Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of tsippel
> Sent: Thursday, January 08, 2009 3:23 PM
> To: r-help at r-project.org
> Subject: [R] Alignment of image plot overlay
>
>
> I'm having trouble with alignment of a trend line overlayed onto an
> image
> plot. The two should be plotted on the same x-axis (time-series).
> However,
> the trend line begins about an inch into the image plot x-axis and ends
> about an inch off of end of the image plot. Once I have the alignment
> sorted, I need to put a secondary y-axis on the image plot which is
> scaled
> for the trend line. An example plot is attached. My code follows.
>
> tad.image(ptt.tad, dbins, interp=T, loess.interp=F, ylim=c(300,1),
> main="STM07.4", zlim=c(0,1))
> axis(4, at=c(1,2,3,4), labels=c(1,2,3,4), tick=T, las=1)
> par(new=T)
> plot(x=stm$dal, y=stm$model, ann=F, axes=F, type="l", col="black",
> lwd=2)
>
> Ideas involving the use of par(usr=c(,,,)) haven't solved the issue,
> and
> attempting to convert the x-axis coordinates using the function
> grconvertX()
> hasn't worked either. Using the axis function as shown here hasn't
> helped
> either.
>
> The function above called tad.image() was written by someone else, but
> it
> calls the image() function to make the plot shown.
>
>
>
> http://www.nabble.com/file/p21362251/test.plot.jpeg test.plot.jpeg
> --
> View this message in context: http://www.nabble.com/Alignment-of-image-
> plot-overlay-tp21362251p21362251.html
> Sent from the R help mailing list archive at Nabble.com.
>
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