Ruby gem to create Google Static Maps with clusters and markers
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README.md

GoogleStaticMap-Clusters

Google Static Map with clusters

Add points layers, cluster them and get the link to the static map. Each cluster is represented by a marker.

Based on this post.

Installation

Add this line to your application's Gemfile:

gem 'googlestaticmap-clusters'

And then execute:

$ bundle

Or install it yourself as:

$ gem install googlestaticmap-clusters

Usage

  require 'googlestaticmap-clusters'
  
  data = {:customers=>[{:lat=>-23.607581, :lon=>-46.630046,...},
                      {:lat=>-23.511634, :lon=>-46.71541,...},...],
          :sellers => [{:lat=>-23.607551, :lon=>-46.630034,...},
                       {:lat=>-23.511644, :lon=>-46.71543,...},...]}
                       
  map = GoogleStaticMapClusters::Map.new({:zoom => 9})
  
  map.add_layer(data[:customers])
  map.add_layer(data[:sellers],{:style=>{:marker_color=>'red'}})
  
  puts map.link

Options with default values

defaults = {
          :sensor => false,
          :map_width =>600,
          :map_height => 600,
          :style => {:marker_size => 'mid', :marker_color => 'blue'},
          :zoom => 12,
          :max_distance => 50, # distance for clustering
          :outliers_distance => 700 # distance for cleaning outliers
      }

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

  1. Fork it ( https://github.com/[my-github-username]/googlestaticmap-clusters/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request