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<body bgcolor="#FFFFFF"><div>Hello Gerald. Nice to hear from you again. </div><div><br></div><div>I agree that NE looks very much like Robinson or Winkel triple. </div><div><br></div><div>However, I think you read the name out of context.</div><div>It refers to (alludes to?) the free dataset Natural Earth,</div><div>see <a href="http://www.naturalearthdata.com">http://www.naturalearthdata.com</a> </div><div><br></div><div>Regards,</div><div><br></div><div>Mikael Rittri</div><div>Carmenta</div><div>Sweden</div><div><a href="http://www.carmenta.com">http://www.carmenta.com</a><br><br></div><div>4 mar 2012 kl. 03:02 skrev "Gerald I. Evenden" <<a href="mailto:geraldi.evenden@gmail.com">geraldi.evenden@gmail.com</a>>:<br><br></div><div></div><blockquote type="cite"><div>My interest in projections has waned and I only get this email list because I am too lazy to cut it off. However this projection caught my eye for a couple of reasons: 1) it is only a slight and insignificant rehash of existing projections but, more importantly, 2) the presumptuousness of calling it the "Natural Earth." Oh please!!<br>
<br>Alas.<br><br><div class="gmail_quote">On Sat, Mar 3, 2012 at 7:51 PM, Norman Vine <span dir="ltr"><<a href="mailto:nhv@cape.com"><a href="mailto:nhv@cape.com">nhv@cape.com</a></a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word"><br><div><div>On Feb 24, 2012, at 6:02 PM, Bernhard Jenny wrote:</div><br><blockquote type="cite"><div>I would like to suggest the inclusion of the Natural Earth projection in PROJ.4. Natural Earth is a new projection for small-scale world maps. Here is more information on the projection:<br>
<a href="http://www.shadedrelief.com/NE_proj/" target="_blank"><a href="http://www.shadedrelief.com/NE_proj/">http://www.shadedrelief.com/NE_proj/</a></a><br><br>This recent article in Cartography and Geographic Information Science describes the development of the projection and its equations:<br>
<a href="http://cartography.oregonstate.edu/pdf/2011_Savric_etal_PolynomialNaturalEarth.pdf" target="_blank"><a href="http://cartography.oregonstate.edu/pdf/2011_Savric_etal_PolynomialNaturalEarth.pdf">http://cartography.oregonstate.edu/pdf/2011_Savric_etal_PolynomialNaturalEarth.pdf</a></a><br><br>Here is C code ready to be included in PROJ.4:<br>
<a href="http://www.shadedrelief.com/NE_proj/natural_earth_proj.zip" target="_blank"><a href="http://www.shadedrelief.com/NE_proj/natural_earth_proj.zip">http://www.shadedrelief.com/NE_proj/natural_earth_proj.zip</a></a> <br><br>I suggest the following entry for pj_list.h:<br>PROJ_HEAD(natearth, "Natural Earth")<br>
<br>Best regards,<br>Bernie<br><br>Bernhard Jenny<br>Assistant Professor<br>Cartography and Geovisualization<br>Oregon State University<br><a href="mailto:jennyb@geo.oregonstate.edu" target="_blank"><a href="mailto:jennyb@geo.oregonstate.edu">jennyb@geo.oregonstate.edu</a></a><br>
<a href="http://cartography.oregonstate.edu/" target="_blank"><a href="http://cartography.oregonstate.edu/">http://cartography.oregonstate.edu/</a></a><br></div></blockquote><div><br></div><div>Bernie</div><div><br></div><div>Frank has added this projection see</div><div>
<a href="http://trac.osgeo.org/proj/changeset/2182" target="_blank"><a href="http://trac.osgeo.org/proj/changeset/2182">http://trac.osgeo.org/proj/changeset/2182</a></a></div><div><br></div><div>Perhaps you could add some documentation to </div><div><a href="http://trac.osgeo.org/proj/wiki/ProjList" target="_blank"><a href="http://trac.osgeo.org/proj/wiki/ProjList">http://trac.osgeo.org/proj/wiki/ProjList</a></a></div>
<div><br></div><div>Thanks</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Norman</div><div><br></div></font></span></div></div><br>_______________________________________________<br>
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