/*
* 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
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
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* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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*/
package ucar.nc2.dataset;
import junit.framework.*;
import ucar.ma2.*;
import ucar.nc2.*;
import ucar.nc2.ncml.NcMLReader;
import ucar.nc2.ncml.TestNcML;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
/**
* Test netcdf dataset in the JUnit framework.
*/
public class TestSubset extends TestCase {
public TestSubset(String name) {
super(name);
}
static NetcdfFile ncfile = null;
String filename = "file:./" + TestNcML.topDir + "subsetAwips.xml";
public void setUp() {
if (ncfile != null) return;
try {
ncfile = new NcMLReader().readNcML(filename, null);
} catch (java.net.MalformedURLException e) {
System.out.println("bad URL error = " + e);
} catch (IOException e) {
System.out.println("IO error = " + e);
e.printStackTrace();
}
}
public void testSubsetData() {
Variable v = ncfile.findVariable("t");
Variable vsub = ncfile.findVariable("T-MandatoryLevels");
Array data, dataSub;
assert v != null;
assert vsub != null;
try {
dataSub = vsub.read();
int[] origin = new int[v.getRank()];
int[] shape = v.getShape();
origin[1] = 1;
shape[1] = 19;
data = v.read(origin, shape);
compare(data, dataSub);
Array data2 = v.read("*,1:19,*,*");
compare(data2, dataSub);
} catch (Exception e) {
e.printStackTrace();
assert false;
}
}
void compare(Array data1, Array data2) {
assert data1.getSize() == data2.getSize();
IndexIterator iter1 = data1.getIndexIterator();
IndexIterator iter2 = data2.getIndexIterator();
while (iter1.hasNext() && iter2.hasNext()) {
double d1 = iter1.getDoubleNext();
double d2 = iter2.getDoubleNext();
assert TestUtils.close(d1, d2) : d1 + " != " + d2;
}
}
}