/*
* 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.iosp.nexrad2;
import ucar.nc2.*;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.nc2.dataset.VariableDS;
import ucar.ma2.*;
import java.io.IOException;
import java.io.File;
import junit.framework.TestCase;
public class TestNexrad2 extends TestCase {
public TestNexrad2( String name) {
super(name);
}
public void testRead() throws IOException {
long start = System.currentTimeMillis();
doDirectory(TestAll.cdmUnitTestDir + "formats/nexrad/level2/VCP11", false);
long took = System.currentTimeMillis() - start;
System.out.println("that took = "+took+" msec");
}
private void doDirectory(String dirName, boolean alwaysUncompress) throws IOException {
File dir = new File(dirName);
File[] files = dir.listFiles();
if (alwaysUncompress) {
for (int i = 0; i < files.length; i++) {
File file = files[i];
String path = file.getPath();
if (path.endsWith(".uncompress"))
file.delete();
}
}
for (int i = 0; i < files.length; i++) {
File file = files[i];
String path = file.getPath();
if (path.endsWith(".uncompress")) continue;
if (file.isDirectory())
doDirectory(path, alwaysUncompress);
else {
NetcdfFile ncfile = NetcdfDataset.openFile(path, null);
testRead(ncfile);
}
}
}
private void testRead( NetcdfFile nexrad2) throws IOException {
System.out.println(nexrad2.getLocation());
Dimension scanR = nexrad2.findDimension("scanR");
assert null != scanR;
Dimension scanV = nexrad2.findDimension("scanV");
assert null != scanV;
assert scanR.getLength() == scanV.getLength();
Variable elevR = nexrad2.findVariable("elevationR");
assert elevR != null;
Array elevRdata = elevR.read();
Variable elevV = nexrad2.findVariable("elevationV");
assert elevV != null;
Array elevVdata = elevV.read();
assert elevRdata.getSize() == elevVdata.getSize();
Variable v = nexrad2.findVariable("Reflectivity");
assert v != null;
Array data = v.read();
v = nexrad2.findVariable("RadialVelocity");
assert v != null;
data = v.read();
v = nexrad2.findVariable("SpectrumWidth");
assert v != null;
data = v.read();
}
static public boolean testCoordSystem( NetcdfFile nexrad2) throws IOException {
Dimension scanR = nexrad2.findDimension("scanR");
assert null != scanR;
Dimension scanV = nexrad2.findDimension("scanV");
assert null != scanV;
assert scanR.getLength() == scanV.getLength();
Variable elevR = nexrad2.findVariable("elevationR");
assert elevR != null;
Array elevRdata = elevR.read();
IndexIterator elevRiter = elevRdata.getIndexIterator();
Variable elevV = nexrad2.findVariable("elevationV");
assert elevV != null;
Array elevVdata = elevV.read();
IndexIterator elevViter = elevVdata.getIndexIterator();
assert elevRdata.getSize() == elevVdata.getSize();
int count = 0;
boolean ok = true;
while (elevRiter.hasNext()) {
if (elevRiter.getFloatNext() != elevViter.getFloatNext()) {
ok = false;
System.out.println(count+" "+elevRiter.getFloatCurrent()+" != "+elevViter.getFloatCurrent());
}
count++;
}
return ok;
}
public void utestCoordSys() throws IOException {
//NetcdfDataset ncd = NetcdfDataset.openDataset(
// "dods://localhost:8080/thredds/dodsC/testAll/Level2_KSOX_20051010_2322.ar2v", false, null);
String filename = TestAll.cdmUnitTestDir + "formats/nexrad/level2/Level2_KYUX_20060527_2335.ar2v";
NetcdfFile ncfile = NetcdfDataset.openFile( filename, null);
testCoordSystem( ncfile);
}
public void testBzipProblem() throws IOException, InvalidRangeException {
// file where there was an error unzipping the file
String filename = TestAll.cdmUnitTestDir + "formats/nexrad/level2/Level2_KFTG_20060818_1814.ar2v.uncompress.missingradials";
NetcdfDataset ncd = NetcdfDataset.openDataset( filename);
VariableDS azi = (VariableDS) ncd.findVariable("azimuthR");
assert azi != null;
VariableDS elev = (VariableDS) ncd.findVariable("elevationR");
assert elev != null;
VariableDS time = (VariableDS) ncd.findVariable("timeR");
assert time != null;
VariableDS r = (VariableDS) ncd.findVariable("Reflectivity");
assert r != null;
checkMissingValues(elev, azi, time, r);
azi = (VariableDS) ncd.findVariable("azimuthV");
assert azi != null;
elev = (VariableDS) ncd.findVariable("elevationV");
assert elev != null;
time = (VariableDS) ncd.findVariable("timeV");
assert time != null;
r = (VariableDS) ncd.findVariable("RadialVelocity");
assert r != null;
checkMissingValues(elev, azi, time, r);
r = (VariableDS) ncd.findVariable("SpectrumWidth");
assert r != null;
checkMissingValues(elev, azi, time, r);
}
private void checkMissingValues(VariableDS elev, VariableDS azi, VariableDS time, VariableDS q) throws IOException, InvalidRangeException {
Array elevData = elev.read();
IndexIterator elevII = elevData.getIndexIterator();
Array aziData = azi.read();
IndexIterator aziII = aziData.getIndexIterator();
Array timeData = time.read();
IndexIterator timeII = timeData.getIndexIterator();
while (elevII.hasNext()) {
float elevValue = elevII.getFloatNext();
float aziValue = aziII.getFloatNext();
assert azi.isMissing(aziValue) == elev.isMissing(elevValue);
// LOOK missing data broken for non-float coordinate axes
//int timeValue = timeII.getIntNext();
//assert azi.isMissing(aziValue) == time.isMissing(timeValue) : " azi= "+aziValue +" time= "+timeValue;
}
int[] shape = q.getShape();
int rank = q.getRank();
int[] origin = new int[rank];
shape[rank-1] = 1;
Array qData = q.read(origin, shape);
assert qData.getSize() == aziData.getSize();
IndexIterator qII = qData.getIndexIterator();
aziII = aziData.getIndexIterator();
while (qII.hasNext()) {
float qValue = qII.getFloatNext();
float aziValue = aziII.getFloatNext();
if (azi.isMissing(aziValue))
assert q.isMissing(qValue);
}
}
}