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Re: [ATM] Diffraction Assisted Figure Test



You can do that with OpenFringe.  Ask for details if
you need them.

Dale Eason
--- Arjan te Marvelde <arjan.te.marvelde@hetnet.nl>
wrote:

> Hello Jim,
> 
> It would be interesting to have 'diffract' extended
> with the option to
> define your own mask, and then see what the pinhole
> image looks like...
> 
>    Arjan
> 
> > The caveat is to work with diffraction you have to
> use the Fourier
> > transform.  I've got a couple of "Hartmann" test
> reduction programs, 1D:
> >         
> http://home.earthlink.net/~burrjaw/public/hart.zip
> > (Win32, 2001-12-31, 508 k)
> > and 2D:
> >         
> http://home.earthlink.net/~burrjaw/public/hart2d.zip
> > (Win32, 2006-02-02, 1.14 M)
> >
> > Both programs use the image from a web cam with
> the lens taken off,
> > and the 2D version uses, as Arjan suggests, a
> "checkerboard"
> > mask.  I've been using (too long <grumble>) a
> version of the 2D
> > program to figure an RC cass secondary using a
> Hindle sphere.
> 
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 



 
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