General Introduction of FOSS4G and OSGeo

Let’s Grow Together!!
- A general introduction of Open Source GIS & OSGeo -

19th, Sep, 2012
AGF Open Source Session

Gaia3D, Inc.
Shin, Sanghee(shshin@gaia3d.com)

I. Overview of Open Source SW
I-1. What is Open Source SW?
q  Open source SW(OSS) is the computer SW that is available in source code form under certain licenses.
q  Users of OSS are permitted to use, copy, study, change, improve and even redistribute those OSS freely.
q  ‘Free’ does not mean ‘Free of Charge’ but ‘Freedom’

Freedom
Of
Software

Freedom Freedom
of of
Use Redistribute

Freedom Freedom
of of
Copy Modify

AGF 2012 – Open Source Session Presentation 19/09 3 Shin, Sanghee(shshin@gaia3d.com)

I-2. Cathedral vs. Bazaar
q  Open Source Software Development Model
<Closed Development> <Open Development>

Cathedral Bazaar

In-House Collaborative
Development Development

Leverage own knowledge Leverage others knowledge too

§  Designed and developed by inside R&D lab §  Designed and developed with other outside partners
§  Inside knowledge, intellectual property, experiences §  Inside knowledge + outside knowledge
§  Idling knowledge, limited leveraging outside knowledge §  ‘We are smarter than Me!!’

è  Leveraging inside & outside knowledge

I-3. Open Source SW vs. Freeware
q  Open Source SW vs. Freeware

OSS Freeware

•  Users have the right to access & modify th •  Freeware is usually distributed in a form of
e source codes. binary at ‘Free of Charge’, but does not op
en source codes itself.
•  In case original programmer disappeared,
users & developer group of the S/W usuall •  Developer of freeware could abandon dev
y keep its support to the S/W. elopment at any time and then final versio
n will be the last version of the freeware. N
•  OSS usually has the strong users & develo o enhancements will be made by others.
pers group that manage and maintain the
project •  Possibility of changing its licensing policy

§  OSS is different from Freeware

§  Antonym of OSS would be ‘Closed Source S/W’ or ‘Proprietary S/W’

§  Recently OSS is also regarded as ‘Commercial S/W’


I-4. Benefits of Open Source SW
q  Benefits of Open Source Software purported by OSS Community
§  Save money, save resources, increase stability, access to source code, access to skilled community of dev
elopers

1. Technological 2. Economical 3. Business 4. Other
Aspects Aspects Aspects Aspects

Rapid development of high- Very low adoption cost Extend company’s product Reduce energy
class SW s portfolio
Reduce SW development Self-Satisfaction
Increased stability by skilled cost Open up new market by pr
community review oviding diversified services Help society
Easy to customize & products
Reduce technological gap t
o leading proprietary SW co Reuse successful story Improve brand image of co
mpany mpany

Internalize outside SW deve
loper resources

Develop the society by sharing technology & outcomes!!


I-4. Benefits of Open Source SW
q  Open Source Advantages over Commercial SW
§  Open source’s price tag is clearly important driver. OSS is practically cheaper than commercial one.
§  57% said that accessibility to source code really matters and 41% cited community code review as an imp
ortant benefit over proprietary.

è  Price & open source code are key factors!
Price 80%
Source Code Access 57%
Community Code Review 41%
Don’t Know 20%
Bug Fix Turnaround 18%
Security 15%
Code Quality 15%
Best Product Functionality 15%
Easier to Adopt in Organization 10%
Other 6%
IP Protection 5%
* Source : Barracuda Networks 0% 20% 40% 60% 80% 100%


II. Open Source GIS
II-1. What is Open Source GIS?
q  Open Source GIS
•  FOSS4G : Free Open Source Software for Geo-Spatial
•  GeoFOSS : GeoSpatial Free Open Source Software


II. Open Source GIS
II-2. Why Open Source GIS?
q  Current State & Needs of Open Source GIS

Current State

ü  Boom-up of Open Source & Open Source GIS
- Around 300 ~ 400 Open Source GIS projects are available (Freegis.org, 2011)

