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Sample of the new Plotrb, GSoC2014
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| ... | |
| <script> | |
| function hover_province(var state_num){ | |
| // when hovering a state on the right map, show the chart relating to it. | |
| $("#income_graph").load("graph/"+state_num); | |
| } | |
| </script> | |
| ... | |
| <div id="income_graph"> | |
| </div> | |
| <div id="map"> | |
| <%= @snippet %> | |
| </div> | |
| ... | |
| </html> |
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| class PlotController<ApplicationController | |
| def index | |
| @snippet= plot_map | |
| end | |
| def graph | |
| plot_income_graph(params[:id]) | |
| end | |
| end | |
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| module PlotHelper | |
| def plot_map | |
| alaska_topo = "alaska.topo.json" | |
| geo_data = [{name:"countries", url: alaska_topo, feature:"alaska_state.geo"}] | |
| map = Map.new(geo_data) do | |
| # additional callback method | |
| params=["state_num"] | |
| hover.callback(name:"hover_map", param:params) | |
| end | |
| map.to_html | |
| end | |
| def plot_income_graph(state_num) | |
| state_date =[] | |
| # get some data about the hoverd state, using state_num. | |
| bar =Bar.new(state_data)do | |
| # add some code here to change some features like axis, color..etc. | |
| enable :interactive | |
| end | |
| bar.to_html | |
| end | |
| end |
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