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Re: Adding line to a barplot [message #93194 is a reply to message #93179]

Tue, 10 May 2016 22:49

ZP Yin
Messages: 3
Registered: April 2016

Junior Member

在 2016年5月9日星期一 UTC+8下午10:53:43，Jess写道：
> Hello,
>
> I use the following lines to plot a line on top of a barchart
>
> data1=[277.9,260.4,257.6,169.0,89.3,31.7,18.9,23.2,79.6,163. 4,207.6,255.5]
> data2=[26,26,27,27,26,26,25,25,26,27,27,26]
> cols=intarr(12)+80
> cgbarplot,data1,yrange=[0,300],color=cols
> cgaxis, yaxis=1,yrange=[20,30],/save
> cgoplot,indgen(12)+0.5, data2,psym=-6
>

you can watch the example 'Bar Plot with Error Bars' in https://www.idlcoyote.com/gallery/
for help

And as wlandsman has answersed, barcoords output keyword to cgbarplot would be useful.

> My problem is that I cannot make the points in the line centre over the middle of the bars. Does anyone know how to fix this?
>
> Many thanks,
>
> Jess

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[Message index]

		Adding line to a barplot By: jecca.baker on Mon, 09 May 2016 07:53
		Re: Adding line to a barplot By: wlandsman on Mon, 09 May 2016 10:22
		Re: Adding line to a barplot By: ZP Yin on Tue, 10 May 2016 22:49
		Re: Adding line to a barplot By: jecca.baker on Thu, 26 May 2016 06:31

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