FFT EM Software 3D????

David Foran dforan at pilot.njin.net
Wed Aug 11 15:29:27 EST 1993



Hello,

I am working on an SGI computer platform and I am trying to enhance
and quantitate EM digital images. 

1) Specifically, I am looking for 
public domain software written in C which allows me to take an 
FFT, perform spatical filetering, layer line filtration, and
perform back projection.

2) In addition, I am interested in locating software which would
enable me to determine surface/
envelope points on a molecule reconstructed from a series of contour maps.

3) Does anyone know what the most common or accepted 3-D file format
is?

Any help would be appreciated........

   	   Thanks in advance,

		david




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