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<DIV>Foot/meter problem maybe? 72030/21966.03 ~= 3.279 ~= number of feet
in a meter</DIV>
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<DIV style="FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: 12pt">Noel Zinn,
Principal, Hydrometronics LLC<BR>+1-832-539-1472 (office), +1-281-221-0051
(cell)<BR>noel.zinn@hydrometronics.com (email)<BR>http://www.hydrometronics.com
(website)<BR></DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=gravesricharde@yahoo.com
href="mailto:gravesricharde@yahoo.com">Rick Graves</A> </DIV>
<DIV><B>Sent:</B> Thursday, August 02, 2012 8:44 AM</DIV>
<DIV><B>To:</B> <A title=proj@lists.maptools.org
href="mailto:proj@lists.maptools.org">PROJ.4 Projections Discussions</A> </DIV>
<DIV><B>Subject:</B> [Proj] request help with proj</DIV></DIV></DIV>
<DIV> </DIV></DIV>
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<DIV><FONT face="arial, helvetica, sans-serif">Hey,</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">My northing numbers are way off,
so I must be doing something wrong.</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">I want to convert lat/long to the
following coordinate system:</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PROJCS["NAD_1983_StatePlane_New_Hampshire_FIPS_2800_Feet",</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">GEOGCS["GCS_North_American_1983",</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">DATUM["D_North_American_1983",</FONT></DIV>
<DIV><FONT face="arial, helvetica,
sans-serif">SPHEROID["GRS_1980",
6378137.0, 298.257222101]],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PRIMEM["Greenwich",0.0],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">UNIT["Degree",0.0174532925199433]],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PROJECTION["Transverse_Mercator"],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PARAMETER["False_Easting",984250.0],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PARAMETER["False_Northing",0.0],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PARAMETER["Central_Meridian",-71.66666666666667],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PARAMETER["Scale_Factor",0.9999666666666667],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">PARAMETER["Latitude_Of_Origin",42.5],</FONT></DIV>
<DIV><FONT
face="arial, helvetica, sans-serif">UNIT["Foot_US",0.3048006096012192]]</FONT></DIV>
<DIV><FONT face="arial,
helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">I am initializing proj as
follows:</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">proj +proj=tmerc +lat_0=42.5
+lon_0=-71.66666666666667 +k=0.9999666666666667 +x_0=984250.0 +y_0=0
+Units=Foot_US</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">I have a spot in SE New
Hampshire, along the southern border with Massachusetts, close to the SE
corner:</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">-71.32228851666666
42.69722980277778</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">If you give 42.69722980277778,
-71.32228851666666 to http://maps.google.com/, it will show you a spot in New
Hampshire (but gives a closest address in Massachusetts just across the border,
no big deal).</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">From a shape file that I got from
New Hampshire, the bounding box is as follows:</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">745473.8751627404,
72029.90624999696, 1242053.0000937672, 1023283.999999998</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">(The coordinate system info above
is from the prj file.)</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">So for a spot near the southern
border, I am expecting a northing close to 72030 (72,030), but I am getting
21966.03 (21,966).</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">My easting numbers are closer but
not right on.</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">(I am using proj rel. 4.7.1, 23
September 2009, which came with ubuntu 12.04.)</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">If someone can see what I am
doing wrong, I would appreciate some guidance.</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">Thanks,</FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="arial, helvetica, sans-serif">Rick Graves</FONT></DIV>
<DIV
style="FONT-FAMILY: arial, helvetica, sans-serif; FONT-SIZE: 12pt"> </DIV></DIV></DIV>
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