77 lines
3.5 KiB
Plaintext
77 lines
3.5 KiB
Plaintext
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//@version=5
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indicator("ADX + ATR (on chart)", shorttitle="ADX·ATR", overlay=true)
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// inputs
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adx_len = input.int(14, "ADX Length", minval=1)
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atr_len = input.int(14, "ATR Length", minval=1)
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adx_threshold = input.int(25, "ADX Threshold", minval=0)
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show_adx = input.bool(true, "Show ADX")
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show_di = input.bool(false, "Show +DI / -DI")
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show_atr_on_price = input.bool(true, "Plot ATR on chart (scaled)")
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atr_scale = input.float(1.0, "ATR Scale Factor", step=0.1)
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map_range = input.int(20, "ADX map range (price units)", minval=1)
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adx_up_color = input.color(color.green, "ADX ≥ Threshold Color")
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adx_dn_color = input.color(color.red, "ADX < Threshold Color")
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atr_color = input.color(color.blue, "ATR Color")
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// ATR
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atr = ta.atr(atr_len)
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// Manual DMI/ADX (Wilder smoothing) - compatible without ta.adx
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up = high - high[1]
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down = low[1] - low
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plusDM = (up > down and up > 0) ? up : 0.0
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minusDM = (down > up and down > 0) ? down : 0.0
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tr1 = high - low
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tr2 = math.abs(high - close[1])
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tr3 = math.abs(low - close[1])
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tr = math.max(math.max(tr1, tr2), tr3)
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smTR = ta.rma(tr, adx_len)
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smPlus = ta.rma(plusDM, adx_len)
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smMinus = ta.rma(minusDM, adx_len)
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plus_di = smTR != 0.0 ? 100.0 * smPlus / smTR : 0.0
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minus_di = smTR != 0.0 ? 100.0 * smMinus / smTR : 0.0
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dx = (plus_di + minus_di) != 0.0 ? 100.0 * math.abs(plus_di - minus_di) / (plus_di + minus_di) : 0.0
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adx = ta.rma(dx, adx_len)
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// mapping ADX (0..100) to a visible price range around close
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adx_mapped = close - map_range + (adx / 100.0) * (2 * map_range)
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// plotting (must be global scope; use ternary to hide)
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adx_color = adx >= adx_threshold ? adx_up_color : adx_dn_color
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// 只保留 ADX 背景（竖条）
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bgcolor(show_adx and adx >= adx_threshold ? color.new(adx_up_color, 90) : na)
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// DI 显示选项：三角表示当前主导方向；交叉显示为上下标签
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show_di_markers = input.bool(true, "DI markers (+DI > -DI shows up triangle)")
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show_di_cross = input.bool(true, "Show DI cross arrows")
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dominant_up = plus_di > minus_di
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dominant_dn = plus_di < minus_di
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plotshape(show_di and show_di_markers ? dominant_up : na, title="+DI dominant", location=location.belowbar, style=shape.triangleup, size=size.tiny, color=color.new(color.green,0))
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plotshape(show_di and show_di_markers ? dominant_dn : na, title="-DI dominant", location=location.abovebar, style=shape.triangledown, size=size.tiny, color=color.new(color.red,0))
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cross_up = ta.cross(plus_di, minus_di) and plus_di > minus_di
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cross_dn = ta.cross(minus_di, plus_di) and minus_di > plus_di
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plotshape(show_di and show_di_cross ? cross_up : na, title="DI cross up", location=location.belowbar, style=shape.labelup, text="+", color=color.new(color.green,0), size=size.tiny)
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plotshape(show_di and show_di_cross ? cross_dn : na, title="DI cross down", location=location.abovebar, style=shape.labeldown, text="-", color=color.new(color.red,0), size=size.tiny)
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// DX 显示（可选）：顶部小点，鼠标悬停可见数值
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show_dx = input.bool(false, "Show DX value (dot at top)")
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plotchar(show_dx ? dx : na, title="DX (0-100)", char='•', location=location.top, color=color.new(color.orange,0), size=size.tiny)
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// ATR on price (scaled) -> show as band around price
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band_scale = atr_scale
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upper = close + atr * band_scale
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lower = close - atr * band_scale
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p_upper = plot(show_atr_on_price ? upper : na, title="ATR Upper", color=color.new(atr_color, 0), linewidth=1)
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p_lower = plot(show_atr_on_price ? lower : na, title="ATR Lower", color=color.new(atr_color, 0), linewidth=1)
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fill(p_upper, p_lower, color=color.new(atr_color, 85))
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