Hi Jonathon:
MultiArray is no longer used. Have a look at the tutorial and see if that helps
you get started:
http://www.unidata.ucar.edu/software/netcdf-java/tutorial/
esp:
http://www.unidata.ucar.edu/software/netcdf-java/tutorial/NetcdfFile.html
Johnathan Kool wrote:
There’s probably a simple solution to this, but it’s escaping me, so I
thought I’d try posting. I’ve managed to successfully load in my NetCDF
files using the NetCDF API 2.2, and am now trying to extract a subset of
data from them – exactly what the MultiArrayProxy and ClipMap functions
provide (see:
http://www.unidata.ucar.edu/support/help/MailArchives/netcdf/msg00043.html)
, but I’m at a loss as to how to generate a MultiArray from the original
NetCDF data. I’ve come across examples of how to generate MultiArrays
from scratch, and I can extract Arrays from my data, but not
MultiArrays. It also looks like MultiArrays are possibly an older
feature(?), so there may be a better, more up-to-date way that I’m missing.
These are my variables:
[ float Longitude(Longitude=2294);
:units = "degrees_east";
:valid_range = 98.84f, 282.28f; // float
:step = 0.8f; // float
:standard_name = "longitude";
:axis = "x";
, float Latitude(Latitude=1362);
:units = "degrees_north";
:valid_range = -20.057325f, 65.86738f; // float
:step = 0.8f; // float
:standard_name = "latitude";
:axis = "y";
, int layer(layer=20);
:units = "layer";
, float uvel(layer=20, Latitude=1362, Longitude=2294);
:_FillValue = 1.0E34f; // float
:units = "ms-1";
:standard_name = "eastward_sea_water_velocity";
:long_name = "eastward_sea_water_velocity";
:unit_long = "meter_per_second";
:missing_value = 1.0E34f; // float
:valid_range = -229.31992f, 80.65831f; // float
]
And I’m looking to subset uvel based on Latitude, Longitude and layer
(e.g. if Lat ranges from 20-40, Lon from 0-10 and layer from 0-10, I’d
like to extract the uvels for 25-35, 3-7 and 5-8 respectively). Any
constructive advice, examples or links would definitely be appreciated.
Thank you!
J
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