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ArcGIS Intro
Transcript
Shapefiles (ArcView) - no topology
Coverages (ArcInfo) - topology
Geodatabases (ArcGIS) - enhanced topology
Browse spatial data
own computer
network
internet
Search for spatial data
Preview and add to ArcMap
Organise data
Documenting (Metadata)
GIS
Languages of:
Organization and Icons
3 Major Datatypes in ArcGIS
Maps
Graphs
Data sets
Geoprocessing
Scripts
Metadata
Shapefiles
Coverages
Geodatabases
- Newest format
- Stored in single database file
- Rely on database system to operate (MS Access or other RDBMS)
- Supports advanced capabilities
- True curves
- Store rules
Layers
Reference spatial data
Store information how they are to be displayed
Can be raster or vector
Images
Tables
- Can be a stand-alone table, not part of a spatial dataset
- Dbf, comma-delimited, ArcInfo’s INFO files
Grids
TINs
CAD Drawings
- Can be read
- Must be converted before editing or analyzing
Internet servers
- To connect, you need the URL (e.g. www.geographynetwork.com)
- Image service for display only
- Feature service for analysis and editing
Structure of vector data objects differ
ArcGIS Applications
ArcCatalog
- find
- preview
- document
- organize
ArcGIS is Scalable
ArcMap
- create maps
- view, edit, query
- analyze
ArcToolbox
- geoprocessing tools
ArcView - View data and do edits on Shapefiles and simple databases
ArcEditor – do more complex edits on enterprise databases
ArcInfo – the full system, with access to workstation ArcInfo (i.e. ArcInfo version 7)
ArcCatalog
Tool for:
View Data
(like Windows Explorer)
Graphical Preview
Metadata
Tables
Choose a template
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