[ncl-talk] month_to_season
Najib Yusuf
najibgal at yahoo.com
Fri May 27 05:01:25 MDT 2022
Dear Dennis,
I have done as you advise, 1 to 5 all work out, thank you, but I had to do this first:
o3x_surf_flip := lonFlip(o3x_surf)
printVarSummary(o3x_surf_flip) ,,,,,,,and it works, prior to the seasons average but the xSea_surf (below)
xSea_surf = month_to_seasonN(o3x_surf_flip,(/"DJF","MAM","JJA","SON"/)) printVarSummary(xSea_surf)
is giving this error:
(0) contributed: month_to_seasonN: rank=2(0) ----- rank currently not handled -----(0) contributed: month_to_season12: rank=2(0) ----- rank currently not handled -----fatal:Illegal right-hand side type for assignment
I haven't seen this rank error before. Please help out.
Thank you
Summary of variablesVariable: o3xType: floatTotal Size: 148635648 bytes 37158912 valuesNumber of Dimensions: 4Dimensions and sizes: [time | 12] x [lev | 56] x [lat | 192] x [lon | 288]Coordinates: time: [2953..3287] lev: [1.867879997007549..992.5000106104562] lat: [ -90.. 90] lon: [ 0..358.75]Number Of Attributes: 4 mdims : 1 units : mol/mol long_name : O3 concentration cell_methods : time: mean
Variable: o3x_surfType: floatTotal Size: 221184 bytes 55296 valuesNumber of Dimensions: 2Dimensions and sizes: [lat | 192] x [lon | 288]Coordinates: lat: [ -90.. 90] lon: [ 0..358.75]Number Of Attributes: 6 lev : 992.5000106104562 time : 2953 cell_methods : time: mean long_name : O3 concentration units : mol/mol mdims : 1(0) O3 concentration (mol/mol) : min=3.61245 max=77.7517
Variable: o3x_surf_flipType: floatTotal Size: 221184 bytes 55296 valuesNumber of Dimensions: 2Dimensions and sizes: [lat | 192] x [lon | 288]Coordinates: lat: [ -90.. 90] lon: [-180..178.75]Number Of Attributes: 7 lev : 992.5000106104562 time : 2953 cell_methods : time: mean long_name : O3 concentration units : mol/mol mdims : 1 lonFlip : longitude coordinate variable has been reordered via lonFlip
Variable: xMonType: integerTotal Size: 48 bytes 12 valuesNumber of Dimensions: 1Dimensions and sizes: [time | 12]Coordinates: time: [2953..3287]Number Of Attributes: 1 long_name : current date (YYYYMMDD)
Variable: xMonType: integerTotal Size: 48 bytes 12 valuesNumber of Dimensions: 1Dimensions and sizes: [time | 12]Coordinates: time: [2953..3287]Number Of Attributes: 1 long_name : current date (YYYYMMDD)(0) 20130201(1) 20130301(2) 20130401(3) 20130501(4) 20130601(5) 20130701(6) 20130801(7) 20130901(8) 20131001(9) 20131101(10) 20131201(11) 20140101(0) contributed: month_to_seasonN: rank=2(0) ----- rank currently not handled -----(0) contributed: month_to_season12: rank=2(0) ----- rank currently not handled -----fatal:Illegal right-hand side type for assignmentfatal:["Execute.c":8637]:Execute: Error occurred at or near line 8300 in file $NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl
fatal:["Execute.c":8637]:Execute: Error occurred at or near line 55 in file month_to_seasO3.ncl
------------------------------------
Najib Yusuf Galadanci Ph.D.
Assistant Director (R & D)
Lower Atmospheric Dynamics
(Aerosol radiative forcing, air quality observations and modeling)
Centre for Atmospheric Research
National Space Research and Development Agency. Kogi State
University Campus, Anyigba. Kogi State. Nigeria
+234 80 3871 4158
------------------------------------Know that Victory comes with Patience, Relief with Affliction, and Ease with Hardship.
Prophet Muhammad Rasulullah
On Friday, May 27, 2022, 11:58:25 AM GMT+1, Najib Yusuf <najibgal at yahoo.com> wrote:
Dear Dennis,
I have done as you advise, 1 to 5 all work out, thank you, but I had to do this first:
o3x_surf_flip := lonFlip(o3x_surf)
printVarSummary(o3x_surf_flip) ,,,,,,,and it works, prior to the seasons average but the xSea_surf (below)
xSea_surf = month_to_seasonN(o3x_surf_flip,(/"DJF","MAM","JJA","SON"/)) printVarSummary(xSea_surf)
is giving this error:
(0) contributed: month_to_seasonN: rank=2(0) ----- rank currently not handled -----(0) contributed: month_to_season12: rank=2(0) ----- rank currently not handled -----fatal:Illegal right-hand side type for assignment
I haven't seen this rank error before. Please help out.
Thank you
------------------------------------
Najib Yusuf Galadanci Ph.D.
