Module: Segment

Defined in:
lib/nswtopo/geometry/segment.rb

Instance Method Summary collapse

Instance Method Details

#along(fraction) ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 18

def along(fraction)
  self[1].times(fraction).plus self[0].times(1.0 - fraction)
end

#difference ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 10

def difference
  last.minus first
end

#distance ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 14

def distance
  difference.norm
end

#midpoint ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 22

def midpoint
  transpose.map(&:mean)
end

#ring ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 6

def ring
  zip rotate
end

#segments ⇒ Object 



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# File 'lib/nswtopo/geometry/segment.rb', line 2

def segments
  self[0..-2].zip self[1..-1]
end