트레이딩뷰 수식입니다. 상승트렌드는 주가 상단선과, 하락트렌드는 주가 하단선과의

채우기 기능을,각각 분리하여 볼 수 있도록 변환 부탁드립니다.

atrPeriod = input.int(10,    "ATR Length", minval = 1)

factor =    input.float(3.0, "Factor",     minval = 0.01, step = 0.01)

[supertrend, direction] = ta.supertrend(factor, atrPeriod)

supertrend := barstate.isfirst ? na : supertrend

upTrend =    plot(direction < 0 ? supertrend : na, "Up Trend",   color = color.green, style = plot.style_linebr)

downTrend =  plot(direction < 0 ? na : supertrend, "Down Trend", color = color.red,   style = plot.style_linebr)

bodyMiddle = plot(barstate.isfirst ? na : (open + close) / 2, "Body Middle",display = display.none)

fill(bodyMiddle, upTrend,   title = "Uptrend background",   color = color.new(color.green, 90), fillgaps = false)

fill(bodyMiddle, downTrend, title = "Downtrend background", color = color.new(color.red,   90), fillgaps = false)

alertcondition(direction[1] > direction, title='Downtrend to Uptrend', message='The Supertrend value switched from Downtrend to Uptrend ')

alertcondition(direction[1] < direction, title='Uptrend to Downtrend', message='The Supertrend value switched from Uptrend to Downtrend')

alertcondition(direction[1] != direction, title='Trend Change', message='The Supertrend value switched from Uptrend to Downtrend or vice versa')