draw xy plot from 3 dimensional variable

From: Setareh Rahimi <setareh.rahimi_at_nyahnyahspammersnyahnyah>
Date: Sun Aug 04 2013 - 00:50:09 MDT

Dear all,

After calculating SPI, I need to have a xy plot. My problem is that SPI has
3 dimensional , as you know to plot a xy plot 1 dimensional variable is
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)

    year = yyyymm_i/100
    firstyr = year(0)
    lastyr = year(ntim-1)
    nyear = lastyr-firstyr+1
    YYYYMM = yyyymm_time(firstyr,lastyr , "integer")
    yrfrac = yyyymm_to_yyyyfrac(YYYYMM,0.0)

    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

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Sun Aug 4 00:50:21 2013

This archive was generated by hypermail 2.1.8 : Wed Aug 07 2013 - 13:59:00 MDT