PHP Code:
//@version=5
indicator('Structured zigzag support&resistance [LM]', shorttitle='Structured zigzag S/R [LM]', overlay=true, max_bars_back=500, max_lines_count = 500, max_boxes_count = 500, max_labels_count = 500)
var HIGH = 1, LOW = -1
var BOXES = 'boxes', LINES = 'lines'
i_horizontalType = input.string(LINES, 'Horizontal type', options=[LINES, BOXES], group='current S/R setting')
i_firstDepth = input.int(34, 'Depth', group='current S/R setting')
i_firstDeviation = input.float(6.0, 'Deviation', group='current S/R setting')
i_firstColor = input.color(color.blue, 'Color', group='current S/R setting')
i_extendLines = input.bool(true, 'Extend lines', group='current S/R setting')
i_lineCount = input.int(6, 'Line count', group='current S/R setting')
i_boxHighColor = input.color(color.green, 'Diagonal high color', group='diagonal line setting', inline='15')
i_boxLowColor = input.color(color.red, 'Diagonal low color', group='diagonal line setting', inline='15')
i_diagonalThickness = input.int(1, 'Line thickness', minval=1, group='diagonal line setting', inline='12')
i_diagonalLineStyle = input.string(line.style_dashed, 'Line style', options=[line.style_dotted, line.style_solid, line.style_dashed], group='diagonal line setting', inline='12')
i_diagonalColor = input.color(color.gray, 'Diagonal color', group='diagonal line setting', inline='13')
i_zigzagCount = input.int(200, 'Zigzag count', group='diagonal line setting', inline='14')
i_diagonalHighColor = input.color(color.green, 'Diagonal high color', group='diagonal line setting', inline='15')
i_diagonalLowColor = input.color(color.red, 'Diagonal low color', group='diagonal line setting', inline='15')
i_diagonalSRLineCount = input.int(2, 'Diagonal S/R line count', group='diagonal line setting', inline='16')
i_showDiagonalSRLines = input.bool(true, 'Show diagonal S/R lines', group='diagonal line setting', inline='16')
var zigZagArray = array.new_line()
var zigZagBoxArray = array.new_box()
var zigZagLabelArray = array.new_label()
var diagonalArray = array.new_line()
var diagonalSRArray = array.new_line()
var diagonalLabelArray = array.new_label()
var valueArray = array.new_float()
var typeArray = array.new_int()
var indexArray = array.new_int()
f_isUpCandle(_index) =>
open[_index] <= close[_index]
f_drawDiagonalLine(_x1, _x2, _y1, _y2, _lineColor, _lineThickness, _lineStyle, _extend) =>
line.new(x1=_x1, y1=_y1, x2=_x2, y2=_y2, color=_lineColor, style=_lineStyle, width=_lineThickness, extend=_extend)
f_drawDiagonalLabel(_xValue, _yValue, _text, _labelColor, _down) =>
adjustedYPosition = _down ? _yValue * 1.005: _yValue * 0.995
dlb = label.new(_xValue, adjustedYPosition , _text, xloc.bar_index, yloc.price, #00000000, label.style_none, _labelColor)
if array.size(diagonalLabelArray) == i_zigzagCount
label.delete(array.shift(diagonalLabelArray))
array.push(diagonalLabelArray, dlb)
f_createDiagonalLabelText(_yValue) =>
index = array.size(valueArray) - 3
if (index >= 0)
previousType = array.get(typeArray, index)
previousValue = array.get(valueArray, index)
previousType == HIGH ?
previousValue <= _yValue ? 'HH': "LH" :
previousValue <= _yValue ? 'HL': "LL"
else
''
f_drawDiagonalLines(_x1, _x2, _y1, _y2, _lineColor, _lineThickness, _lineStyle, _lineCount, _lineArray, _extend) =>
line l = f_drawDiagonalLine(_x1, _x2, _y1, _y2, _lineColor, _lineThickness, _lineStyle, _extend)
if array.size(_lineArray) == _lineCount
line.delete(array.shift(_lineArray))
array.push(_lineArray, l)
f_addValuesToArrays(_barIndex, _yValue, _type) =>
if array.size(valueArray) == i_zigzagCount
array.shift(valueArray)
array.shift(indexArray)
array.shift(typeArray)
array.push(valueArray, _yValue)
array.push(indexArray, _barIndex)
array.push(typeArray, _type)
f_getLastZigzag() =>
int size = array.size(valueArray) - 1
x1 = array.get(indexArray, size)
y1 = array.get(valueArray, size)
type = array.get(typeArray, size)
[x1, y1, type]
f_addDiagonalLine(_x2, _y2) =>
hasAtleastOnerecord = array.size(valueArray) >= 1
if (hasAtleastOnerecord)
[x1, y1, type] = f_getLastZigzag()
f_drawDiagonalLines(x1, _x2, y1, _y2, i_diagonalColor, i_diagonalThickness, i_diagonalLineStyle, i_zigzagCount, diagonalArray, extend.none)
f_drawDiagonalSRLine(_xValue, _yValue) =>
index = array.size(valueArray) - 2
if (i_showDiagonalSRLines and index >= 0)
previousType = array.get(typeArray, index)
previousValue = array.get(valueArray, index)
previousXValue = array.get(indexArray, index)
diagonalSRColor =previousType == HIGH ? i_diagonalHighColor: i_diagonalLowColor
