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<p class=MsoNormal><span style='color:#1F497D'>Ginny,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>All that message means is that
there is not a prj file associated with the CAD file which tells ArcGIS what
projection and coordinate system it is in. It does not mean that the coordinates
stored in the CAD file are not in your desired coordinate system. So you are fine.
You might want to look at an article I wrote on our website about understanding
the DWG format for a better understanding of DWGs and DXFs. Here is the
link: <a href="http://www.keckwood.com/223689.ihtml">http://www.keckwood.com/223689.ihtml</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#1F497D'>Tripp Corbin, MCP, CFM, GISP<br>
Vice President, GIS/IT<br>
<i>ESRI Authorized Instructor</i><br>
<b><a href="http://www.keckwood.com/">Keck & Wood, Inc.</a></b><br>
(678) 417-4013<br>
(678) 417-8785 fax<br>
<br>
</span><span style='color:#1F497D'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
shrug-l-bounces@lists.dep.state.fl.us
[mailto:shrug-l-bounces@lists.dep.state.fl.us] <b>On Behalf Of </b>Hunter,
Ginny<br>
<b>Sent:</b> Wednesday, September 30, 2009 7:17 AM<br>
<b>To:</b> SHRUG-L@lists.dep.state.fl.us<br>
<b>Subject:</b> shrug-l: survey data<br>
<b>Importance:</b> High<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>Good
morning, all.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
I have a question regarding CAD data (.dwg and .dxf) files. When I bring
CAD data into a new ArcMap session I get a message that says:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
Unknown spatial reference:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
The following data sources you added are missing spatial reference
information. This data can be drawn in ArcMap but cannot be projected:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
126.dxf Group Layer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
However, when I bring another shape file in the session to see if the CAD file <i>is
</i>in the correct place, the file <i>is </i>in the correct place. I have
a process which I must follow, (SOP – Standard operation procedure), so
this message is one I need to understand so that I can explain it to the
surveyor’s CAD person.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>
Any help or ideas would be greatly appreciated.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'>Blessings
on your day.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>Virginia (Ginny)
Hunter<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>GIS Analyst I
(LA&M)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>Suwannee River
Water Management<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>Live Oak, FL
32060</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>1-800-362-1001
ext. 3140</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'>1-800-226-1066 (In
Florida)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=2 width="100%" align=center>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";
color:black'>All E-mail sent to and from this address may be public records.
The Suwannee River Water Management District does not allow use of the District
E-mail system and other equipment for non-business related purposes.</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
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