def write_a_lin(angle)
     scaled = 0

     angle = (60000 * angle).to_i

     attributes = [
         ['ang',    angle],
         ['scaled', scaled]
      ]

      @writer.empty_tag('a:lin', attributes)
    end
def write_a_lin(angle)
     scaled = 0

     angle = (60000 * angle).to_i

     attributes = [
         ['ang',    angle],
         ['scaled', scaled]
      ]

      @writer.empty_tag('a:lin', attributes)
    end
Write the <a:lin> element.