Using QGIS and
ISCGM Global Map
2013. 11. 04
Minpa Lee(mapplus@gmail.com)
Heegu Park(hgpark@gaia3d.com)
Lecturer
Name: Minpa Lee
Department: R&D, Mango System inc.

사진

Contact: #A201, 98, Haenggung-ro, Paldal-gu, Suwon-si,
Gy...
Contents
• I. Overview–QGIS & Global map

• IV. Extending QGIS

– I-1. QGIS Overview
– I-2. ISCGM Global Map V.2

• II. In...
I. OVERVIEW
– QGIS & GLOBAL MAP
4
I-1. QGIS Overview
QGIS  Free & Open Source Geographic Information System
OS
 MS Windows
 Mac OSX
 Linux, Unix

Licens...
I-1. QGIS Overview
 QGIS

 Desktop GIS for
querying, creating,
editing, analyzing
geospatial data

QGIS
Desktop

QGIS
Br...
I-2. ISCGM Global Map V.2
ISCGM - International Steering Committee for Global Mapping

http://iscgm.org
7
I-2. ISCGM Global Map V.2
Vector Layer – Transportation, Boundaries, Drainage, Population Centres
Layer

Transportation

B...
I-2. ISCGM Global Map V.2
Raster Layer – Elevation, Vegetation, Land Cover, Land Use
Layer

Type

Elevation
Raster

Name

...
I-2. ISCGM Global Map V.2
Process overview

10
I-2. ISCGM Global Map V.2
Topology Rule – Edge(Line)

11
I-2. ISCGM Global Map V.2
Topology Rule – Face(Polygon)

12
I-2. ISCGM Global Map V.2
Sample Layers - Korea

13
II. INSTALLING QGIS

14
II-1. Installing QGIS
Install QGIS Dufour (2.0.1) on Windows OS
①
②
③
④

Download latest QGIS Dufour (2.0.1) from http://w...
II-1. Installing QGIS
Change the language setting/interface of QGIS
① Launch QGIS
② [설정]  [옵션…]  [언어설정]  [U.S. English]...
II-2. Installing Google Earth
Install Google Earth on Windows OS
① Download latest Google Earth from http://www.google.com...
II-2. Installing Google Earth
Change the language setting/interface of Google Earth
① Launch Google Earth
② [도구]  [옵션…] ...
III. USING QGIS

19
III-1. QGIS GUI
① Menu bar

1
2

② Tool bar

③ Layer List

3

④ Map View
⑤ Overview
⑥ Status bar

4

5
6
20
III-2. QGIS Toolbar
Customizing toolbar

Right-click on empty gray part of TOOLBAR area

Click on the TOOLBAR handle (gray...
III-3. Working with Vector Data
Adding vector data
• Click [Layer]  [Add Vector Layer…]
• Browse to the “C:WorldMapvector...
III-3. Working with Vector Data
Exploring maps

Zoom Full

Zoom In

Pan Map

Zoom Out

23

Zoom To Layer

Zoom To Selectio...
III-3. Working with Vector Data
Identifying features

Identify Features

24
III-3. Working with Vector Data
Selecting features & opening attribute tables

Identify

25
III-3. Working with Vector Data
Styling point layers

26
III-3. Working with Vector Data
Styling line layers

27
III-3. Working with Vector Data
Styling polygon layers

28
III-3. Working with Vector Data
Labeling layers

29
III-4. Working with Raster Data
Adding raster data
• Click [Layer]  [Add Raster Layer…]
• Browse to the “C:WorldMap” fold...
III-4. Working with Raster Data
Styling raster layer
<Style>

<Transparency>

31
IV. EXTENDING QGIS

32
IV-1. QGIS Plugins
Installing QGIS plugins
① Click [Plugins]  [Manage and Install Plugins…] menu
② Select [OpenLayers Plu...
IV-1. QGIS Plugins
How to use OpenLayers Plugin
① Click [Plugins]  [OpenLayers Plugin] menu
② Select [Add Google Satellit...
V. EDITING GLOBAL MAP DATA

35
V-1. Setting Environment
Setting the Snapping Tolerance and Search Radius
①
②
③


Click [Settings]  [Options…] menu
Sele...
V-2. Digitizing Toolbar
Vector layer basic editing toolbar
1

2

3

4

5

6

7

1.

Save Layer Edits

4.

