[ncl-talk] Scatterplot geolocation issue

[BLIUJUS, STEVEN D CTR USAF AFMC AFLCMC/HBAW-OL]

I am running a scatterplot between two different files, but I am having
issues with indices. I have two different files, one file makes point (0,0)
as 90 degrees south and 180deg East. The other file  sets point(0,0) as 90
degrees south and 0 degrees east, thus when trying to plot the data as a
comparison, in this case (see image) AOD between two different files, you
can see there is a 180 deg phase shift. I am trying to find the easiest fix
for this. Below is a variable summary for each value: (I do see for var1 the
lon is specified -179.5..179.5, whereas X2x3 specifies 0.5...359.5). Any
help would be appreciated. I have attached the image, the script, and one of
the files. The other file is too large to send by email. Basically I'm
looking to fix the shift.


Variable: var1
Type: double
Total Size: 518400 bytes
            64800 values
Number of Dimensions: 2
Dimensions and sizes:   [lat | 180] x [lon | 360]
Coordinates:
            lat: [-89.5..89.5]
            lon: [-179.5..179.5]
Number Of Attributes: 19
  _FillValue :  -9999
  long_name :   Aerosol Optical Thickness at 0.55 microns for both Ocean
(best) and Land (corrected): Mean of Daily Mean
  units :       1
  Level_2_Pixel_Values_Read_As :        Real
  Included_Level_2_Nighttime_Data :     False
  Quality_Assurance_Data_Set :  No_QA
  Statistic_Type :      Simple
  Aggregation_Data_Set :        None
  Derived_From_Level_3_Daily_Data_Set :
Aerosol_Optical_Depth_Land_Ocean_Mean
  Weighting :   Unweighted
  standard_name :       aerosol optical depth
  quantity_type :       Aerosol Optical Depth
  product_short_name :  MOD08_M3
  product_version :     6
  coordinates : lat lon
  cell_methods :        time: mean time: mean
  latitude_resolution :    1
  longitude_resolution :           1
  average_op_ncl :      dim_avg_n over dimension(s): ncl_join

Variable: X2x3
Type: float
Total Size: 259200 bytes
            64800 values
Number of Dimensions: 2
Dimensions and sizes:   [LAT | 180] x [LON | 360]
Coordinates:
            LAT: [-89.5..89.5]
            LON: [0.5..359.5]
Number Of Attributes: 13
  sub_center :  Ocean Prediction Center
  center :      U.S. Air Force - Global Weather Center
  long_name :   Unknown Variable Name
  units :       unknown
  _FillValue :  1e+20
  level_indicator :     200
  gds_grid_type :       0
  parameter_table_version :     129
  parameter_number :    147
  level :       0
  forecast_time :       0
  forecast_time_units : years



Steven Bliujus, Contractor
SEMS/16WS WXE
557th Weather Wing
DNS: 232-7151

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