Re: draw xy plot from 3 dimensional variable

To minimize future questions to ncl-talk, I wrote the attached.

*YOU* must show some effort.

*Look* at the output from every printVarSummary.

*Study* the documentation for "lonFlip"

On 8/5/13 8:46 AM, Mary Haley wrote:
> I'm not sure what kind of XY plot you want to create from a 3D variable, but you can use the "ndtooned" to convert your 3D variable to a 1D variable.
>
> To create an XY plot, see our examples page:
>
> http://www.ncl.ucar.edu/Applications/xy.shtml
>
> If you want a scatter (points) plot, see:
>
> http://www.ncl.ucar.edu/Applications/scatter.shtml
>
> --Mary
>
> On Aug 5, 2013, at 4:43 AM, Setareh Rahimi wrote:
>
>>
>>
>> ---------- Forwarded message ----------
>> From: Setareh Rahimi <setareh.rahimi@gmail.com>
>> Date: Sun, Aug 4, 2013 at 7:50 AM
>> Subject: draw xy plot from 3 dimensional variable
>> To: ncl-talk@ucar.edu
>>
>>
>> Dear all,
>>
>> I know that my email have been seen by the member of the ncl groups, but since this is an ergent need I send this email again. Please kindlu advice me in this regard as soon as possible.
>>
>> After calculating SPI, I need to have a xy plot. My problem is that SPI has 3 dimensions, as you know to plot a xy plot 1 dimensional variables are needed. So my question is how can I convert 3 dimensinal SPI to 1 dimensinal. I need to plot SPI for whole Africa cntinent, not specific lat/lon.
>>
>> Thank you in advance.
>>
>> ______________________________________________________________________________________________________________________________________
>>
>> load"$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load"$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>> load"$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>>
>> begin
>>
>> f = addfile("precip.mon.total.v6.nc","r")
>> prc2 = f->precip({62456:77035},{-35:37},{344:50})
>> time = f->time({62456:77035} )
>>
>>
>> yyyymm_i = cd_calendar(time, -2)
>>
>> ntim = dimsizes(time)
>>
>> dimp = dimsizes(prc2)
>> ntim = dimp(0)
>> nlat = dimp(1)
>> mlon = dimp(2)
>> len = (/3,6,12,24/)
>> klen = dimsizes(len)
>> spi = new((/klen,ntim,nlat,mlon/),float)
>>
>>
>> do k=0,klen-1
>> spi(k,:,:,:) = dim_spi_n(prc2, len(k), False, 0)
>> end do
>> end
>>
>>
>>
>>
>>
>> --
>> S.Rahimi
>>
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>
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