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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Amarnath S29-Sep-15 6:27
professionalAmarnath S29-Sep-15 6:27 
GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Dan Neely29-Sep-15 7:14
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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Amarnath S29-Sep-15 16:52
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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Dan Neely30-Sep-15 2:45
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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Amarnath S30-Sep-15 4:29
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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
mark.gross@deq.idaho.gov30-Sep-15 4:46
mark.gross@deq.idaho.gov30-Sep-15 4:46 
GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Amarnath S1-Oct-15 19:19
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GeneralRe: How NASA makes the images they share (for APOD fans) Pin
mark.gross@deq.idaho.gov2-Oct-15 4:05
mark.gross@deq.idaho.gov2-Oct-15 4:05 
I was hardly well versed; more like a member of the coding user community and a rather junior one at that!

the code I worked with starting in the early 80s was adapting VICAR IBM batch code to work with an IIS image processing display system. That system was controlled by a PDP-11/34 with all of 256K of memory and three 5mb removable drives! the IIS machine could store in memory 8 512/512/8bit images on 9 printed circuit cards for each image (8k chips). It had hardware lookup tables as well as a pipeline processor for image to image math operations. by the 90s that was an updated IIS machine (64k chips, one board per image, 32 image channels) driven by a VAX.

I left that business in '96 and about 10 years later gave my personal archive tape to my former boss who tried to have the contents read by a contractor; the attempt failed. The code was still on an old MicroVAX, but it went to the landfill around the same time.

working with code written by the early heavy lifters had a huge impact on my coding career. The IBM version of VICAR was a "language" where a series of commands resulted in a string of image processing operations to be executed. The JCL controlled the files, the language processor was in assembler, and the individual modules controlled by the executive were all in FORTRAN. As a young upstart I once made the comment that wouldn't interactive be better, then you could see what you were producing much faster? The answer I got was "If you know what you are doing and what you are doing is worthwhile, then it is worth waiting for it."

Maybe VICAR was "An elegant weapon, for a more civilized age"

for a text from the early days, see Ken Castleman's Digital Image Processing (http://www.amazon.com/Digital-Image-Processing-Kenneth-Castleman/dp/0132114674[^]) - it was pretty cool to be able to take a class from him.
GeneralRe: How NASA makes the images they share (for APOD fans) Pin
Bob Fera30-Sep-15 6:44
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