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GISIntroduction and Demo

26A

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In this class:

•

Introduction to GIS

• Structure of ArcGIS

•

Demo of ArcGIS 9.X

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GIS – Geographic Information System

•

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

•

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

•

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

•

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

•

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

•

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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