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Learning ArcGISLearning ArcGIS
Setting up your projectSetting up your project
• What format – files, geodatabaseWhat format – files, geodatabase• Naming conventionsNaming conventions• Data DictionaryData Dictionary• Projection – spatial referenceProjection – spatial reference• ScaleScale• metadatametadata
DataData
• Used to be the Most Costly (time and money) part of a Used to be the Most Costly (time and money) part of a GISGIS
• Internet has made a differenceInternet has made a difference• Many sitesMany sites• Many formatsMany formats• Many things to considerMany things to consider
Data ManagementData Management
ArcGISArcGISApplicationsApplications
GeodatabasesGeodatabases
ArcSDEArcSDE
FilesFilesShp, Cov, ImageShp, Cov, Image
Simple Projects using file folders Simple Projects using file folders
Object ModelObject Model
Geodatabase Diagram
Geodatabase ModelGeodatabase Model
FeatureFeature Geographic ObjectGeographic ObjectRow in DBMS TableRow in DBMS Table
GeodatabaseGeodatabaseCollection of FeatureDataSetsCollection of FeatureDataSets
FeatureDataSetFeatureDataSetCollection of FeatureClassesCollection of FeatureClasses
FeatureClassFeatureClass Collection of FeaturesCollection of Features
Spatial ReferenceSpatial Reference
• Defines feature class coordinatesDefines feature class coordinates– Required for stand-alone feature classes and feature datasetsRequired 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
GIS DataGIS Data
• http://seamless.usgs.gov/http://seamless.usgs.gov/
Seamless Tutorial - Seamless Tutorial - http://seamless.usgs.gov/tutorial.asphttp://seamless.usgs.gov/tutorial.asp
Some States have good GIS Data – not all doSome States have good GIS Data – not all do
Geography Network Geography Network http://www.geographynetwork.comhttp://www.geographynetwork.com
Shaded Relief – ArcIMSShaded Relief – ArcIMShttp://www.esri.com/data/download/usgs_ned/access.htmlhttp://www.esri.com/data/download/usgs_ned/access.html
Google it!Google it!
• NOOANOOA• NASANASA• EPAEPA• National Hydrology Dataset National Hydrology Dataset • National AtlasNational Atlas• National MapNational Map• American Fact Finder American Fact Finder
Learning ArcGISLearning ArcGIS
• ESRI Press BooksESRI Press Books– Basic – GIS Tutorial, Getting to Know ArcGISBasic – GIS Tutorial, Getting to Know ArcGIS
• ESRI Training and EducationESRI Training and Education– Instructor Lead, Virtual Campus Course, SeminarsInstructor Lead, Virtual Campus Course, Seminars
ArcUser magazine – online, including tutorialsArcUser magazine – online, including tutorialswww.esri.com/arcuserwww.esri.com/arcuser
Tutorials available through ArcGIS Help Online from Tutorials available through ArcGIS Help Online from software helpsoftware help
Data and exercises Data and exercises
ArcGIS 9.2 Desktop Help onlineArcGIS 9.2 Desktop Help online
ArcGIS Online for ArcGIS and ArcGIS ExplorerArcGIS Online for ArcGIS and ArcGIS Explorerhttp://arcgisonline.esri.com/http://arcgisonline.esri.com/
ArcGIS ExplorerArcGIS Explorerhttp://resources.esri.com/arcgisexplorer/http://resources.esri.com/arcgisexplorer/