Greg Woodhouse <[EMAIL PROTECTED]> wrote:
One problem in people not learning from VistA is that it is so difficult to
install and run! The other point is that the various modules have different
licences. It is not fully open sourced in that sense (or am I wrong?).
Some of the largest modules are for insurance purposes and they may be useless
for some others. especially outside the USA.
Let us develop good documentation and make VistA easier to setup, and separate
the open source free parts clearly from the others. I know that there is an
OpenVistA project but, the documentation is insufficient on the above facts.
Nandalal
--- Joseph Dal Molin <[EMAIL PROTECTED]> wrote:
Nandalal, you have in one sentence described how VistA was first
developed and evolved for the better part of its history, all be it the
number of collaborators was much larger.
[GW]
I think that's a fair statement.
So the real issue IMHO is not designing and building the perfect system
is but how to leverage the vast experience and knowledge that is
imbeded
in VistA's DNA.
[GW]
What form does that DNA take? There seems to be some disagreement on
this point. Some have argued that the knowledge that has been gained
through the development of VistA (and I think it's immense) is to be
found only in the code itself. Othewrs argue that artifacts such as
data dictionaries, manuals, user interfaces, etc. are realizations of
knowledge at a slightly higher level of abstraction. VistA was not
developed through something like the Rational Unified Process, starting
with functional requirements, UML models, etc., but grew in a more
organic "bottom up" fashion. But that doesn't mean the knowledge isn't
there. It seems unfortunate to me that no one is asking "What can we
learn from VistA?" For that matter, what is its essence? What sets it
apart from other systems to which people often prefer it? I know those
questions seem abstract, and rather philosophical, but at some point, I
think we need to ask ourselves what type of problem it is that we're
attempting to solve, and what is it that constitutes a good solution. Why?
===
Gregory Woodhouse <[EMAIL PROTECTED]>
"All truth passes through three stages: First, it is ridiculed.
Second, it is violently opposed. Third, it is accepted as
being self-evident."
--Arthur Schopenhauer
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