Could you tell a litle bit more about shapefile from KML creation.<br><br>thank you, <br><br>Alex Kuznetsov,<br>SSFC GIS student<br><br><br><br><div><span class="gmail_quote">On 7/12/06, <b class="gmail_sendername">mark thomas
</b> <<a href="mailto:javaguru@bellsouth.net">javaguru@bellsouth.net</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<tt>Who are you?</tt><br>
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Mark Thomas - independent GIS developer/contractor<br>
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<tt>What are you using PostGIS for?</tt><br>
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1) geocoding, zip code lookups, radius lookups (i.e. is gimme everything within XXX miles of 123 main st, somewhere, AL 12345), and customer-created polygon lookups (cartoweb/MapServer for visual polygon drawing) in a custom application providing free demographic data and statistics on the public Internet. PostgreSQL/PostGIS stores all the demographic data retrieved by the various lookups and is then rendered in either HTML or PDF.
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check it out at <a href="http://www.demographicsdata.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.demographicsdata.com</a> - note that its running on my home workstation right now so it might be slow/down at times, but that will change soon...
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2) I use PostGIS for easy creation of shapefiles. For example, I used it to create a shapefile out of a Google Earth KML file. PostGIS is an invaluable tool for spatial data analysis and manipulation. I also use PostGIS to create shapefiles out of TIGER/line files.
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<tt>Why did you choose PostGIS?</tt><br>
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Because its more OGC standards-based than Oracle Spatial/Locator, its more robust/mature than MyGIS, the large user community, and its free!<br>
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<tt>What makes you happy about your PostGIS installation?</tt><br>
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It's so easy to install and use. A simple shell script gives me a fully working environment. The SDO libraries for Oracle Spatial work great, but there's a steep learning curve involved and the functions are somewhat convoluted. On the other hand, PostGIS is so easy to use. The community is also an order of magnitude better and more helpful IMHO.
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<tt>What makes you unhappy about your PostGIS installation?</tt><br>
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Nothing.<br>
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Mark Thomas<br>
<a href="http://www.spatialguru.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.spatialguru.net</a><br>
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<i>"Commit to the Lord whatever you do, </i><br>
<i> and your plans will succeed." - Proverbs 16:3</i><br>
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