/*
* 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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package ucar.nc2.ncml;
import junit.framework.*;
import ucar.ma2.*;
import ucar.nc2.*;
import ucar.nc2.units.DateUnit;
import ucar.nc2.units.DateFormatter;
import java.io.IOException;
import java.io.StringReader;
import java.util.Date;
/** Test NcML AggExisting ways to define coordinate variable values
* @see "http://www.unidata.ucar.edu/software/netcdf/ncml/v2.2/Aggregation.html#JoinExistingTypes"
**/
public class TestAggExistingCoordVars extends TestCase {
public TestAggExistingCoordVars( String name) {
super(name);
}
public void testType1() throws IOException, InvalidRangeException {
String filename = "file:./"+ TestNcML.topDir + "aggExisting1.xml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
System.out.println(" TestNcmlAggExisting.open "+ filename);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 59;
assert time.getShape()[0] == 59;
assert time.getDataType() == DataType.INT;
assert time.getDimension(0) == ncfile.findDimension("time");
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 59;
assert data.getShape()[0] == 59;
assert data.getElementType() == int.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert dataI.getIntNext() == 7 + 2 * count;
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
String aggExisting2 =
"<?xml version='1.0' encoding='UTF-8'?>\n" +
"<netcdf xmlns='http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2'>\n" +
" <variable name='time'>\n" +
" <attribute name='units' value='hours since 2006-06-16 00:00'/>\n" +
" <attribute name='_CoordinateAxisType' value='Time' />\n" +
" </variable>\n" +
" <aggregation type='joinExisting' dimName='time' >\n" +
" <netcdf location='nc/cg/CG2006158_120000h_usfc.nc' ncoords='1' coordValue='12' />\n" +
" <netcdf location='nc/cg/CG2006158_130000h_usfc.nc' ncoords='1' coordValue='13' />\n" +
" <netcdf location='nc/cg/CG2006158_140000h_usfc.nc' ncoords='1' coordValue='14' />\n" +
" </aggregation>\n" +
"</netcdf>";
public void testType2() throws IOException, InvalidRangeException {
String filename = "file:./"+TestNcML.topDir + "aggExisting2.xml";
NetcdfFile ncfile = NcMLReader.readNcML( new StringReader(aggExisting2), filename, null);
System.out.println(" TestNcmlAggExisting.open "+ filename+"\n"+ncfile);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
double[] result = new double[] {12, 13, 14};
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 3;
assert data.getShape()[0] == 3;
assert data.getElementType() == double.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
double val = dataI.getDoubleNext();
assert TestAll.closeEnough( val, result[count]) : val +" != "+ result[count];
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
public void testType3() throws IOException, InvalidRangeException {
String filename = "file:./"+TestNcML.topDir + "aggExisting.xml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
System.out.println(" TestNcmlAggExisting.open "+ filename+"\n"+ncfile);
Variable time = ncfile.findVariable("time");
assert null != time;
String testAtt = ncfile.findAttValueIgnoreCase(time, "ncmlAdded", null);
assert testAtt != null;
assert testAtt.equals("timeAtt");
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 59;
assert time.getShape()[0] == 59;
assert time.getDataType() == DataType.INT;
assert time.getDimension(0) == ncfile.findDimension("time");
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 59;
assert data.getShape()[0] == 59;
assert data.getElementType() == int.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext())
assert dataI.getIntNext() == count++;
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
public void testType4() throws IOException, InvalidRangeException {
String filename = "file:"+TestNcML.topDir + "aggExisting4.ncml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
double[] result = new double[] {1.1496816E9, 1.1496852E9, 1.1496888E9 };
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 3;
assert data.getShape()[0] == 3;
assert data.getElementType() == double.class;
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
assert TestAll.closeEnough(dataI.getDoubleNext(), result[count]);
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
public void testWithDateFormatMark() throws Exception {
String filename = "file:"+TestNcML.topDir + "aggExistingOne.xml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.STRING;
assert time.getDimension(0) == ncfile.findDimension("time");
String[] result = new String[] { "2006-06-07T12:00:00Z", "2006-06-07T13:00:00Z", "2006-06-07T14:00:00Z"};
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 3;
assert data.getShape()[0] == 3;
assert data.getElementType() == String.class;
NCdump.printArray(data, "time coord", System.out, null);
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
String val = (String) dataI.getObjectNext();
assert val.equals( result[count]) : val+" != "+ result[count];
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
public void oldTestWithDateFormatMark() throws Exception {
String filename = "file:"+TestNcML.topDir + "aggExistingOne.xml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 3;
assert time.getShape()[0] == 3;
assert time.getDataType() == DataType.DOUBLE;
assert time.getDimension(0) == ncfile.findDimension("time");
String units = time.getUnitsString();
DateUnit du = new DateUnit(units);
DateFormatter df = new DateFormatter();
String[] result = new String[] {"2006-06-07T12:00:00Z", "2006-06-07T13:00:00Z", "2006-06-07T14:00:00Z"};
try {
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 3;
assert data.getShape()[0] == 3;
assert data.getElementType() == double.class;
NCdump.printArray(data, "time coord", System.out, null);
int count = 0;
IndexIterator dataI = data.getIndexIterator();
while (dataI.hasNext()) {
double val = dataI.getDoubleNext();
Date dateVal = du.makeDate(val);
String dateS = df.toDateTimeStringISO(dateVal);
assert dateS.equals( result[count]) : dateS+" != "+ result[count];
count++;
}
} catch (IOException io) {
io.printStackTrace();
assert false;
}
ncfile.close();
}
public void testClimatologicalDate() throws IOException, InvalidRangeException {
String filename = "file:"+TestNcML.topDir + "aggExisting5.ncml";
NetcdfFile ncfile = NcMLReader.readNcML(filename, null);
Variable time = ncfile.findVariable("time");
assert null != time;
assert time.getShortName().equals("time");
assert time.getRank() == 1;
assert time.getSize() == 59;
assert time.getShape()[0] == 59;
assert time.getDataType() == DataType.INT;
assert time.getDimension(0) == ncfile.findDimension("time");
Array data = time.read();
assert data.getRank() == 1;
assert data.getSize() == 59;
assert data.getShape()[0] == 59;
assert data.getElementType() == int.class;
int count = 0;
while (data.hasNext()) {
assert data.nextInt() == count : data.nextInt() +"!="+ count;
count++;
}
ncfile.close();
}
}