公告:凡是在
2025 年 4 月 15 日前註冊使用 Earth Engine 的非商業專案,都必須
驗證非商業用途資格,才能繼續存取 Earth Engine。
ee.Number.bitwiseNot
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
以可保存輸入內容的最小帶正負號整數型別,計算輸入內容的位元 NOT。
用量 | 傳回 |
---|
Number.bitwiseNot() | 數字 |
範例
程式碼編輯器 (JavaScript)
/**
* Unsigned 8-bit type example.
*
* 25 as binary: 00011001
* Flip each digit: 11100110
*
* 11100110 is signed 8-bit binary for -26.
* (binary interpreted using smallest signed integer type containing the input).
*/
print(ee.Number(25).bitwiseNot());
Python 設定
請參閱
Python 環境頁面,瞭解 Python API 和如何使用 geemap
進行互動式開發。
import ee
import geemap.core as geemap
Colab (Python)
"""Unsigned 8-bit type example.
25 as binary: 00011001
Flip each digit: 11100110
11100110 is signed 8-bit binary for -26.
(binary interpreted using smallest signed integer type containing the input).
"""
print(ee.Number(25).bitwiseNot().getInfo())
除非另有註明,否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權,程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間:2025-07-26 (世界標準時間)。
[null,null,["上次更新時間:2025-07-26 (世界標準時間)。"],[[["\u003cp\u003e\u003ccode\u003eNumber.bitwiseNot()\u003c/code\u003e calculates the bitwise NOT of a number, essentially flipping each bit in the binary representation of the input.\u003c/p\u003e\n"],["\u003cp\u003eThe result is interpreted as a signed integer using the smallest data type that can accommodate the input value.\u003c/p\u003e\n"],["\u003cp\u003eFor example, the bitwise NOT of 25 (binary 00011001) is -26 (binary 11100110 in signed 8-bit representation).\u003c/p\u003e\n"]]],["The `bitwiseNot()` method computes the bitwise NOT of a given number. It takes a number as input and returns a number. The operation inverts each bit in the binary representation of the input. The result is interpreted using the smallest signed integer type capable of holding the input. For example, inputting 25 (00011001 in binary) results in -26 (11100110 in binary) after the bits are flipped.\n"],null,["# ee.Number.bitwiseNot\n\nCalculates the bitwise NOT of the input, in the smallest signed integer type that can hold the input.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------|---------|\n| Number.bitwiseNot`()` | 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/**\n * Unsigned 8-bit type example.\n *\n * 25 as binary: 00011001\n * Flip each digit: 11100110\n *\n * 11100110 is signed 8-bit binary for -26.\n * (binary interpreted using smallest signed integer type containing the input).\n */\n\nprint(ee.Number(25).bitwiseNot());\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\"\"\"Unsigned 8-bit type example.\n\n25 as binary: 00011001\nFlip each digit: 11100110\n\n11100110 is signed 8-bit binary for -26.\n(binary interpreted using smallest signed integer type containing the input).\n\"\"\"\n\nprint(ee.Number(25).bitwiseNot().getInfo())\n```"]]