Assistant Director (R & D)
Lower Atmospheric Dynamics
(Aerosol radiative forcing, air quality observations and modeling)
Centre for Atmospheric Research
National Space Research and Development Agency. Kogi State
University Campus, Anyigba. Kogi State. Nigeria
+234 80 3871 4158
------------------------------------Know that Victory comes with Patience, Relief with Affliction, and Ease with Hardship.
Prophet Muhammad Rasulullah
On Thursday, May 26, 2022, 03:36:37 PM GMT+1, Dennis Shea <shea at ucar.edu> wrote:
It is always best to examine the variable's structure via printVarSummary(...)
[1]
o3x = f[:]->O3
printVarSummary(o3x) ; I speculate 4 dimensions (time,level,lat,lon)
[2]
o3x_surf = o3x(0,55,:,:)
printVarSummary(o3x_surf) ; TWO dimension (lat,lon); NO 'time' dimension
I think you want
o3x_surf = o3x(:,55,:,:) ; (time,lat,lon)
[3]
; seasons average at surface
xDJF = month_to_seasonN(o3x,(/"DJF","MAM","JJA","SON"/))
printVarSummary(xDJF) ; I speculate (4,lat,lon)
The name xDJF implies a one season mean for DJF but it is not.
I think it should contain 4 seasonal means
I think you should name it xSea for 'season'
xSea_surf = month_to_seasonN(o3x_surf,(/"DJF","MAM","JJA","SON"/))
printVarSummary(xSea_surf) ; I speculate (4,lat,lon)
[4]
The following creates a scalar variable of type string
o3x_surf1 = "DJF"
print(03x_surf1)
I have no idea why you are doing this.
***This has no spatial information.*** It cannot be plotted on a map.
[5]
The rest is too confusing to explain.
To get to the 'answer'
xSea_surf(4,lat,lon)
has spatial coordinates:
lat: [ -90.. 90]
lon: [ 0..358.75]
You must use lonFlip to get longitudes to get the -180->180 range
xSea_surf := lonFlip(xSea_surf)
printVarSummary(xSea_surf) ; look at 'new' coordinates
-- res at gsnLeftString = "DJF_dry cold"
plot1 = gsn_csm_contour_map_ce(wks,xSea_surf(0,{-35:35},{-30:60}),res)
res at gsnLeftString = "MAM_dry warm"
plot2 = gsn_csm_contour_map_ce(wks,xSea_surf2(1,:,:),res)
etc
=======
I did this VERY QUICKLY. there may be errors but you shuld have the idea of how to proceed.
Good Luck
On Thu, May 26, 2022 at 6:59 AM Najib Yusuf via ncl-talk <ncl-talk at mailman.ucar.edu> wrote:
Dear NCL experts and colleagues,
I have an error with the subscripting in the attached script while trying to plot spatial distribution month_to_season surface Ozone model data. I did try to change my subscripting to solve the error but seems beyond my little understanding of subscripting in ncl. Kindly assist.
Variable: o3x_surfType: floatTotal Size: 221184 bytes 55296 valuesNumber of Dimensions: 2Dimensions and sizes: [lat | 192] x [lon | 288]Coordinates: lat: [ -90.. 90] lon: [ 0..358.75]Number Of Attributes: 6 lev : 992.5000106104562 time : 2953 cell_methods : time: mean long_name : O3 concentration units : mol/mol mdims : 1(0) O3 concentration (mol/mol) : min=3.61245 max=77.7517
Variable: xMonType: integerTotal Size: 48 bytes 12 valuesNumber of Dimensions: 1Dimensions and sizes: [time | 12]Coordinates: time: [2953..3287]Number Of Attributes: 1 long_name : current date (YYYYMMDD)
Variable: xMonType: integerTotal Size: 48 bytes 12 valuesNumber of Dimensions: 1Dimensions and sizes: [time | 12]Coordinates: time: [2953..3287]Number Of Attributes: 1 long_name : current date (YYYYMMDD)(0) 20130201(1) 20130301(2) 20130401(3) 20130501(4) 20130601(5) 20130701(6) 20130801(7) 20130901(8) 20131001(9) 20131101(10) 20131201(11) 20140101fatal:Number of subscripts do not match number of dimensions of variable,(2) Subscripts used, (1) Subscripts expectedfatal:["Execute.c":8637]:Execute: Error occurred at or near line 137 in file month_to_seasO3.ncl
------------------------------------
Najib Yusuf Galadanci Ph.D.
Assistant Director (R & D)
Lower Atmospheric Dynamics
(Aerosol radiative forcing, air quality observations and modeling)
Centre for Atmospheric Research
National Space Research and Development Agency. Kogi State
University Campus, Anyigba. Kogi State. Nigeria
+234 80 3871 4158
------------------------------------Know that Victory comes with Patience, Relief with Affliction, and Ease with Hardship.
Prophet Muhammad Rasulullah
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