Tag Archives: ontario

image georeferencing with QGIS

Quantum GIS (QGIS) has a very powerful image georeferencing module. What that allows you to do is convert screen pixels to a map of an area. The pixels could be from a scanned map or from a screen image. Scanned … Continue reading

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Land Information Ontario – or, how I semi-accidentally ordered 3.5GB of terrain data

The Ontario Ministry of Natural Resources has a fairly well-hidden service that provides free geodata to the general public. One has to register with a sign and e-mail form, but there’s a large number of useful data sets available. The … Continue reading

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