本页源码来自 TradingView 公开发布的开源脚本，版权归原作者所有， 请遵循其原始许可（Pine 脚本常见 CC BY-NC-SA / MPL-2.0 / MIT）。 本项目仅用于研究检索与许可范围内的移植。
// This work is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International https://creativecommons.org/licenses/by-nc-sa/4.0/
// © BigBeluga
//@version=6
indicator('DonAlt Toolkit [BigBeluga]', overlay = true, max_labels_count = 75, max_bars_back = 1000, max_lines_count = 500, max_boxes_count = 100)
bool allow = last_bar_index - bar_index < 400
// LEVELS {
bool display_lvl = input.bool(true, '', group = 'Levels', inline = '1')
int length = input(20, 'Period', group = 'Levels', inline = '1')
string style1 = input.string('Solid', '', options = ['Solid', 'Dashed'], group = 'Levels', inline = '1')
float filter = 20
color up = input.color(color.rgb(35, 184, 80, 30), '', group = 'Levels', inline = '1')
color dn = input.color(color.rgb(255, 82, 82, 30), '', group = 'Levels', inline = '1')
series float ph = ta.pivothigh(open, length, length)
series float pl = ta.pivotlow(close, length, length)
array<float> vol1 = array.new<float>()
var array<line> lines = array.new<line>(10)
array<box> boxes = array.new<box>()
// Method to normalize values between 0 and 100
method normalize(float src) =>
int coef = 100
float value = (src - ta.lowest(src, 200)) / (ta.highest(src, 200) - ta.lowest(src, 200)) * coef
value
// Calculating normalized volatility
series float volatility = ta.sma(high - low, 200)
series float n_volatility = (high - low).normalize()
high_ = close > open ? close : open
low_ = close > open ? open : close
if allow and display_lvl
style = switch style1
'Solid' => line.style_solid
'Dashed' => line.style_dashed
=> line.style_solid
if not na(ph)
int x1 = bar_index[length]
int x2 = bar_index[length]
float y1 = high_[length] + volatility * 2.5
float y2 = high_[length] - volatility * 2.5
float y = high_[length]
if n_volatility[length] > filter
lines.push(line.new(x1, y, x2, y, color = up, width = 1, style = style, force_overlay = true))
boxes.push(box.new(x1, y1, x2, y2, border_width = 0, bgcolor = color(na)))
if not na(pl)
int x1 = bar_index[length]
int x2 = bar_index[length]
float y1 = low_[length] + volatility * 1.5
float y2 = low_[length] - volatility * 1.5
float y = low_[length]
if n_volatility[length] > filter
lines.push(line.new(x1, y, x2, y, color = dn, width = 1, style = style))
boxes.push(box.new(x1, y1, x2, y2, border_width = 0, bgcolor = color(na)))
for i = 0 to lines.size() - 1 by 1
for line_id in lines
float line_y = line_id.get_y1()
if close > line_y
line_id.set_color(up)
else
line_id.set_color(dn)
if line_id.get_x1() != line_id.get_x2()
line_id.set_extend(extend.right)
for box_id in boxes
float top = box_id.get_top()
float bottom = box_id.get_bottom()
for line_id in lines
float line_y = line_id.get_y2()
if line_y > bottom and line_y < top
line_id.set_x2(bar_index + 500)
if lines.size() >= 15
line.delete(lines.shift())
line.new(na, na, na, na)
// }
// ORDER BLOCKS -- {
int box_amount = 20
bool display_ob = input.bool(false, '', inline = '2', group = 'OrderBlocks')
color col_bull = input.color(color.rgb(20, 190, 147, 70), '', inline = '2', group = 'OrderBlocks')
color col_bear = input.color(color.rgb(194, 25, 25, 70), '', inline = '2', group = 'OrderBlocks')
series float atr = ta.atr(200) * 0.5
bool bear_candle = close < open
bool bear_candles = bear_candle or bear_candle[1] or bear_candle[2] or bear_candle[3] or bear_candle[4]
bool bull_candle = close > open
