gisclase2 eng
TRANSCRIPT
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GISIntroduction and Demo
26A
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In this class:
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Introduction to GIS
• Structure of ArcGIS
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Demo of ArcGIS 9.X
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GIS – Geographic Information System
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GIS software package for the manipulation andanalysis of spatial data
• ArcGISmost widely used package. LICENSED
• Freeware Q-Gis, Diva-Gis
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ArcGIS
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ArcGIS
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The ArcGis interface comprises three applications
• ArcMap
• ArcCatalog
• ArcToolbox
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ArcGIS
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ArcGIS
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ArcGIS
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ArcGIS
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The ArcGis interface comprises three applications
• ArcMap create maps, review attributes, perform spaanalysis
• ArcCatalog navigate folders, preview data, metadacreation
• ArcToolbox navigate tolos and extensions
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Extensions ArcGIS
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Spatial Analyst
create rasters, spatial analysis, slcontours, map algebra, etc.
• 3-D Analyst data management and analysis in 3
• Geostatistycal analyst data interpolation (pointcreate coverages (raster)
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Data in GIS
• Input previously compiled data in GIS compatible fmaps, tables, etc. You can create your own datageoreferencing photos, GPS data, Excel files, etc.
• Data management organization, editing, managemstored data
• Data analysis change visualization, modeling, spatianalysis, etc
• Outputmaps, graphs and tables
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Data types
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Vector
• Raster
• Tabular
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Example
• Research on“manakins” at PNYasuní.
• Objectives: determinethe effect of river proximity in hábitat use
and sightingfrequency.
• Data: GPS points ofcaptured individuals
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Manakins
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Manakins
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Manakins
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Manakins
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Manakins
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Manakins
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Data types
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Vector • Points• Lines
• Polygon
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Data types
• Raster • Coverages
• pixels
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GIS Applications
• You can apply GIS to answer questions such as:
• What is in…? (place)
• Where is…? (location)
• What has changed since …? (tendency)
• What pattern…? (pattern)
• What happens if …? (modeling)
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Examples
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Examples
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