/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
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* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
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package examples;
import ucar.nc2.Dimension;
import ucar.nc2.NetcdfFileWriteable;
import ucar.ma2.*;
import java.io.IOException;
import java.util.ArrayList;
/**
* User: yuanho
* Date: Oct 16, 2006
* Time: 2:11:51 PM
* To change this template use File | Settings | File Templates.
*/
public class Simple_xy_wr {
public static void main(String args[])
{
// We are writing 2D data, a 6 x 12 grid.
final int NX = 6;
final int NY = 12;
// Create the file.
String filename = "simple_xy.nc";
NetcdfFileWriteable dataFile = null;
try {
dataFile = NetcdfFileWriteable.createNew(filename, false);
// Create netCDF dimensions,
Dimension xDim = dataFile.addDimension("x", NX );
Dimension yDim = dataFile.addDimension("y", NY );
ArrayList dims = new ArrayList();
// define dimensions
dims.add( xDim);
dims.add( yDim);
// Define a netCDF variable. The type of the variable in this case
// is ncInt (32-bit integer).
dataFile.addVariable("data", DataType.INT, dims);
// create the file
dataFile.create();
// This is the data array we will write. It will just be filled
// with a progression of numbers for this example.
ArrayInt.D2 dataOut = new ArrayInt.D2( xDim.getLength(), yDim.getLength());
// Create some pretend data. If this wasn't an example program, we
// would have some real data to write, for example, model output.
int i,j;
for (i=0; i<xDim.getLength(); i++) {
for (j=0; j<yDim.getLength(); j++) {
dataOut.set(i,j, i * NY + j);
}
}
// Write the pretend data to the file. Although netCDF supports
// reading and writing subsets of data, in this case we write all
// the data in one operation.
dataFile.write("data", dataOut);
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidRangeException e) {
e.printStackTrace();
} finally {
if (null != dataFile)
try {
dataFile.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
System.out.println( "*** SUCCESS writing example file simple_xy.nc!");
}
}