Geodatabase: The ArcGIS Mechanism for Data Management
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Geodatabase: The ArcGIS Mechanism for Data Management

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This presentation is about understanding the content that goes into a geodatabase, advantages of using geodatabases, data management and maintaining data integrity.

This presentation is about understanding the content that goes into a geodatabase, advantages of using geodatabases, data management and maintaining data integrity.

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Geodatabase: The ArcGIS Mechanism for Data Management Geodatabase: The ArcGIS Mechanism for Data Management Presentation Transcript

  • Geodatabase: The ArcGISMechanism for Data ManagementSabata Mcatshulwa and Liezel Botha
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Patterns of an Enterprise GIS Data Management Collect, organise & exchange data Stakeholder Planning & Engagement Analyses Get feedback Transform data and make in to actionable informed information decisions Complete Integrated Systems Operational Awareness Field Mobility Disseminate Get information knowledge into & out of the where & when it field is needed ArcGIS Addresses common organizational needs
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Cartographic Representations• For storing Complex symbology Rule-based In the geodatabase Requires an ArcEditor or ArcInfo license
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Relationship feature classes • Ensures Referential integrity • Cardinality: − one-to-one − one-to-many − many-to-many • Rule based
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Raster Data Raster Datasets • Raster datasets can be: − Individual raster datasets − Mosaicked together − Grouped into mosaic datasets − Grouped into catalogs
  • Raster DataRaster Catalog − Collection of raster datasets stored in geodatabase − A raster catalog is typically used to display adjacent fully overlapping, or partially overlapping raster datasets without having to mosaic them into one large raster dataset
  • Raster DataMosaic Datasets• Store, manage, view and query small to vast collections of raster and image data• Dynamic Mosaicking• Optimized Data is stored as a catalog and viewed as a mosaicked image
  • Demonstration
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Complex feature classesTopology• Relationships between coincident features• Ensures data integrity• Rule based − Constrain how features share geometry
  • Complex feature classesTopology – New 10.1 Tools• Align To Shape• Replace Geometry Tool• Align Edge Tool• Topology Edit Trace Tool• Reshape multiple edges at once
  • Complex feature classesGeometric Networks• Model common networks and infrastructures found in the real world• Examples: − Water distribution − Electrical lines − Gas pipelines − Telephone services − Rivers/Streams• Network Tracing − Upstream/downstream − Finding connected/disconnected features
  • Demonstration
  • Presentation Outline Cartographic Representations Relationship feature classes Raster Data Complex feature classes Versioning and Distributed GDB
  • Versioning and Distributed GDB
  • Versioning and Distributed GDB Feature edit tracking Editor • name of the user who created it Tom • date and time it was created Bill Joe • name of the user who edited it • date and time it was last edited
  • Versioning and Distributed GDB What is a Version?
  • Versioning and Distributed GDBPrivileges Dialog• See all privileges on a dataset• Bulk grant and revoke to users and roles
  • Versioning and Distributed GDB Scripting Administration
  • Versioning and Distributed GDBReplication
  • Versioning and Distributed GDBArchiving Provides the functionality to record and access changes made to all or a subset of data in a versioned geodatabase• What was the value for a specific attribute at a certain moment?• How has a particular feature or row changed through time?• How has a spatial area evolved over time?
  • Demonstration
  • Discussion