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GISCO – Spring, 2015
QGIS Open Source
Desktop GIS
Dave Murray, GISP
GIS Coordinator
City of Westminster
2
Introduction
• Scope of Presentation
• Why consider QGIS
• Benefits
• Obstacles
• Training materials
• Next steps
3
GISCO – Spring, 2015
4
QGIS Use
• Who has used QGIS?
• I’m here to learn from YOU!
5
QGIS?
• Not trying to sell you anything
6
QGIS?
• More Tools In our Toolbox
7
QGIS?
• Linkedin Discussion Kevin Hone
– we typically use the tool to learn the
concepts instead of the other way
around
– I may know how to create a convex
hull polygon with one tool, but if I had
to do it with a different tool, I wouldn't
know where to start because I didn't
learn to do it with this other tool.
https://www.linkedin.com/groups/what-is-best-GIS-software-
49657.S.5994554822773272579?view=&item=5994554822773272579&type=member&gid
=49657&trk=eml-b2_anet_digest-hero-1-hero-disc-disc-
0&midToken=AQFqIVLI2OXPRQ&fromEmail=fromEmail&ut=25qGCidJBNzmI1
8
QGIS
• Limits
9
Disclaimer
• We are currently not using QGIS at the
City of Westminster
Why?
• Many reasons but the business case does
not demand it at this time
• May change in the future?
• Data lock-up is one reason
• Training is another big issue –I’m working
on it
10
Why Consider QGIS?
• Even with an Enterprise Licensing
Agreement (ELA) there are limits
11
How to Approach FOSS4G
• Commercial Vendors
12
How to Approach FOSS4G
• Commercial Vendors
13
How to Approach FOSS4G
• Open Source
14
Rob Pitts of Newlight Tech
• What is
15
How to Approach FOSS4G
• Import Revolution of the 60s
16
How to Approach FOSS4G
17
My Story
• Began using workstation ArcInfo on DG
UNIX in 1993
• Have only used commercial products
during my career
• Instructed GIS courses in commercial
technology for 12 years at the University
of Colorado at Denver
• Currently instructing a FOSS4G course at
UCD
18
My Story
19
My Story
• Attended my first FOSS4G conference in
2007 – Victoria, B.C.
– Still focused on the code
20
FOSS4G Ecosystem
• Initial investigations
21
My Story
• Just too much of a headache
22
My Story
• Limits
23
My Story
• 2011 – FOSS4G International in Denver
• 2013 – FOSS4G NA – Minneapolis
• 2014 – FOSS4G International in Portland
24
My Story
• A new opinion of FOSS4G
25
My Story
• Not one source for solutions
26
QGIS
• Limits
27
QGIS Journey
28
What I am?
• A mapper
• I remember the moment when I knew
• I like to map while on Vacations
• Mapping when the internet is not available
29
QGIS the Obvious Answer
• An opportunity to develop new skills
30
What is QGIS?
http://www.qgisforum.org/qgis-tutorial/introduction
– QGIS (formerly known as Quantum GIS) is a
free, opensource desktop GIS program
– The project started in 2002. It has more than
35 developers and an estimated 300,000+
users around the world today
Gary Sherman
QGIS Creator
31
What s QGIS?
• Community Driven Project
– The work of the QGIS project is managed by a
Project Steering Committee (PSC) made up of
an international team of developers and GIS
users who each have a specific area of
responsibility.
– The steering committee is divided into four
basic roles: Development, Release
Management, Community Resources and
Finance & Marketing.
32
Who Supports QGIS?
33
QGIS
QGIS is Free software and you are under no obligation
to pay anything to use it - in fact we want to
encourage people far and wide to use it regardless of
what your financial or social status is - we believe
empowering people with spatial decision making tools
will result in a better society for all of humanity.
http://qgis.org/en/site/forusers/visualchangelog28/index.html
34
What is QGIS?
• QGIS runs on:
– Windows, Mac
– Android (smartphone and pad)
– Linux and Unix
– QGIS reads and writes e.g. ESRI, AutoCAD
MapInfo and MicroStation files
– Reads ArcGIS GDBs … but not the indexes
35
What is QGIS?
• QGIS latest version @ www.qgis.org
36
What is QGIS?
