bcs talk notes
TRANSCRIPT
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Open Source Geospatial and the OSGeo Foundation
British Computing Society Geospatial and Open Source Specialist Groups
22nd January 2009
Joanne CookSenior IT Support and Development OfficerOxford Archaeology/OA [email protected]+44 (0)1524 880212
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Part 1: Introduction
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Open source is a development
method for software that harnesses the power of distributed
peer review and transparency of
process.
“
”© David Erickson
The OpenSource Initiative http://www.opensource.org/
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The promise of open source is better quality, higher reliability, more
flexibility, lower cost, and an end to predatory
vendor lock-in.
“
”© Henri Moltke
The OpenSource Initiative http://www.opensource.org/
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1975 1980 1985 1990 1995 2000 2005 2010 2015 2020
Map Overlay and Statistical System (MOSS)Geographical Resources Analysis Support System (GRASS)
PROJ4 library PostgreSQL (spin-off of Ingres RDBMS)
Open GRASS Foundation (OGF) founded OGF re-structured as Open Geospatial Consortium (OGC)
UMN MapServer
International team takes over GRASS development
PostgreSQL goes open source
Geotools java toolkit
OGC simple features specification
GDAL/OGR
GRASS license changed to GNU GPL
OGC Coordinate Transformation Services (CTS) specification
OGC Web Map Server (WMS) specification
PostGIS
Quantum GIS GEOS library
OGC Web Feature Server (WFS) specification
OGC Geography Markup Language (GML) specification
OGC Styled Layer Descriptor (SLD) specification
Geoserver 1.0
GvSIG
ISO approved WMS Specification
Mapguide Open Source
Open Source Geospatial Foundation founded
OpenLayers
Tiling protocol for tiling web-based maps
Mapfish framework for OpenLayers
Open source GIS timeline(based on http://wiki.osgeo.org/wiki/Open_Source_GIS_History)
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Support and standards
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Current state of play
4.6m lines of code182 contributors1,253 person-years$69,000,000(as of FOSS4G 2007- T Mitchell)
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The Open Source Geospatial Stack
© Geonetwork
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PostgreSQL and PostGIS
Example of PostgreSQL/Postgis working together, providing soil informationfrom the California Soil Resources Lab
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Map Servers
An example of a basic mapserver-driven website from sandre.eaufrance.fr
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Desktop GIS
Screenshot of GvSIG showing vector capabilities and attribute data
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Web-based GIS
Mapfish/OpenLayers powered site from the UNHCR
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OpenOffice Base
Spatial data from PostgreSQL viewed in OpenOffice Base
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Part 2: Case-Study
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Commercial archaeology: A misnomer?
Demanding requirements (lots of data, high-level analytical requirements, difficult working conditions)
...but...
financially unattractive to software companies
© Oxford Archaeology
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Oxford Archaeology:An open approach
Open access to dataOpen standards for file formatsOpen source software
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Opportunity anddiversification: Consultancy
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Opportunity anddiversification: Hardware
© Juan Lucas Domínguez Rubio
The openmoko phone, with flexible keyboard, showing mobile GIS and GPS capabilities
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Opportunity anddiversification: Software
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Part 3: OSGeo
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What OSGeo can do for you: Developers
Provide resourcesQuality assuranceSupport use and contribution from the worldwide community Encourage communication and cooperation between communities on different language and operating system platforms
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What OSGeo can do for you: Users
Promote the use of open source software in the geospatial industryMake software more accessible to end usersPromote freely available geodataProvide support for the use of OSGeo software in education
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What OSGeo can do for you: FOSS4G
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Local chapters for local people
The japanese language chapter: providing localisation of OSGeo software
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UK local chapter: Now official!Objectives:
Provide a forum for discussion and promotion of open source geospatial software in the UK, and provide networking opportunities for developers and usersHelp more UK organisations discover the opportunity of open source geospatial tools, and collate business studies of successful transitionsRaise awareness of the benefits of public access to geodata in the UK by collating links to sources of legitimate free data
In addition we would like to work towards the following:
A fully-featured open access UK SDISomeday hosting the FOSS4G conference in the UK
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Open Source GIS in the UK, 2009
First Open Source GIS UK Conference
Centre for Geospatial Science, University of Nottingham
22nd June 2009
http://www.opensourcegis.org.uk/
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Thank You!
oadigital.netwww.osgeo.orgwiki.osgeo.org/wiki/United_Kingdom
This work is licenced under the Creative Commons Attribution-Share Alike 2.0 UK: England & Wales License. To view a copy of this licence, visit http://creativecommons.org/licenses/by-sa/2.0/uk/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California 94105, USA.
Joanne CookSenior IT Support and Development OfficerOxford Archaeology/OA [email protected]+44 (0)1524 880212