Liquidity Levels [LuxAlgo]

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。

Pine Script

// This work is licensed under a Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) https://creativecommons.org/licenses/by-nc-sa/4.0/
// © LuxAlgo
 
//@version=4
study("Peak Activity Levels [LUX]",overlay=true,max_bars_back=2000,max_lines_count=500,max_boxes_count=500)
length   = input(20,minval=1)
show     = input(5,'Number Of Levels',minval=1)
 
line_col  = input('Fixed','Levels Color Mode',options=['Relative','Random','Fixed'])
lvl_style = input('──','Levels Style',options=['──','- - -','· · ·'])
 
relative_col_up = input(#2157f3,'',inline='lvlcol')
relative_col_dn = input(#ff5d00,'',inline='lvlcol')
fixed_col       = input(#2157f3,'Fixed Color',inline='lvlcol')
 
show_hist = input(true,'Show Histogram',group='Histogram')
distwin   = input(200,'Histogram Window',maxval=500,group='Histogram')
upcol     = input(color.new(#2157f3,50),'Bins Colors',group='Histogram',inline='col')
dncol     = input(color.new(#ff5d00,50),'',group='Histogram',inline='col')
//----
var color css = na
var lines = array.new_line(0)
var upbox = array.new_box(0)
var dnbox = array.new_box(0)
var randcol = array.new_color(0)
if barstate.isfirst
    for i = 0 to show-1
        array.push(lines,line.new(na,na,na,na))
        array.push(upbox,box.new(na,na,na,na))
        array.push(dnbox,box.new(na,na,na,na))
        if line_col == 'Random'
            array.push(randcol,color.rgb(random(0,255),random(0,255),random(0,255)))
//----
os = 0.
n = bar_index
src = close
var y = array.new_float(0)
//----
ph = pivothigh(volume,length,length)
if ph
    array.unshift(y,src[length])
//----
a = 0.
b = 0.
if barstate.islast
    slice = array.slice(y,0,show+1)
    array.sort(slice)
    for i = 0 to show-1
        lvl = array.get(y,i)
        
        if line_col =='Relative'
            css := src > lvl ? relative_col_up : relative_col_dn
        else if line_col =='Random'
            css := array.get(randcol,i)
        else
            css := fixed_col
        
        l = array.get(lines,i)
        line.set_xy1(l,n,lvl)
        line.set_xy2(l,n-1,lvl)
        line.set_extend(l,extend.right)
        line.set_color(l,css)
        
        if lvl_style == '- - -'
            line.set_style(l,line.style_dashed)
        else if lvl_style == '· · ·'
            line.set_style(l,line.style_dotted)
        
        up = 1
        dn = 1
        if show != 1 and i != 0 and show_hist
            for j = 0 to distwin-1
                a := array.get(slice,i)
                b := array.get(slice,i-1)
                up := max(a,b) > src[j] and min(a,b) < src[j] and src[j] > open[j] ? up+1 : up
                dn := max(a,b) > src[j] and min(a,b) < src[j] and src[j] < open[j] ? dn+1 : dn
            
            sum = up + dn
            box_a = array.get(dnbox,i)
            box_b = array.get(upbox,i)
            
            box.set_rightbottom(box_a,n+sum,min(a,b))
            box.set_lefttop(box_a,n+up,max(a,b))
            box.set_border_color(box_a,na)
            box.set_bgcolor(box_a,dncol)
            
            box.set_rightbottom(box_b,n+1,max(a,b))
            box.set_lefttop(box_b,n+up,min(a,b))
            box.set_border_color(box_b,na)
            box.set_bgcolor(box_b,upcol)

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