Add Feature

5.
...
V-3. Digitizing an Existing Layer
Editing layers

①
②
③
④
⑤
⑥
⑦
⑧

Select the target layer you want to edit
Click
button f...
V-3. Digitizing an Existing Layer
Editing polygon layer - inwatera kor

39
V-3. Digitizing an Existing Layer
Editing line layer - roadl kor

40
V-4. Creating a New Layer
Creating and Editing Shapefiles
①
②
③
④
⑤

Click [Layer]  [New]  [New Shapefile Layer…] menu
S...
VI. IMPORT & EXPORT

42
VI-1. Import
Import CSV File 1
① Click [Layer]  [Add Delimited Text Layer…]
② Select the CSV file from [C:WorldMap events...
VI-1. Import
Import CSV File 2
① Click OK and Select Coordinate Reference System
② Right-click on the layer to Open the At...
VI-2. Export to Shapefile
Export to ESRI Shape file
① Select [events] layer
② Right-click and select [Save As…] menu
③ Opt...
VI-2. Export to OGC GML format
OGC GML: XML grammar for expressing geographical features
① Add [roadl kor] layer from shap...
VI-2. Export to KML format
Export to Google Earth KML format
①
②
③
④
⑤

Add [roadl kor] layer from shapefiles and select l...
Q&A

48
Reference
•QGIS Home: http://www.qgis.org
•QGIS Online Manuals: http://www.qgis.org/en/documentation/manuals.html
•QGIS Wo...
THANK YOU!

50
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Using QGIS and ISCGM Global Map

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국토부·KOICA, 개발도상국 공간정보기술 연수 과정 중 QGIS를 이용한 UN Global Map 활용 및 편집

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Using QGIS and ISCGM Global Map

