private Array convertToChar(Variable newVar, Array oldData) {
ArrayChar newData = (ArrayChar) Array.factory(DataType.CHAR, newVar.getShape());
Index ima = newData.getIndex();
IndexIterator ii = oldData.getIndexIterator();
while (ii.hasNext()) {
String s = (String) ii.getObjectNext();
int[] c = ii.getCurrentCounter();
for (int i = 0; i < c.length; i++) ima.setDim(i, c[i]);
newData.setString(ima, s);
}
return newData;
}
/**
* set the values from an Array
*
* @param arr value of Attribute
*/
protected void setValues(Array arr) {
if (arr == null) {
dataType = DataType.STRING;
return;
}
if (DataType.getType(arr.getElementType()) == null)
throw new IllegalArgumentException("Cant set Attribute with type " + arr.getElementType());
if (arr.getElementType() == char.class) { // turn CHAR into STRING
ArrayChar carr = (ArrayChar) arr;
if (carr.getRank() == 1) { // common case
svalue = carr.getString();
this.nelems = 1;
this.dataType = DataType.STRING;
return;
}
// otherwise its an array of Strings
arr = carr.make1DStringArray();
}
// this should be a utility somewhere
if (arr.getElementType() == ByteBuffer.class) { // turn OPAQUE into BYTE
int totalLen = 0;
arr.resetLocalIterator();
while (arr.hasNext()) {
ByteBuffer bb = (ByteBuffer) arr.next();
totalLen += bb.limit();
}
byte[] ba = new byte[totalLen];
int pos = 0;
arr.resetLocalIterator();
while (arr.hasNext()) {
ByteBuffer bb = (ByteBuffer) arr.next();
System.arraycopy(bb.array(), 0, ba, pos, bb.limit());
pos += bb.limit();
}
arr = Array.factory(DataType.BYTE, new int[] {totalLen}, ba);
}
if (arr.getRank() > 1) arr = arr.reshape(new int[] {(int) arr.getSize()}); // make sure 1D
this.values = arr;
this.nelems = (int) arr.getSize();
this.dataType = DataType.getType(arr.getElementType());
hashCode = 0;
}
private void showValuesAsDates(CoordinateAxis axis) {
String units = axis.getUnitsString();
String cal = getCalendarAttribute(axis);
CalendarDateUnit cdu = CalendarDateUnit.of(cal, units);
try {
infoTA.appendLine(units);
infoTA.appendLine(NCdumpW.printVariableData(axis, null));
if (axis.getDataType().isNumeric()) {
if (axis instanceof CoordinateAxis2D) {
showDates2D((CoordinateAxis2D) axis, cdu);
} else if (axis instanceof CoordinateAxis1D) { // 1D
showDates1D((CoordinateAxis1D) axis, cdu);
} else { // > 2D
Array data = axis.read();
IndexIterator ii = data.getIndexIterator();
while (ii.hasNext()) {
double val = ii.getDoubleNext();
infoTA.appendLine(makeCalendarDateStringOrMissing(cdu, val));
}
}
} else { // must be iso dates
Array data = axis.read();
Formatter f = new Formatter();
if (data instanceof ArrayChar) {
ArrayChar dataS = (ArrayChar) data;
ArrayChar.StringIterator iter = dataS.getStringIterator();
while (iter.hasNext()) f.format(" %s%n", iter.next());
infoTA.appendLine(f.toString());
} else if (data instanceof ArrayObject) {
IndexIterator iter = data.getIndexIterator();
while (iter.hasNext()) f.format(" %s%n", iter.next());
infoTA.appendLine(f.toString());
}
}
} catch (Exception ex) {
ex.printStackTrace();
infoTA.appendLine(ex.getMessage());
}
}
public void testNC3Read() throws IOException {
NetcdfFile ncfile = TestDir.openFileLocal("testWrite.nc");
assert (null != ncfile.findDimension("lat"));
assert (null != ncfile.findDimension("lon"));
Variable temp = null;
assert (null != (temp = ncfile.findVariable("temperature")));
// read entire array
Array A;
try {
A = temp.read();
} catch (IOException e) {
System.err.println("ERROR reading file");
assert (false);
return;
}
assert (A.getRank() == 2);
int i, j;
Index ima = A.getIndex();
int[] shape = A.getShape();
assert shape[0] == 64;
assert shape[1] == 128;
for (i = 0; i < shape[0]; i++) {
for (j = 0; j < shape[1]; j++) {
double dval = A.getDouble(ima.set(i, j));
assert (dval == (double) (i * 1000000 + j * 1000)) : dval;
}
}
// read part of array
int[] origin2 = new int[2];
int[] shape2 = new int[2];
shape2[0] = 1;
shape2[1] = temp.getShape()[1];
try {
A = temp.read(origin2, shape2);
} catch (InvalidRangeException e) {
System.err.println("ERROR reading file " + e);
assert (false);
return;
} catch (IOException e) {
System.err.println("ERROR reading file");
assert (false);
return;
}
assert (A.getRank() == 2);
for (j = 0; j < shape2[1]; j++) {
assert (A.getDouble(ima.set(0, j)) == (double) (j * 1000));
}
// rank reduction
Array Areduce = A.reduce();
Index ima2 = Areduce.getIndex();
assert (Areduce.getRank() == 1);
for (j = 0; j < shape2[1]; j++) {
assert (Areduce.getDouble(ima2.set(j)) == (double) (j * 1000));
}
// read char variable
Variable c = null;
assert (null != (c = ncfile.findVariable("svar")));
try {
A = c.read();
} catch (IOException e) {
assert (false);
}
assert (A instanceof ArrayChar);
ArrayChar ac = (ArrayChar) A;
String val = ac.getString(ac.getIndex());
assert val.equals("Testing 1-2-3") : val;
// System.out.println( "val = "+ val);
// read char variable 2
Variable c2 = null;
assert (null != (c2 = ncfile.findVariable("svar2")));
try {
A = c2.read();
} catch (IOException e) {
assert (false);
}
assert (A instanceof ArrayChar);
ArrayChar ac2 = (ArrayChar) A;
assert (ac2.getString().equals("Two pairs of ladies stockings!"));
// read String Array
Variable c3 = null;
assert (null != (c3 = ncfile.findVariable("names")));
try {
A = c3.read();
} catch (IOException e) {
assert (false);
}
assert (A instanceof ArrayChar);
ArrayChar ac3 = (ArrayChar) A;
ima = ac3.getIndex();
assert (ac3.getString(ima.set(0)).equals("No pairs of ladies stockings!"));
assert (ac3.getString(ima.set(1)).equals("One pair of ladies stockings!"));
assert (ac3.getString(ima.set(2)).equals("Two pairs of ladies stockings!"));
// read String Array - 2
Variable c4 = null;
assert (null != (c4 = ncfile.findVariable("names2")));
try {
A = c4.read();
} catch (IOException e) {
assert (false);
}
assert (A instanceof ArrayChar);
ArrayChar ac4 = (ArrayChar) A;
ima = ac4.getIndex();
assert (ac4.getString(0).equals("0 pairs of ladies stockings!"));
assert (ac4.getString(1).equals("1 pair of ladies stockings!"));
assert (ac4.getString(2).equals("2 pairs of ladies stockings!"));
// System.out.println( "ncfile = "+ ncfile);
ncfile.close();
System.out.println("**************TestRead done");
}
