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/