public void testEnhanceDefer() throws IOException { NetcdfDataset ncd = NetcdfDataset.openDataset( filename, EnumSet.of(NetcdfDataset.Enhance.ScaleMissing), -1, null, null); VariableDS enhancedVar = (VariableDS) ncd.findVariable("t1"); NetcdfDataset ncdefer = NetcdfDataset.openDataset( filename, EnumSet.of(NetcdfDataset.Enhance.ScaleMissingDefer), -1, null, null); VariableDS deferVar = (VariableDS) ncdefer.findVariable("t1"); Array data = enhancedVar.read(); Array dataDefer = deferVar.read(); System.out.printf("Enhanced="); NCdumpW.printArray(data); System.out.printf("%nDeferred="); NCdumpW.printArray(dataDefer); System.out.printf("%nProcessed="); CompareNetcdf2 nc = new CompareNetcdf2(new Formatter(System.out), false, false, true); assert !nc.compareData(enhancedVar.getShortName(), data, dataDefer, false); IndexIterator ii = dataDefer.getIndexIterator(); while (ii.hasNext()) { double val = deferVar.convertScaleOffsetMissing(ii.getDoubleNext()); ii.setDoubleCurrent(val); } NCdumpW.printArray(dataDefer); assert nc.compareData(enhancedVar.getShortName(), data, dataDefer, false); ncd.close(); ncdefer.close(); }
public void testAggCoordVar2(NetcdfFile ncfile) { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.INT; assert time.getDimension(0) == ncfile.findDimension("time"); try { Array data = time.read(); assert (data instanceof ArrayInt); IndexIterator dataI = data.getIndexIterator(); assert dataI.getIntNext() == 0 : dataI.getIntCurrent(); assert dataI.getIntNext() == 1 : dataI.getIntCurrent(); assert dataI.getIntNext() == 2 : dataI.getIntCurrent(); } catch (IOException io) { io.printStackTrace(); assert false; } }
// for jon blower private Array getEnhancedArray(VariableDS vds) throws IOException { Array data = vds.read(); EnumSet<NetcdfDataset.Enhance> mode = vds.getEnhanceMode(); if (mode.contains(NetcdfDataset.Enhance.ScaleMissing)) return data; if (!mode.contains(NetcdfDataset.Enhance.ScaleMissingDefer)) throw new IllegalStateException("Must include " + NetcdfDataset.Enhance.ScaleMissingDefer); IndexIterator ii = data.getIndexIterator(); while (ii.hasNext()) { double val = vds.convertScaleOffsetMissing(ii.getDoubleNext()); ii.setDoubleCurrent(val); } return data; }
public void testAggCoordVar3(NetcdfFile ncfile) throws IOException { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.DOUBLE : time.getDataType(); assert time.getDimension(0) == ncfile.findDimension("time"); Array data = time.read(); assert (data instanceof ArrayDouble); IndexIterator dataI = data.getIndexIterator(); double val = dataI.getDoubleNext(); assert Misc.closeEnough(val, 0.0) : val; assert Misc.closeEnough(dataI.getDoubleNext(), 10.0) : dataI.getDoubleCurrent(); assert Misc.closeEnough(dataI.getDoubleNext(), 99.0) : dataI.getDoubleCurrent(); }
public void testAggCoordVarNoCoordsDir(NetcdfFile ncfile) throws IOException { Variable time = ncfile.findVariable("time"); assert null != time; assert time.getShortName().equals("time"); assert time.getRank() == 1 : time.getRank(); assert time.getShape()[0] == 3; assert time.getDataType() == DataType.STRING : time.getDataType(); assert time.getDimension(0) == ncfile.findDimension("time"); Array data = time.read(); assert (data instanceof ArrayObject); IndexIterator dataI = data.getIndexIterator(); String coordName = (String) dataI.getObjectNext(); assert coordName.equals("time0Dir.nc") : coordName; coordName = (String) dataI.getObjectNext(); assert coordName.equals("time1Dir.nc") : coordName; coordName = (String) dataI.getObjectNext(); assert coordName.equals("time2Dir.nc") : coordName; }
public void testCoordVar(NetcdfFile ncfile) { Variable lat = ncfile.findVariable("lat"); assert null != lat; assert lat.getShortName().equals("lat"); assert lat.getRank() == 1; assert lat.getSize() == 3; assert lat.getShape()[0] == 3; assert lat.getDataType() == DataType.FLOAT; assert !lat.isUnlimited(); assert lat.getDimension(0).equals(ncfile.findDimension("lat")); Attribute att = lat.findAttribute("units"); assert null != att; assert !att.isArray(); assert att.isString(); assert att.getDataType() == DataType.STRING; assert att.getStringValue().equals("degrees_north"); assert att.getNumericValue() == null; assert att.getNumericValue(3) == null; try { Array data = lat.read(); assert data.getRank() == 1; assert data.getSize() == 3; assert data.getShape()[0] == 3; assert data.getElementType() == float.class; IndexIterator dataI = data.getIndexIterator(); assert TestUtils.close(dataI.getDoubleNext(), 41.0); assert TestUtils.close(dataI.getDoubleNext(), 40.0); assert TestUtils.close(dataI.getDoubleNext(), 39.0); } catch (IOException io) { } }