Digital orthophotos

What is an orthophoto?

An image map that is an air photo, corrected for topographic and other distortion effects.

Source: Clarke, K.C., 1999, Getting Started with Geographic Information Systems, 2nd ed.

Orthophotos at the GIC

• Mauricie Orthophotos. 2005-2008.
• Centre du Quebec Orthophotos. 2006. 1:15000
• CMM (Communuaté métropolitaine de Montréal) Orthophotos 2007 and 2005
• 1:40 000 Orthophotos of Quebec
• National Capital Region Urban Orthophotos
• Satellite Streetviews. Recent orthoimagery of Montreal, Calgary, Fredericton, Greater Toronto Area, Halifax, Halton (Oakville), Jonquiere (Saguenay), Lethbridge, Medicine Hat, Niagara, Ottawa-Gatineau, Quebec, Regina, St. John's, Saskatoon, Sault Ste. Marie, Sooke (BC), Vancouver, Whistler, Victoria, Windsor-Detroit, and Winnipeg.
• Ottawa Colour Orthophotos - 2005
• Toronto Orthophotos
• United States. High resolution orthoimagery of major metropolitan areas and state capitals (USGS (US Geological Survey) with NGA (National Geospatial-Intelligence Agency))
• Vancouver and Lower Mainland Orthophotos

Obtaining Orthophotos

Members of the McGill Community can obtain copies of the data by filling out the Geospatial Data Request Form.