>> >>> -- >>> Regards, >>> Aishwarya Selvaraj >>> >>> _______________________________________________ >>> Chennaipy mailing list >>> Chennaipy@python.org >>> https://mail.python.org/mailman/listinfo/chennaipy >>> >>> >> >> _______________________________________________ >> Chennaipy mailing list >> Chennaipy@python.org >> https://mail.python.org/mailman/listinfo/chennaipy >> >> > > > -- > Regards, > Aishwarya Selvaraj > > _______________________________________________ > Chennaipy mailing list > Chennaipy@python.org > https://mail.python.org/mailman/listinfo/chennaipy > >
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