/**
* Create a scalar numeric-valued Attribute.
*
* @param name name of Attribute
* @param val value of Attribute
*/
public Attribute(String name, Number val) {
this.name = name;
int[] shape = new int[1];
shape[0] = 1;
DataType dt = DataType.getType(val.getClass());
Array vala = Array.factory(dt.getPrimitiveClassType(), shape);
Index ima = vala.getIndex();
vala.setDouble(ima.set0(0), val.doubleValue());
setValues(vala);
}
/**
* Convert Data with scale and offset. Also translate missing data to NaNs if useNaNs = true.
*
* @param in data to convert
* @return converted data.
*/
private Array convertScaleOffset(Array in) {
if (!hasScaleOffset) return in;
if (debugRead) System.out.println("convertScaleOffset ");
Array out = Array.factory(convertedDataType.getPrimitiveClassType(), in.getShape());
IndexIterator iterIn = in.getIndexIterator();
IndexIterator iterOut = out.getIndexIterator();
if (isUnsigned && in.getElementType() == byte.class)
convertScaleOffsetUnsignedByte(iterIn, iterOut);
else if (isUnsigned && in.getElementType() == short.class)
convertScaleOffsetUnsignedShort(iterIn, iterOut);
else if (isUnsigned && in.getElementType() == int.class)
convertScaleOffsetUnsignedInt(iterIn, iterOut);
else {
boolean checkMissing = useNaNs && hasMissing();
while (iterIn.hasNext()) {
double val = scale * iterIn.getDoubleNext() + offset;
iterOut.setDoubleNext(checkMissing && isMissing_(val) ? Double.NaN : val);
}
}
return out;
}