Re: contour problem

From: Mary Haley <haley_at_nyahnyahspammersnyahnyah>
Date: Tue May 08 2012 - 10:20:50 MDT

You also need to comment:

;plot_res@trYAxisType = "LinearAxis"

If you want a linear axis, you need to do this:

plot_res@gsnYAxisIrregular2Linear = True

This will cause your lines to curve again, though, because now your Y axis is aligned differently.

--Mary

On May 8, 2012, at 9:52 AM, ahmed lasheen wrote:

> thanks
> I do it , and the temperature lines are really straight but the y axes
> is only to 10 not to 18000.(the y axes reduced alot)
> and I got the following error .
> warning:ContourPlotSetValues: coordinate spacing is irregular; linear spacing only possible using index coordinates for Y Axis.
>
>
> On Tue, May 8, 2012 at 4:32 PM, Mary Haley <haley@ucar.edu> wrote:
> Ahmeed,
>
> Try commenting out
>
> plot_res@trGridType = "TriangularMesh"
>
> and let me know if you get what you expect.
>
> --Mary
>
> On May 8, 2012, at 3:56 AM, ahmed lasheen wrote:
>
> > Hello
> > thanks for your reply , both methods works.
> > But I am amazed that the contour lines of temperature is not straight ,it is curved although it should be straight .
> > I used the function write_matrix to plot the contour as a matrix to see
> > it and I found that it is really straight. I have attached the data text
> > , image , and code with the three lines added of function write_matrix.
> > is there is some kind of interpolation made by sfxArray or gsn_csm_contour.
> > thanks
> >
> > On Mon, May 7, 2012 at 5:16 PM, Mary Haley <haley@ucar.edu> wrote:
> > Hi,
> >
> > You are using "gsn_contour", which is a generic contouring routine that doesn't look for coordinate arrays attached to your data.
> >
> > You either need to use gsn_csm_contour instead, which will look for coordinate arrays, or, you need to add the following two lines:
> >
> > plot_res@sfYArray = z1
> > plot_res@sfXArray = temp
> >
> > --Mary
> >
> > On May 6, 2012, at 7:14 AM, ahmed lasheen wrote:
> >
> > > Hello
> > > I have a problem in plotting temperature field on scale certain x and y axis that differ from the index scale
> > > of the temperature field itself. .
> > > when I plot it , i found that the x and y axis change automatically to the index , how can i solve that?
> > > I have attached output image without plotting temperature and other with plotting the temperature.
> > > I have also attached the code
> > > thanks in advance
> > >
> > > --
> > > ===============
> > > Ahmed Lasheen
> > > Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
> > > Egyptian Meteorological Authority(EMA)
> > > Cairo,Egypt
> > > ===============
> > >
> > > <without_temp.png><with_temp.png><exp1.ncl>_______________________________________________
> > > ncl-talk mailing list
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> >
> >
> >
> >
> > --
> > ===============
> > Ahmed Lasheen
> > Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
> > Egyptian Meteorological Authority(EMA)
> > Cairo,Egypt
> > ===============
> >
> > <Screenshot.png><withtemp.png><exp1.ncl>_______________________________________________
> > ncl-talk mailing list
> > List instructions, subscriber options, unsubscribe:
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>
>
>
>
> --
> ===============
> Ahmed Lasheen
> Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
> Egyptian Meteorological Authority(EMA)
> Cairo,Egypt
> ===============
>
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Received on Tue May 8 10:20:59 2012

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