如何创建像这样的 TradingView 指标？
How to create TradingView indicators that look like this?
我一直在尝试创建与此类似的指标
This is the reference
我有 RSI、Stochastic RSI、MACD 和 50/100/200 MA（带十字）的代码，但尽管我正在学习，但我找不到任何关于如何像参考资料中那样创建视觉效果的信息相当长一段时间
以下是这些指标的代码：
50/100/200 MA 交叉（我自己编码）
indicator(title="3 EMA with Cross", shorttitle="3EMA Cross", overlay=true)
fast = 50
mid = 100
slow = 200
fastEMA = ta.ema(close, fast)
midEMA = ta.ema(close, mid)
slowEMA = ta.ema(close, slow)
bullishCross = ta.crossover(fastEMA, slowEMA)
bearishCross = ta.crossunder(fastEMA, slowEMA)
if (bullishCross)
lbl = label.new(bar_index, low, "Golden Cross")
label.set_color(lbl, color.green)
label.set_yloc(lbl, yloc.belowbar)
label.set_style(lbl, label.style_label_up)
if (bearishCross)
lbl = label.new(bar_index, low, "Death Cross")
label.set_color(lbl, color.red)
label.set_yloc(lbl, yloc.abovebar)
label.set_style(lbl, label.style_label_down)
plot(fastEMA, color=color.green, linewidth=2)
plot(midEMA, color=color.yellow, linewidth=2)
plot(slowEMA, color=color.red, linewidth=2)
RSI
indicator(title="Relative Strength Index", shorttitle="RSI", format=format.price, precision=2,
timeframe="", timeframe_gaps=true)
ma(source, length, type) =>
switch type
"SMA" => ta.sma(source, length)
"Bollinger Bands" => ta.sma(source, length)
"EMA" => ta.ema(source, length)
"SMMA (RMA)" => ta.rma(source, length)
"WMA" => ta.wma(source, length)
"VWMA" => ta.vwma(source, length)
rsiLengthInput = input.int(14, minval=1, title="RSI Length", group="RSI Settings")
rsiSourceInput = input.source(close, "Source", group="RSI Settings")
maTypeInput = input.string("SMA", title="MA Type", options=["SMA", "Bollinger Bands", "EMA", "SMMA (RMA)", "WMA", "VWMA"], group="MA Settings")
maLengthInput = input.int(14, title="MA Length", group="MA Settings")
bbMultInput = input.float(2.0, minval=0.001, maxval=50, title="BB StdDev", group="MA Settings")
up = ta.rma(math.max(ta.change(rsiSourceInput), 0), rsiLengthInput)
down = ta.rma(-math.min(ta.change(rsiSourceInput), 0), rsiLengthInput)
rsi = down == 0 ? 100 : up == 0 ? 0 : 100 - (100 / (1 + up / down))
rsiMA = ma(rsi, maLengthInput, maTypeInput)
isBB = maTypeInput == "Bollinger Bands"
plot(rsi, "RSI", color=#7E57C2)
plot(rsiMA, "RSI-based MA", color=color.yellow)
rsiUpperBand = hline(70, "RSI Upper Band", color=#787B86)
hline(50, "RSI Middle Band", color=color.new(#787B86, 50))
rsiLowerBand = hline(30, "RSI Lower Band", color=#787B86)
fill(rsiUpperBand, rsiLowerBand, color=color.rgb(126, 87, 194, 90), title="RSI Background Fill")
bbUpperBand = plot(isBB ? rsiMA + ta.stdev(rsi, maLengthInput) * bbMultInput : na, title = "Upper Bollinger Band", color=color.green)
bbLowerBand = plot(isBB ? rsiMA - ta.stdev(rsi, maLengthInput) * bbMultInput : na, title = "Lower Bollinger Band", color=color.green)
fill(bbUpperBand, bbLowerBand, color= isBB ? color.new(color.green, 90) : na, title="Bollinger Bands Background Fill")
MACD
indicator(title="Moving Average Convergence Divergence", shorttitle="MACD", timeframe="",
timeframe_gaps=true)
// Getting inputs
fast_length = input(title="Fast Length", defval=12)
slow_length = input(title="Slow Length", defval=26)
src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing", minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type", defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])
// Plot colors
col_macd = input(#2962FF, "MACD Line ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")
// Calculating
fast_ma = sma_source == "SMA" ? ta.sma(src, fast_length) : ta.ema(src, fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(src, slow_length) : ta.ema(src, slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
hist = macd - signal
plot(hist, title="Histogram", style=plot.style_columns, color=(hist>=0 ? (hist[1] < hist ?
