Duyuru:
15 Nisan 2025'ten önce Earth Engine'i kullanmak için kaydedilen tüm ticari olmayan projelerin Earth Engine erişimini sürdürmek için
ticari olmayan uygunluğu doğrulaması gerekir.
ee.Number.toUint32
Koleksiyonlar ile düzeninizi koruyun
İçeriği tercihlerinize göre kaydedin ve kategorilere ayırın.
Giriş değerini işaretsiz 32 bitlik bir tam sayıya dönüştürür.
Kullanım | İadeler |
---|
Number.toUint32() | Sayı |
Bağımsız Değişken | Tür | Ayrıntılar |
---|
bu: input | Sayı | Giriş değeri. |
Örnekler
Kod Düzenleyici (JavaScript)
// Cast a number to unsigned 32-bit integer: [0, 4294967295].
var number = ee.Number(100);
print('Number:', number);
var uint32Number = number.toUint32();
print('Number cast to uint32:', uint32Number);
/**
* Casting numbers to uint32 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 uint32 loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);
var floatToUint32 = float.toUint32();
print('Floating point value cast to uint32:', floatToUint32);
// A number greater than uint32 range max cast to uint32 becomes uint32 range max.
var UINT32_MAX = 4294967295;
var outOfRangeHi = ee.Number(UINT32_MAX + 12345);
print('Greater than uint32 max:', outOfRangeHi);
var outOfRangeHiToUint32 = outOfRangeHi.toUint32();
print('Greater than uint32 max cast to uint32 becomes uint32 max:', outOfRangeHiToUint32);
// A number greater than uint32 range min cast to uint32 becomes uint32 range min.
var UINT32_MIN = 0;
var outOfRangeLo = ee.Number(UINT32_MIN - 12345);
print('Less than uint32 min:', outOfRangeLo);
var outOfRangeLoToUint32 = outOfRangeLo.toUint32();
print('Less than uint32 min cast to uint32 becomes uint32 min:', outOfRangeLoToUint32);
Python kurulumu
Python API'si ve etkileşimli geliştirme için geemap
kullanımı hakkında bilgi edinmek üzere
Python Ortamı sayfasına bakın.
import ee
import geemap.core as geemap
Colab (Python)
# Cast a number to unsigned 32-bit integer: [0, 4294967295].
number = ee.Number(100)
print('Number:', number.getInfo())
uint32_number = number.toUint32()
print('Number cast to uint32:', uint32_number.getInfo())
"""Casting numbers to uint32 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 uint32 loses decimal precision.
float_number = ee.Number(1.7);
print('Floating point value:', float_number.getInfo())
float_to_uint32 = float_number.toUint32();
print('Floating point value cast to uint32:', float_to_uint32.getInfo())
# A number greater than uint32 range max cast to uint32
# becomes uint32 range max.
UINT32_MAX = 4294967295
out_of_range_hi = ee.Number(UINT32_MAX + 12345)
print('Greater than uint32 max:', out_of_range_hi.getInfo())
out_of_range_hi_to_uint32 = out_of_range_hi.toUint32()
print('Greater than uint32 max cast to uint32 becomes uint32 max:',
out_of_range_hi_to_uint32.getInfo())
# A number greater than uint32 range min cast to uint32
# becomes uint32 range min.
UINT32_MIN = 0
out_of_range_lo = ee.Number(UINT32_MIN - 12345)
print('Less than uint32 min:', out_of_range_lo.getInfo())
out_of_range_lo_to_uint32 = out_of_range_lo.toUint32()
print('Less than uint32 min cast to uint32 becomes uint32 min:',
out_of_range_lo_to_uint32.getInfo())
Aksi belirtilmediği sürece bu sayfanın içeriği Creative Commons Atıf 4.0 Lisansı altında ve kod örnekleri Apache 2.0 Lisansı altında lisanslanmıştır. Ayrıntılı bilgi için Google Developers Site Politikaları'na göz atın. Java, Oracle ve/veya satış ortaklarının tescilli ticari markasıdır.
Son güncelleme tarihi: 2025-07-26 UTC.
