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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

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