Hi,
Can you explain what you mean by "shifted by an arbitrary distance"?
I am not seeing this behavior when I run your sample script.
Maybe what you are talking about is that the X axis in the first plot
is going from 0 to 21, and in the second plot it goes from 1 to 20.
This is because when you add a reference line, it sets the
trXMinF/trXMaxF resources to the exact min/max of the X data so that
the plot looks nicer.
I've attached a PS file that shows the results I get. Please compare it
with yours and let me know if they are different.
--Mary
-------------------------------------------------
Mary Haley haley@ucar.edu
NCAR/SCD/VETS 303-497-1254 (voice)
1850 Table Mesa Dr 303-497-1239 (fax)
Boulder, CO 80305
-------------------------------------------------
On Mon, 19 Sep 2005, Saji N. Hameed wrote:
> Hello,
>
> A colleague of mine encountered an unexpected behavior when he used the
> attribute gsnYRefline along with gsn_csm_xy2 -- one of the two line plots was
> shifted by an arbitrary distance.
>
> To illustrate the problem, consider the following code:
>
> ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>
> time=ispan(1,20,1)
> x=cos(time)
> y=20*cos(time)
>
> wks = gsn_open_wks("x11","xy")
> resL = True
> resR = True
> resR@xyDashPatterns = 1
>
> plot = gsn_csm_xy2(wks,time,x,y,resL,resR)
>
> ; If you add the attribute gsnYRefLine, the behavior is unexpected.
>
> resL@gsnYRefLine = 0.0
> plot = gsn_csm_xy2(wks,time,x,y,resL,resR)
> ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>
> Is this a feature or a bug?
>
> NCAR Command Language Version 4.2.0.a032
> Operating System (Linux, also encountered the bug on NCL running
> on Mac OS:Tiger)
>
> saji
> .....
>
> Saji N. Hameed
> Assistant Researcher
> International Pacific Research Center,
> 2525 Correa Road, Honolulu, HI 96822
>
> _______________________________________________
> ncl-talk mailing list
> ncl-talk@ucar.edu
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
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