[null,null,["Son güncelleme tarihi: 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eNumber.toUint32()\u003c/code\u003e casts a given Earth Engine Number to an unsigned 32-bit integer.\u003c/p\u003e\n"],["\u003cp\u003eThe method handles out-of-range values by clamping them to the minimum (0) or maximum (4294967295) value of a uint32.\u003c/p\u003e\n"],["\u003cp\u003eCasting floating point numbers to uint32 using this method results in loss of decimal precision.\u003c/p\u003e\n"],["\u003cp\u003eThe output of the function is an Earth Engine Number object representing the unsigned 32-bit integer.\u003c/p\u003e\n"]]],[],null,["# ee.Number.toUint32\n\nCasts the input value to an unsigned 32-bit integer.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------|---------|\n| Number.toUint32`()` | Number |\n\n| Argument | Type | Details |\n|---------------|--------|------------------|\n| this: `input` | Number | The input value. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Cast a number to unsigned 32-bit integer: [0, 4294967295].\nvar number = ee.Number(100);\nprint('Number:', number);\n\nvar uint32Number = number.toUint32();\nprint('Number cast to uint32:', uint32Number);\n\n\n/**\n * Casting numbers to uint32 that are outside of its range and precision can\n * modify the resulting value, note the behavior of the following scenarios.\n */\n\n// A floating point number cast to uint32 loses decimal precision.\nvar float = ee.Number(1.7);\nprint('Floating point value:', float);\n\nvar floatToUint32 = float.toUint32();\nprint('Floating point value cast to uint32:', floatToUint32);\n\n// A number greater than uint32 range max cast to uint32 becomes uint32 range max.\nvar UINT32_MAX = 4294967295;\nvar outOfRangeHi = ee.Number(UINT32_MAX + 12345);\nprint('Greater than uint32 max:', outOfRangeHi);\n\nvar outOfRangeHiToUint32 = outOfRangeHi.toUint32();\nprint('Greater than uint32 max cast to uint32 becomes uint32 max:', outOfRangeHiToUint32);\n\n// A number greater than uint32 range min cast to uint32 becomes uint32 range min.\nvar UINT32_MIN = 0;\nvar outOfRangeLo = ee.Number(UINT32_MIN - 12345);\nprint('Less than uint32 min:', outOfRangeLo);\n\nvar outOfRangeLoToUint32 = outOfRangeLo.toUint32();\nprint('Less than uint32 min cast to uint32 becomes uint32 min:', outOfRangeLoToUint32);\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# Cast a number to unsigned 32-bit integer: [0, 4294967295].\nnumber = ee.Number(100)\nprint('Number:', number.getInfo())\n\nuint32_number = number.toUint32()\nprint('Number cast to uint32:', uint32_number.getInfo())\n\n\n\"\"\"Casting numbers to uint32 that are outside of its range and precision can\nmodify the resulting value, note the behavior of the following scenarios.\n\"\"\"\n\n# A floating point number cast to uint32 loses decimal precision.\nfloat_number = ee.Number(1.7);\nprint('Floating point value:', float_number.getInfo())\n\nfloat_to_uint32 = float_number.toUint32();\nprint('Floating point value cast to uint32:', float_to_uint32.getInfo())\n\n# A number greater than uint32 range max cast to uint32\n# becomes uint32 range max.\nUINT32_MAX = 4294967295\nout_of_range_hi = ee.Number(UINT32_MAX + 12345)\nprint('Greater than uint32 max:', out_of_range_hi.getInfo())\n\nout_of_range_hi_to_uint32 = out_of_range_hi.toUint32()\nprint('Greater than uint32 max cast to uint32 becomes uint32 max:',\n out_of_range_hi_to_uint32.getInfo())\n\n# A number greater than uint32 range min cast to uint32\n# becomes uint32 range min.\nUINT32_MIN = 0\nout_of_range_lo = ee.Number(UINT32_MIN - 12345)\nprint('Less than uint32 min:', out_of_range_lo.getInfo())\n\nout_of_range_lo_to_uint32 = out_of_range_lo.toUint32()\nprint('Less than uint32 min cast to uint32 becomes uint32 min:',\n out_of_range_lo_to_uint32.getInfo())\n```"]]