draw price on horizontal segement

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  • #231340 quote
    samm85
    Participant
    New

    Hi

    I have an indicator which draws a horizontal segment for a given set of conditions, i would like to have it display the price that the segment is drawn at and have played around with various Anchor commands and drawtext options but cannot get it draw the price on the segment. Is there a way of doing this? Thanks

    The relevant section of the code:

    if conditions and not conditions[1] and sigdown then

    drawarrowUP(barindex,low-10) COLOURED (0,255,0)
    memobar=barindex
    memolow=low
    memohigh=high
    sigup=1
    sigdown=0

    DRAWSEGMENT(memobar, memohigh+1, memobar+5, memohigh+1)STYLE (DOTTEDLINE,1)COLOURED (255,255,0)
    DRAWSEGMENT(memobar, memohigh+1, memobar+5, memohigh+1)COLOURED (0,255,0)
    DRAWSEGMENT(memobar, memoLOW, memobar+5, memoLOW)COLOURED (0,255,0)

    druby thanked this post
    #231346 quote
    Iván González
    Moderator
    Master

    Hi!
    Here you have an example:
    You have to write drawtext("#yourvar#",x,y)

    ma1 = average[20](close)
    ma2 = average[100](close)
    if ma1 crosses over ma2 then
    myprice=close
    drawtext("#myprice#",barindex,low-0.25*tr)
    endif
    
    return ma1 coloured("red"), ma2 coloured("blue")
    samm85 thanked this post
    #231349 quote
    samm85
    Participant
    New

    Brilliant, thank you!

    #231357 quote
    druby
    Participant
    New

    Hi..

    Using ‘drawtext()’ can get a bit tricky, since no ‘mask’ of text, creating a smudge effect when chart scrolls.

    Often you have to use ‘DEFPARAM drawOnLastBarOnly = true’  to avoid that, but this affects historical drawn items, if there required!

    Then you may decide on using two similar indicators, one =true for text and other = false for historical draw items, overlapped on same chart pane.

    Here’s a different example I thought up after seeing your post, didn’t realise this myself till trying it, so may be gremlins out of sight!

    druby

     

    // display a line segment's 'y' value as label in 'y' scale bar
    
    if islastbarupdate then  //  my condition block
    
    // if condition is true draw line segment
    drawsegment(barindex[10],high[10],barindex,high[10])coloured(255,0,0,255)style(dottedline,1)
    
    // also, set a variable to the 'y' value of segment inside the condition block!
    linne = high[10]  // this is current segment's 'y' level
    else
    linne = undefined // defaults to '0' before condition sets, avoid auto 'y' scale issue on chart!
                      // if extreme values used, mainly on independent indicator panels, no price!
                      // doesn't have to be set 'undefined' here, could be at beginning of program.
    
    endif // end of condition block
    
    return high as "high", linne coloured(255,0,0,0) as "linne" // set name and colour but transparency to zero
    
    // colour sets both the return variable's line and label colour
    // setting transparency to 'zero' hides line,
    // but it doesn't work on label, leaving visible.
    
    // a bonus!..., each line segments 'y' value is available at the 'rhs' end of each 
    // segments line if probed with cursor.
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draw price on horizontal segement


ProBuilder: Indicators & Custom Tools

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samm85 @samm85 Participant
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This topic contains 3 replies,
has 3 voices, and was last updated by druby
1 year, 10 months ago.

Topic Details
Forum: ProBuilder: Indicators & Custom Tools
Language: English
Started: 04/10/2024
Status: Active
Attachments: 1 files
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