Method: Bio::Graphics::Ruler#scaling_factor

Defined in:
lib/bio/graphics/ruler.rb

#scaling_factor(min_pixels_per_tick = @min_pixels_per_tick, rescale_factor = @panel.rescale_factor) ⇒ Object 



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# File 'lib/bio/graphics/ruler.rb', line 46

def scaling_factor(min_pixels_per_tick = @min_pixels_per_tick,
                        rescale_factor = @panel.rescale_factor)
  (Math.log(min_pixels_per_tick * rescale_factor) /
   Math.log(min_pixels_per_tick)).ceil 
end