geogratis - university of torontomaps.library.utoronto.ca/docs/nrcan_maps.pdf · 2013-01-11 · you...
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Geogratis.ca
On NRCAN’s website, you can download satellite images and digital topographic maps of Canada for free. This short guide shows you how.
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• Go to http://geogratis.ca/geogratis/en/index.html
• To download maps, click on “Search by Keywords” on the left
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Search for resources in this search box. For instance, you can type in ‘satellite images’ or ‘topographic maps.’
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The first result is the one we want to access to download satellite images of Canada.
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There are different ways you can search for maps: by geoname, postal code, NTS mapsheet or coordinates. We are going to search by NTS Mapsheets : • Click on NTS Mapsheet.
Consult the map to determine which mapsheet number corresponds to your area of interest.
• To zoom into the area of
Toronto, you’ll have to type 30 into the box.
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You’ll notice that the map has zoomed into the area of Southern Ontario. By zooming into the Toronto area, using the zoom-in tool on the left, you can see that NTS sheets of Toronto start with 30M.
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By zooming in further, you’ll see that the NTS sheet corresponding to downtown Toronto is 30M11. To download images, click on “Search available datasets.”
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Select the images of interest to you by checking the box. Then hit Submit.
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Before you download your image, you see this metadata page, which includes important information, such as the projection of the image.
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To download the zipped file of your image, click on the name of the file (next to the downward green arrow). A zipped file with your image is downloaded to your computer.