RosettaCodeData/Task/Plot-coordinate-pairs/Erlang/plot-coordinate-pairs.erl
Ingy döt Net 6f050a029e update
2013-06-05 21:47:54 +00:00

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381 B
Erlang

-module( plot_coordinate_pairs ).
-export( [task/0, to_png_file/3] ).
task() ->
Xs = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
Ys = [2.7, 2.8, 31.4, 38.1, 58.0, 76.2, 100.5, 130.0, 149.3, 180.0],
File = "plot_coordinate_pairs",
to_png_file( File, Xs, Ys ).
to_png_file( File, Xs, Ys ) ->
PNG = egd_chart:graph( [{File, lists:zip(Xs, Ys)}] ),
file:write_file( File ++ ".png", PNG ).