/*
* 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.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
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*
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*/
package examples;
import ucar.nc2.NetcdfFile;
import ucar.nc2.Variable;
import ucar.ma2.*;
import java.io.IOException;
/**
* User: yuanho
* Date: Oct 16, 2006
* Time: 10:16:50 AM
* To change this template use File | Settings | File Templates.
*/
public class Simple_xy_rd {
public static void main(String args[]) throws Exception, java.lang.NullPointerException
{
final int NX = 6;
final int NY = 12;
// This is the array we will read.
int[][] dataIn = new int[NX][NY];
// Open the file. The ReadOnly parameter tells netCDF we want
// read-only access to the file.
NetcdfFile dataFile = null;
String filename = "simple_xy.nc";
// Open the file.
try {
dataFile = NetcdfFile.open(filename, null);
// Retrieve the variable named "data"
Variable dataVar = dataFile.findVariable("data");
if (dataVar == null) {
System.out.println("Cant find Variable data");
return;
}
// Read all the values from the "data" variable into memory.
int [] shape = dataVar.getShape();
int[] origin = new int[2];
ArrayInt.D2 dataArray;
dataArray = (ArrayInt.D2) dataVar.read(origin, shape);
// Check the values.
assert shape[0] == NX;
assert shape[1] == NY;
for (int j=0; j<shape[0]; j++) {
for (int i=0; i<shape[1]; i++) {
dataIn[j][i] = dataArray.get(j,i);
}
}
// The file is closed no matter what by putting inside a try/catch block.
} catch (java.io.IOException e) {
e.printStackTrace();
return;
} catch (InvalidRangeException e) {
e.printStackTrace();
} finally {
if (dataFile != null)
try {
dataFile.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
System.out.println( "*** SUCCESS reading example file simple_xy.nc!");
}
}