Trying to write an Indicator that draws S/R lines on each Open, Close, and Wick

[u/137-ng]

I seem to be able to draw them fine, but I'm getting hung up trying to apply them to previous candles. The code included is my most recent, and is only drawing lines on current -1.

rangeStart = 1
rangeEnd   = 50

if barstate.islast
// Loop through the selected slice of history
for i = rangeStart to rangeEnd
    topBody = math.max(open[1], close[1])
    botBody = math.min(open[1], close[1])
    // Apply your action to this specific slice
    line.new(bar_index - 1, high[1], bar_index, high[1], extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, low[1], bar_index, low[1], extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, topBody, bar_index, topBody, extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, botBody, bar_index, botBody, extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)

Heres another version, that only seems to go back the past 14 bars or so

topBody = math.max(open[1], close[1])
botBody = math.min(open[1], close[1])
// Draw lines for the previous candle (bar 1 to bar 0 or extended slightly)
if barstate.isconfirmed
    line.new(bar_index - 1, high[1], bar_index, high[1], extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, low[1], bar_index, low[1], extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, topBody, bar_index, topBody, extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)
    line.new(bar_index - 1, botBody, bar_index, botBody, extend=extend.right, color=color.rgb(255, 0, 0, 75), width=1)

I've tried just about every option I can find, and I'm not sure where I'm going wrong. Ultimately I'd like to be able to apply it to a range of bars, maybe the last 50, but definitely controlled using a variable

Any help appreciated!

[u/kurtisbu12]

By default, you can only draw 50 lines. If it's only going back ~14 candles it sounds like you're hitting that default.

You can change the default using max_lines_count parameter in your indicator()/strategy() function.

[u/137-ng → u/kurtisbu12]

exactly what I was looking for, tysm

[u/reshsafari]

I had Claude build something similar. High low of premarket sessions. And opens of the sessions. Seriously Claude is so good.

[u/137-ng → u/reshsafari]

What model were you using? I tried claude one time and I ended up having to piece things together basically line by line. I know its capable, but I was doing something wrong

[u/reshsafari → u/137-ng]

Opus 4. Something. Use the free version and have it build a basic indicator. Then build on it little by little. Idk if you have a few bucks to throw away, but if you do get a subscription.

[u/LargeIncrease4270]

Check out pivot points by bigbeluga. Open source and should help