col_grow_above : col_fall_above) : (hist[1] < hist ? col_grow_below : col_fall_below)))
plot(macd, title="MACD", color=col_macd)
plot(signal, title="Signal", color=col_signal)
随机 RSI
smoothK = input.int(3, "K", minval=1)
smoothD = input.int(3, "D", minval=1)
lengthRSI = input.int(14, "RSI Length", minval=1)
lengthStoch = input.int(14, "Stochastic Length", minval=1)
src = input(close, title="RSI Source")
rsi1 = ta.rsi(src, lengthRSI)
k = ta.sma(ta.stoch(rsi1, rsi1, rsi1, lengthStoch), smoothK)
d = ta.sma(k, smoothD)
plot(k, "K", color=#2962FF)
plot(d, "D", color=#FF6D00)
h0 = hline(80, "Upper Band", color=#787B86)
h1 = hline(20, "Lower Band", color=#787B86)
fill(h0, h1, color=color.rgb(33, 150, 243, 90), title="Background")```
//MACD
indicator(title="Moving Average Convergence Divergence", shorttitle="MACD", timeframe="", timeframe_gaps=true)
// Getting inputs
fast_length = input(title="Fast Length", defval=12)
slow_length = input(title="Slow Length", defval=26)
src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing", minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type", defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])
// Plot colors
col_macd = input(#2962FF, "MACD Line ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")
// Calculating
fast_ma = sma_source == "SMA" ? ta.sma(src, fast_length) : ta.ema(src, fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(src, slow_length) : ta.ema(src, slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
hist = macd - signal
plot(hist, title="Histogram", style=plot.style_columns, color=(hist>=0 ? (hist[1] < hist ? col_grow_above : col_fall_above) : (hist[1] < hist ? col_grow_below : col_fall_below)))
plot(macd, title="MACD", color=col_macd)
plot(signal, title="Signal", color=col_signal)
您可以为此使用带偏移量的 labels。偏移量将帮助您放置。
更新每个柱的标签并删除旧柱。
一个简单的例子：
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © vitruvius
//@version=5
indicator("My script")
rsi = ta.rsi(close, 14)
ema50 = ta.ema(close, 50)
rsi_off = 50
ema50_off = 25
rsi_up_trend = rsi < 30
ema_up_trend = close > ema50
var label l_rsi = na
var label l_ema50 = na
if barstate.islast
l_rsi := label.new(bar_index - rsi_off, 1, "RSI", color=rsi_up_trend ? color.green : color.red, style=label.style_triangleup, textcolor=color.white)
l_ema50 := label.new(bar_index - ema50_off, 1, "EMA50", color=ema_up_trend ? color.green : color.red, style=label.style_triangleup, textcolor=color.white)
label.delete(l_rsi[1])
label.delete(l_ema50[1])
我一直在尝试创建与此类似的指标
This is the reference
我有 RSI、Stochastic RSI、MACD 和 50/100/200 MA（带十字）的代码，但尽管我正在学习，但我找不到任何关于如何像参考资料中那样创建视觉效果的信息相当长一段时间
以下是这些指标的代码：
50/100/200 MA 交叉（我自己编码）
indicator(title="3 EMA with Cross", shorttitle="3EMA Cross", overlay=true)
fast = 50
mid = 100
slow = 200
fastEMA = ta.ema(close, fast)
midEMA = ta.ema(close, mid)
slowEMA = ta.ema(close, slow)
bullishCross = ta.crossover(fastEMA, slowEMA)
bearishCross = ta.crossunder(fastEMA, slowEMA)
if (bullishCross)
lbl = label.new(bar_index, low, "Golden Cross")
label.set_color(lbl, color.green)
label.set_yloc(lbl, yloc.belowbar)
label.set_style(lbl, label.style_label_up)
if (bearishCross)
lbl = label.new(bar_index, low, "Death Cross")
label.set_color(lbl, color.red)
label.set_yloc(lbl, yloc.abovebar)
label.set_style(lbl, label.style_label_down)
plot(fastEMA, color=color.green, linewidth=2)
plot(midEMA, color=color.yellow, linewidth=2)
plot(slowEMA, color=color.red, linewidth=2)
RSI
indicator(title="Relative Strength Index", shorttitle="RSI", format=format.price, precision=2,
timeframe="", timeframe_gaps=true)
ma(source, length, type) =>
switch type
"SMA" => ta.sma(source, length)
"Bollinger Bands" => ta.sma(source, length)
"EMA" => ta.ema(source, length)
"SMMA (RMA)" => ta.rma(source, length)
"WMA" => ta.wma(source, length)
"VWMA" => ta.vwma(source, length)
rsiLengthInput = input.int(14, minval=1, title="RSI Length", group="RSI Settings")
rsiSourceInput = input.source(close, "Source", group="RSI Settings")
maTypeInput = input.string("SMA", title="MA Type", options=["SMA", "Bollinger Bands", "EMA", "SMMA (RMA)", "WMA", "VWMA"], group="MA Settings")
maLengthInput = input.int(14, title="MA Length", group="MA Settings")
bbMultInput = input.float(2.0, minval=0.001, maxval=50, title="BB StdDev", group="MA Settings")
up = ta.rma(math.max(ta.change(rsiSourceInput), 0), rsiLengthInput)