f_drawDiagonalLines(previousXValue, _xValue, previousValue, _yValue, diagonalSRColor, i_diagonalThickness, i_diagonalLineStyle, i_diagonalSRLineCount, diagonalSRArray, extend.right)
f_zigzag(_depth, _deviation) =>
var lw = 1
var hg = 1
lw := lw + 1
hg := hg + 1
lowestValue = -ta.lowestbars(_depth)
highestValue = -ta.highestbars(_depth)
lowing = lw == lowestValue or low - low[lowestValue] > _deviation * syminfo.mintick
highing = hg == highestValue or high[highestValue] - high > _deviation * syminfo.mintick
lh = ta.barssince(not highing)
ll = ta.barssince(not lowing)
down = lh > ll
lower = low[lw] > low[lowestValue]
higher = high[hg] < high[highestValue]
if lw != lowestValue and (not down[1] or lower)
lw := lowestValue < hg ? lowestValue : 0
lw
if hg != highestValue and (down[1] or higher)
hg := highestValue < lw ? highestValue : 0
hg
x1 = down ? lw : hg
y1 = down ? low[lw] : high[hg]
lb = down ? label.style_label_up : label.style_label_down
[down != down[1], x1, y1, lw, hg, down]
f_drawLine(_x1, _x2, _yValue, _lineColor) =>
line.new(x1=_x1, y1=_yValue, x2=_x2, y2=_yValue, color=_lineColor, style=line.style_dotted, width=2)
f_drawBox(_x1, _x2, _high, _low, _boxColor) =>
box.new(_x1, _high, _x2, _low, bgcolor=_boxColor, border_style=line.style_dashed, border_color=_boxColor)
f_drawLabelCurrent(_x, _y, _textColor) =>
label.new(_x, _y, ' ' + str.tostring(_y), xloc.bar_index, yloc.price, #00000000, label.style_none, _textColor)
f_drawLabel(_yValue, _xValue, _labelColor, _text, _showLabels) =>
var label lb = na
label.delete(lb)
if _showLabels and not na(_yValue)
lb := label.new(x=_xValue, y=_yValue, text=_text, textcolor=_labelColor, style=label.style_none, xloc=xloc.bar_time, yloc=yloc.price)
lb
lb
f_extendArray(_lineArray, _labelArray, _extendLines) =>
if array.size(_lineArray) > 0
for _i = array.size(_lineArray) - 1 to 0 by 1
x2 = line.get_x2(array.get(_lineArray, _i))
yValue = line.get_y1(array.get(_lineArray, _i))
if _extendLines or bar_index - 1 == x2 and not(high > yValue and low < yValue)
line.set_x2(array.get(_lineArray, _i), bar_index)
label.set_x(array.get(_labelArray, _i), bar_index)
f_extendBoxArray(_boxArray, _labelArray) =>
if array.size(_boxArray) > 0
for _i = array.size(_boxArray) - 1 to 0 by 1
boxId = array.get(_boxArray, _i)
box.set_right(boxId, bar_index)
label.set_x(array.get(_labelArray, _i), bar_index)
f_addLines(_switch, _x1, _y1, _lw, _hg, _down, _colorLine) =>
if _switch
line l = na
label lab = na
nx = _down ? _hg : _lw
yValue = _down ? high[nx] : low[nx]
x1 = bar_index - nx
x2 = bar_index
if _down != _down[1] and not na(yValue)
f_addDiagonalLine(x1, yValue)
f_drawDiagonalSRLine(x1, yValue)
int type = _down ? HIGH : LOW
f_addValuesToArrays(x1, yValue, type)
l := f_drawLine(x1, x2, yValue, _colorLine)
lab := f_drawLabelCurrent(x2, yValue, _colorLine)
if array.size(zigZagArray) == i_lineCount
line.delete(array.shift(zigZagArray))
label.delete(array.shift(zigZagLabelArray))
diagonalLabelColor = _down ? i_diagonalHighColor: i_diagonalLowColor
f_drawDiagonalLabel(x1, yValue, f_createDiagonalLabelText(yValue), diagonalLabelColor, _down)
array.push(zigZagArray, l)
array.push(zigZagLabelArray, lab)
f_addBoxes(_switch, _x1, _y1, _lw, _hg, _down) =>
if _switch
box b = na
label lab = na
nx = _down ? _hg : _lw
yValue = _down ? high[nx] : low[nx]
x1 = bar_index - nx
x2 = bar_index
yValueHigh = _down? high[nx]: f_isUpCandle(nx)? open[nx] : close[nx]
yValueLow = not _down? low[nx]: f_isUpCandle(nx)? close[nx] : open[nx]
boxColor = color.new(_down ? i_boxHighColor: i_boxLowColor, 70)
if _down != _down[1] and not na(yValue)
f_addDiagonalLine(x1, yValue)
f_drawDiagonalSRLine(x1, yValue)
int type = _down ? HIGH : LOW
f_addValuesToArrays(x1, yValue, type)
b := f_drawBox(x1, x2, yValueHigh, yValueLow, boxColor)
lab := f_drawLabelCurrent(x2, yValue, boxColor)
if array.size(zigZagBoxArray) == i_lineCount
box.delete(array.shift(zigZagBoxArray))
label.delete(array.shift(zigZagLabelArray))
diagonalLabelColor = _down ? i_diagonalHighColor: i_diagonalLowColor
f_drawDiagonalLabel(x1, yValue, f_createDiagonalLabelText(yValue), diagonalLabelColor, _down)
array.push(zigZagBoxArray, b)
array.push(zigZagLabelArray, lab)
// current functions
[switch1, x11, y11, lw1, hg1, down1] = f_zigzag(i_firstDepth, i_firstDeviation)
if (i_horizontalType == LINES)
f_addLines(switch1, x11, y11, lw1, hg1, down1, i_firstColor)
f_extendArray(zigZagArray, zigZagLabelArray, i_extendLines)
else
f_addBoxes(switch1, x11, y11, lw1, hg1, down1)
f_extendBoxArray(zigZagBoxArray, zigZagLabelArray)
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Originally Posted by rosense
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