ü  Advance of Open Source GIS
- OSGeo Foundation : Commercial proprietary GIS SW can be replaced with Open Source GIS
- Google used Open Source based GDAL in its Google Earth program
- AutoDesk opend the source code of MapGuide, FDO & MetaCRS and then donated those to OSGeo
- ESRI actively used GDAL and also changed its ArcGIS GeoPortal Server to Open Source based one

ü  Active adoption of Open Source GIS in UN, EU, USA , Canada and other countries

Necessity

ü  Want to meet lots of needs of GIS from public sectors

ü  Want More with Less!!

ü  Want to replicate other people & institution’s experience

ü  Want to manage & modify the system by ourselves!!


II. Open Source GIS
II-3. Characteristics of GIS
q  Characteristics of GIS

§  GIS = Vertical Set of Many Software
•  Interoperability is very crucial among components
•  Linux, Apache, PHP are Horizontal based Software
•  GIS is Vertical Architecture based one from DB to web client

§  GIS as Public Infrastructure = Spatial Data Infrastructure
•  Vendor neutral, standard based architecture is very important
•  Active standardization by ISO, OGC

§  Open Source GIS as another Lego Block
•  Active implementation of “Standard Compatibility” by Open Source GIS
•  Open Source GIS could replace commercial proprietary SW/Components


II. Open Source GIS
II-4. GIS : Vertical Set of Many Software
q  Characteristics of GIS : Vertical Set of Many Software

Client ArcMAP Google Earth QGIS Web

Interface WMS WFS WCS CSW

Middleware ArcTMS TMS GeoWebCache

Server ArcServer ArcSDE GeoServer MIP

DBMS Oracle PostgreSQL

Data Map Image DEM


II. Open Source GIS
II-5. Another Lego Block
q  Open Source GIS as Substitute for Proprietary Software

ArcReader Viewing uDig, GRASS, gvSIG, QGIS, OSSIM

ArcMap/ArcGIS Cartography uDig, GRASS, gvSIG, QGIS, OSSIM

ArcINFO/ArcGRID Analysis GRASS, OSSIM, SEXTANTE

ArcPad Devices gvSIG mobile

ArcSDE Database PostGIS

ArcIMS Web Mapserver, GeoServer, DeeGree

ArcGIS Server Spatial Server GRASS, SEXTANTE

VB, Python Scripting PHP, Python, Perl, C#.net, etc…

•  Source : Prof. Kwangwoo Nam

III. Open Source GIS Projects
III-1. FOSS4G Projects
q  FOSS4G Projects under OSGeo Umbrella

Geospatial Web
Libraries Mapping

Metadata Desktop
Catalog GIS


q  C Tribe

TerraLib
PostGIS

MapGuide GEOS

OSSIM

GRASS OGR/GDAL

Mapserver
Proj4
QGIS
FDO
GMT

•  Source : Tyler Mitchell

q  Java Tribe

gvSIG
GeoAPI
OpenMap

uDig
GeoTools
GeoServer

JUMP JTS Topolog
y Suite
DeeGree


q  .Net Tribe

MapWindow Proj4
Proj.Net
WorldWind
NTS JTS
SharpMap

GDAL

OGR


q  Web Tribe

Ka-Map

CartoWeb Mapserver

MapBender WMS

MapBuilder

OpenLayers TileCache

FeatureServer PostGIS
GeoExt

MapFish Geoserver

OpenScales ExtJS


III-2. FOSS4G Based NSDI
q  FOSS4G Based SDI Architecture


q  FOSS4G Ecosystems
QGIS Map Window Open Layers GeoExt
Client
uDIG World Wind Open Scales Map Fish

