Re: [Gnuplot-info] Conditional plotting

[Thomas S. <t.s...@fz...>]

please post a few lines of your data file.



Thomas Sefzick wrote:
> 
> please provide some more information:
>  - what do you mean by 'isn't working'?
> plot "$1ind" using 1:2:3:4:5 notitle with candlesticks lt 7, \  - plots
> candlesticks as expected
> "$1ind" using 1:($23<0?$53:1/0) notitle with line lt 3, \ - plots nothing
> at all
> "$1ind" using 1:($23>0?$54:1/0) notitle with line lt 1 - plots a
> continuous line with a zero value
> 
>  - how does the data file look like (post some lines as example)?
> column 1 consists of dates in the format 29/5/2009
> column 23 consists of numbers ranging between -10 and 10
> columns 53 and 54 consist of values that are the same as the highs(53) and
> lows(54) of the candlestick plot
>  
> - do you expect the plotted lines to have a gaps where the data
>    are undefined (that's what gnuplot does) or do you want data
>    points to be connected over undefined regions?
> I expect/would like to plot data in column 53 when the data in column 23
> is less than zero    
> I expect/would like to plot data in column 54 when the data in column 23
> is greater than zero
> and when these conditions are not true the data in columns 53 and 54
> should not be plotted i.e. there
> should be gaps in the plots.
> 
> Essentially what I am trying to do is plot a stock chart with lines
> plotted at the highs and lows of the stock price over certain defined
> periods only.
> 
> 

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