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<body class='hmmessage'><div dir='ltr'>Hi Janne,<br>thanks for the response.<br>Our custom projection is an approximated Mercator Meter projection based on International 1909 ellipsoid.<br>The approx formula is:<br><br><!--[if gte mso 9]><xml>
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</span>1.0067642927) + PI/2) ) * 6378388.0</span></span></font></p>
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<![endif]--><br>The choice of using an approximated projection is historical and related by hardware limitations of thirty years ago.<br><br>Regards,<br><br>Raul<br><br><br><div>> Date: Fri, 28 Mar 2014 21:52:28 +0200<br>> From: support.mn@elisanet.fi<br>> To: proj@lists.maptools.org<br>> Subject: Re: [Proj] Add custom projection<br>> <br>> Hello,<br>> <br>> could you tell us why do you have a custom mercator<br>> projection? and what is custom in it?<br>> <br>> Regards: Janne.<br>> <br>> ===========================================<br>> <br>> raul pra levis [raulfalco1978@hotmail.com] kirjoitti: <br>> > <br>> > <br>> > <br>> > Hi,<br>> > I work for a company where we have our custom mercator projection.<br>> > I already developed code snippets to integrate such projection in proj4 4.8.0 (c++).<br>> > Is there the chance to collaborate with develop team to integrate it in proj4 main trunk? <br>> > <br>> > Thanks and best regards,<br>> > <br>> > Raul Pra Levis<br>> > <br>> > <br>> >                                            <br>> > _______________________________________________<br>> > Proj mailing list<br>> > Proj@lists.maptools.org<br>> > http://lists.maptools.org/mailman/listinfo/proj<br>> <br>> <br>> _______________________________________________<br>> Proj mailing list<br>> Proj@lists.maptools.org<br>> http://lists.maptools.org/mailman/listinfo/proj<br></div>                                            </div></body>
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