Introduction to GIS for Urban Studies - Home | SFU LibraryIntroduction to GIS for Urban Studies...

Introduction to GIS for Urban Studies

Keshav M GIS amp Map Librarian | Librarian for Geography Mehdi Aminipouri Graduate Peer GIS Facilitator

Compass by SPJDR from the Noun Project

GIS = Geographic Information SystemA GIS lets us visualize databoth geographically and thematically the where and the what simultaneously

This data is ldquogeospatialrdquo because it is linked to a geographic spatial location

Kernel density map of pedestrian hotspots in Vancouver 2000-2006 In Schuurman N Cinnamon J Crooks V A amp Hameed S M (2009) Pedestrian injury and the built environment an environmental scan of hotspots BMC public health 9(1) httpdxdoi1011861471-2458-9-233

Which table contains geospatial dataID Perimeter Area1 45 202 22 193 39 1954 40 1975

ID Neighbourhood Area1 Strathcona 202 West End 193 Renfrew-Collingwood 1954 Grandview-Woodland 1975

ldquoA geographic information system hellip allows the user to explore spatial relationships within and between datasets It generally consists of four basic parts These are the data itself the software used to explore the spatial relationships the hardware used to run the software and store the data and the usersrdquo

MacLeod C D (2015) GIS for biologists a practical introduction for undergraduates Glasgow UK Pictish Beast Publications

GIS = Geographic Information System

data software

users hardware

spreadsheet by heathersabrina Map by Delwar Hossain people by TS Graphics Computer by Ralf Schmitzer from the Noun Project

A GIS map is built up with layers attached to geographic locations and defined by visual symbols

By adding layers we can see relationships between different physical features

GIS lets us analyze data to find patterns and trends that might not be observable otherwise

Image ldquoGeographic Information Systems for Today and Beyondrdquo section 13 in Geographic Information System Basics (v 10)


The location of a physical feature on a map layer is built up using


Points a coordinate pair (x y)

Line segments connect two coordinate pairs and repeat

Polygons a closed shape with line segments as edges

ArcGIS (ArcMap Pro Online) Industry standard only for WindowsQGIS Open source desktop software for Windows Mac LinuxGoogle Earth Pro Free visualization software allows import of geospatial data

Some common GIS software packageslibsfuca1 2

3

GIS in urban studies research


Searching for geospatial data

magnifying glass by Jetro Cabau Quiroacutes from the Noun Project

But before you start searching ask yourself

WhoWhatWhereWhenHow

W4H

Who would want to collect andor create the data

bull Think about municipalities government agencies NGOs IGOs educational institutions etc

bull If yoursquore not sure look at articles reports and maps in the topic area to see if datasets or other types of information are being cited

Who

W4H

W4H

WhatWhat type of file are you hoping to find (Be prepared to be flexible)

bull What do you ideally want the file to show

bull Common geospatial data file types shp ndash Esri shape file formatkml ndash Google Earth geographic data format (also kmz)tif ndash annotated TIFF raster filesgpx ndash GPS Exchange data format

W4H

WhereWhere do you need the data for (what region)

bull What geographic areas are available

bull What other geographic areas might work (ie data at the provincial level to get at a city in BC)

W4H

WhenWhen would the data be for (what time period)

bull Do you need the most current data

bull Do you need historical data

bull Do you need to compare the two

W4H

HowHow do you need to use the data

bull Only for research

bull To publish online in an interactive map

bull Remember data has license agreements Ask yourself ldquoHow am I permitted to use this datasetrdquo

Open Data portalscataloguespages data freely available on the web via government bodies and organizations

SFU Library data purchased or subscribed to by SFU Library (SFU login required)

Other academic library portalswebsitescatalogues data that other academic libraries have purchased created or curated that are permitted to be shared

Volunteered Geographic Information (VGI) user-generated data (eg crowdsourced volunteered location information participatory methods)

Some access points for data

List by Charleacuterik Lemieux from the Noun Project

bull Google search for a place name and ldquoopen datardquobull Open Government Across Canada lists many (but not all) of thesebull Eg Open Data Ottawa and District of North Vancouver Open Data portal

Open data

1 Find an open data catalogue for a city in Canada or the US(Use a Google search)

2 What are weaknesses and strengths of the catalogue interface Do you like the way the datasets are organized and made accessible

3 Find a dataset that you find interesting that is available as a shapefile or kmlor kmz and download it

Open data now you try

bull Many organizations and research groups produce and share geospatial databull Check their website Look for sections with names like ldquoDatardquo ldquoToolsrdquo

ldquoResourcesrdquo ldquoResearchrdquobull If you cannot locate the data try contacting the organization to askbull Example British Columbia Marine Conservation Analysis

