<div dir="ltr">Hi,<div>does anybody know why when going from WGS84 to the 1924 authalic sphere </div><div>cs2cs is not compensating for the difference in flattening (and thus not changing a bit</div><div>the latitute)?</div><div><br></div><div><div><font face="monospace, monospace">cs2cs -v +datum=WGS84 +proj=lonlat +to +proj=lonlat +a=6371228 +b=6371228 +units=m +no_defs</font></div><div><font face="monospace, monospace"># ---- From Coordinate System ----</font></div><div><font face="monospace, monospace">#Lat/long (Geodetic)</font></div><div><font face="monospace, monospace">#<span class="" style="white-space:pre"> </span></font></div><div><font face="monospace, monospace"># +datum=WGS84 +proj=lonlat +ellps=WGS84 +towgs84=0,0,0</font></div><div><font face="monospace, monospace"># ---- To Coordinate System ----</font></div><div><font face="monospace, monospace">#Lat/long (Geodetic)</font></div><div><font face="monospace, monospace">#<span class="" style="white-space:pre"> </span></font></div><div><font face="monospace, monospace"># +proj=lonlat +a=6371228 +b=6371228 +units=m +no_defs</font></div><div><font face="monospace, monospace">10 10</font></div><div><font face="monospace, monospace">10dE<span class="" style="white-space:pre"> </span>10dN 0.000</font></div><div><br></div><div>I was expecting this behavior only when adding <span style="color:rgb(0,0,0)">+nadgrids=@nul (as reported in the</span></div><div>faq, <a href="http://proj.maptools.org/faq.html">http://proj.maptools.org/faq.html</a>, which is using a similar command line...).<br></div><div><br></div><div>What am I missing?</div><div><br></div><div>Cheers</div><div>Andrea</div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div>==</div><div><div>GeoServer Professional Services from the experts! Visit</div><div><a href="http://goo.gl/NWWaa2" target="_blank">http://goo.gl/NWWaa2</a> for more information.</div></div><div>==<br></div></div><div><br></div></div><div>Ing. Andrea Aime <br></div><div>@geowolf</div><div>Technical Lead</div><div><br></div><div>GeoSolutions S.A.S.</div><div>Via Poggio alle Viti 1187</div><div>55054 Massarosa (LU)</div><div>Italy</div><div>phone: +39 0584 962313</div><div>fax: +39 0584 1660272</div><div>mob: +39 339 8844549</div><div><br></div><div><a href="http://www.geo-solutions.it" target="_blank">http://www.geo-solutions.it</a></div><div><a href="http://twitter.com/geosolutions_it" target="_blank">http://twitter.com/geosolutions_it</a></div><div><br></div><div><p><span lang="IT"><font size="1"><b>AVVERTENZE AI SENSI DEL D.Lgs. 196/2003</b></font></span></p><p><span lang="IT"><font size="1">Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il loro utilizzo è consentito esclusivamente al destinatario del messaggio, per le finalità indicate nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il destinatario, Vi preghiamo cortesemente di darcene notizia via e-mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso, divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per finalità diverse, costituisce comportamento contrario ai principi dettati dal D.Lgs. 196/2003.</font></span></p><p><span lang="IT"><font size="1"> </font></span></p><p><font size="1">The information in this message and/or attachments, is intended solely for the attention and use of the named addressee(s) and may be confidential or proprietary in nature or covered by the provisions of privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord with its purpose, any disclosure, reproduction, copying, distribution, or either dissemination, either whole or partial, is strictly forbidden except previous formal approval of the named addressee(s). If you are not the intended recipient, please contact immediately the sender by telephone, fax or e-mail and delete the information in this message that has been received in error. The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc.</font></p></div><div><br></div><div>-------------------------------------------------------</div></div></div></div></div></div></div>
</div></div>