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Dr. Roberto Flores Physics, Computer Science & Engineering Christopher Newport University Newport News, Virginia USA
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GK12 Education Spatial Thinking GIS Prototype Web-based GIS application What’s Next? University of Calgary - September 13, 2011 2
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NSF Committee astronomy, education, geography, geosciences & psychology “Learning to Think Spatially” (2006) http://www.nap.edu/openbook.php?isbn=0309092086 Spatial Thinking Form of thinking involving: Spatial Data Tools of Representation Processes of Reasoning University of Calgary - September 13, 2011 3
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NSF Committee astronomy, education, geography, geosciences & psychology “Learning to Think Spatially” (2006) http://www.nap.edu/openbook.php?isbn=0309092086 Spatial Thinking Form of thinking involving: Spatial Data Tools of Representation Processes of Reasoning University of Calgary - September 13, 2011 4 Attributes: location, dimension, continuity, … Relationships: separation, clustering, overlapping, … Temporal properties: static | dynamic Attributes: location, dimension, continuity, … Relationships: separation, clustering, overlapping, … Temporal properties: static | dynamic
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NSF Committee astronomy, education, geography, geosciences & psychology “Learning to Think Spatially” (2006) http://www.nap.edu/openbook.php?isbn=0309092086 Spatial Thinking Form of thinking involving: Spatial Data Tools of Representation Processes of Reasoning University of Calgary - September 13, 2011 5 to visualize… to manipulate… spatial geographical data to visualize… to manipulate… spatial geographical data
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GIS is a major technology but… …it is not for novice users Like teachers …it demands high-end hardware Unlikely to be found in GK12 schools Wish List University of Calgary - September 13, 2011 6
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Data GPS location Nutrients Nitrite (NO 2 ), Nitrate (NO 3 ), Ammonia & pH Macro-Invertebrates Some species more/less resistant to pollutants Sediments Turbidity blocks sunlight University of Calgary - September 13, 2011 7 http://gk12.cnu.edu/
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Client/Server Server hosts GIS software & data. Clients use interface to add & access data. NN School CNU University of Calgary - September 13, 2011 8 Clients Web browser & Adobe Flash Clients Web browser & Adobe Flash Server ArcGIS Server ArcGIS
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Data University of Calgary - September 13, 2011 Site TeacherStudentSchool SedimentNutrientMacro Invertebrate GPS point name name/initials name, extent name, latitude, longitude NO 2,NO 3,pH,ammonia,date biotic index, date value, date deployed, date collected 1 1+ * 1 1 * 1 *** 9
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Main Screen All users Login View Data University of Calgary - September 13, 2011 10
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Editing data Guest / Student / Teacher Login University of Calgary - September 13, 2011 11
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Editing data Main Screen (Teacher) Add One-day Pass View Verify University of Calgary - September 13, 2011 12
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Adding data Site Sediments Bugs Nutrients GPS Points Site University of Calgary - September 13, 2011 13
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Adding data GPS point Sediments Bugs Nutrients GPS Points Site University of Calgary - September 13, 2011 14
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Adding data Nutrients Sediments Bugs Nutrients GPS Points Site University of Calgary - September 13, 2011 15
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WISE Prototype Short-term: Exploring feasibility & functionality NSF Goal Long-term: Educators need a GIS app builder University of Calgary - September 13, 2011 16
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What do we mean by… Component-based Building-block functionality Scalable & Robust Customizable User-defined composition Collaborative Distributed system: Multiple locations Multiple participants (+privileges) Multiple devices Simple GUI Intuitive to use by novices (builders + users) Easy to deploy & maintain (using limited resources) University of Calgary - September 13, 2011 17
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Geographic Information System Software able to store, manipulate & display geographically referenced information (data identified by a location) University of Calgary - September 13, 2011 18 APPENDIX
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Data Properties Location Attributes Spatial relationships Data Models Vector: Point, Line, Polygon (area) Raster: pixel pictures (satellite images) Projections Mercator, et al. (be consistent) Query & Analyzing Pulling information from a GIS Overlaying & Buffering University of Calgary - September 13, 2011 19 For more: Google: GIS tutorial For more: Google: GIS tutorial APPENDIX
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