[Proj] Winkel II corrections, etc.

Gerald I. Evenden geraldi.evenden at gmail.com
Fri Nov 21 09:13:06 PST 2008


On Thursday 20 November 2008 2:42:18 pm Paul B. Anderson wrote:
> - Gerald,
>
> Even though John Snyder originally thought that Winkel was refering to the
> Equal-area Mollweide (1977) and later realizing that is was a Equidistant
> variation (1993) that Winkel was talking about, John's formulas are still a
> valid map projection. I believe that the earlier proposed 'Winkel II
> (Snyder)' would be OK, or even Winkel II (Snyder's Variation). But, Map
> projection naming conventions usually end up with the Originator's name
> first, a hyphen, then the Modifier's name second (as in 'Winkel-Snyder
> projection'). This sometimes results in confusion as to what the
> Originator's projection was, but then a future version of John Snyder will
> have something to write about.

How about "proj=winks".  I returned the old Winkel II description to the 
manual as "Winkel II - Snyder" and added a one sentence history of the 
problem.

I will change the name on the source distribution but there will not be an 
immediate reissue---use no_name in the mean time. ;-)

> Take Care,
> - Paul
> ---
>
> Paul B. Anderson FCCS (USN, Retired)
> Kingsport, TN native living in Norfolk, VA
> My Map Projection web site:
> http://www.csiss.org/map-projections/index.html
>
> On Thu, Nov 20, 2008 at 1:40 PM, Gerald I. Evenden <
>
> geraldi.evenden at gmail.com> wrote:
> > Libproj4 code corrections regarding Winkel II and no_name projection are
> > made
> > available at:
> >
> > http://members.verizon.net/~gerald.evenden/proj4/
> >
> > in the 11/20 files.  The updated manual is not quite ready---takes longer
> > to
> > update the manual than correct the code. ;-(
> >
> > Also, Apian II was made a part of Eckert III group
> >
> > --
> > 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
> > _______________________________________________
> > Proj mailing list
> > Proj at lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/proj



-- 
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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