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An Introduction to GIS for developers
Part 2: GIS Data
Canserina Kurnia & Tom Shippee

Agenda
? ? ? ?

GIS data types Leveraging attributes Getting loc

ations from tabular data Power of the Geodatabase

ArcGIS a complete platform
“discover, use, make & share”

Content Mgmt
ArcGIS Online/Portal

Apps and applications

Back office GIS Services infrastructure ArcGIS Server

GIS Content & Analysis
ArcGIS Desktop

Content and services

Getting the information out…
Provides Geospatial Capabilities Across the Entire Organization

? ? ?

Mapping Analysis Visualization
Knowledge Workers

Managers

Citizens Deployed Users

Enterprise Integration

Professional GIS

. . . A Framework For Sharing, and Collaboration

Getting the information in…
Breaks down barriers to communication & collaboration

. . . Anyone can gain access to the information they need

Exploring GIS as a Platform

Data Fundamentals

Functionality

Sharing

GIS Data types
Vectors & rasters

Commonly used data in ArcGIS
Data type
Address CAD Elevation Geodatabase Imagery CSV, GPX, GeoRSS Shapefile Temporal X,Y or X,Y,Z
? Descriptive locations ? Street address, zip code, county, state ? Computer Aided Design ? Engineering and design drawings ? Height or depth in relation to reference surface such as mean sea level ? Many supported raster and vector formats ? Native format for ArcGIS ? Storage of features, tables, and behaviors in a relational database ? Aerial photos or satellite images ? Many supported raster formats ? Coordinate values stores in a file ? streaming location as part of a Web feed ? Simple format for storing point, line, and area features ? Time or date information for geographic locations ? Coordinate values ? May include elevation, or Z values

Description

Managing GIS Data

What is a geodatabase?
?

ArcGIS native data structure

Why use a geodatabase?
Rules and relationships Datasets Data integrity

Scale users

Geodatabase

Advanced datasets

Scale storage

Geoprocessing and geocoding Integrate with other databases

Working with versioned data
? Publish public version (DEFAULT)

Parks

? Next version of the data (QA)

Parks

Data versioning scenarios

?

Controlled data release

Public

Analyst

?

What if modeling & planning
(e.g., disaster management)
Public Flood

?

Project staging

Farmland

Residential

Replication enables efficient data copies

Source

Multiuser geodatabase

Data Change Set

Target

Leveraging attributes
Combining text & geometry

Spatial tables
? ?

Records correspond to features ObjectID and Shape fields

Nonspatial tables
? ? ?

No record-feature correspondence No Shape field May have OID field

Table Join
?

Symbolize countries based on UN data

Spatial table has no UN data

Nonspatial table has UN data

JOIN

A

Table Relates
?

Support one-to-many and many-to-many relationships between records

Spatial table Nonspatial table

Getting locations from non-spatial data
Geocoding addresses, zip codes, etc.

Adding x,y data
?

May exist in non-spatial tables
Address 1 Battery Park Plaza 2 Broadway 110 Pearl Street 55 Broad Street Zip 10004 10004 10005 10004 latitude 40.70317 40.70407 40.70447 40.70512 longitude -74.0145 -74.0131 -74.0094 -74.0114

GPS locations of Starbucks

…displayed as point layer

Geocoding
?

Get locations from addresses Create point features

?

NAME J. Maloney K. Hickman E. Palmer

ADDRESS 310 East Andreas Road 105 Maple Street 3109 Bell Square West

Location Analytics
?

Esri Maps for
-

IBM Cognos Microsoft Office Microsoft Sharepoint MicroStrategy Microsoft Dynamics CRM SAP Business Objects Salesforce (coming soon)

Geodata Behaviors
Domains, relationships & topology

Attribute editing validation
?

Data validation basics
-

Data type Default value

?

Domains control input values for a single field Subtypes classification enables power editing

?

Topology and geometry edit validation
? ?

Spatial relationship models Topology rules control data integrity

San Francisco is contained by California I-80 connects San Francisco and New York New York is adjacent to the Atlantic Ocean

Q&A
Thank you for attending… Online Survey:
Canserina Kurnia (ckurnia@esri.com) Thomas Shippee (tshippee@esri.com)



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  本文關(guān)鍵詞：光學遙感立體測繪技術(shù)綜述及發(fā)展趨勢，由筆耕文化傳播整理發(fā)布。