Casts the input value to an unsigned 8-bit integer.
| Usage | Returns | Number.byte() | Number |
| Argument | Type | Details | this: input | Number | The input value. |
Examples
Code Editor (JavaScript)
// Cast a number to unsigned 8-bit integer: [0, 255].
var number = ee.Number(100);
print('Number:', number);
var byteNumber = number.byte();
print('Number cast to byte:', byteNumber);
/**
* Casting numbers to byte that are outside of its range and precision can
* modify the resulting value, note the behavior of the following scenarios.
*/
// A floating point number cast to byte loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);
var floatToByte = float.byte();
print('Floating point value cast to byte:', floatToByte);
// A number greater than byte range max cast to byte becomes byte range max.
var BYTE_MAX = 255;
var outOfRangeHi = ee.Number(BYTE_MAX + 12345);
print('Greater than byte max:', outOfRangeHi);
var outOfRangeHiToByte = outOfRangeHi.byte();
print('Greater than byte max cast to byte becomes byte max:', outOfRangeHiToByte);
// A number greater than byte range min cast to byte becomes byte range min.
var BYTE_MIN = 0;
var outOfRangeLo = ee.Number(BYTE_MIN - 12345);
print('Less than byte min:', outOfRangeLo);
var outOfRangeLoToByte = outOfRangeLo.byte();
print('Less than byte min cast to byte becomes byte min:', outOfRangeLoToByte);