Download - Evolution of Esri Data Formats Seminar
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Evolution of Esri Data Formats
Rudolf De Munnik
Ross Solomons
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Seminar Outline
• Introduction
• Legacy Formats
• Demonstration
• Current Formats
• BREAK (15min)
• Demonstration
• Future Formats
• Demonstration
• Questions / Discussions
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Introduction
• Purpose of the seminar:
− History of formats.
− Awareness to the optimal usage of the
software and data formats.
− Purpose, advantages and disadvantages of
formats
− What the future holds…
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History Timeline
1982(ArcInfo)
Coverages
1986(PC ArcInfo)
Coverages
1991(ArcInfo)
GRID 1991(ArcCAD)
CAD
1991(ArcView 1)
Shapefiles
1999(ArcView 3.2)
Models, Extensions 1994(ArcInfo)
ArcStorm 1995(ArcSDE)
RDBMS
1996
(MapObjects)
1997(ArcView IMS)
Map Services
1999(ArcIMS)
Map Services 2001(ArcGIS 8.1)
Geodatabase
2006
(ArcGIS Server 9.2)
Map Services
ArcGIS 10.1
2012
Cloud
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Legacy Formats
• Organizational use:
− Projects and Departments
• Users:
− Data capturing and storage
Project Department
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Legacy Formats
• ArcInfo Coverages:
Model for the
Geodatabase
Feature Dataset
Topology:
- Build command
- Clean command
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ArcInfo Workstation
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Legacy Formats
• ArcStorm:
− Central storage and checkout editing
− Coverage based
− Tile structure
− Pessimistic locking of Tiles
− Checked out Tiles not available to other users
− Mapped network drives
− No Relational database
− Initial concepts for SDE
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• ArcSDE:
− Store Spatial data in a Relational Database
− Oracle, Informix, DB2
− Utilise Spatial Types (OGC)
− No Geodatabase functions
− No Feature Datasets
− Allow raster storage
− Rasters fast, but large.
− Raster duplication.
Legacy Formats
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Legacy Formats
• Shapefile legacy:
− Simple geographic data
format
− Big Demand for simple
storage
− Open Exchange format
− Adopted as standard
− Interoperability buzzword
− Point, Line and Polygon only
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Demonstration
• ArcInfo Workstation
• ArcView 3.2
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Current Formats Overview
• Organization: − Projects, Departments, Enterprise
• User: − Analysis and Consume
• Shapefile limitations
• Geodatabase advantages
• Services
• Mobile
• Cloud
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Organizational Use • Projects
− Shapefiles and File Geodatabase
• Departments
− Geodatabase (Oracle, SQL…)
• Enterprise
− Geodatabase (Oracle, SQL…)
− Services (ArcGIS Server)
Project Department Enterprise
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Shape file Limitations
Shapefile
• No Topology
• No Attribute validation
• Size limitation (2GB)
• No complex geometry
• No multiuser editing
• No Annotation
• DBF Limitations
− Data types e.g. date/time
− Field names 10 chars
− Blobs
Not using full potential of ArcGIS
Shap
efile
To Geodatabase
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Geodatabase Advantages
• What is a Geodatabase?
− Central storage and management location for
rich collection of spatial data,
− Sophisticated rules and relationships.
− Geoprocessing and symbology.
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Geodatabase Advantages
• Why use a Geodatabase? − Integration with RDBMS (Oracle, SQL..)
− Multi-user editing (versions)
− Topology rules and behavior
− Attribute validation (domains)
− Greater storage capacity
− Lower storage requirements
− Optimized performance
− Scalable (File GDB, SQL Express, Enterprise)
Leverage full potential of ArcGIS!!
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Geodatabase elements
Geodatabase
Additional geodatabase elements
Survey datasets Terrain datasets
GPS Datasets Schematics
Network datasets Representations
Raster datasets
Behavior Attribute defaults
Attribute domains
Split/Merge policy
Connectivity rules
Relationship rules
Topology rules
Tables
Spatial reference
Route
Dimension
Feature classes
Relationship classes
Topology
Geometric networks
Feature dataset
Raster mosaic
Polygon
Line
Point
Annotation
Toolboxes
Tool Model Script
Network datasets
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Geodatabase Design
• Domains, Attachments and Aliases
− Utilize on multiple platforms
− Design for editing in Desktop
− Design for Server applications
− Design for Mobile
Validation in attribute table Validation in Attributes dialog box
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Feature Dataset defined
• Logical grouping of Feature Classes that
participate in a behavioral function e.g.
Topology.
• Common coordinate system for all contained
Feature Classes.
• User permission set on Feature Dataset level.
• Feature Class name unique in Geodatabase,
not in Feature Dataset.
• Not to be used to organize data – not a
directory!
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Services
• Dynamic Services − Live content from Geodatabase
− View updates
− Interrogate data
• Cached Services − Predefined Tile schema at
various scales
− Stored as images in Tile structure
• Image Services − Single or mosaic images served
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Mobile
• Mobile (GPS) − High accuracy devices
− Data capture
− Ruggedized
− Purpose driven
− Workflow
− Geodatabase design
• Mobile (Smartphone) − Windows, Apple, Android
− Executive monitoring
− Planning
− Geodatabase design
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Online (Cloud) content
• Online content
− Image and Street
− Desktop, Server, Mobile
− Online access control
• Subscription
− Personal
− Organization
− Upload data/proc
− Applications and
Dashboards
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BREAK
• 15 Minute Break
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Demonstration
• Geodatabase:
− Elements
− Topology
− Network analysis
− Domains
− Representations
− Annotation
− Attachments
− Geometric Networks
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Demonstration
• Services
• Mobile
• Online content
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Future Formats
• Organizational use:
− Projects, Departments, Enterprise
− Societal
• Users
− Everyone
Project Department Enterprise
Societal
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Demonstration
• Social Media
• 3D Web Viewer (Braamfontein)
• 3D Web Viewer (Airport )
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Questions & Discussions
Thank You !