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[英]tradingview pinescript cannot use mutable variable in security function as an argument
[英]tradingview pinescript 15min data on 1sec chart cannot use mutable variable in security function as an argument
我需要在 1 秒圖表上使用這個指標,並從 15 分鍾圖表中獲取數據。 我嘗試使用安全 function,但這給了我這個錯誤:不能使用可變變量作為安全函數的參數”
//@version=4
////////
// Fetch Ingredients
// [
Depth = input(7, "Depth", input.integer, minval=1, step=1)
Deviation = input(5, "Deviation", input.integer, minval=1, step=1)
Backstep = input(2, "Backstep", input.integer, minval=2, step=1)
line_thick = input(2, "Line Thickness", input.integer, minval=1, maxval=4)
upcolor = input(color.lime, "Bull Color")
dncolor = input(color.red, "Bear Color")
repaint = input(true, "Repaint Levels")
// ]
////////
// Bake
// [
var last_h = 1, last_h := last_h + 1
var last_l = 1, last_l := last_l + 1
var lw = 1, var hg = 1
lw := lw + 1, hg := hg + 1
p_lw = -lowestbars(Depth), p_hg = -highestbars(Depth)
lowing = lw == p_lw or low - low[p_lw] > Deviation*syminfo.mintick
highing = hg == p_hg or high[p_hg] - high > Deviation*syminfo.mintick
lh = barssince(not highing[1]), ll = barssince(not lowing[1])
down = barssince(not (lh > ll)) >= Backstep, lower = low[lw] > low[p_lw], higher = high[hg] < high[p_hg]
if lw != p_lw and (not down[1] or lower)
lw := p_lw < hg ? p_lw : 0
if hg != p_hg and (down[1] or higher)
hg := p_hg < lw ? p_hg : 0
line zz = na
label point = na
x1 = down ? lw : hg
y1 = down ? low[lw] : high[hg]
if down == down[1]
if repaint
label.delete(point[1])
line.delete(zz[1])
down
if down != down[1]
if down
last_h := hg
else
last_l := lw
if not repaint
nx = down?last_h:last_l
zz := line.new(bar_index-nx, down ? high[nx] : low[nx], bar_index-(down?last_l:last_h), down ? low[last_l] : high[last_h], width=line_thick, color=down?upcolor:dncolor)
point := label.new(bar_index-nx, down ? high[nx] : low[nx], down ? (high[nx] > high[last_h[1]]?"HH":"LH") : (low[nx] < low[last_l[1]] ? "LL" : "HL"), style=down?label.style_label_down:label.style_label_up, size=size.tiny, color=down?dncolor:upcolor, textcolor=color.black, tooltip = down ? (high[nx] > high[last_h[1]]?"Higher High":"Lower High") : (low[nx] < low[last_l[1]] ? "Lower Low" : "Higher Low"))
down
if repaint
zz := line.new(bar_index-(down?last_h:last_l), down ? high[last_h] : low[last_l], bar_index-x1, y1, width=line_thick, color=down?dncolor:upcolor)
point := label.new(bar_index-x1, y1, down ? (low[x1] < low[last_l] ? "LL" : "HL") : (high[x1] > high[last_h]?"HH":"LH"), style=down?label.style_label_up:label.style_label_down, size=size.tiny, color=down?upcolor:dncolor, textcolor=color.black, tooltip = down ? (low[x1] < low[last_l] ? "Lower Low" : "Higher Low") : (high[x1] > high[last_h]?"Higher High":"Lower High"))
// ]
我真正需要的只是指標中的這個邏輯
low[x1] > low[last_l]
我不能簡單地將深度從 7 更改為 6300 來獲得我想要的結果,因為要處理的蠟燭太多了。 所以我嘗試使用安全 function,但無法使其正常工作。
我將非常感謝您的幫助。
您在這里有兩個問題:
last_l
變量是可變的(使用:=
重新分配),因此需要將其計算封裝在 function 中,然后可以使用security()
調用該變量。像 MTF Ichimokus 或 pivot 腳本這樣的腳本總是會遇到問題 #2。 沒有完美的方法來解決這個難題。此 MTF pivot 腳本顯示了如何回顧圖表的過去條形以查找 HTF 中標識的 pivot 值的最接近值。 這是一種妥協,可能不適用於所有情況。
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