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Mary,<br><br>
I'm not quite sure whether what we've already proposed covers all they
discuss. The Geographic Coverage/Bounding Box was supposed to be
the link to FGDC. I guess a main point is the DDI's ability to
define a geographic area by either a) a constructed area (e.g. political
or other boundary) or b) an arbitrarily-requested geographic area (point,
line, user-defined polygon (like agricultural plot in their
scenario)).<br><br>
I guess maybe a question is how well we allowed for points or lines (not
just polygons). I can't seem to find that explicitly in the
geography spreadsheet, but thought I remembered us discussing it.
Anyone remember?<br><br>
Kate<br><br>
At 04:44 PM 11/7/2005 -0500, Mary Vardigan wrote:<br><br>
<blockquote type=cite class=cite cite><font face="arial" size=2 color="#000080">Dear
ADG Working Group members,<br>
</font><br>
<font face="arial" size=2 color="#000080">I just received the attached
information about spatial data from the Spatial Analysis Unit at UNC and
am not sure how it fits in with what we have proposed in terms of
geography. Is there anything in this document that we should pass on to
inform the creation of Version 3.0? The group at UNC is very eager to
have the DDI expand to cover spatial data effectively.<br>
</font><br>
<font face="arial" size=2 color="#000080">Mary<br>
<hr>
<div align="center"></font></div>
<font face="tahoma" size=2><b>From:</b> John Spencer
[<a href="mailto:spence2@email.unc.edu" eudora="autourl">mailto:spence2@email.unc.edu</a>]
<br>
<b>Sent:</b> Monday, November 07, 2005 2:22 PM<br>
<b>To:</b> Mary Vardigan<br>
<b>Subject:</b> Re: Survey Research tools<br>
</font><br>
<font face="Times New Roman, Times"> <br>
</font><br>
<font face="Times New Roman, Times">Mary and others,<br>
Here is the document I wrote with Phil Page (the director of the Spatial
Analysis Unit here at CPC) that outlines some scenarios where spatial
data was part of a survey and key things we'd need to know to use the
data effectively. What we tried to do was present the things that we'd
want to know if we were presented with spatial data from the scenarios.
Each scenario reflects examples we have encountered here at the Spatial
Analysis Unit. Our assumption was that the spatial component corresponded
to one (or more) records in the database. I should point out, that this
assumption is by no means the only way spatial data could be associate
with a survey. There could be contextual information that's integrated
with the survey that comes from spatial databases, e.g. Census, Land
Cover, Elevation, etc that is at the survey level and not at the
respondent level. <br><br>
Anyway, hope this helps clarify some issues. I think the addition of
spatial data capabilities would represent a valuable advancement for DDI.
If you have any questions or would like more information, or if there's
additional help I can provide, just let me know. <br><br>
John<br><br>
</font><br>
<pre><font face="Courier New, Courier" size=2>--
</font></pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>John
Spencer</font></pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>Senior Spatial
Analyst</font></pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>Carolina</font> Population
Center</pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>University</font> of North
Carolina</pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>123 W. Franklin
St.</font></pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>Chapel Hill</font>, NC
27516 USA</pre><font face="Courier New, Courier"></font><br>
<pre><font face="Courier New, Courier" size=2>919.966.1721</font></pre><font face="Courier New, Courier"></font><br>
<font face="Times New Roman, Times"><br><br>
</font><br>
<pre><font face="Courier New, Courier" size=2> </font></pre><font face="Courier New, Courier"></font><br>
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___________________________________________<br>
Katherine McNeill-Harman<br>
Data Services Librarian<br>
Dewey Library for Management and Social Sciences<br>
Massachusetts Institute of Technology<br>
77 Massachusetts Avenue, E53-100<br>
Cambridge, MA 02139<br>
mcneillh@mit.edu<br>
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