/*
* 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
* written permission is obtained from UCAR/Unidata. The user also
* 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
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package ucar.nc2.dataset;
import junit.framework.*;
import ucar.ma2.*;
import ucar.nc2.*;
import ucar.unidata.util.test.TestDir;
import java.io.IOException;
public class TestScaleOffsetMissingForStructure extends TestCase {
public void testNetcdfFile() throws IOException, InvalidRangeException {
NetcdfFile ncfile = NetcdfDataset.openFile(TestDir.cdmLocalTestDataDir + "testScaleRecord.nc", null);
Variable v = ncfile.findVariable("testScale");
assert null != v;
assert v.getDataType() == DataType.SHORT;
Array data = v.read();
Index ima = data.getIndex();
short val = data.getShort(ima);
assert val == -999;
assert v.getUnitsString().equals("m");
v.addAttribute(new Attribute("units", "meters"));
assert v.getUnitsString().equals("meters");
ncfile.sendIospMessage(NetcdfFile.IOSP_MESSAGE_ADD_RECORD_STRUCTURE);
Structure s = (Structure) ncfile.findVariable("record");
assert (s != null);
Variable v2 = s.findVariable("testScale");
Attribute att = v2.findAttribute("units");
assert att.getStringValue().equals("meters");
assert v2.getUnitsString().equals("meters");
StructureData sdata = s.readStructure(0);
StructureMembers.Member m = sdata.findMember("testScale");
assert null != m;
assert m.getUnitsString().equals("meters");
double dval = sdata.convertScalarDouble(m.getName());
assert dval == -999.0;
int count = 0;
StructureDataIterator siter = s.getStructureIterator();
try {
while (siter.hasNext()) {
sdata = siter.next();
m = sdata.findMember("testScale");
assert m.getUnitsString().equals("meters");
assert null != m;
dval = sdata.convertScalarDouble(m.getName());
double expect = (count == 0) ? -999.0 : 13.0;
assert dval == expect : dval + "!=" + expect;
count++;
}
} finally {
siter.finish();
}
ncfile.close();
}
public void testNetcdfDataset() throws IOException, InvalidRangeException {
NetcdfDataset ncfile = NetcdfDataset.openDataset(TestDir.cdmLocalTestDataDir + "testScaleRecord.nc");
System.out.printf("Open %s%n", ncfile.getLocation());
VariableDS v = (VariableDS) ncfile.findVariable("testScale");
assert null != v;
assert v.getDataType() == DataType.FLOAT;
Array data = v.read();
Index ima = data.getIndex();
float val = data.getFloat(ima);
assert v.isMissing(val);
assert Float.isNaN(val) : val;
ncfile.sendIospMessage(NetcdfFile.IOSP_MESSAGE_ADD_RECORD_STRUCTURE);
Structure s = (Structure) ncfile.findVariable("record");
assert (s != null);
VariableDS vm = (VariableDS) s.findVariable("testScale");
Array vmData = vm.read();
if (vmData.hasNext()) {
float vmval = vmData.nextFloat();
assert vm.isMissing(vmval);
assert Float.isNaN(vmval) : vmval;
}
StructureData sdata = s.readStructure(0);
StructureMembers.Member m = sdata.findMember("testScale");
assert null != m;
/* LOOK heres the problem where StructureData.getScalarXXX doesnt use enhanced values
float dval = sdata.getScalarFloat( m.getName());
assert Float.isNaN(dval) : dval;
int count = 0;
StructureDataIterator siter = s.getStructureIterator();
while (siter.hasNext()) {
sdata = siter.next();
m = sdata.findMember("testScale");
assert null != m;
dval = sdata.getScalarFloat( m);
if (count == 0)
assert Float.isNaN(dval) : dval;
else
assert TestAll.closeEnough(dval, 1040.8407) : dval;
count++;
} */
ncfile.close();
}
public void testNetcdfDatasetAttributes() throws IOException, InvalidRangeException {
NetcdfDataset ncfile = NetcdfDataset.openDataset(TestDir.cdmLocalTestDataDir + "testScaleRecord.nc");
VariableDS v = (VariableDS) ncfile.findVariable("testScale");
assert null != v;
assert v.getDataType() == DataType.FLOAT;
assert v.getUnitsString().equals("m");
v.addAttribute(new Attribute("units", "meters"));
assert v.getUnitsString().equals("meters");
ncfile.sendIospMessage(NetcdfFile.IOSP_MESSAGE_ADD_RECORD_STRUCTURE);
Structure s = (Structure) ncfile.findVariable("record");
assert (s != null);
Variable v2 = s.findVariable("testScale");
assert v2.getUnitsString().equals("meters");
assert v2.getDataType() == DataType.FLOAT;
StructureData sdata = s.readStructure(0);
StructureMembers.Member m = sdata.findMember("testScale");
assert null != m;
assert m.getUnitsString().equals("meters") : m.getUnitsString();
assert m.getDataType() == DataType.FLOAT;
StructureDataIterator siter = s.getStructureIterator();
try {
while (siter.hasNext()) {
sdata = siter.next();
m = sdata.findMember("testScale");
assert null != m;
assert m.getUnitsString().equals("meters");
}
} finally {
siter.finish();
}
ncfile.close();
}
}