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Re: Sum along diagonals

davidf@dfanning.com (David Fanning) writes:

> Todd Clements (mole6e23@hotmail.com) writes:
> > Having read this newsgroup for a while, I'm beginning to wonder
> > if there is an IDL question you can't answer. (
> Here is one from The Book of IDL Questions
> I hear he is writing.
>    How many contours will I get if
>    I let IDL select them?
>    Who in his right mind thought we needed
>    something like the Table Widget?
>    Why is it so difficult to get PostScript output,
>    and why are object graphics lines so thin?
>    How hard can it be to write code that is
>    incomprehensible? Do I need to know more, or less?

At times like this I turn to the ancient poetry form, IDL-ku.  Like
the haiku it must adhere to the terse 5-7-5 syllable structure, but
must also be a compileable IDL program.  The equals sign, "=", can
either be silent or short-hand for the one-syllable, "is."

yes, _ref_extra = $
useful, NOT a, figment (from)
JDs, imagination

arrays, alter (shape)
at, unexpected, moments;
remember, reform (them)

display: the image;
for robust=results, please do $
use, imdisp OR plotimage

Nuggets of wisdom from the ages...  Not answers to every question, but
then again we must leave some mystery for the new people.


Craig B. Markwardt, Ph.D.         EMAIL:    craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response