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<DIV dir=ltr><FONT face="Times New Roman" color=#000000><FONT size=2><FONT size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">From 1925 to 1946, there was a “British Grid” used by the Allied Forces in the Mediterranean. The British Army (GSGS) </SPAN>established the "Mediterranean Zone" for the <STRONG><EM>secant </EM></STRONG>Lambert Conical Orthomorphic Projection where the</FONT> <SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">central meridian was 29° East of Greenwich, and the latitude of origin was 39° 30' N, the scale factor at origin was 0.99906, the False Easting was 900 km, and the False Northing was 600 km.<SPAN style="mso-spacerun: yes"> </SPAN></SPAN></FONT></FONT></DIV>
<DIV dir=ltr><FONT face="Times New Roman" color=#000000><FONT size=2><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="mso-spacerun: yes"></SPAN></SPAN></FONT></FONT> </DIV>
<DIV dir=ltr><FONT face="Times New Roman" color=#000000><FONT size=2><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="mso-spacerun: yes">See my column in <EM>PE&RS</EM> for December of 2002 on Greece.</SPAN></SPAN></FONT></FONT></DIV>
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<DIV><FONT face="Times New Roman" color=#000000 size=2><SPAN style="FONT-SIZE: 10pt">Clifford J. Mugnier, C.P., C.M.S.<BR>Past National Director (2006-2008),<BR>Photogrammetric Applications Division<BR>American Society for Photogrammetry and Remote Sensing <BR>and <BR>Chief of Geodesy,</SPAN></FONT></DIV>
<DIV><FONT face="Times New Roman" color=#000000 size=2><SPAN style="FONT-SIZE: 10pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; FONT-VARIANT: small-caps; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: EN-US">Center for GeoInformatics</SPAN></SPAN></FONT></DIV>
<DIV><FONT face="Times New Roman" color=#000000 size=2><SPAN style="FONT-SIZE: 10pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman','serif'; FONT-VARIANT: small-caps; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: EN-US"></SPAN>Department of Civil Engineering <BR>Patrick F. Taylor Hall 3223A<BR><STRONG>LOUISIANA STATE UNIVERSITY</STRONG> <BR>Baton Rouge, LA 70803<BR>Voice and Facsimile: (225) 578-8536 [Academic] <BR>Voice and Facsimile: (225) 578-8925 [Research] <BR>Honorary Life Member of the <BR>Louisiana Society of Professional Surveyors <BR>Member Emeritus of the ASPRS <BR>Member of the Americas Petroleum Survey Group<BR>======================================================<BR></SPAN><A href="https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/exchweb/bin/redir.asp?URL=https://email.lsu.edu/%20exchweb/bin/redir.asp?URL=https://email.l" target=_blank><SPAN style="FONT-SIZE: 10pt">http://www.asprs.org/resources/GRIDS/</SPAN></A><BR><SPAN style="FONT-SIZE: 10pt">======================================================</SPAN></FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> proj-bounces@lists.maptools.org on behalf of Noel Zinn<BR><B>Sent:</B> Sun 14-Feb-10 13:21<BR><B>To:</B> 'PROJ.4 and general Projections Discussions'<BR><B>Subject:</B> Re: [Proj] Standard projection for Mediterranean basin<BR></FONT><BR></DIV>
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<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As a rule of thumb choose your standard parallels one sixth of the distance inside the North and South boundaries of your area of interest. -Noel</SPAN></FONT></P>
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<P class=MsoNormal><B><FONT face=Tahoma color=black size=2><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT face=Tahoma color=black size=2><SPAN style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: Tahoma"> proj-bounces@lists.maptools.org [mailto:proj-bounces@lists.maptools.org] <B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Luigi Ponti<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Sunday, February 14, 2010 12:44 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> geraldi.evenden@gmail.com; PROJ.4 and general Projections Discussions<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [Proj] Standard projection for Mediterranean basin</SPAN></FONT><FONT color=black><SPAN style="COLOR: windowtext"></SPAN></FONT></P></DIV>
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<P class=MsoNormal><FONT face="Times New Roman" color=black size=3><SPAN style="FONT-SIZE: 12pt">On 20:59, Gerald I. Evenden wrote: </SPAN></FONT></P><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">On Saturday 13 February 2010 12:28:57 pm Luigi Ponti wrote:</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE>
<BLOCKQUOTE style="MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt" type="cite"><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Hello,</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">I use PROJ.4 via GRASS GIS, and I would like to know if anyone is aware</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">of a standard projection for mapping the whole Mediterranean basin. I</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">need to do raster-based statistics on the maps, so I guess what I am</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">looking for is an equal area projection.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">What I have found on the Web is a GIS built by the Joint Research Center</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">(JRC <A href="http://www.jrc.ec.europa.eu/">http://www.jrc.ec.europa.eu/</A>) that used Lambert Azimuthal Equal</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Area (LAEA) for the Mediterranean:</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"><A href="http://re.jrc.ec.europa.eu/pvgis/info/faq.htm#projection">http://re.jrc.ec.europa.eu/pvgis/info/faq.htm#projection</A></SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">However, it adopted the same projection center for both Europe and the</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Mediterranean</SPAN></FONT> (0 °E and 48 °N). Is this correct?</PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">There is also a workshop report</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"><A href="http://www.ec-gis.org/sdi/publist/pdfs/annoni-etal2003eur.pdf">http://www.ec-gis.org/sdi/publist/pdfs/annoni-etal2003eur.pdf</A></SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">that recommended LAEA with projection center 9 °E and 53 °N to be used</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">for statistical mapping in the European Union.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Based on this background it seems like LAEA would be fine. However, I am</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">unsure if there is a standard projection center and datum.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Thank you for any hints. Kind regards,</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Luigi</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">_______________________________________________</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Proj mailing list</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"><A href="mailto:Proj@lists.maptools.org">Proj@lists.maptools.org</A></SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"><A href="http://lists.maptools.org/mailman/listinfo/proj">http://lists.maptools.org/mailman/listinfo/proj</A></SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE></BLOCKQUOTE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">Personal opinion: because you seem to have your own project needs that has not </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">shown a need to match any existing projection I would, because of the general </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">E-W shape of your region, select Albers Equal Area conic. With reasonably </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">selected parallels is should give you less distortion at the extremities than </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">the azimuthal projection.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE>
<P class=MsoNormal><FONT face="Times New Roman" color=black size=3><SPAN style="FONT-SIZE: 12pt"><BR>Thank you -- this sounds like a very good suggestion.<BR><BR><BR></SPAN></FONT></P><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">A little parameter tuning needs to be done.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE>
<P class=MsoNormal><FONT face="Times New Roman" color=black size=3><SPAN style="FONT-SIZE: 12pt"><BR>Really have no clue on how to go about this, but will give it a try. From what you say, I understand that it would basically be a matter of finding the right standard parallels: is there a rule of thumb for this?<BR><BR>Thanks again,<BR><BR>Luigi<BR><BR><BR></SPAN></FONT></P><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">I would not be prejudiced by projections where the needs to cover the entire </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt">continent are are the primary consideration.</SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE><PRE><FONT face="Courier New" color=black size=2><SPAN style="FONT-SIZE: 10pt"> </SPAN></FONT></PRE>
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