<div dir="ltr">Thanks for posting this!<div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, May 9, 2014 at 8:31 AM, Nick Ves <span dir="ltr"><<a href="mailto:vesnikos@gmail.com" target="_blank">vesnikos@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Intresting,<br>
<br>
But now I'm wondering if the OGP's "Geomatics Guidance Note Number 7,<br>
part 2 Coordinate Conversions and Transformations including Formulas"<br>
[0] has been taken into account in the realizations of the formulas.<br>
<br>
[0] <a href="http://www.ogp.org.uk/pubs/373-07-2.pdf" target="_blank">http://www.ogp.org.uk/pubs/373-07-2.pdf</a><br>
<br>
On Fri, May 9, 2014 at 5:19 PM, Norman Vine <<a href="mailto:nhv@cape.com">nhv@cape.com</a>> wrote:<br>
><br>
> On May 9, 2014, at 10:05 AM, Andrea Peri <<a href="mailto:aperi2007@gmail.com">aperi2007@gmail.com</a>> wrote:<br>
><br>
> Hi,<br>
> You have right.<br>
> I can read and try to understand the code but i don't know the PROJ lib.<br>
> There is a specific file source dedicate to the reprojection functions ?<br>
><br>
><br>
><br>
> Each projection has its own file these are named "PJ_XXXX"<br>
> where XXXX is an abbreviation of the projection's name<br>
><br>
> Proj4 is the codification of Snyder's "Map Projections: A Working Manual"<br>
> Where the derivation of the projections are discussed<br>
> this is available as a pdf from<br>
> <a href="http://pubs.er.usgs.gov/publication/pp1395" target="_blank">http://pubs.er.usgs.gov/publication/pp1395</a><br>
><br>
><br>
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</blockquote></div><br></div>