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Geodatabase: An IntroductionRudy Prosser
Jim Gough
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Getting startedGeodatabase: An Introduction
Overview
BasicExtended
Geodatabase
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Working with geodatabasesDemonstration
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Overview
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What is the geodatabase?Overview
Collection
Scalable
Programmable
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Why use a geodatabase?Overview
FunctionalityCustomizable
SimplePlatformIntegration
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Types of geodatabasesOverview
File*
Enterprise
File System
RDBMS
Single Editor
Multiple Editor
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Geodatabase workflowOverview
Update Create
Populate
Plan
Data models
Information models
ArcGIS Pro
ArcMap
Desktop
Portals
Mobile
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Geodatabase toolsOverview
ArcGIS Pro
ArcMap
Portal forArcGIS
ArcGISOnline
APIs
SDKs
Apps
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Creating a geodatabaseDemonstration
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Basic Functionality
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Basic Geodatabase Functionality
Data
Rules
• Subtype
• Domain
• Relationship
• Table
• Feature Class
• Raster
• Feature dataset
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Table (Object)Basic Geodatabase Functionality - Data
• Rows are unique objects
• Rows have same fields
ArcGIS-defined ID
User-defined ID
Number Object IDText Global IDDate RasterBLOB
• No spatial field
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Feature classBasic Geodatabase Functionality - Data
• Collection of features
- Same geometry type
- Same spatial reference
- Same attribute fields
Stores geometry
ArcGIS-defined ID
Geometry BLOBNumber Object IDText Global IDDate Raster
• Extended functionality
- Multi-part features
- Z and M values
- Annotation / Dimension
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RasterBasic Geodatabase Functionality - Data
• Cell / Pixel-based data
- Discrete / Continuous data
- Multiple formats
• Geodatabase
- Raster dataset
- Manage single raster
- Mosaic Dataset
- Manage multiple rasters
- Store as a catalog, view as a mosaic
- Advanced querying and processing
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SubtypeBasic Geodatabase Functionality - Rules
• Define categories / classes
• Set rules for each field by category
- Default values
- Domains
- Behaviors
• Property of tableor feature class
Subtype code (Integer)
Subtype description
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DomainBasic Geodatabase Functionality - Rules
• Specify valid values
- List of valid values
- Min and max value
• Apply to multiple attribute fields
• Property of geodatabase
Coded Value DomainFRC_DESC in (“Freeway or Other Major Road”, “Other Major Road”,…)
Range Domain -FRC between 0 and 5
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Relationship classBasic Geodatabase Functionality - Rules
• Define association between geodatabase objects
• 1:1, 1:M, M:N cardinalities
• Simple or composite
• Apply rules and attributes
• Edit across relationship
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Feature datasetBasic Geodatabase Functionality - Rules
• Collection of spatial datasets
• Specifies spatial reference
• Treated as a single object
• Necessary for
- Networks
- Topologies
- Terrains
• Not a folder
ParcelCorner
Parcel
ParcelAnno
LotLines
Parcel_Topo
LotDimensions
Subdivision
BoundryLines
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Exploring a geodatabaseDemonstration
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Extended Functionality
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Extended geodatabase functionality
Data
Models• Geometric Network
• Network Dataset
• Attachments
• Topology
• Parcel Fabric
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AttachmentsExtended geodatabase functionality - Data
• Associate 1 or more files witha geographic feature
- Stored within the geodatabase
• Accessible throughout the ArcGIS platform
- Open files types recognized by OS
- Download others
• Specialized implementation of arelationship class
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Geodatabase topologyExtended geodatabase functionality - Data
• Manage shared geometry
- Within a feature class
- Between feature classes
• Rules-based
- Select rules based on spatial relationships
- Apply rules by validating data
- Make corrections or mark exceptions
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NetworksExtended geodatabase functionality - Models
• Geometric and Utility Networks
- Use edges and junctions to model connectivity
- Resources are constrained by network
- Connectivity based on geometric coincidence
- Define connectivity rules
• Network Datasets
- Use edges and junctions to model transportation networks
- Resources make decisions on the network
- Include travel time, speed, turns
- Supports multimodal scenarios
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Parcel FabricExtended geodatabase functionality - Models
• Model and manage cadastral data
• Integrated data structure
- Control data
- COGO dimensions
- Parcel identification information
- Survey plans
Parcel Lines
Parcel Plans
Parcel Polygons
Parcel Points
Control Points
Line Points
Parcel Fabric
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Extending a geodatabaseDemonstration
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Conclusion
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Geodatabase: An IntroductionConclusion
Overview
BasicExtended
Geodatabase
• What is a geodatabase?
• Types of geodatabases
• Geodatabase workflow
• Geodatabase tools
• Data structures
- Table
- Feature class
- Raster
• Rules and relationships
- Subtype
- Domain
- Relationship class
- Feature dataset
• Attachments
• Geodatabase topology
• Geometric / Utility networks
• Network datasets
• Parcel fabric
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ResourcesConclusion
• Technical Workshops(Search agenda for “geodata”)
- Managing Your Distributed Geodatabase
- Planning an Enterprise Geodatabase
- Editing Multiuser Geodatabases: An Introduction
- Geodatabase Best Practices
- Geodatabase Administration: An Introduction
• Esri Showcase
- Spatial Data Management
- Hands-On Learning Lab
• GeoNet
- UC2017 Technical Workshop –Geodatabase: An Introduction
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