[Proj] Libproj4 manual opinion poll
Gerald I. Evenden
geraldi.evenden at gmail.com
Sun Sep 28 16:25:58 EDT 2008
The libproj4 manual is becoming a big beast and often taking too long for
upgrades. While browsing around the web looking at various "repositories" of
cartographic projection information one aspect came to mind: in many cases
referring to a particular projection brought up a single page containing only
info related to the selected projection. For example: Anderson's projection
is an example of selecting a category->projection_name gives a pdf picture of
that projection. But one trouble with this particular site is there is no
(or very little) supplementary information.
I am suggesting that the current manual be changed to operate in a manner
similar to Anderson's except that in addition to a sample illustration
(reduced to reasonable screen size) there would be a description of libproj4
control options, formula and any comments pertinent and unique to that
A ancillary advantage of this method is that the projection illustration is
kept with the documentation and not shifted off to a distant page as part of
a collection of projection maps. This was necessary to keep the overall page
count down because of the added space required by single map figure; but this
is not a problem in the proposed method.
Some pdf sections may cover a little broader material than just one projection
procedure. For example, all the material in the recent brouhaha on TM would
be a single pdf.
This proposed format would require use of pdf as the display medium because
html does not do a reasonable job with math.
A couple of sections of the current manual would remain the same and kept in a
single "volume" such as the description of the internal procedure support,
structures and material only of interest to programmers.
Please return with suggestions and/or don't do it complaints.
PS: This will take more disc space and I am not sure if my web site can
contain this method of distribution so I may come begging for a home site.
The whole religious complexion of the modern world is due
to the absence from Jerusalem of a lunatic asylum.
-- Havelock Ellis (1859-1939) British psychologist
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