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Published byMoses Harvey Modified over 9 years ago
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Learning ArcGIS
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Setting up your project What format – files, geodatabaseWhat format – files, geodatabase Naming conventionsNaming conventions Data DictionaryData Dictionary Projection – spatial referenceProjection – spatial reference ScaleScale metadatametadata
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Data Used to be the Most Costly (time and money) part of a GISUsed to be the Most Costly (time and money) part of a GIS Internet has made a differenceInternet has made a difference Many sitesMany sites Many formatsMany formats Many things to considerMany things to consider
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Data Management ArcGISApplications Geodatabases ArcSDE Files Shp, Cov, Image
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Simple Projects using file folders
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Object Model Geodatabase Diagram
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Geodatabase Model Feature Geographic Object Row in DBMS Table Geodatabase Collection of FeatureDataSets FeatureDataSet Collection of FeatureClasses FeatureClass Collection of Features
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Spatial Reference Defines feature class coordinatesDefines feature class coordinates –Required for stand-alone feature classes and feature datasets Consists of:Consists of: X Y Geographic coordinate system Projected coordinate system Coordinate domains for X/Y, Z and M Shape of the earth Radius, spheroid, etc. NAD83, HPGN, etc. You may change 3D earth to 2D map Origin, units, etc. Lambert, Albers, etc. You may change Controls coordinate storage! Precision Extent You may not change
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GIS Data http://seamless.usgs.gov/http://seamless.usgs.gov/
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Seamless Tutorial - http://seamless.usgs.gov/tutorial.asp
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Some States have good GIS Data – not all do
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Geography Network http://www.geographynetwork.com
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Shaded Relief – ArcIMS http://www.esri.com/data/download/usgs_ned/access.html
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Google it! NOOANOOA NASANASA EPAEPA National Hydrology DatasetNational Hydrology Dataset National AtlasNational Atlas National MapNational Map American Fact FinderAmerican Fact Finder
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Learning ArcGIS ESRI Press BooksESRI Press Books –Basic – GIS Tutorial, Getting to Know ArcGIS ESRI Training and EducationESRI Training and Education –Instructor Lead, Virtual Campus Course, Seminars
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ArcUser magazine – online, including tutorials www.esri.com/arcuser
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Tutorials available through ArcGIS Help Online from software help Data and exercises
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ArcGIS 9.2 Desktop Help online
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ArcGIS Online for ArcGIS and ArcGIS Explorer http://arcgisonline.esri.com/
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ArcGIS Explorer http://resources.esri.com/arcgisexplorer/
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