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Tag Archives: shapefile
geocoder.ca’s excellent database
geocoder.ca provides a crowdsourced postal code geocoder under the ODbL. You can download the database as CSV directly. Here’s a bash script to convert that text file into a (very large) point shapefile: Though the script is a bit Unix-centric, … Continue reading
Drawing Eggs
When designing wind farms, you need to keep the turbines a certain distance apart from one another. If you don’t, the wakes from the turbines reduce efficiency, and the turbulence can reduce the warranted life of the machine. Typically, a … Continue reading
Bixi comes to Toronto!
BIXI Toronto is (nearly) here! Here are the proposed station locations: Bixi_Toronto_shp.zip (Shapefile) or Bixi_Toronto-kml_csv.zip (KML and CSV).
More radio amateur grid squares
After yesterday’s post, I went a bit nuts with working out the whole amateur radio grid locator thing (not that I’m currently likely to use it, though). I’d hoped to provide a shapefile of the entire world, but that would … Continue reading
making trivial shapefiles with shapelib
While most GIS applications work with delimited text inputs, sometimes you just have to have a shapefile. Amongst many other things, Frank Warmerdam wrote the Shapefile C Library, which comes with a few simple tools. I suspect Frank meant the … Continue reading
a simple geocoder for toronto
I’m going to use SpatiaLite and the Toronto One Address Repository to try some simple geocoding. That is, given an address, spit out the real-world map coordinates. As it happens, the way the Toronto data is structured it doesn’t really … Continue reading
free geodata for the numpty-about-Toronto
So if I want to learn some GIS skills, it would be helpful if I had some data to work with. Here are two data sources I have slight familiarity with: toronto.ca | Open Shapefiles, comprising: Municipal Address Points – … Continue reading