ee.Number.int

Truyền giá trị đầu vào thành số nguyên 32 bit có dấu.

Cách sử dụng	Giá trị trả về
Number.int()	Số

Đối số	Loại	Thông tin chi tiết
this: input	Số	Giá trị đầu vào.

Ví dụ

Trình soạn thảo mã (JavaScript)

// Cast a number to signed 32-bit integer: [-2147483648, 2147483647].
var number = ee.Number(100);
print('Number:', number);

var intNumber = number.int();
print('Number cast to int:', intNumber);


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

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

// A number greater than int range max cast to int becomes int range max.
var INT_MAX = 2147483647;
var outOfRangeHi = ee.Number(INT_MAX + 12345);
print('Greater than int max:', outOfRangeHi);

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

// A number greater than int range min cast to int becomes int range min.
var INT_MIN = -2147483648;
var outOfRangeLo = ee.Number(INT_MIN - 12345);
print('Less than int min:', outOfRangeLo);

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

Thiết lập Python

Hãy xem trang Môi trường Python để biết thông tin về API Python và cách sử dụng geemap cho quá trình phát triển tương tác.

import ee
import geemap.core as geemap

Colab (Python)

# Cast a number to signed 32-bit integer: [-2147483648, 2147483647].
number = ee.Number(100)
print('Number:', number.getInfo())

int_number = number.int()
print('Number cast to int:', int_number.getInfo())


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

float_to_int = float_number.int()
print('Floating point value cast to int:', float_to_int.getInfo())

# A number greater than int range max cast to int becomes int range max.
INT_MAX = 2147483647
out_of_range_hi = ee.Number(INT_MAX + 12345)
print('Greater than int max:', out_of_range_hi.getInfo())

out_of_range_hi_to_int = out_of_range_hi.int()
print('Greater than int max cast to int becomes int max:',
      out_of_range_hi_to_int.getInfo())

# A number greater than int range min cast to int becomes int range min.
INT_MIN = -2147483648
out_of_range_lo = ee.Number(INT_MIN - 12345)
print('Less than int min:', out_of_range_lo.getInfo())

out_of_range_lo_to_int = out_of_range_lo.int()
print('Less than int min cast to int becomes int min:',
      out_of_range_lo_to_int.getInfo())