Download - Free and Open Source GIS
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Presentation by:Nico Elema
GIS Global Image (Pty) Ltdwww.globalimage.co.za
Free and Open Source GIS
www.globalimage.co.zawww.gipapyrus.com
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WHY Geographical Technologies?
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Because a map speaks a thousand words!
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What is a GIS?What is a GIS?
GIS is an abbreviation for geographic GIS is an abbreviation for geographic information system, which isinformation system, which is computer software that maps andcomputer software that maps and
analyzes geographic data analyzes geographic data
A GIS links location (spatial or maps) and A GIS links location (spatial or maps) and database (tabular) information and database (tabular) information and enables a person to visualize patterns, enables a person to visualize patterns, relationships and trends.relationships and trends.
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Polygonsi.e. Properties
What is a GIS?What is a GIS? (Continue)(Continue)
Pointsi.e.Trees
Linesi.e. water pipelines
Spatial or Map (Raster or Vector)This is a vector map… Database (Tabular)
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Still Defining GISStill Defining GIS
System
What do you need to use GIS?What do you need to use GIS?A full GIS, or geographic information A full GIS, or geographic information SYSTEMSYSTEM,, requires: requires:HardwareHardwareSoftwareSoftwareDataDataPeoplePeopleTrainingTrainingProcessesProcesses
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GIS ComponentsGIS Components
GIS
HardwareComputers, Networks, Printers, Plotters, Digitizers
SoftwareGIS software, Database software, OS software, Network software
DataVector, Raster, Images, Attribute
Methods or processesGuidelines, Specifications, Standards, Procedures
PEOPLEAdministrators, Managers, Technicians, End users, Consumers
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Ultimate definition of a GISUltimate definition of a GIS
It’s a TOOL.It’s a TOOL.
Oxford Dictionary defines a tool as:1. Instrument held in the hand and used for
working on2.Anything used to DO or ACHIEVE
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GIS is about DATA, not SOFTWARE
Data is information, Knowledge (or know-how) has to do with the process of learning, understanding, and applying information.
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Beekeeper
Source: James Dixon: Pentaho
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Source: James Dixon: Pentaho
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Source: James Dixon: Pentaho
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OSS Solution
•Unlimited desktop and browser users •GIS & Db License fees: R0.00 •(Excluding servers)
ESRI Solution:
•MS SQL; Oracle; PostgreSQL (database)•ArcGIS Server – Standard (SDE + Map serving on web)•ArcEditor (1 license)(Edit maps on desktop)•ArcView ( 15 nonc licenses (3 per LA)) for Desktop analysis
•PostgreSQL (database)•PostGIS (spatially enables PostgreSQL)•Mapserver (Internet map generator)•MapWindow GIS (desktop GIS analysis and capture)
•15 non-concurrent desktop users; unlimited browser viewers.•1 GIS user that can edit data.•
•Min GIS License fees:~R420 000.00 ~(US$ 53 800.00)(excluding server and Database software)
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Software Type GIS Software Database Software
Licensed software
• ESRI• MapInfo• AutoDesk MapGuide• IDRISI• Planet GIS
• Oracle• MS SQL• MS Access• ADABAS• Informix• dBase• Sybase
Proprietary software
MapMagic
Open Source Software
• MapWindow GIS• Quantum GIS (QGIS)• GRASS
•MySQL•PostgreSQL•OpenOffice.org base
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GIS software Free OpenSource Windows Mac OS X Linux BSD Unix Web
Autodesk No Yes No Yes No No Yes
CARIS No Yes No Yes Yes Yes Yes
Chameleon Yes Yes Yes Yes Yes Yes Yes
eica ERDAS IMAGINE Yes No Yes No No No Yes No
ESRI No Yes No Yes No Yes Yes
GRASS Yes Yes Yes Yes Yes Yes Yes via pyWPS
ClarkLabs IDRISI No No Yes No No No No No
Intergraph [1] No No Yes No No No CLIX Yes
Pitney Bowes MapInfo No Yes No Yes No Yes Yes
UMN MapServer Yes Yes Yes Yes Yes Yes Yes
Caliper Maptitude No No Yes No No No No Yes
MapWindow GIS Yes Yes Yes (ActiveX)
No No No No No
Oracle Spatial No No Yes Yes Yes No Yes Yes
Orbit GIS home NoFlash & AJAX & Javascript
PostGIS Yes Yes Yes Yes Yes Yes Yes Yes
Quantum GIS Yes Yes Yes Yes Yes Yes Yes Yes
Smallworld No No Yes No Yes ? Yes Yes
Caliper TransCAD No No Yes No No No No Yes
TerraLib TerraView Yes Yes Yes No Yes No No No
uDIG Yes Yes Yes Yes Yes No No No
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The power of a GIS:
Find all the market centres in Kenya that are within a 10km distance from major roads.
Problem: Kenya has more than 1600 towns. Which ones of them are market centres? How do I define a major road? I cannot go and measure, by vehicle or foot, the distance
each town is from the major road – IT WILL TAKE ME AGES!!
WITH A GIS IT CAN TAKE ME 5 minutes!
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GIS Application Development:
Papyrus Integrated GIS
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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Papyrus Integrated GIS
www.gipapyrus.com
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More GIS Magic!
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Census 2001 & Cadastre 2007
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Census 2001 & SPOT 2006/7
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2001 Census & 2006/7 SPOT Imagery
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IDENTIFYING HOUSEHOLD GROWTH 2001 - 2007
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QUANTIFYING HOUSEHOLD GROWTH 2001 - 2007
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CLASSIFYING FORMAL CADASTRE
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STATSSA DWELLING FRAME 2007
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Even more GIS Magic!
USHAHIDI
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www.ushahidi.com
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Stay in contact...
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Contact:
www.globalimage.co.za
www.gossrc.org
LinkedIn: NicoElema
Twitter: @TheGISguy