ee.Number.toInt32
Casts the input value to a signed 32-bit integer.
Usage | Returns |
---|
Number.toInt32() | Number |
Argument | Type | Details |
---|
this: input | Number | The input value. |
Examples
// Cast a number to signed 32-bit integer: [-2147483648, 2147483647].
var number = ee.Number(100);
print('Number:', number);
var int32Number = number.toInt32();
print('Number cast to int32:', int32Number);
/**
* Casting numbers to int32 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 int32 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);
var floatToInt32 = float.toInt32();
print('Floating point value cast to int32:', floatToInt32);
// A number greater than int32 range max cast to int32 becomes int32 range max.
var INT32_MAX = 2147483647;
var outOfRangeHi = ee.Number(INT32_MAX + 12345);
print('Greater than int32 max:', outOfRangeHi);
var outOfRangeHiToInt32 = outOfRangeHi.toInt32();
print('Greater than int32 max cast to int32 becomes int32 max:', outOfRangeHiToInt32);
// A number greater than int32 range min cast to int32 becomes int32 range min.
var INT32_MIN = -2147483648;
var outOfRangeLo = ee.Number(INT32_MIN - 12345);
print('Less than int32 min:', outOfRangeLo);
var outOfRangeLoToInt32 = outOfRangeLo.toInt32();
print('Less than int32 min cast to int32 becomes int32 min:', outOfRangeLoToInt32);
Python setup
See the
Python Environment page for information on the Python API and using
geemap
for interactive development.
import ee
import geemap.core as geemap
# Cast a number to signed 32-bit integer: [-2147483648, 2147483647].
number = ee.Number(100)
print('Number:', number.getInfo())
int32_number = number.toInt32()
print('Number cast to int32:', int32_number.getInfo())
"""Casting numbers to int32 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 int32 loses decimal precision.
float_number = ee.Number(1.7)
print('Floating point value:', float_number.getInfo())
float_to_int32 = float_number.toInt32()
print('Floating point value cast to int32:', float_to_int32.getInfo())
# A number greater than int32 range max cast to int32 becomes int32 range max.
INT32_MAX = 2147483647
out_of_range_hi = ee.Number(INT32_MAX + 12345)
print('Greater than int32 max:', out_of_range_hi.getInfo())
out_of_range_hi_to_int32 = out_of_range_hi.toInt32()
print('Greater than int32 max cast to int32 becomes int32 max:',
out_of_range_hi_to_int32.getInfo())
# A number greater than int32 range min cast to int32 becomes int32 range min.
INT32_MIN = -2147483648
out_of_range_lo = ee.Number(INT32_MIN - 12345)
print('Less than int32 min:', out_of_range_lo.getInfo())
out_of_range_lo_to_int32 = out_of_range_lo.toInt32()
print('Less than int32 min cast to int32 becomes int32 min:',
out_of_range_lo_to_int32.getInfo())
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Last updated 2023-10-06 UTC.
[null,null,["Last updated 2023-10-06 UTC."],[[["`Number.toInt32()` casts an input Number to a signed 32-bit integer within the range of -2147483648 to 2147483647."],["Values exceeding this range are clamped to the respective minimum or maximum 32-bit integer values."],["Floating point numbers lose decimal precision during the conversion."],["The method returns a new Number object representing the converted integer value, leaving the original Number unchanged."]]],["The `toInt32()` method casts a number to a signed 32-bit integer, with a range from -2147483648 to 2147483647. Floating-point numbers lose decimal precision when cast. Numbers exceeding the maximum range become the maximum value, while numbers below the minimum range become the minimum value. It accepts an `input` value of type `Number` and returns a `Number` representing the signed 32-bit integer.\n"]]