Experience with Online Teaching with Open Source MOOC Technology
Teaching with Open Source Software
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Transcript of Teaching with Open Source Software
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Teaching with Open Source Software
Richard E. PlantDepartments of Biological and Agricultural Engineering
and Plant SciencesUniversity of CaliforniaDavis, CA
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Definition of a geographic information system:
“a computer system capable pf assembling, storing, manipulating, and displaying geographically referenced information, i.e., data identified according to their locations.”(Lo and Yeung, Concepts and Techniques in Geographic Information Systems 2007, p. 2)
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Spatial Data
Georeferenced data consists of two components: Aspatial component: the phenomenon
or phenomena being recordedThis is called attribute data
Spatial component: the location and spatial properties of the phenomenonThis is called geographic data
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The components of a GIS
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Applications of GIS
Display of thematic maps resulting from the analysis of geographic processes
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Example: change detection in a California oak woodland
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Aerial Photos
1952 1993
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Georegistered
1952 1993
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Map algebra result
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ArcGIS: The “Big Daddy”
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Quantum GIS: an open source alternative
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Course labs
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QGIS Version
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Graduate seminar (run by TAs)
Each week One student presents the week’s lab All students work the lab Students turn in comments and
criticisms
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Problems
Buggy software Not ready for prime time
Necessary to carry out many operations in R
Version inconsistency
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Benefits
Anticipated I got a constructive criticism of the labs The students learned an ArcGIS alternative
Unanticipated Some of the students really got into it
Enthusiasm for subject Student involvement in program development
Contact with developers Sense of ownership and participation Sense of shared challenge among the
students Continuation of seminar into other open source
programs
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Thank You!