[Proj] Info on proj4 formulas

[Nick Ves]

Intresting,

But now I'm wondering if the OGP's "Geomatics Guidance Note Number 7,
part 2 Coordinate Conversions and Transformations including Formulas"
[0] has been taken into account in the realizations of the formulas.

[0] http://www.ogp.org.uk/pubs/373-07-2.pdf

On Fri, May 9, 2014 at 5:19 PM, Norman Vine <nhv at cape.com> wrote:
>
> On May 9, 2014, at 10:05 AM, Andrea Peri <aperi2007 at gmail.com> wrote:
>
> Hi,
> You have right.
> I can read and try to understand the code but i don't know the PROJ lib.
> There is a specific file source dedicate to the reprojection functions ?
>
>
>
> Each projection has its own file these are named  "PJ_XXXX"
> where XXXX is an abbreviation of the projection's name
>
> Proj4 is the codification of Snyder's "Map Projections: A Working Manual"
> Where the derivation of the projections are discussed
> this is available as a pdf from
> http://pubs.er.usgs.gov/publication/pp1395
>
>
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