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Maps • Geospatial Centre

City of Toronto Digital Orthophotos 1997

Description:

This set of digital orthoimages provides coverage of the City of Toronto (post-amalgamation). These images were flown in 1997 and then provided to the Geospatial Centre by the City of Toronto, Survey and Mapping Services in 2003.  Pixel resolution of these geotiff images is 50cm.

The map below is an index to the images in this collection.  This map of Toronto is divided into three areas: west (blue), central (green), and east (light green). Click on the area of interest to display a detailed index map showing the individual image numbers

[image] Toronto West map Toronto Central map Toronto East map []

Spatial Reference and Data Type:

These images are available in Modified Transverse Mercator (MTM) zone 10, NAD27 co-ordinate system.  The images are available either in compressed MrSID format or are available on a set of CD-ROM disks in geotiff format.   These CD disks are located in the Geospatial Centre, call number G3464.T7A4 1997 .M3x.   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 images, please visit the Geospatial Centre Reference Desk between the hours of 9:30am-12:00pm and 12:30pm-4:30pm, Monday to Friday, in Environmental Studies 1, Room 246. Library reference 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 GIS software, program extensions and data manipulation utilities. Patrons may use the GIS software in the library to view and manipulate the data. UW 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 signed 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.

Citation:

City of Toronto Digital Orthophotos [computer file]. Toronto, Ontario: City of Toronto, Geospatial Competency Centre [1997].

Sample View of the Data:

Mouth of Humber River, Toronto, 1997

Go back to City of Toronto and the GTA Geospatial Resources


, Library Assistant
June 4, 2012