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  • Blog Post: Getting geospatial data from shapefiles #2

    In my last post we were able to read the header. This time, we’ll actually drill in and get some actual map data. To start reading the individual records in the file we’ll need some more data structures. All of the shape records in the spec appear to have this form: // Copyright Microsoft...
  • Blog Post: Getting geospatial data from shapefiles

    There are lots of digital map files available from the Government. And in the case of the national atlas the data is stored in shape files. And, as luck with have it, shape files are easy to read. The ESRI Shapefile Technical Description is easy to find and download. The shapefile I’m using is...
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