AsciiChart

Nice-looking lightweight console ASCII line charts ╭┈╯. Port of kroitor/asciichart.

Installation

Add this to your application's shard.yml:

dependencies:
  ascii_chart:
    github: teuffel/ascii_chart

Usage

require 'ascii_chart'

AsciiChart.plot((0...90).map { |i|
 Math.cos(i * ((Math::PI * 8) / 90)).round(2) * 10
})

    5.00  ┼---╮                                     ╭------╮                                     ╭--
    4.00  ┤   ╰-╮                                 ╭-╯      ╰-╮                                 ╭-╯  
    3.00  ┤     ╰-╮                             ╭-╯          ╰-╮                             ╭-╯    
    2.00  ┤       ╰-╮                         ╭-╯              ╰-╮                         ╭-╯      
    1.00  ┤         ╰╮                       ╭╯                  ╰╮                       ╭╯        
    0.00  ┼          ╰╮                     ╭╯                    ╰╮                     ╭╯         
   -1.00  ┤           ╰-╮                 ╭-╯                      ╰-╮                 ╭-╯          
   -2.00  ┤             ╰╮               ╭╯                          ╰╮               ╭╯            
   -3.00  ┤              ╰-╮           ╭-╯                            ╰-╮           ╭-╯             
   -4.00  ┤                ╰--╮     ╭--╯                                ╰--╮     ╭--╯               
   -5.00  ┤                   ╰-----╯                                      ╰-----╯                  

    9.00  ┤        ╭╮                   ╭╮                   ╭╮          ╭╮   ╭╮
    8.00  ┤  ╭╮    ||                   ||       ╭-╮  ╭╮     || ╭╮       ||   ||                ╭╮
    7.00  ┤  ||    ||                   ||   ╭╮╭╮| |  ||╭╮  ╭╯| ||  ╭╮   ||   ||                ||
    6.00  ┤  ||    ||                   ||╭╮ ||||| |  ||||  | | ||  ||╭╮ |╰-╮ ||   ╭╮           ||
    5.00  ┤╭╮||    ||                   |||| ||||| | ╭╯|||  | | || ╭╯||| |  | |╰╮  ||         ╭╮||
    4.00  ┤||||    ||                   |||╰╮||||| | | |||  | | || | ||| |  | | |  ||         ||||
    3.00  ┤||||    ||                   ||| |||||| | | |||  | | || | ||╰╮|  | | |  || ╭╮      ||||
    2.00  ┤||||    ||                 ╭╮||| |||||| | | ||| ╭╯ | || | ╰╯ ||  | | ╰╮ || ||      ||||
    1.00  ┼╯||╰-╮  ||      ╭╮         ||||| |||||| |╭╯ ||╰╮|  |╭╯| |    ||  | |  | || ||      ||||
    0.00  ┼ ╰╯  |  ||╭╮    || ╭-╮     |||╰╯ ||╰╯|| ||  || ╰╯  ╰╯ | |    ||  | |  | || ||  ╭╮  |||| ╭
   -1.00  ┤     |  ||||    || | |     |||   ||  || ||  ||        ╰╮|    ||  | |  | || ||  |╰╮ |||| |
   -2.00  ┤     |  ||||    || | |     |||   ╰╯  || ||  ||         ||    ||  | |  | ||╭╯|  | | |╰╯| |
   -3.00  ┤     |╭╮||||    || | |     |||       || ||  ||         ╰╯    ||  | |  | |╰╯ ╰-╮| | |  | |
   -4.00  ┤     |||||||╭╮  || | |     |||       || ||  ||               ╰╯  | |  | |     || | |  | |
   -5.00  ┤     ╰╯|||||||╭-╯|╭╯ |    ╭╯||       || ||  ╰╯                   | |  | |     || ╰-╯  | |
   -6.00  ┤       ||||╰╯╰╯  ||  |    | ||       ╰╯ ||                       ╰-╯  | |     ||      | |
   -7.00  ┤       ||||      ||  |╭-╮ | ╰╯          ╰╯                            | |     ||      | |
   -8.00  ┤       ╰╯╰╯      ╰╯  ╰╯ | |                                           |╭╯     ||      | |
   -9.00  ┤                        ╰-╯                                           ╰╯      ╰╯      ╰-╯

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/teuffel/ascii_chart. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The shard is available as open source under the terms of the MIT License.