down = ta.rma(-math.min(ta.change(rsiSourceInput), 0), rsiLengthInput)
rsi = down == 0 ? 100 : up == 0 ? 0 : 100 - (100 / (1 + up / down))
rsiMA = ma(rsi, maLengthInput, maTypeInput)
isBB = maTypeInput == "Bollinger Bands"
plot(rsi, "RSI", color=#7E57C2)
plot(rsiMA, "RSI-based MA", color=color.yellow)
rsiUpperBand = hline(70, "RSI Upper Band", color=#787B86)
hline(50, "RSI Middle Band", color=color.new(#787B86, 50))
rsiLowerBand = hline(30, "RSI Lower Band", color=#787B86)
fill(rsiUpperBand, rsiLowerBand, color=color.rgb(126, 87, 194, 90), title="RSI Background Fill")
bbUpperBand = plot(isBB ? rsiMA + ta.stdev(rsi, maLengthInput) * bbMultInput : na, title = "Upper Bollinger Band", color=color.green)
bbLowerBand = plot(isBB ? rsiMA - ta.stdev(rsi, maLengthInput) * bbMultInput : na, title = "Lower Bollinger Band", color=color.green)
fill(bbUpperBand, bbLowerBand, color= isBB ? color.new(color.green, 90) : na, title="Bollinger Bands Background Fill")
MACD
indicator(title="Moving Average Convergence Divergence", shorttitle="MACD", timeframe="",
timeframe_gaps=true)
// Getting inputs
fast_length = input(title="Fast Length", defval=12)
slow_length = input(title="Slow Length", defval=26)
src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing", minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type", defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])
// Plot colors
col_macd = input(#2962FF, "MACD Line ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")
// Calculating
fast_ma = sma_source == "SMA" ? ta.sma(src, fast_length) : ta.ema(src, fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(src, slow_length) : ta.ema(src, slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
hist = macd - signal
plot(hist, title="Histogram", style=plot.style_columns, color=(hist>=0 ? (hist[1] < hist ?
col_grow_above : col_fall_above) : (hist[1] < hist ? col_grow_below : col_fall_below)))
plot(macd, title="MACD", color=col_macd)
plot(signal, title="Signal", color=col_signal)
随机 RSI
smoothK = input.int(3, "K", minval=1)
smoothD = input.int(3, "D", minval=1)
lengthRSI = input.int(14, "RSI Length", minval=1)
lengthStoch = input.int(14, "Stochastic Length", minval=1)
src = input(close, title="RSI Source")
rsi1 = ta.rsi(src, lengthRSI)
k = ta.sma(ta.stoch(rsi1, rsi1, rsi1, lengthStoch), smoothK)
d = ta.sma(k, smoothD)
plot(k, "K", color=#2962FF)
plot(d, "D", color=#FF6D00)
h0 = hline(80, "Upper Band", color=#787B86)
h1 = hline(20, "Lower Band", color=#787B86)
fill(h0, h1, color=color.rgb(33, 150, 243, 90), title="Background")```
//MACD
indicator(title="Moving Average Convergence Divergence", shorttitle="MACD", timeframe="", timeframe_gaps=true)
// Getting inputs
fast_length = input(title="Fast Length", defval=12)
slow_length = input(title="Slow Length", defval=26)
src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing", minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type", defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])
// Plot colors
col_macd = input(#2962FF, "MACD Line ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")
// Calculating
fast_ma = sma_source == "SMA" ? ta.sma(src, fast_length) : ta.ema(src, fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(src, slow_length) : ta.ema(src, slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
hist = macd - signal
plot(hist, title="Histogram", style=plot.style_columns, color=(hist>=0 ? (hist[1] < hist ? col_grow_above : col_fall_above) : (hist[1] < hist ? col_grow_below : col_fall_below)))
plot(macd, title="MACD", color=col_macd)
plot(signal, title="Signal", color=col_signal)
您可以为此使用带偏移量的 labels。偏移量将帮助您放置。
更新每个柱的标签并删除旧柱。
一个简单的例子：
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © vitruvius
//@version=5
indicator("My script")
rsi = ta.rsi(close, 14)
ema50 = ta.ema(close, 50)
rsi_off = 50
ema50_off = 25
rsi_up_trend = rsi < 30
ema_up_trend = close > ema50
var label l_rsi = na
var label l_ema50 = na
if barstate.islast
l_rsi := label.new(bar_index - rsi_off, 1, "RSI", color=rsi_up_trend ? color.green : color.red, style=label.style_triangleup, textcolor=color.white)
l_ema50 := label.new(bar_index - ema50_off, 1, "EMA50", color=ema_up_trend ? color.green : color.red, style=label.style_triangleup, textcolor=color.white)
label.delete(l_rsi[1])
label.delete(l_ema50[1])