• QGIS License
– QGIS is open source software available
under the terms of the GNU General
Public License
– This guarantees end users (individuals,
organizations, companies) the
freedoms to use, study, share (copy),
and modify the software.
– The GPL is a “copyleft” license, which
means that derived works can only be
distributed under the same license
terms.
37
Who Is Using QGIS?
38
Who is using QGIS?
39
3D Plug-in to QGIS?
40
Who is Using QGIS?
41
Who is Using QGIS?
42
Who is Using QGIS?
43
Who Is Using QGIS?
44
GIS Requirments?
• Display and symbolize geographic features
• Save symbology for other maps
• Query databases
• Join Tables
• Create custom map products in electronic
formats
• Create Web map services
• Conduct spatial analysis in vector or raster
format
• Hyperlinking
45
GIS Requirments?
• Edit geospatial data using topology
• Versioned database editing (POSTGIS)
• Display 3D data
• Use standard scripting languages (Python)
to automate processes
• Visual scripting tools
• Consume web mapping services
• Use Plug-ins to extend the range of
capabilities
• Mobile application
46
QGIS Interface
47
QGIS Toolbars
48
Vector Tools in QGIS
A Subset to Vector Tools
49
Raster in QGIS
• Raster Analysis is built in.
Geographic
Resources
Analysis
Support
System
50
Raster in QGIS
51
Raster in QGIS
52
QGIS Plugins
53
QGIS Plugins
54
QGIS Data Sources
• QGIS uses the OGR library to read and write
vector data formats
– ESRI shapefile
– Mapinfo File
– ArcInfo Binary Coverage
– Delimited text file
– OpenStreetMap Vectors
– PostGIS layers
– SpatiaLite database
– MSSQL Spatial data
– Oracle Spatial Layers
– GPX
55
Raster QGIS Data Sources
56
OGC Data Sources
• Important OGC specifications supported by QGIS
are:
– WMS — Web Map Service (WMS/WMTS Client)
– WMTS — Web Map Tile Service (WMS/WMTS
Client)
– WFS — Web Feature Service (WFS and WFS-T
Client)
– WFS-T — Web Feature Service - Transactional
(WFS and WFS-T Client)
– WCS — Web Coverage Service (WCS Client)
– SFS — Simple Features for SQL (PostGIS Layers)
– GML — Geography Markup Language
57
QGIS Graphic Modeler
58
Limits to QGIS
• Text and annotation are not advanced
• 3D interfaces is not tightly integrated
• Editing is not as advanced as commercial
products
• Cartographic refinement, making a pretty
map is much harder
• Finding the right tool
• Non-USA centric - Foreign
59
Limits to QGIS
•HELP!!!
•Coders Code
&
Helpers Help
60
QGIS Help Resources
• Desktop Help
– http://www.qgis.org/en/docs/index.html
• Planet QGIS
– http://plugins.qgis.org/planet/
• GIS Stack Exchange
– http://gis.stackexchange.com/questions/tagged/qgis
• Digital Geography –
– http://www.digital-geography.com/
• QGIS Mailing Lists
– http://www2.qgis.org/en/site/getinvolved/mailinglists.html#qgis-mailinglists
– http://boundlessgeo.com/solutions/solutions-software/qgis/
• Boundless
– http://boundlessgeo.com/solutions/solutions-software/qgis
61
QGIS Training Resources
• You tube Search - About 20,900 result
• QGIS 2.6 intro -
https://www.youtube.com/watch?v=5QIYZmysDNM
62
QGIS Training Resources
• FOSS4G Academy
• https://foss4geo.wordpress.com/
• The five courses were derived from a two year long effort, that
