ee.Number.toShort
קל לארגן דפים בעזרת אוספים
אפשר לשמור ולסווג תוכן על סמך ההעדפות שלך.
ממירה את ערך הקלט למספר שלם עם סימן בן 16 ביט.
שימוש | החזרות |
---|
Number.toShort() | מספר |
ארגומנט | סוג | פרטים |
---|
זה: input | מספר | ערך הקלט. |
דוגמאות
עורך הקוד (JavaScript)
// Cast a number to signed 16-bit integer: [-32768, 32767].
var number = ee.Number(100);
print('Number:', number);
var shortNumber = number.toShort();
print('Number cast to short:', shortNumber);
/**
* Casting numbers to short 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 short loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);
var floatToShort = float.toShort();
print('Floating point value cast to short:', floatToShort);
// A number greater than short range max cast to short becomes short range max.
var SHORT_MAX = 32767;
var outOfRangeHi = ee.Number(SHORT_MAX + 12345);
print('Greater than short max:', outOfRangeHi);
var outOfRangeHiToShort = outOfRangeHi.toShort();
print('Greater than short max cast to short becomes short max:', outOfRangeHiToShort);
// A number greater than short range min cast to short becomes short range min.
var SHORT_MIN = -32768;
var outOfRangeLo = ee.Number(SHORT_MIN - 12345);
print('Less than short min:', outOfRangeLo);
var outOfRangeLoToShort = outOfRangeLo.toShort();
print('Less than short min cast to short becomes short min:', outOfRangeLoToShort);
הגדרת Python
מידע על Python API ועל שימוש ב-geemap
לפיתוח אינטראקטיבי מופיע בדף
Python Environment.
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())
short_number = number.toShort()
print('Number cast to short:', short_number.getInfo())
"""Casting numbers to short 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 short loses decimal precision.
float_number = ee.Number(1.7)
print('Floating point value:', float_number.getInfo())
float_to_short = float_number.toShort()
print('Floating point value cast to short:', float_to_short.getInfo())
# A number greater than short range max cast to short becomes short range max.
SHORT_MAX = 32767
out_of_range_hi = ee.Number(SHORT_MAX + 12345)
print('Greater than short max:', out_of_range_hi.getInfo())
out_of_range_hi_to_short = out_of_range_hi.toShort()
print('Greater than short max cast to short becomes short max:',
out_of_range_hi_to_short.getInfo())
# A number greater than short range min cast to short becomes short range min.
SHORT_MIN = -32768
out_of_range_lo = ee.Number(SHORT_MIN - 12345)
print('Less than short min:', out_of_range_lo.getInfo())
out_of_range_lo_to_short = out_of_range_lo.toShort()
print('Less than short min cast to short becomes short min:',
out_of_range_lo_to_short.getInfo())
אלא אם צוין אחרת, התוכן של דף זה הוא ברישיון Creative Commons Attribution 4.0 ודוגמאות הקוד הן ברישיון Apache 2.0. לפרטים, ניתן לעיין במדיניות האתר Google Developers. Java הוא סימן מסחרי רשום של חברת Oracle ו/או של השותפים העצמאיים שלה.
עדכון אחרון: 2025-07-26 (שעון UTC).
[null,null,["עדכון אחרון: 2025-07-26 (שעון UTC)."],[[["\u003cp\u003e\u003ccode\u003eNumber.toShort()\u003c/code\u003e casts a given number to a signed 16-bit integer, effectively restricting its value range to [-32768, 32767].\u003c/p\u003e\n"],["\u003cp\u003eCasting floating-point numbers using this method results in the loss of decimal precision, returning only the integer part.\u003c/p\u003e\n"],["\u003cp\u003eIf the input number exceeds the maximum value for a signed 16-bit integer (32767), the function returns 32767.\u003c/p\u003e\n"],["\u003cp\u003eSimilarly, if the input number falls below the minimum value for a signed 16-bit integer (-32768), the function returns -32768.\u003c/p\u003e\n"]]],["The `toShort()` method casts a number to a signed 16-bit integer, ranging from -32768 to 32767. Floating-point numbers lose decimal precision when cast. Values exceeding the maximum (32767) are converted to 32767, and values below the minimum (-32768) become -32768. The method takes a number as input and returns a signed 16-bit integer.\n"],null,["# ee.Number.toShort\n\nCasts the input value to a signed 16-bit integer.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|--------------------|---------|\n| Number.toShort`()` | 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 signed 16-bit integer: [-32768, 32767].\nvar number = ee.Number(100);\nprint('Number:', number);\n\nvar shortNumber = number.toShort();\nprint('Number cast to short:', shortNumber);\n\n\n/**\n * Casting numbers to short 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 short loses decimal precision.\nvar float = ee.Number(1.7);\nprint('Floating point value:', float);\n\nvar floatToShort = float.toShort();\nprint('Floating point value cast to short:', floatToShort);\n\n// A number greater than short range max cast to short becomes short range max.\nvar SHORT_MAX = 32767;\nvar outOfRangeHi = ee.Number(SHORT_MAX + 12345);\nprint('Greater than short max:', outOfRangeHi);\n\nvar outOfRangeHiToShort = outOfRangeHi.toShort();\nprint('Greater than short max cast to short becomes short max:', outOfRangeHiToShort);\n\n// A number greater than short range min cast to short becomes short range min.\nvar SHORT_MIN = -32768;\nvar outOfRangeLo = ee.Number(SHORT_MIN - 12345);\nprint('Less than short min:', outOfRangeLo);\n\nvar outOfRangeLoToShort = outOfRangeLo.toShort();\nprint('Less than short min cast to short becomes short min:', outOfRangeLoToShort);\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 signed 16-bit integer: [-32768, 32767].\nnumber = ee.Number(100)\nprint('Number:', number.getInfo())\n\nshort_number = number.toShort()\nprint('Number cast to short:', short_number.getInfo())\n\n\n\"\"\"Casting numbers to short 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 short loses decimal precision.\nfloat_number = ee.Number(1.7)\nprint('Floating point value:', float_number.getInfo())\n\nfloat_to_short = float_number.toShort()\nprint('Floating point value cast to short:', float_to_short.getInfo())\n\n# A number greater than short range max cast to short becomes short range max.\nSHORT_MAX = 32767\nout_of_range_hi = ee.Number(SHORT_MAX + 12345)\nprint('Greater than short max:', out_of_range_hi.getInfo())\n\nout_of_range_hi_to_short = out_of_range_hi.toShort()\nprint('Greater than short max cast to short becomes short max:',\n out_of_range_hi_to_short.getInfo())\n\n# A number greater than short range min cast to short becomes short range min.\nSHORT_MIN = -32768\nout_of_range_lo = ee.Number(SHORT_MIN - 12345)\nprint('Less than short min:', out_of_range_lo.getInfo())\n\nout_of_range_lo_to_short = out_of_range_lo.toShort()\nprint('Less than short min cast to short becomes short min:',\n out_of_range_lo_to_short.getInfo())\n```"]]