公告:所有在
2025 年 4 月 15 日之前注册使用 Earth Engine 的非商业项目都必须
验证是否符合非商业性质的资格条件,才能继续使用 Earth Engine。
ee.Array.abs
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
以元素为单位计算输入的绝对值。
示例
代码编辑器 (JavaScript)
print(ee.Array([-1]).abs()); // [1]
print(ee.Array([-2, 0, 2]).abs()); // [2,0,2]
print(ee.Array([[-3.1, -2], [-1, 0]]).abs()); // [[3.1,2],[1,0]]
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)
display(ee.Array([-1]).abs()) # [1]
display(ee.Array([-2, 0, 2]).abs()) # [2, 0, 2]
display(ee.Array([[-3.1, -2], [-1, 0]]).abs()) # [[3.1, 2], [1, 0]]
如未另行说明,那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可,并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情,请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2025-07-26。
[null,null,["最后更新时间 (UTC):2025-07-26。"],[[["\u003cp\u003eThe \u003ccode\u003eabs()\u003c/code\u003e function calculates the absolute value of each element in an input array.\u003c/p\u003e\n"],["\u003cp\u003eIt accepts an array as input and returns a new array with the absolute values of the original elements.\u003c/p\u003e\n"],["\u003cp\u003eThe function works on arrays of any dimensions, including nested arrays.\u003c/p\u003e\n"],["\u003cp\u003eBoth JavaScript and Python APIs support the \u003ccode\u003eabs()\u003c/code\u003e function.\u003c/p\u003e\n"]]],["The `abs()` function computes the absolute value of each element in an input array. It takes an array as input (`this: input`) and returns a new array. The function operates element-wise, transforming negative values to their positive counterparts while leaving non-negative values unchanged. Examples show its use in JavaScript and Python, demonstrating its application to one-dimensional and two-dimensional arrays. In both cases it is used by the `.abs()` at the end of the array.\n"],null,["# ee.Array.abs\n\nOn an element-wise basis, computes the absolute value of the input.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------|---------|\n| Array.abs`()` | Array |\n\n| Argument | Type | Details |\n|---------------|-------|------------------|\n| this: `input` | Array | The input array. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint(ee.Array([-1]).abs()); // [1]\nprint(ee.Array([-2, 0, 2]).abs()); // [2,0,2]\nprint(ee.Array([[-3.1, -2], [-1, 0]]).abs()); // [[3.1,2],[1,0]]\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\ndisplay(ee.Array([-1]).abs()) # [1]\ndisplay(ee.Array([-2, 0, 2]).abs()) # [2, 0, 2]\ndisplay(ee.Array([[-3.1, -2], [-1, 0]]).abs()) # [[3.1, 2], [1, 0]]\n```"]]