  1. 1. Using QGIS and ISCGM Global Map 2013. 11. 04 Minpa Lee(mapplus@gmail.com) Heegu Park(hgpark@gaia3d.com)
  2. 2. Lecturer Name: Minpa Lee Department: R&D, Mango System inc. 사진 Contact: #A201, 98, Haenggung-ro, Paldal-gu, Suwon-si, Gyeonggi-do, 442-130, Korea E-mail: mapplus@gmail.com <Education Background> - BA on Seoul National University, Korea, Geography Education(03. 1992 ~ 02. 1999) <Community> - OSGeo, Charter member - OSGeo Korean Chapter, Korean Translator 2
  3. 3. Contents • I. Overview–QGIS & Global map • IV. Extending QGIS – I-1. QGIS Overview – I-2. ISCGM Global Map V.2 • II. Installing QGIS – IV-1. QGIS Plugins • V. Editing Global Map Data – – – – – II-1. Installing QGIS – II-2. Installing Google Earth • III. Using QGIS – – – – III-1. QGIS GUI III-2. QGIS Toolbar III-3. Working with Vector Data III-4. Working with Raster Data V-1. Setting Environment V-2. Digitizing Toolbar V-3. Digitizing an Existing Layer V-4. Creating a New Layer • VI. Import & Export – VI-1. Import – VI-2. Export – VI-3. Export to OGC GML format 3
  4. 4. I. OVERVIEW – QGIS & GLOBAL MAP 4
  5. 5. I-1. QGIS Overview QGIS  Free & Open Source Geographic Information System OS  MS Windows  Mac OSX  Linux, Unix License  GPL Language  C++, Python 5
  6. 6. I-1. QGIS Overview  QGIS  Desktop GIS for querying, creating, editing, analyzing geospatial data QGIS Desktop QGIS Browser QGIS Library(C++) QGIS Server QGIS Client  WMS 1.3.0, 1.1.1 Server  FastCGI/CGI Program  SLD Support 6  Browser for spatial data  Web Mapping Framework based on QGIS Server and GeoExt
  7. 7. I-2. ISCGM Global Map V.2 ISCGM - International Steering Committee for Global Mapping http://iscgm.org 7
  8. 8. I-2. ISCGM Global Map V.2 Vector Layer – Transportation, Boundaries, Drainage, Population Centres Layer Transportation Boundaries Drainage Population Centres Name Type Airport Railroad Station Railroad Road Trails and Tracks line Ferry route Port Political Boundary Coast Line Political Boundary Line Political Boundary Area Miscellaneous(Dam/Weir/Island, Spring/Water-Hole) Aqueduct/Canal/Flume/Penstock Miscellaneous(Dam/Weir) Water Course Inland Water Built-up Area (point) Built-up Area (face) Inclusion Abbreviation Point Point Edge Edge Edge Edge Point Point Edge Edge Face Optional Optional Mandatory Mandatory Mandatory Optional Optional Mandatory Mandatory Mandatory Mandatory airp rstatp raill roadl Traill ferryl portp polbndp coastl polbndl polbnda Point Optional miscp Edge Edge Edge Face Point Face Optional Optional Mandatory Mandatory Optional Optional aquel miscl riverl inwatera builtupp builtupa Global Map data is equivalent to 1:1 million scale map 8
  9. 9. I-2. ISCGM Global Map V.2 Raster Layer – Elevation, Vegetation, Land Cover, Land Use Layer Type Elevation Raster Name Raster Vegetation Land Cover Land Use Raster Raster Raster The vertical distance between the surface of the earth and the standard sea level Percent Tree Cover data by an integer value from 0 to 100 GLCNMO global legend Codes developed for Global Map Elevation Vegetation Land Use Land Cover 9
  10. 10. I-2. ISCGM Global Map V.2 Process overview 10
  11. 11. I-2. ISCGM Global Map V.2 Topology Rule – Edge(Line) 11
  12. 12. I-2. ISCGM Global Map V.2 Topology Rule – Face(Polygon) 12
  13. 13. I-2. ISCGM Global Map V.2 Sample Layers - Korea 13
  14. 14. II. INSTALLING QGIS 14
  15. 15. II-1. Installing QGIS Install QGIS Dufour (2.0.1) on Windows OS ① ② ③ ④ Download latest QGIS Dufour (2.0.1) from http://www.qgis.org/ Save the File to your machine and double click on the .exe file to install Accept the install defaults to complete the process Launch QGIS 15
  16. 16. II-1. Installing QGIS Change the language setting/interface of QGIS ① Launch QGIS ② [설정]  [옵션…]  [언어설정]  [U.S. English]  [확인] ③ Select [Setting]  [Options…] menu and Select [Locale]  [U.S. English]  [OK] ④ Restart QGIS 16
  17. 17. II-2. Installing Google Earth Install Google Earth on Windows OS ① Download latest Google Earth from http://www.google.com/intl/en/earth/ or http://earth.google.com ② Save the File to your machine and Double click on the .exe file to install ③ Accept the install defaults to complete the process ④ Launch Google Earth 17
  18. 18. II-2. Installing Google Earth Change the language setting/interface of Google Earth ① Launch Google Earth ② [도구]  [옵션…]  [일반]  [언어 설정] [English (US)]  [확인] ③ Select [Tools]  [Options…]  [General]  [Language settings]  [ English (US)]  [OK] ④ Restart Google Earth 18
  19. 19. III. USING QGIS 19
  20. 20. III-1. QGIS GUI ① Menu bar 1 2 ② Tool bar ③ Layer List 3 ④ Map View ⑤ Overview ⑥ Status bar 4 5 6 20
  21. 21. III-2. QGIS Toolbar Customizing toolbar Right-click on empty gray part of TOOLBAR area Click on the TOOLBAR handle (gray dots on left edge) to enable MOVE control Drag the TOOLBAR handle to any open space on TOOLBAR AREA and let go 21
