ee.ErrorMargin

返回具有指定值和指定类型的 ErrorMargin。

用法返回
ee.ErrorMargin(value, unit)ErrorMargin
参数类型详细信息
value浮点数，默认值：null边际允许的最大误差值。如果单位为“无限”，则忽略。
unit字符串，默认值：“meters”此边距的单位：“meters”（米）、“projected”（投影）或“infinite”（无限）。

示例

代码编辑器 (JavaScript)

// Construct a variety of error margins.
print(ee.ErrorMargin(0));  // unit: meters value: 0
print(ee.ErrorMargin(1));  // unit: meters value: 1
// Negative margin yields a positive value.
print(ee.ErrorMargin(-1));  // unit: meters value: 1
// Large values are turned into an 'infinite'
print(ee.ErrorMargin(1e8));  // unit: infinite
// A very large error margin does not quite trigger infinite, which is 2.0e7.
print(ee.ErrorMargin(1e7));  // unit: meters value: 10000000

// Being explicit about the units of the error margin.
print(ee.ErrorMargin(1, 'meters'));  // unit: meters value: 1
print(ee.ErrorMargin(1, 'projected'));  // unit: projected value: 1
print(ee.ErrorMargin(1, 'infinite'));  // unit: infinite

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)

# Construct a variety of error margins.
print(ee.ErrorMargin(0).getInfo())  # unit: meters value: 0
print(ee.ErrorMargin(1).getInfo())  # unit: meters value: 1
# Negative margin yields a positive value.
print(ee.ErrorMargin(-1).getInfo())  # unit: meters value: 1
# Large values are turned into an 'infinite'
print(ee.ErrorMargin(1e8).getInfo())  # unit: infinite
# A very large error margin does not quite trigger infinite, which is 2.0e7.
print(ee.ErrorMargin(1e7).getInfo())  # unit: meters value: 10000000

# Being explicit about the units of the error margin.
print(ee.ErrorMargin(1, 'meters').getInfo())  # unit: meters value: 1
print(ee.ErrorMargin(1, 'projected').getInfo())  # unit: projected value: 1
print(ee.ErrorMargin(1, 'infinite').getInfo())  # unit: infinite