Geographical Information System What is GIS? A computer based tool - - PowerPoint PPT Presentation

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Sep 01, 2022 255 likes •782 views

Geographical Information System What is GIS? A computer based tool for mapping and analyzing things that exist and events that happen on earth. (ESRI) A computer system capable of assembling, storing, manipulating, and

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Geographical Information System

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What is GIS?

 “A computer based tool for mapping and

analyzing things that exist and events that happen on earth.” (ESRI)

 “A computer system capable of

assembling, storing, manipulating, and displaying geographically referenced information.” (USGS)

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Unique capabilities of GIS

 GIS stores related geographic features in

separate collections of files called map layers

 Map layers can be reused easily and

assembled into any number of map compositions and overlaid for analysis

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“A picture is worth a thousand words”

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Components of GIS

 Hardware : workstation, server, scanner,

printer, GPS data collection tools etc.

 Software: Core software (for data creation,

editing, analyzing), software extensions (for extended GIS capabilities), Web GIS software

 Data: Core of GIS. Two types of data

(Vector and Raster)

 People: GIS professionals

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What is the role of GIS in local government?

GIS supports all aspects of City Government

 Public Works  Community Development  Parks and Recreation  Law Enforcement and Public Safety  And more……..

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What does GIS do?

 Inventory of Assets  Tracking the Assets  Data Analysis  Project Planning  Event Planning  Disaster Planning  Economic Development Projections  Sustainability Analysis

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Asset Inventory Streets, Parcels, Sewer and Storm Drains, Stop Signs, Street Lights…….list goes on..

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Tracking condition

f your assets

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Project Planning

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Project Planning

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More Project Planning – Informing the Citizens

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Land Use Management

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Analysis Answering questions from planners, council members, businesses, residents

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Underutilized Parcels

Answering questions from planners

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Planning improvement projects

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Strategic development plans Exhibits for grants and RFQs

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Answer questions from council members

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A report exhibit

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Reference source for Law Enforcement and Public Safety

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Assisting Police Department

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And Fire Department

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Model a disaster

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Plan for disaster

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Transportation planning

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Economic development, environmental sustainability, job growth – all this the goal of this infrastructure study using GIS

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Special events planning

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Macro level planning

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SBCCOG GIS Working Group

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Street Centerline project

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Area G Fire Run Map Books

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Recent joint submission

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Collaboration with LA County

 LAR-IAC (Aerial Photography Consortium)  CAMS (Address Management System)  LMS (Location Management System)  Sanitation District’s Storm Drain Project

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http://solarmap.lacounty.gov/

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SBCCOG GIS Working Group What are some of the challenges

 GIS capabilities in cities in South Bay vary  Data interpretation  Resources

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LA County GIS Data Portal http://egis3.lacounty.gov/dataportal/ LA County Regional Planning GIS-NET http://planning.lacounty.gov/gisnet EPA www.epa.gov/geospatial Geography Network http://www.esri.com/software/geographynetwork/index.html ESRI http://www.esri.com/ Some Data Sources