OWS Interface

Middleware Squid TMS GeoWebCache

Server MapServer MapGuide GeoServer Deegree

GRASS GeoNetwork
DBMS PostgreSQL + PostGI
S

Data Open Street Map Open Aerial Map GeoNames


q  Geo Bolivia
•  Pursuing Open Source GIS based NSDI


q  EU : INSPIRE
•  Hybrid model by mixing proprietary and foss4g EU : INSPIRE


III-3. Real Cases
q  IGN, France

http://www.ign.fr

è  Managing more than 100M spatial entities using PostGIS

III-3. Real Cases
q  MassGIS, USA

http://maps.massgis.state.ma.us/map_ol/moris.php?Yes=Yes

è  Using PostGIS, GeoServer, GeoExt with ESRI Products

III-3. Real Cases
q  National Broadband Map, FCC of USA

http://www.broadbandmap.gov/

è  Using PostGIS, GeoServer, OpenLayers

III-3. Real Cases
q  TriMet, Portland USA

http://trimet.org/

è  Using PostGIS, GeoServer, OpenLayers

III-3. Real Cases
q  Open Source GIS Adoptions in Korea


III-4. Open GeoData
q  Open Street Map

è  OSM is made & published by people’s participation!!

IV. OSGeo(Open Source GeoSpatial)
IV-1. General Information
q  OSGeo General

OSGeo
- Open Source Geospatial Foundation

•  Established in Chicago, US on 4th February
, 2006.

•  Mission : To support the collaborative devel
opment of open source geospatial software
, and promote its widespread use.

•  OSGeo is a NPO that is functioning as com
munity of communities.


IV-2. Goal & Activities
q  Goal & Activities of OSGeo

Goal Activities

ü Provide resources for FOSS4G projects ü Support FOSS4G on a global scale
- Infrastructures
- Legal ü Support local activities and capacities
- Financial
ü Facilitate inter-project communication
ü Promote free and open geospatial data
ü Build a solid market for business and users
ü Create and maintain a quality brand
ü Interface with industry and academia
ü Create and promote free curriculum
ü Support the education of domain experts not <bra
ü Promote and contribute to standards nd specialists>

http://www.osgeo.org

IV-3. Governance Structure
q  Governance Structure of OSGeo


IV-4. Activity Meter
q  OSGeo Activity Meter

Mailing Lists

Unique
Year No. of Lists Subscribers
Subscribers

2008 106 13,323 10,410

2009 137 20,640 12,904

2010 164 27,504 15,423

2011 183 32,109 19,471

Source : http://lists.osgeo.org


IV-5. Incubation
q  OSGeo Incubation
•  Efforts for ensuring high quality open source GIS development
•  A kind of project health inspection

1 Have a successfully operating open and collaborative development community

2 Have clear IP oversight of the code base of the project

3 Adopt the OSGeo principles and operating principles

4 Are mentored through the incubation process


IV-5. Incubation
q  OSGeo Incubation Projects Statistics

Period Projects Lines of Code Contributors 12mo Contrib.

2007-00 4,700,000 182

2008-11 15 7,766,360 442 279

2009-10 16 13,406,517 547

2010-03 19 12,211,439 636 299

2010-08 19 12,767,587 657 301

2011-09 19 15,793,310 743 269


IV-6. OSGeo Live
q  Enterprise Ready Open Source GIS Stacks


IV-7. Conferences
q  FOSS4G Conference
•  Annual largest open source GIS conference hosted by OSGeo
•  FOSS4G 2013 will be held at Nottingham, UK


V. Wrap-up
V-1. Wrap-up

Advance of Ope • Open Source GIS is now comparable with commercial proprietary GIS
n Source GIS • Open Source GIS is now actively adopted & used all around the world

• Open Source GIS is basically free.
Cost Reduction
• The price of commercial Open Source GIS is lower than proprietary one

• Almost all the Open Source GIS is compliant with OGC standards
Interoperability
• Open Source GIS can be used with existing proprietary GIS

Opened • Anybody can modify & upgrade the system from the source code level
Source Code • Can easily replicate or migrate success cases to their system

• Collaboration, sharing & community based SW development model

Collaboration • Source code will be managed by community not by company
based SW • Neutrality from specific technology or company
• Anybody can join and contribute to Open Source GIS with OSGeo


General Introduction of FOSS4G and OSGeo

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