The Map and Data Centre currently holds or has access to a wealth of geospatial data, ranging from very detailed local data to worldwide sources.
Data must be requested in person at the Map and Data Centre service desk and a release agreement must be signed. Western students, staff, and faculty will be required to present a valid Western ONECard to gain access to the data. Western students, staff, and faculty may also copy requested resources to a data storage device (ex. USB or external HD) for research or teaching use outside of the library.
The Map and Data Centre has workstations equipped with ArcGIS, QGIS and other software to explore/manipulate the data. Free online ArcGIS training via the ESRI Virtual Campus is available through the ArcGIS Site License for the Western community.
Outlines of built-up structures (with height attributes), Digital Terrain Model (with elevations of land and water), and various vector data related to land use and land cover.
London Digital Mapping Data and Orthoimagery
City of London
2001 - 2016
Vector data (1:2,000) themes include topographic features (contours and spot heights), building footprints, roads, water, vegetation, etc. Very detailed 15 to 17cm pixel resolution orthoimages clipped to the London municipal boundary. CAD format and Digital Elevation Models (DEM) available for years 2001 - 2016.
2001-2013 datasets and CAD format available at the Map and Data Centre
Digital Cartographic Reference Base (DCRB) 2.0 and 3.0
Ontario Ministry of Transportation
1:100,000 scale data for the Official Road Map of Ontario and Transportation Mapping Interface. Example themes include roads, rivers, car pool lots airports, border crossings, etc.
DCRB 2.0 and 3.0 are available at the Map and Data Centre
OGDE: Fundamental Dataset
Ontario Ministry of Natural Resources
Very detailed 1:10,000 (Southern Ontario) and 1:20,000 (Northern Ontario) scale vector data for all of Ontario, divided by MNR Regions (3) or Districts (26). This dataset replaces the Ontario Base Map data. Themes include building footprints and points, roads, rivers, vegetation, DTM, etc.
Access Digital Terrain Model (DTM) via Map and Data Centre
Contains biotic, abiotic, and cultural information acquired from government, industry, and aboriginal organizations in addition to the maps and data for the Northern Land Use Information Series (NLUIS).
Geomatics Yukon (GeoYukon)
Government of Yukon
Interactive web mapping application, providing search, display, and download functions for data and imagery from the Government of Yukon.
Census geography products include boundary files at various levels (FED, DC, CMA, CSD, CT, DA, DB, etc). This also includes a road network containing information such as street names, types, directions and address ranges.
The ESRI Data & Maps Media Kit is an extensive vector mapping database. Also included is raster data such as world-wide DEMs, shaded relief and WorldSat imagery.
American Geological Institute (AGI); U.S. Geological Survey (USGS)
2001 - 2003
Global GIS provides extensive vector and raster coverage of all of the continents on the planet except for Antarctica at a scale of 1:1,000,000. Themes include roadways, built up areas, watercourses, etc.
Shuttle Radar Topography Mission (SRTM)
The Shuttle Radar Topography Mission (SRTM) is a digital raster elevation dataset divided into one degree blocks for the surface of the earth. Covers all of the Earth's land surface between 60 degrees North and 56 degrees South latitude.
Raster format landcover GIS data for Africa using integrated NOAA Advanced Very High Resolution Radiometer (AVHRR) and shaded relief maps. Includes a low resolution DEM of the entire African continent.
Landsat 5/7 Composite Images of Earth - Geocover (7-4-2)
NASA and Earth Satellite Corporation
The Geocover Imagery sets are comprised of orthorectified Landsat satellite image mosaics, that have been processed using spectral band 7 (mid-infrared) as red, band 4 (near-infrared) as green and band 3 (visible green) as blue.