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Desktop GIS Viewer Race

Desktop GIS Viewer Race. New breed of lightweight easy-to-use viewers for GIS capabilities – somewhere between Desktop GIS and Internet Map Servers Build a functionality rich interface for browsing/consuming GIS data sources. Players. Google Google Earth 4.0 – http://earth.google.com ESRI

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Desktop GIS Viewer Race

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  1. Desktop GIS Viewer Race • New breed of lightweight easy-to-use viewers for GIS capabilities – somewhere between Desktop GIS and Internet Map Servers • Build a functionality rich interface for browsing/consuming GIS data sources http://aims.jocogov.org

  2. Players • Google • Google Earth 4.0 – http://earth.google.com • ESRI • ArcGIS Explorer – not available yet • Microsoft • Virtual Earth??? – nothing yet http://aims.jocogov.org

  3. Advantages Google • Exists • Efficient • KML • 3D Viewer • Data open source ESRI • Open source • OGC WMS, ArcWeb Services, Local Data, KML • 3D Viewer • GIS Analysis http://aims.jocogov.org

  4. Disadvantages Google • Not integrated w/ ESRI products/data • Interface not open source • Data editing/use limited ESRI • Vaporware • Efficiency??? • Native data format not open source http://aims.jocogov.org

  5. KML • Keyhole Markup Language http://earth.google.com/kml/index.html • Programming interface to manipulating GE maps • XML based format for storing geography • Open Source for the map configuration and data • Is not open source for the application interface http://aims.jocogov.org

  6. <?xml version="1.0" encoding="UTF-8"?> <kml xmlns="http://earth.google.com/kml/2.0"> <Placemark> <name>DP31000001 0002</name> <description> <![CDATA[Address: 450 E PARK ST<BR>Landuse: Elementary School<BR> <img src="http://ims.jocogov.org/docs/appr/pics/MVPictures\20040113/A7093726.jpg" width="175" height="127"> </description> <visibility>1</visibility> <LookAt> <longitude>-94.8131132906944</longitude> <latitude>38.8827947853329</latitude> <range>3000</range> <tilt>35</tilt> <heading>-359</heading> </LookAt> <Style> <IconStyle><Icon> <href>root://icons/palette-3.png</href> <x>160</x> <y>160</y> <w>32</w> <h>32</h> </Icon></IconStyle> </Style> <Point> <coordinates>-94.8131132906944, 38.8827947853329, 0</coordinates> </Point> </Placemark> </kml> http://aims.jocogov.org

  7. Integration Example http://aims.jocogov.org

  8. KML Polygon <Placemark> <name>Widget World</name> <description>Widget World Headquarters</description> <styleUrl>#FEATURES</styleUrl> <Polygon> <extrude>1</extrude> <altitudeMode>relativeToGround</altitudeMode> <outerBoundaryIs> <LinearRing> <coordinates> -94.90665600907092, 38.8148205322514, 19.8120002448559 -94.906828409309, 38.81498121535441, 19.8120002448559 -94.9068602278212, 38.814957889769, 19.8120002448559 -94.90732755817392, 38.8150845270803, 19.8120002448559 -94.90752537288709, 38.81463293618451, 19.8120002448559 -94.90757466359631, 38.8146382564395, 19.8120002448559 -94.9077048955315, 38.8143453615227, 19.8120002448559 -94.90733560928092, 38.814234033402, 19.8120002448559 -94.90732162264492, 38.8142562340813, 19.8120002448559 -94.90719020825659, 38.8142307401537, 19.8120002448559 -94.90718297414389, 38.814271918331, 19.8120002448559 -94.9071090566616, 38.8142639642749, 19.8120002448559 -94.90721086256203, 38.8141662609869, 19.8120002448559 -94.907277171825, 38.8141026203355, 19.8120002448559 – </coordinates> </LinearRing> </outerBoundaryIs> </Polygon> </Placemark> http://aims.jocogov.org

  9. ArcGIS Tools • Export to KML http://arcscripts.esri.com/details.asp?dbid=14273 • Home Companion http://bbs.keyhole.com/ubb/showthreaded.php/Cat/0/Number/345310 • KMLer http://www.kmler.com http://aims.jocogov.org

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