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Maps • Geospatial Centre

Greater Toronto Area Digital Orthophotos 1995

Description:

These digital orthophotos provide a full-colour view of the Greater Toronto Area, as well as the Golden Horseshoe. These images were provided by Triathlon Mapping Corporation. The georeferenced orthoimages have the same accuracy as a 1:20,000 scale map. The resolution of these photos is 1 meter. For coverage areas and thumbnails, please see the clickable index below, for the location of MrSID files. An index to the .TIFF images is available here.

GTA Mosaics gta mosaic 35b gta mosaic 35a gta mosiac 9b gta mosaic 9b gta mosaic 40 gta mosaic 41 gta mosaic 42 gta mosaic 43 gta mosaic 44 gta mosaic 45 gta mosaic 1 gta mosaic 2 gta mosaic 3 gta mosaic 4 gta mosaic 5 gta mosaic 6 gta mosaic 7 gta mosaic 8 gta mosaic 10 gta mosaic 11 gta mosaic 12 gta mosaic 13 gta mosaic 14 gta mosaic 16 gta mosaic 18 gta mosaic 20 gta mosaic 22 gta mosaic 24 gta mosaic 27 gta mosaic 26 gta mosaic 30 gta mosaic 29 gta mosaic 28 gta mosaic 34 gta mosaic 33 gta mosaic 32 gta mosaic 31 gta mosaic 37 gta mosaic 36 gta mosaic 35 gta mosaic 38 gta mosaic 39 gta mosaic 25 gta mosaic 15 gta mosaic 23 gta mosaic 21 gta mosaic 19 gta mosaic 17

Spatial Reference and Data Type:

These data sets are available in UTM co-ordinates; horizontal datum is NAD 27. These data are stored as MrSid image files, and are also available as geo referenced .TIFF images. These TIFF images are only available on CD-ROM. The call number of this resource on CD-ROM is G3462.G6A4 1995 .T72x Region 1-23 and G3462.G6A4 1995 .T72x Region 24-45, both in UMD Controlled Access. Click here to see an index for the .TIFF images. 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 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 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. Triathlon Mapping Corporation should be acknowledged on any derivative product, such as a map or an image.

Citation:

Colour Digital Orthophotos of The Greater Toronto and Golden Horseshoe Areas 1995 [computer file]. Burnaby, British Columbia: Triathlon Mapping Corporation, [1996].

Sample View of the Data:

GeorgeTown, Ontario - 1995

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, Library Assistant
December 18, 2012