Category: "gis"

New install of Mapnik on iMac with Mac OSX Lion

Another mapnik install, another set of issues… I had a brand new OSX Lion install on my imac, but had a few issues with the brew install of Mapnik as I wanted to link it to Cairo. See the Homebrew Mapnik instruction page brew install python Change the .bash_profile to add export PATH=/usr/local/bin:/usr/local/sbin:$PATH. brew install git brew install postgresql brew install icu4c brew install proj brew install libtiff brew install

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On extracting timetable/spreadsheet data from PDF files

For my work on Kemtro, I recently explored how I could extract timetable information available in PDF files. There are still many transport agencies that do not want (or can’t for various reasons) make their data available in a friendly format (GTFS). I’m not aware of any easy and centralized way of doing that, so I did what I typically do when it comes to ‘liberating’ data: I first scraped

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