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Scruffy::Layers::Line

Scruffy::Layers::Line

Author

Brasten Sager

Date

August 7th, 2006

Line graph.

Public Instance Methods

draw(svg, coords, options={}) click to toggle source

Renders line graph.

# File lib/scruffy/layers/line.rb, line 11
def draw(svg, coords, options={})
  svg.g(:class => 'shadow', :transform => "translate(#{relative(0.5)}, #{relative(0.5)})") {
    svg.polyline( :points => stringify_coords(coords).join(' '), :fill => 'transparent', 
                  :stroke => 'black', 'stroke-width' => relative(2), 
                  :style => 'fill-opacity: 0; stroke-opacity: 0.35' )

    coords.each { |coord| svg.circle( :cx => coord.first, :cy => coord.last + relative(0.9), :r => relative(2), 
                                      :style => "stroke-width: #{relative(2)}; stroke: black; opacity: 0.35;" ) }
  }


  svg.polyline( :points => stringify_coords(coords).join(' '), :fill => 'none', 
                :stroke => color.to_s, 'stroke-width' => relative(2) )

  coords.each { |coord| svg.circle( :cx => coord.first, :cy => coord.last, :r => relative(2), 
                                    :style => "stroke-width: #{relative(2)}; stroke: #{color.to_s}; fill: #{color.to_s}" ) }
end

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