  22. 22. III-3. Working with Vector Data Adding vector data • Click [Layer]  [Add Vector Layer…] • Browse to the “C:WorldMapvector” folder and select all files that ends “*.shp“ • Notice that the Source Type will default to SYSTEM encoding. – QGIS is VERY good at handling various character set encodings (such as multi-byte Chinese & Japanese, or UTF-8)! • Click [open] button to add the selected layers to the current project. 22
  23. 23. III-3. Working with Vector Data Exploring maps Zoom Full Zoom In Pan Map Zoom Out 23 Zoom To Layer Zoom To Selection
  24. 24. III-3. Working with Vector Data Identifying features Identify Features 24
  25. 25. III-3. Working with Vector Data Selecting features & opening attribute tables Identify 25
  26. 26. III-3. Working with Vector Data Styling point layers 26
  27. 27. III-3. Working with Vector Data Styling line layers 27
  28. 28. III-3. Working with Vector Data Styling polygon layers 28
  29. 29. III-3. Working with Vector Data Labeling layers 29
  30. 30. III-4. Working with Raster Data Adding raster data • Click [Layer]  [Add Raster Layer…] • Browse to the “C:WorldMap” folder and select the filename that ends “ALPSMW274822845_ortho.tif“ • Click [open] button to add the selected layers to the current project. 30
  31. 31. III-4. Working with Raster Data Styling raster layer <Style> <Transparency> 31
  32. 32. IV. EXTENDING QGIS 32
  33. 33. IV-1. QGIS Plugins Installing QGIS plugins ① Click [Plugins]  [Manage and Install Plugins…] menu ② Select [OpenLayers Plugin] ③ Click [Install] button  Manual Installation ① Copy [C:WorldMappluginopenlayers_plugin.zip] file to [C:Users[your login name].qgis2pythonplugins] folder ② unzip files and restart QGIS 33
  34. 34. IV-1. QGIS Plugins How to use OpenLayers Plugin ① Click [Plugins]  [OpenLayers Plugin] menu ② Select [Add Google Satellite layer] ③ Select vector layer and click [Zoom to Layer Extent] 34
  35. 35. V. EDITING GLOBAL MAP DATA 35
  36. 36. V-1. Setting Environment Setting the Snapping Tolerance and Search Radius ① ② ③  Click [Settings]  [Options…] menu Select Digitizing tab Set snapping environment: Default snap mode   Default snapping tolerance   To vertex and segment 10.0 pixels Default radius for vertex edits  10.0 pixels 36
  37. 37. V-2. Digitizing Toolbar Vector layer basic editing toolbar 1 2 3 4 5 6 7 1. Save Layer Edits 4. Add Feature 5. Move Feature(s) 6. Node Tool 7. Delete Selected Features 8. Cut Features 9. 10 Toggle Editing 3. 9 Current Edits 2. 8 Copy Features 10. Paste Features  Tips: Panning the map during digitizing is possible with the arrow keys or mouse wheel or space bar + mouse 37
  38. 38. V-3. Digitizing an Existing Layer Editing layers ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ Select the target layer you want to edit Click button from the digitizing toolbar Click button to add feature Start digitizing on the map To finish digitizing, right-click anywhere on the map Enter the attributes for the new feature Click button to save edits. Click button to stop editing 38
  39. 39. V-3. Digitizing an Existing Layer Editing polygon layer - inwatera kor 39
  40. 40. V-3. Digitizing an Existing Layer Editing line layer - roadl kor 40
  41. 41. V-4. Creating a New Layer Creating and Editing Shapefiles ① ② ③ ④ ⑤ Click [Layer]  [New]  [New Shapefile Layer…] menu Select Polygon Type and set WGS 84 CRS Enter “Name” by manually typing in the Name textbox Click [Add to attributes list] button Click OK button and specify new layer name 41
  42. 42. VI. IMPORT & EXPORT 42
  43. 43. VI-1. Import Import CSV File 1 ① Click [Layer]  [Add Delimited Text Layer…] ② Select the CSV file from [C:WorldMap events.csv] ③ Check X, Y fields   X = LON Y = LAT 43
  44. 44. VI-1. Import Import CSV File 2 ① Click OK and Select Coordinate Reference System ② Right-click on the layer to Open the Attribute Table, and make sure the tabular data was imported 44
  45. 45. VI-2. Export to Shapefile Export to ESRI Shape file ① Select [events] layer ② Right-click and select [Save As…] menu ③ Options   CRS transformation Encoding ④ Click OK 45
  46. 46. VI-2. Export to OGC GML format OGC GML: XML grammar for expressing geographical features ① Add [roadl kor] layer from shapefiles and select layer ② Right-click and select [Save As…] menu ③ Select UTF-8 Encoding  Default xml encoding ④ Click OK 46
  47. 47. VI-2. Export to KML format Export to Google Earth KML format ① ② ③ ④ ⑤ Add [roadl kor] layer from shapefiles and select layer Right-click and select [Save As…] menu Select WGS 84 CRS Click OK Go to [Windows Explorer] and double click kml file 47
  48. 48. Q&A 48
  49. 49. Reference •QGIS Home: http://www.qgis.org •QGIS Online Manuals: http://www.qgis.org/en/documentation/manuals.html •QGIS Workshop : http://maps.cga.harvard.edu/qgis/ •UC Davis QGIS Lab: http://www.plantsciences.ucdavis.edu/plant/qgislabs.htm •Scratching Surfaces : http://www.surfaces.co.il/?p=872 •Nathans QGIS Blog: http://woostuff.wordpress.com/ •Spatial Galaxy : http://spatialgalaxy.net/ 49
  50. 50. THANK YOU! 50

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