Open data via organizations

Try to locate and download geospatial data from these two websites

International Water Management Institutehttpwwwiwmicgiarorg

Ducks Unlimitedhttpwwwducksca

Open data via organizations you try

1 In your search use words like GIS shapefile shp ldquospatial datardquo layer geospatial

2 For example try searching Google forldquopublic art Vancouver (shp OR geospatial)What kinds of file types of public art in Vancouver can you find

3 Want more complicated Google searches Go to libsfuca and search for google advanced search

4 Try a Google search for a dataset that you might use in your research

Open data Google search

libsfuca12

34

Datasets available via SFU Library

Abacus

keyword search here

Abacus keyword searches

scroll down till you find ldquoCanMapStreetfilesv2014rdquo

Abacus CanMap Streetfiles v2014

citation for the dataset

download datasets here

metadata information

1 Find the dataset called DMTI CanMap Content Suite v20173

2 Within this (very large) dataset find the following two datasetsi Waterbodies in British Columbia ii Pipelines for all of Canada

3 Find a dataset in the Abacus Public Data Collection that shows historical streams and the ldquooriginalrdquo (c 1880) shoreline in Vancouver Can you download the kmz file and open it in Google Earth Pro

Abacus now you try

ExamplesMITGeoWeb (MIT Harvard Tufts MassGIS Berkeley)Scholars GeoPortal (Ontario Council of University Libraries)Abacus Public Data Collection (BC research libraries)

These portals are often shared between institutionsThey usually contain open data that anyone can download

Other academic library data portals

Example Scholars GeoPortal

anyone can download these open datasets

letrsquos look in this first category


scroll down till you find ldquoCartographic Boundary Files 2016 Censusrdquo and click

Cartographic Boundary Files 2016

click to add to the map


add ldquoCensus Tractsrdquo to the map then zoom in to an area of interest

download the data layer here

export or print the map view

plenty of area and file format options

bikemapsorg

Volunteered geographic information

Sawatzky K (2015 June 20) Airbnb listings in Vancouver How many What type Where Retrieved March 16 2018 from httpsshorttermconsequenceswordpresscom20150620airbnb-listings-in-vancouver-how-many-what-type-whereMaps

Dataset Title [format] Place of publication Publisher Date Available Name of site lturlgt (accessed date)Example Ontario Road Network (ORN) [computer file] Peterborough ON Ontario Ministry of Natural Resources 2010 Available Scholars GeoPortallthttpgeo2scholarsportalinfogt (Accessed January 1 2013)

Citing geospatial data

libsfuca

Keshav MukundaGIS amp Map Librarian Librarian for Geography

kmukundasfuca

Information by Iris Sun from the Noun Project



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GIS = Geographic Information SystemA GIS lets us visualize databoth geographically and thematically the where and the what simultaneously

This data is ldquogeospatialrdquo because it is linked to a geographic spatial location

Kernel density map of pedestrian hotspots in Vancouver 2000-2006 In Schuurman N Cinnamon J Crooks V A amp Hameed S M (2009) Pedestrian injury and the built environment an environmental scan of hotspots BMC public health 9(1) httpdxdoi1011861471-2458-9-233






data software

users hardware














3






WhoWhatWhereWhenHow

W4H




Who

W4H

W4H




W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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data software

users hardware














3






WhoWhatWhereWhenHow

W4H




Who

W4H

W4H




W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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3






WhoWhatWhereWhenHow

W4H




Who

W4H

W4H




W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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WhoWhatWhereWhenHow

W4H




Who

W4H

W4H




W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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Who

W4H

W4H




W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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W4H




W4H




W4H





W4H












Open data

















libsfuca12

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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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W4H




W4H





W4H












Open data

















libsfuca12

34


Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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W4H





W4H












Open data

















libsfuca12

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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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W4H












Open data

















libsfuca12

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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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Open data

















libsfuca12

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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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libsfuca12

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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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Abacus

keyword search here










Abacus now you try
















bikemapsorg





libsfuca


kmukundasfuca




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bikemapsorg





libsfuca


kmukundasfuca




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bikemapsorg





libsfuca


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libsfuca


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kmukundasfuca




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Introduction to GIS for Urban Studies - Home | SFU LibraryIntroduction to GIS for Urban Studies...

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Transcript of Introduction to GIS for Urban Studies - Home | SFU LibraryIntroduction to GIS for Urban Studies...