engaged 50 geospatial educators from US colleges and
universities nationwide who reviewed the GTCM (KSAs). These
KSAs were all ranked upon importance and sequenced into a
coherent curriculum that includes these five GIS courses:
• GST 101 Introduction to Geospatial Technology Using QGIS 2.8
• GST 102 Spatial Analysis Using QGIS 2.8
• GST 103 Data Acquisition Using QGIS 2.8
• GST 104 Cartography Using QGIS 2.8 & Inkscape
• GST 105 Remote Sensing Using QGIS 2.8 & GRASS 7.0
– $49.00 per class
63
QGIS Training Resources
• FOSS4G Academy
• https://foss4geo.wordpress.com/
• The five courses were derived from a two year long effort, that
engaged 50 geospatial educators from US colleges and
universities nationwide who reviewed the GTCM (KSAs). These
KSAs were all ranked upon importance and sequenced into a
coherent curriculum that includes these five GIS courses:
• GST 101 Introduction to Geospatial Technology Using QGIS 2.8
• GST 102 Spatial Analysis Using QGIS 2.8
• GST 103 Data Acquisition Using QGIS 2.8
• GST 104 Cartography Using QGIS 2.8 & Inkscape
• GST 105 Remote Sensing Using QGIS 2.8 & GRASS 7.0
– $49.00 per class
64
QGIS Training Resources
• FOSS4G Academy on Github
• https://github.com/FOSS4GAcademy
• GST 101 Intro to Geospatial Technology using
QGIS 2.8
• GST 102 Spatial Analysis Using QGIS 2.8
• GST 103 Data Acquisition Using QGIS 2.8
• GST 104 Cartography Using QGIS 2.8 & Inkscape
• GST 105 Remote Sensing Using QGIS 2.8 & GRASS
7.0
– Free tutorials
65
QGIS Training Resources
• https://www.packtpub.com/application-development/learning-qgis-20
66
QGIS Training Resources
• https://www.packtpub.com/application-development/mastering-qgis
67
QGIS Training Resources
• QGIS Tutorials http://www.qgistutorials.com/en/ Ujaval Gandhi
68
QGIS Training Resources
• http://www.qgis.org/en/site/about/case_studies/antarctica.html
69
QGIS Training Resources
• http://www.baruch.cuny.edu/geoportal/practicum/
70
QGIS
• Limits
71
QGIS
• Limits
72
QGIS
73
GEOG 4091/5091 - FOSS4G
Thank you
Dave Murray, GISP
dmurray@cityofwestminster.us
(303) 658-2140
74
QGIS
• Limits
75
QGIS
• Limits
76
QGIS
• Limits
77
QGIS
• Limits
78
QGIS
• Limits
79
QGIS
• Limits
80
QGIS Abstract
• QGIS is a popular Open Source desktop GIS program that is
rapidly gaining popularity across the globe.
• Many GIS professionals are using this program but many others
have shied away thinking it is too difficult or doesn’t have the
functions they need.
• This presentation will run through a number of arguments why
you should consider learning GIS and applying it in your work or
outside activities.
• The program will be evaluated for the strengths and weaknesses
to the ArcGIS suite of software.
• Attendees will get a good idea if it makes sense for them to try it
out as well as spend time learning a “New” GIS program.

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QGIS Open Source Desktop GIS

  • 1. GISCO – Spring, 2015 QGIS Open Source Desktop GIS Dave Murray, GISP GIS Coordinator City of Westminster
  • 2. 2 Introduction • Scope of Presentation • Why consider QGIS • Benefits • Obstacles • Training materials • Next steps
  • 4. 4 QGIS Use • Who has used QGIS? • I’m here to learn from YOU!
