ee.Number.int8

입력 값을 부호 있는 8비트 정수로 변환합니다.

사용반환 값
Number.int8()숫자
인수유형세부정보
다음과 같은 경우: input숫자입력 값입니다.

예

코드 편집기 (JavaScript)

// Cast a number to signed 8-bit integer: [-128, 127].
var number = ee.Number(100);
print('Number:', number);

var int8Number = number.int8();
print('Number cast to int8:', int8Number);


/**
 * Casting numbers to int8 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 int8 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);

var floatToInt8 = float.int8();
print('Floating point value cast to int8:', floatToInt8);

// A number greater than int8 range max cast to int8 becomes int8 range max.
var INT8_MAX = 127;
var outOfRangeHi = ee.Number(INT8_MAX + 12345);
print('Greater than int8 max:', outOfRangeHi);

var outOfRangeHiToInt8 = outOfRangeHi.int8();
print('Greater than int8 max cast to int8 becomes int8 max:', outOfRangeHiToInt8);

// A number greater than int8 range min cast to int8 becomes int8 range min.
var INT8_MIN = -128;
var outOfRangeLo = ee.Number(INT8_MIN - 12345);
print('Less than int8 min:', outOfRangeLo);

var outOfRangeLoToInt8 = outOfRangeLo.int8();
print('Less than int8 min cast to int8 becomes int8 min:', outOfRangeLoToInt8);

Python 설정

Python API 및 geemap를 사용한 대화형 개발에 관한 자세한 내용은 Python 환경 페이지를 참고하세요.

import ee
import geemap.core as geemap

Colab (Python)

# Cast a number to signed 8-bit integer: [-128, 127].
number = ee.Number(100)
display('Number:', number)

int8_number = number.int8()
display('Number cast to int8:', int8_number)


"""Casting numbers to int8 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 int8 loses decimal precision.
float_number = ee.Number(1.7)
display('Floating point value:', float_number)

float_to_int8 = float_number.int8()
display('Floating point value cast to int8:', float_to_int8)

# A number greater than int8 range max cast to int8 becomes int8 range max.
INT8_MAX = 127
out_of_range_hi = ee.Number(INT8_MAX + 12345)
display('Greater than int8 max:', out_of_range_hi)

out_of_range_hi_to_int8 = out_of_range_hi.int8()
display('Greater than int8 max cast to int8 becomes int8 max:',
        out_of_range_hi_to_int8)

# A number greater than int8 range min cast to int8 becomes int8 range min.
INT8_MIN = -128
out_of_range_lo = ee.Number(INT8_MIN - 12345)
display('Less than int8 min:', out_of_range_lo)

out_of_range_lo_to_int8 = out_of_range_lo.int8()
display('Less than int8 min cast to int8 becomes int8 min:',
        out_of_range_lo_to_int8)