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June 2000

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Stand alones on the Mac
by Reinhard Gonzi June 2, 2000

June 2, 2000

I got the advice to post my problem with the Python Mac mailing-list. I have enclosed some extensions* Dear Python (Mac) specialist, I have developed some simulations (concerning optics diffraction) with Yorick on the Mac. Now, I would like to make a shareware for amateur astronomers concerning my simulations. Someone told me that this could be possible with Python. I need the numerical library (for the fast Fourier transforms) and a library where I can make a hardcopy from the image (which I get after transforming) in Postscript or GIF (is such one available for Python?) and maybe a library for plotting x versus y diagrams, and a library for a very simple graphical user interface. Would it be then possoble to make a stand-alone application for the Mac? Or should the end-user having installed every time Python? I found nothing abaut that topic at www.python.org and the FAQs therin. What I have found was something vague about the command freeze;but nothing in detail. And I isntalled also the Mac version of Python and also there I could not found anything about Python and stand-alones for the Mac. Because it would be impossible to make a stand-alone program with Python for the Mac, so it is not my thing to port code to Python, because I can further use Yorick (there it is also not possibility to make stand-alones). *What I should not forget to mention ist, that I will have to deal with large arrays, like 1024x1024. I know from Yorick that those arrays have a very huge memory consumption. It is said that Python calculates the Fourier transfroms with the numerical library. But what about the stand-alone interpreter:is the code then interpreted or calculated with the compiled numerical library speed? And waht about porting the program to the Windows platform. Okay, programming for Windows is immoral... Or would it be more cute to program in C or something like that from the begining? The problem would be learning some Mac toolboxes. I think this way is cumbersome and should only be gone by programers who have to live from their programming. Regards, Siegfried Gonzi

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