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For two decades, technical communicators have turned to TechWhirl to ask and answer questions about the always-changing world of technical communications, such as tools, skills, career paths, methodologies, and emerging industries. The TechWhirl Archives and magazine, created for, by and about technical writers, offer a wealth of knowledge to everyone with an interest in any aspect of technical communications.
For an article I'm writing, I need to be able to generate an image of
the 3D structure of a moderately complex chemical such as a simple
protein. In fact, a sequence of half a dozen amino acids would more
than suffice. I don't need to draw any specific molecule(s); I'm just
trying to illustrate a few different levels of abstraction, starting
with "realistic" (the 3D molecule) and working my way up the chain of
abstraction to the base triplets that encode the amino acids. Clip art
could work, but I'd rather generate the image myself to avoid any
potential copyright entanglements.
Lots of stuff turns up in Google, but before I spend a few hours
spelunking and testing, I thought I'd look for personal recommendations
from people who have actually used the software.
Criteria: I'm looking for something free (I almost certainly won't use
it again), free of copyright entanglements, easy to use, and able to
produce a crisp image that would ideally also work in black and white
or greyscale. System requirements: I'm on a Mac using OS X (Panther,
not Tiger). A browser-based tool would be fine.
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