/*
* Copyright (c) 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
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* 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
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*
* 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,
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*/
package ucar.nc2.units;
import ucar.nc2.Variable;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.dataset.CoordinateAxis;
import ucar.nc2.dataset.CoordinateAxis1DTime;
import ucar.nc2.ncml.TestNcML;
import ucar.ma2.Array;
import ucar.ma2.IndexIterator;
import java.io.IOException;
import java.util.Date;
import junit.framework.TestCase;
/**
* Describe
*
* @author caron
* @since Jul 1, 2009
*/
public class TestDateCoordinate extends TestCase {
public TestDateCoordinate(String name) {
super(name);
}
NetcdfDataset ncfile = null;
public void setUp() {
String filename = "file:" + TestNcML.topDir + "testDateUnits.ncml";
try {
ncfile = NetcdfDataset.openDataset(filename);
} catch (java.net.MalformedURLException e) {
System.out.println("bad URL error = " + e);
} catch (IOException e) {
System.out.println("IO error = " + e);
e.printStackTrace();
}
}
protected void tearDown() throws IOException {
ncfile.close();
}
public void utestCoordinateAxis1DTime() {
Variable time = ncfile.findVariable("time");
assert time instanceof CoordinateAxis;
assert time instanceof CoordinateAxis1DTime;
CoordinateAxis1DTime timeAxis = (CoordinateAxis1DTime) time;
for (Date d : timeAxis.getTimeDates()) {
System.out.printf(" %s%n", d);
}
}
public void testDateCoordinates() throws Exception {
Variable time = ncfile.findVariable("time");
Date first = null;
DateFormatter format = new DateFormatter();
String units = time.getUnitsString();
DateUnit du = new DateUnit(time.getUnitsString());
System.out.printf("units= %s%n", units);
System.out.printf("DateUnit= %s (%s)%n", du, du.getUnitsString());
Array data = time.read();
IndexIterator ii = data.getIndexIterator();
while (ii.hasNext()) {
double val = ii.getDoubleNext();
Date date = du.makeDate(val);
System.out.printf(" %f %s == %s%n", val, units, format.toDateTimeStringISO(date));
if (first == null) first = date;
}
assert (format.toDateTimeStringISO(first).equals("2009-06-15T04:00:00Z"));
}
}