GeoWorks::Derivatives

Hydra::Derivatives compatible processors for Geospatial derivative generation.

1. ImageMagick
2. GDAL
   • You can install it on Mac OSX with brew install gdal.
   • On Ubuntu, use sudo apt-get install gdal-bin.

GeoWorks requires the image generation library Simple Tiles.

Mac OS X:

• Install via Homebrew: brew install simple-tiles

Linux:

• Install dependencies:

  libgdal-dev
  libcairo2-dev
  libpango1.0-dev
  

• Compile:

  $ git clone git@github.com:propublica/simple-tiles.git
  $ cd simple-tiles
  $ ./configure
  $ make && make install
  

Add this line to your application's Gemfile:

gem 'geo_works-derivatives'

And then execute:

$ bundle

Or install it yourself as:

$ gem install geo_works-derivatives

TODO: Write usage instructions here

Bug reports and pull requests are welcome on GitHub at https://github.com/pulibrary/geo_works-derivatives.