  • 5. 5 QGIS? • Not trying to sell you anything
  • 6. 6 QGIS? • More Tools In our Toolbox
  • 7. 7 QGIS? • Linkedin Discussion Kevin Hone – we typically use the tool to learn the concepts instead of the other way around – I may know how to create a convex hull polygon with one tool, but if I had to do it with a different tool, I wouldn't know where to start because I didn't learn to do it with this other tool. https://www.linkedin.com/groups/what-is-best-GIS-software- 49657.S.5994554822773272579?view=&item=5994554822773272579&type=member&gid =49657&trk=eml-b2_anet_digest-hero-1-hero-disc-disc- 0&midToken=AQFqIVLI2OXPRQ&fromEmail=fromEmail&ut=25qGCidJBNzmI1
  • 9. 9 Disclaimer • We are currently not using QGIS at the City of Westminster Why? • Many reasons but the business case does not demand it at this time • May change in the future? • Data lock-up is one reason • Training is another big issue –I’m working on it
  • 10. 10 Why Consider QGIS? • Even with an Enterprise Licensing Agreement (ELA) there are limits
  • 11. 11 How to Approach FOSS4G • Commercial Vendors
  • 12. 12 How to Approach FOSS4G • Commercial Vendors
  • 13. 13 How to Approach FOSS4G • Open Source
  • 14. 14 Rob Pitts of Newlight Tech • What is
  • 15. 15 How to Approach FOSS4G • Import Revolution of the 60s
  • 17. 17 My Story • Began using workstation ArcInfo on DG UNIX in 1993 • Have only used commercial products during my career • Instructed GIS courses in commercial technology for 12 years at the University of Colorado at Denver • Currently instructing a FOSS4G course at UCD
  • 19. 19 My Story • Attended my first FOSS4G conference in 2007 – Victoria, B.C. – Still focused on the code
  • 21. 21 My Story • Just too much of a headache
  • 23. 23 My Story • 2011 – FOSS4G International in Denver • 2013 – FOSS4G NA – Minneapolis • 2014 – FOSS4G International in Portland
  • 24. 24 My Story • A new opinion of FOSS4G
  • 25. 25 My Story • Not one source for solutions
  • 28. 28 What I am? • A mapper • I remember the moment when I knew • I like to map while on Vacations • Mapping when the internet is not available
  • 29. 29 QGIS the Obvious Answer • An opportunity to develop new skills
  • 30. 30 What is QGIS? http://www.qgisforum.org/qgis-tutorial/introduction – QGIS (formerly known as Quantum GIS) is a free, opensource desktop GIS program – The project started in 2002. It has more than 35 developers and an estimated 300,000+ users around the world today Gary Sherman QGIS Creator
  • 31. 31 What s QGIS? • Community Driven Project – The work of the QGIS project is managed by a Project Steering Committee (PSC) made up of an international team of developers and GIS users who each have a specific area of responsibility. – The steering committee is divided into four basic roles: Development, Release Management, Community Resources and Finance & Marketing.
  • 33. 33 QGIS QGIS is Free software and you are under no obligation to pay anything to use it - in fact we want to encourage people far and wide to use it regardless of what your financial or social status is - we believe empowering people with spatial decision making tools will result in a better society for all of humanity. http://qgis.org/en/site/forusers/visualchangelog28/index.html
  • 34. 34 What is QGIS? • QGIS runs on: – Windows, Mac – Android (smartphone and pad) – Linux and Unix – QGIS reads and writes e.g. ESRI, AutoCAD MapInfo and MicroStation files – Reads ArcGIS GDBs … but not the indexes
  • 35. 35 What is QGIS? • QGIS latest version @ www.qgis.org
  • 36. 36 What is QGIS? • QGIS License – QGIS is open source software available under the terms of the GNU General Public License – This guarantees end users (individuals, organizations, companies) the freedoms to use, study, share (copy), and modify the software. – The GPL is a “copyleft” license, which means that derived works can only be distributed under the same license terms.
  • 44. 44 GIS Requirments? • Display and symbolize geographic features • Save symbology for other maps • Query databases • Join Tables • Create custom map products in electronic formats • Create Web map services • Conduct spatial analysis in vector or raster format • Hyperlinking
  • 45. 45 GIS Requirments? • Edit geospatial data using topology • Versioned database editing (POSTGIS) • Display 3D data • Use standard scripting languages (Python) to automate processes • Visual scripting tools • Consume web mapping services • Use Plug-ins to extend the range of capabilities • Mobile application
  • 48. 48 Vector Tools in QGIS A Subset to Vector Tools
