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# File 'lib/coordinate_system.rb', line 101
def grid_lines(x_basis_interval, y_basis_interval)
lines = []
@x_axis.range.run(x_basis_interval) do |i,v|
raw_origin = {:x => i, :y => @y_axis.range.minimum}
hair_origin = standard_basis(raw_origin)
hair_end = @y_basis_vector*@y_axis.range.interval + standard_basis(raw_origin)
lines << {:from => hair_origin, :to => hair_end}
end
@y_axis.range.run(y_basis_interval) do |i,v|
raw_origin = {:x => @x_axis.range.minimum, :y => i}
hair_origin = standard_basis(raw_origin)
hair_end = @x_basis_vector*@x_axis.range.interval + standard_basis(raw_origin)
lines << {:from => hair_origin, :to => hair_end}
end
lines
end
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