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<BODY lang=EN-US vLink=purple link=blue>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>So the coordinate system def you provided works, which is
great, but I was wondering if you could show me how to programmaticaly generate
a state plane based coordinate system object in code. I've been using the
following (which I know isn't working for me)</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>int StatePlaneZone = 101; //Alabama
East</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>int isNad83 =
1;
//True</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>OGRSpatialReference* ogrsr = new <SPAN
class=208391314-31122007><FONT face=Arial color=#0000ff
size=2>OGRSpatialReference();</FONT></SPAN></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2><SPAN class=208391314-31122007></SPAN></FONT></SPAN><SPAN
class=208391314-31122007><FONT face=Arial color=#0000ff size=2><SPAN
class=208391314-31122007><FONT color=#0000ff size=2>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2><SPAN class=208391314-31122007><FONT color=#0000ff
size=2>ogrsr</FONT><FONT
size=2>->SetProjCS(zoneTitle);</DIV></FONT></SPAN></FONT></SPAN>ogrsr</FONT><FONT
size=2>->SetStatePlane(statePlaneZone, isNAD83, NULL,
NULL);</FONT></SPAN></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>This is obviously not working based on what the well known
text string generated from this object is. Could you help clarify what I'm doing
wrong, thanks.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2>Christiaan</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=208391314-31122007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left>
<HR tabIndex=-1>
</DIV>
<DIV dir=ltr align=left><FONT face=Tahoma size=2><B>From:</B> Martin Chapman
[mailto:mchapman@texelinc.com] <BR><B>Sent:</B> Friday, December 28, 2007 6:04
PM<BR><B>To:</B> 'Christiaan Janssen'<BR><B>Cc:</B>
gdal-dev@lists.osgeo.org<BR><B>Subject:</B> RE: [gdal-dev] Setting up a
StatePlane Coordinate system<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Sorry,
the proj link is http://proj.maptools.org/.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Martin
Chapman<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Chief
Software Architect<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Fortified
Datacom Inc.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">http://www.fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">mchapman@fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">303-324-1065<o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Martin Chapman
[mailto:mchapman@texelinc.com] <BR><B>Sent:</B> Friday, December 28, 2007 4:00
PM<BR><B>To:</B> 'Christiaan Janssen'<BR><B>Cc:</B>
'gdal-dev@lists.osgeo.org'<BR><B>Subject:</B> RE: [gdal-dev] Setting up a
StatePlane Coordinate system<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Christiaan,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Looks
to me like two issues:<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoListParagraph
style="TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo2"><![if !supportLists]><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><SPAN
style="mso-list: Ignore">1.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><![endif]><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"> Try
using this coordinate system def for Alabama East:<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">PROJCS["NAD_1983_StatePlane_Alabama_East_FIPS_0101",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199432955]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",200000],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",-85.83333333333333],PARAMETER["Scale_Factor",0.99996],PARAMETER["Latitude_Of_Origin",30.5],UNIT["Meter",1]]<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoListParagraph
style="TEXT-INDENT: -0.25in; mso-list: l0 level1 lfo2"><![if !supportLists]><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><SPAN
style="mso-list: Ignore">2.<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><![endif]><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Make
sure the proj.dll is able to find the NAD files it depends on for the
transformation that are identified by an environment variable called PROJ_LIB
and the value should be something like c:\proj\nad. If you don’t have the
NAD files you can download them from <A
href="http://www.proj4.org">www.proj4.org</A>. You can set this
environment variable at run time like so:<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">CPLSetConfigOption(<SPAN
style="COLOR: #a31515">"PROJ_LIB"</SPAN>,
“c:\\proj\\nad”);<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">Or you can set it in My
Computer settings through the environment variables dialog manually.</SPAN><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Give
that a try and let me know how it went.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Best
regards,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Martin
Chapman<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Chief
Software Architect<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Fortified
Datacom Inc.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">http://www.fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">mchapman@fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">303-324-1065<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Christiaan Janssen
[mailto:cjanssen@iavo-rs.com] <BR><B>Sent:</B> Friday, December 28, 2007 1:06
PM<BR><B>To:</B> Martin Chapman<BR><B>Subject:</B> RE: [gdal-dev] Setting up a
StatePlane Coordinate system<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">I'm
trying to generate a Coordinate Transformation from NAD83 State Plane Zone 101
(Alabama East) to WGS84 LatLon. Here are the Well Known Texts for the source and
destination:</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Source:
"LOCAL_CS["State Plane Zone 101 / NAD83",UNIT["Meter",1]]"</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Destination:
"GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS
84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9108"]],AXIS["Lat",NORTH],AXIS["Long",EAST],AUTHORITY["EPSG","4326"]]"</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">I've
been successful with UTM<->LatLon but not with the StatePlane based
transformations. And as a side not here's the error message from
CPLGetLastErrorMsg(): </SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">"No
PROJ.4 translation for source SRS, coordinate<BR>transformation initialization
has failed."</SPAN><o:p></o:p></P>
<P class=MsoNormal> <o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Thanks,</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Arial','sans-serif'">Christiaan</SPAN><o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center>
<HR align=center width="100%" SIZE=2>
</DIV>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Martin Chapman
[mailto:mchapman@texelinc.com] <BR><B>Sent:</B> Friday, December 28, 2007 2:56
PM<BR><B>To:</B> 'Christiaan
Janssen';gdal-dev@lists.osgeo.org<BR><B>Subject:</B> RE: [gdal-dev] Setting up a
StatePlane Coordinate system</SPAN><o:p></o:p></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Christiaan</SPAN>,<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Can you send me your projection string and I will validate
the projection is correct and then I will send back the code I used to do
it.<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Martin
Chapman<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Chief
Software Architect<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Fortified
Datacom Inc.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">http://www.fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">mchapman@fortifieddatacom.com<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">303-324-1065<o:p></o:p></SPAN></P></DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<DIV>
<DIV
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; PADDING-TOP: 3pt; BORDER-BOTTOM: medium none">
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">
gdal-dev-bounces@lists.osgeo.org [mailto:gdal-dev-bounces@lists.osgeo.org] <B>On
Behalf Of </B>Christiaan Janssen<BR><B>Sent:</B> Friday, December 28, 2007 12:32
PM<BR><B>To:</B> gdal-dev@lists.osgeo.org<BR><B>Subject:</B> [gdal-dev] Setting
up a StatePlane Coordinate system<o:p></o:p></SPAN></P></DIV></DIV>
<P class=MsoNormal><o:p> </o:p></P>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Could someone point
me to (or provide me) a code snippet that shows how one would go about setting
up a State Plane zone based OGR Spatial Reference object. Every attempt I've
made has resulted in a SRS object that when used with
OGRCreateCoordinateTransformation() function always results in a failure because
there is no conversion from it. Thanks</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Arial','sans-serif'">Christiaan</SPAN><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal> <o:p></o:p></P></DIV></DIV></BODY></HTML>