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[netCDFJava #PYS-194904]: HDF5 Structure analysis

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  • Subject: [netCDFJava #PYS-194904]: HDF5 Structure analysis
  • Date: Tue, 10 Apr 2018 11:34:54 -0600
This was answered in a separate ticket (QHW-398999).

> Hi,
> I parsed my HDF5 and I get this structure:
> 
> 
> *{*
> 
> * group: dataset1 {*
> 
> * group: data1 {*
> * variables*
> * :byte data(1400, 1200);*
> * :_Unsigned = "true";*
> * :_ChunkSizes = 100, 100; // int*
> 
> 
> * group: quality1 {*
> * variables*
> * :byte data(1400, 1200);*
> * :_Unsigned = "true";*
> * :_ChunkSizes = 100, 100; // int*
> 
> 
> * group: what {*
> * // group attributes:*
> * :quantity = "QIND";*
> * :gain = 0.393701; // double*
> * :offset = 0.0; // double*
> * :undetect = 1.0; // double*
> * :nodata = 0.0; // double*
> * }*
> * }*
> * }*
> 
> * group: what {*
> * // group attributes:*
> * :product = "COMP";*
> * :quantity = "DBZH";*
> * :gain = 0.5; // double*
> * :offset = -31.0; // double*
> * :undetect = 1.0; // double*
> * :nodata = 0.0; // double*
> * }*
> * }*
> 
> * group: what {*
> * // group attributes:*
> * :object = "COMP";*
> * :version = "H5rad 2.0";*
> * :date = "20180329";*
> * :time = "0820";*
> * }*
> 
> * group: where {*
> * // group attributes:*
> * :projdef = "+proj=Mercator +lat_ts=42.0000 +lon_0=12.5000 +k=1.0
> +R=6378137.0";*
> * :LL_lon = 5.95503; // double*
> * :LL_lat = 35.0722; // double*
> * :UL_lon = 4.53744; // double*
> * :UL_lat = 47.5784; // double*
> * :UR_lon = 20.4626; // double*
> * :UR_lat = 47.5784; // double*
> * :LR_lon = 19.045; // double*
> * :LR_lat = 35.0722; // double*
> * :xscale = 1000.0; // double*
> * :yscale = 1000.0; // double*
> * :xsize = 1200; // int*
> * :ysize = 1400; // int*
> * }*
> 
> * // global attributes:*
> * :Conventions = "ODIM_H5/V2_0";*
> *}*
> 
> I was able to read the values through these instructions:
> 
> *Variable var               =
> netcdfFile.findVariable(netcdfFile.getRootGroup().getGroups().get(0).getGroups().get(0),
> "data");*
> *ArrayByte.D2 array   = (ArrayByte.D2) var.read().reduce();*
> 
> But I do not know how to get the coordinates of each point on the grid.
> 
> 
> 
> I have another question:  how can I read the coordinates of every single
> point on the grid, with NetCDF library ?
> 
> Thanks in advance
> 
> Best regards
> 
> Alessio

Ticket Details
===================
Ticket ID: PYS-194904
Department: Support netCDF Java
Priority: Normal
Status: Closed
===================
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