This data resource is a set of digital orthophotos of the City of Toronto, including Etobicoke, Scarborough, and North York. These images were provided by the City of Toronto. This photography was flown in 1999, and has a 15 cm resolution. An orthoimage index (PDF) of the coverage is provided .

Spatial reference and data type

These data sets are available in Modified Transverse Mercator (MTM) zone 10, North American Datum (NAD) 27 co-ordinate system.  These data are stored as compressed MrSID image files. Other data formats can be accommodated, as the Geospatial Centre has access to a number of conversion utilities.

Data access

In order to access these data sets, please visit the Geospatial Centre information desk during reference hours. Information staff are available to provide further information about these data sets and to deliver data upon request. Under the terms of the Library's license agreement, these data sets are for use by students, faculty, and staff at the University of Waterloo only.

Data manipulation

There are public workstations in the Geospatial Centre that provide access to Geographic Information System (GIS) software, program extensions and data manipulation utilities. Patrons may use the GIS software in the library to view and manipulate the data. UWaterloo faculty, students and staff may copy these data to other media (Zip disk or CD-R) for use elsewhere.

Data output

These data may be exported from the GIS software as a bitmapped image (e.g., jpg) or may be printed as a map view using one of the library's colour printers.

Use restrictions/licensing/copyright

This material is provided for academic, research, teaching, and personal use only. A data release agreement must be agreed to before the data is delivered. The City of Toronto, Geospatial Competency Centre should be acknowledged on any derivative product, such as a map or an image.


City of Toronto Digital orthophotos [computer file]. Toronto, Ontario: City of Toronto, Geospatial Competency Centre, [1999].

Sample view of the data

1991 image showsToronto Maple Leaf Gardens