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  • 07/03/2021 at 2:13 PM #173047 quote
    dave_moz
    Participant
    Junior

    Could anyone tell me if there is a way to show or hide an indicator based on conditions relating specifically to the current candle only?

    e.g.
    If low<EMAx and close>EMAx then display EMAx.

    I did try a custom EMA indicator but the the EMA only displayed on each candle in the past which met the criteria rather than just plotting the EMA on the chart.

    Thanks.

    07/03/2021 at 2:37 PM #173048 quote
    robertogozzi
    Moderator
    Master

    Try this one (not tested):

    MyEma = average[20,1](close)
t    = 0   //transparency = invisible
If low < MyEma and close > MyEma then
   t = 255
Endif
Return MyEma coloured(0,255,0,t) as “MyEma”

    it takes advantage of the optional 4th COLOUR parameter, transparency (0-255), to make ema visible only when conditions are met.

    07/03/2021 at 2:57 PM #173049 quote
    GraHal
    Participant
    Master

    Impressive Wizardry! 🙂

    Link to above added as Log 293 here …

    Snippet Link Library

    robertogozzi thanked this post
    07/03/2021 at 3:02 PM #173051 quote
    dave_moz
    Participant
    Junior

    Hi,

    Unfortunately this is still only displaying the MA on candles which meet the criteria.

    07/03/2021 at 3:07 PM #173054 quote
    robertogozzi
    Moderator
    Master

    Isn’t that what you meant with “If low<EMAx and close>EMAx then display EMAx”?

    07/03/2021 at 3:15 PM #173055 quote
    dave_moz
    Participant
    Junior

    Sorry, I didn’t make it clear.

    I want to be able to display MA[x] on the whole chart but only if the last day’s candle meets the requirements.

    So if today meets the conditions then MA[x] is displayed on the whole chart.

    Hope that makes sense!

    07/03/2021 at 5:17 PM #173065 quote
    robertogozzi
    Moderator
    Master

    There’s no instruction to achieve that, so it must be coded.

    I’ll make it asap.

    07/03/2021 at 5:36 PM #173066 quote
    dave_moz
    Participant
    Junior

    Great, thanks.

    07/04/2021 at 9:39 AM #173077 quote
    robertogozzi
    Moderator
    Master

    Bob’s your uncle:

    DEFPARAM DrawOnLastBarOnly = True
Periods  = 20      //Ema periods
LookBack = 200     //plot Ema on the last 200 bars
MyEma = average[Periods,1](close)
If low < MyEma and close > MyEma then
   FOR i = (LookBack - 1) DownTo 0
      j = i + 1
      DrawSegment(BarIndex[j],MyEma[j],BarIndex[i],MyEma[i]) coloured(0,255,0,255) style(Line,3)
   NEXT
Endif
Return

    Line 2 are the Ema periods and Line 3 are the number of bars you want the Ema to be plotted when conditions are met.

    dave_moz thanked this post
    07/04/2021 at 10:29 AM #173085 quote
    dave_moz
    Participant
    Junior

    That’s amazing, thank you!
    Works like a charm.

    icharttop thanked this post
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Switch indicators on/off


ProBuilder: Indicators & Custom Tools

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dave_moz @dave_mozyahoo-co-uk Participant
Summary

This topic contains 9 replies,
has 3 voices, and was last updated by dave_moz
4 years, 7 months ago.

Topic Details
Forum: ProBuilder: Indicators & Custom Tools
Language: English
Started: 07/03/2021
Status: Active
Attachments: No files
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