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将输入值强制转换为有符号的 16 位整数。百度 　　如何打破自建自查的怪圈？　　虹口区的做法是先让各单位主动上报，再组织力量核查，发现瞒报、漏报将对相关责任单位采取惩罚措施。

用法返回
Number.toInt16()数字
参数类型详细信息
此：input数字输入值。

示例

代码编辑器 (JavaScript)

// Cast a number to signed 16-bit integer: [-32768, 32767].
var number = ee.Number(100);
print('Number:', number);

var int16Number = number.toInt16();
print('Number cast to int16:', int16Number);


/**
 * Casting numbers to int16 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 int16 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);

var floatToInt16 = float.toInt16();
print('Floating point value cast to int16:', floatToInt16);

// A number greater than int16 range max cast to int16 becomes int16 range max.
var INT16_MAX = 32767;
var outOfRangeHi = ee.Number(INT16_MAX + 12345);
print('Greater than int16 max:', outOfRangeHi);

var outOfRangeHiToInt16 = outOfRangeHi.toInt16();
print('Greater than int16 max cast to int16 becomes int16 max:', outOfRangeHiToInt16);

// A number greater than int16 range min cast to int16 becomes int16 range min.
var INT16_MIN = -32768;
var outOfRangeLo = ee.Number(INT16_MIN - 12345);
print('Less than int16 min:', outOfRangeLo);

var outOfRangeLoToInt16 = outOfRangeLo.toInt16();
print('Less than int16 min cast to int16 becomes int16 min:', outOfRangeLoToInt16);

Python 设置

如需了解 Python API 和如何使用 geemap 进行交互式开发，请参阅 Python 环境页面。

import ee
import geemap.core as geemap

Colab (Python)

# Cast a number to signed 16-bit integer: [-32768, 32767].
number = ee.Number(100)
print('Number:', number.getInfo())

int16_number = number.toInt16()
print('Number cast to int16:', int16_number.getInfo())


"""Casting numbers to int16 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 int16 loses decimal precision.
float_number = ee.Number(1.7)
print('Floating point value:', float_number.getInfo())

float_to_int16 = float_number.toInt16()
print('Floating point value cast to int16:', float_to_int16.getInfo())

# A number greater than int16 range max cast to int16 becomes int16 range max.
INT16_MAX = 32767
out_of_range_hi = ee.Number(INT16_MAX + 12345)
print('Greater than int16 max:', out_of_range_hi.getInfo())

out_of_range_hi_to_int16 = out_of_range_hi.toInt16()
print('Greater than int16 max cast to int16 becomes int16 max:',
      out_of_range_hi_to_int16.getInfo())

# A number greater than int16 range min cast to int16 becomes int16 range min.
INT16_MIN = -32768
out_of_range_lo = ee.Number(INT16_MIN - 12345)
print('Less than int16 min:', out_of_range_lo.getInfo())

out_of_range_lo_to_int16 = out_of_range_lo.toInt16()
print('Less than int16 min cast to int16 becomes int16 min:',
      out_of_range_lo_to_int16.getInfo())