bool bull_candles = bull_candle or bull_candle[1] or bull_candle[2] or bull_candle[3] or bull_candle[4]
bool isBull_gap = high[2] < low and high[2] < high[1] and low[2] < low and low - high[2] > atr * 0.5 and bear_candles
bool isBear_gap = low[2] > high and low[2] > low[1] and high[2] > high and low[2] - high > atr * 0.5 and bull_candles
// Logic for Bullish Imbalance
method draw_ob(bool gap, candle_type) =>
var boxes1 = array.new<box>(box_amount, box(na))
var candle_ = bool(na)
src_l = close
src_h = open
if candle_type
candle_ := close < open
src_l := close
src_h := open
src_h
else
candle_ := close > open
src_l := open
src_h := close
src_h
if gap
low_1 = candle_[1] ? src_l[1] : candle_[2] ? src_l[2] : candle_[3] ? src_l[3] : candle_[4] ? src_l[4] : src_l[2]
high_1 = candle_[1] ? src_h[1] : candle_[2] ? src_h[2] : candle_[3] ? src_h[3] : candle_[4] ? src_h[4] : src_h[2]
index = candle_[1] ? 1 : candle_[2] ? 2 : candle_[3] ? 3 : candle_[4] ? 4 : 2
box1 = box.new(bar_index - index, high_1, last_bar_index, low_1, chart.fg_color, 1, bgcolor = candle_type ? col_bull : col_bear, text_size = size.small, text_color = chart.fg_color, text_halign = text.align_right)
boxes1.push(box1)
for box_id in boxes1
box.set_right(box_id, bar_index + 25)
if candle_type ? high < box.get_bottom(box_id) : low > box.get_top(box_id)
box.delete(box_id)
boxes1.set(boxes1.indexof(box_id), box(na))
for box_id1 in boxes1
top1 = box_id1.get_top()
top = box_id.get_top()
bottom1 = box_id1.get_bottom()
bottom = box_id.get_bottom()
if top1 < top and top1 > bottom
box.delete(box_id)
boxes1.set(boxes1.indexof(box_id), box(na))
if top - bottom < atr * 0.5
box.delete(box_id)
boxes1.set(boxes1.indexof(box_id), box(na))
if boxes1.size() >= box_amount
box.delete(boxes1.shift())
if display_ob and allow
isBull_gap.draw_ob(true)
isBear_gap.draw_ob(false)
// }
// TrendLines {
bool display_tren = input.bool(false, '', group = 'TrendLine', inline = '3')
int Period = input.int(10, 'Period', group = 'TrendLine', inline = '3')
string style2 = input.string('Solid', '', options = ['Solid', 'Dashed'], group = 'TrendLine', inline = '3')
int extend_ = input.int(10, 'Extend', group = 'TrendLine', inline = '3')
color LineCol1 = input.color(#1bd663, '', group = 'TrendLine', inline = '4')
color LineCol2 = input.color(#d61b7f, '', group = 'TrendLine', inline = '4')
var array<line> Lines = array.new<line>(5)
PH = ta.pivothigh(source = high, leftbars = Period, rightbars = Period)
PL = ta.pivotlow(source = low, leftbars = Period, rightbars = Period)
method draw_trendLine(float pivot, bool line_slope) =>
var int Start = 0
var int end = 0
var int TIME = 1
var float YEnd = 0
var float YStart = 0
var float Slope = 0
var float src = 0
style = switch style2
'Solid' => line.style_solid
'Dashed' => line.style_dashed
=> line.style_solid
if not na(pivot)
BarTIME = time - time[1]
src := pivot
TIME := time[Period]
YStart := src[1]
Start := TIME[1]
Slope := (src - YStart) / (TIME - Start)
extend = BarTIME * extend_ * 2
end := TIME + extend
YEnd := src + extend * Slope
LineCond = Slope * time < 0 ? line_slope ? na : LineCol1 : line_slope ? LineCol2 : na
if not na(LineCond)
Lines.push(line.new(x1 = Start, y1 = YStart, x2 = end, y2 = YEnd, xloc = xloc.bar_time, color = LineCond, width = 1, style = style))
if display_tren and allow
PH.draw_trendLine(false)
PL.draw_trendLine(true)
if Lines.size() > 1
line.delete(Lines.shift())
// }