  • 49. 49 Raster in QGIS • Raster Analysis is built in. Geographic Resources Analysis Support System
  • 54. 54 QGIS Data Sources • QGIS uses the OGR library to read and write vector data formats – ESRI shapefile – Mapinfo File – ArcInfo Binary Coverage – Delimited text file – OpenStreetMap Vectors – PostGIS layers – SpatiaLite database – MSSQL Spatial data – Oracle Spatial Layers – GPX
  • 56. 56 OGC Data Sources • Important OGC specifications supported by QGIS are: – WMS — Web Map Service (WMS/WMTS Client) – WMTS — Web Map Tile Service (WMS/WMTS Client) – WFS — Web Feature Service (WFS and WFS-T Client) – WFS-T — Web Feature Service - Transactional (WFS and WFS-T Client) – WCS — Web Coverage Service (WCS Client) – SFS — Simple Features for SQL (PostGIS Layers) – GML — Geography Markup Language
  • 58. 58 Limits to QGIS • Text and annotation are not advanced • 3D interfaces is not tightly integrated • Editing is not as advanced as commercial products • Cartographic refinement, making a pretty map is much harder • Finding the right tool • Non-USA centric - Foreign
  • 60. 60 QGIS Help Resources • Desktop Help – http://www.qgis.org/en/docs/index.html • Planet QGIS – http://plugins.qgis.org/planet/ • GIS Stack Exchange – http://gis.stackexchange.com/questions/tagged/qgis • Digital Geography – – http://www.digital-geography.com/ • QGIS Mailing Lists – http://www2.qgis.org/en/site/getinvolved/mailinglists.html#qgis-mailinglists – http://boundlessgeo.com/solutions/solutions-software/qgis/ • Boundless – http://boundlessgeo.com/solutions/solutions-software/qgis
  • 61. 61 QGIS Training Resources • You tube Search - About 20,900 result • QGIS 2.6 intro - https://www.youtube.com/watch?v=5QIYZmysDNM
  • 62. 62 QGIS Training Resources • FOSS4G Academy • https://foss4geo.wordpress.com/ • The five courses were derived from a two year long effort, that engaged 50 geospatial educators from US colleges and universities nationwide who reviewed the GTCM (KSAs). These KSAs were all ranked upon importance and sequenced into a coherent curriculum that includes these five GIS courses: • GST 101 Introduction to Geospatial Technology Using QGIS 2.8 • GST 102 Spatial Analysis Using QGIS 2.8 • GST 103 Data Acquisition Using QGIS 2.8 • GST 104 Cartography Using QGIS 2.8 & Inkscape • GST 105 Remote Sensing Using QGIS 2.8 & GRASS 7.0 – $49.00 per class
  • 63. 63 QGIS Training Resources • FOSS4G Academy • https://foss4geo.wordpress.com/ • The five courses were derived from a two year long effort, that engaged 50 geospatial educators from US colleges and universities nationwide who reviewed the GTCM (KSAs). These KSAs were all ranked upon importance and sequenced into a coherent curriculum that includes these five GIS courses: • GST 101 Introduction to Geospatial Technology Using QGIS 2.8 • GST 102 Spatial Analysis Using QGIS 2.8 • GST 103 Data Acquisition Using QGIS 2.8 • GST 104 Cartography Using QGIS 2.8 & Inkscape • GST 105 Remote Sensing Using QGIS 2.8 & GRASS 7.0 – $49.00 per class
  • 64. 64 QGIS Training Resources • FOSS4G Academy on Github • https://github.com/FOSS4GAcademy • GST 101 Intro to Geospatial Technology using QGIS 2.8 • GST 102 Spatial Analysis Using QGIS 2.8 • GST 103 Data Acquisition Using QGIS 2.8 • GST 104 Cartography Using QGIS 2.8 & Inkscape • GST 105 Remote Sensing Using QGIS 2.8 & GRASS 7.0 – Free tutorials
  • 65. 65 QGIS Training Resources • https://www.packtpub.com/application-development/learning-qgis-20
  • 66. 66 QGIS Training Resources • https://www.packtpub.com/application-development/mastering-qgis
  • 67. 67 QGIS Training Resources • QGIS Tutorials http://www.qgistutorials.com/en/ Ujaval Gandhi
  • 68. 68 QGIS Training Resources • http://www.qgis.org/en/site/about/case_studies/antarctica.html
  • 69. 69 QGIS Training Resources • http://www.baruch.cuny.edu/geoportal/practicum/
  • 73. 73 GEOG 4091/5091 - FOSS4G Thank you Dave Murray, GISP dmurray@cityofwestminster.us (303) 658-2140
  • 80. 80 QGIS Abstract • QGIS is a popular Open Source desktop GIS program that is rapidly gaining popularity across the globe. • Many GIS professionals are using this program but many others have shied away thinking it is too difficult or doesn’t have the functions they need. • This presentation will run through a number of arguments why you should consider learning GIS and applying it in your work or outside activities. • The program will be evaluated for the strengths and weaknesses to the ArcGIS suite of software. • Attendees will get a good idea if it makes sense for them to try it out as well as spend time learning a “New” GIS program.