用法 | 返回 |
---|---|
ee.PixelType(precision, minValue, maxValue, dimensions) | PixelType |
参数 | 类型 | 详细信息 |
---|---|---|
precision | 对象 | 像素精度,可以是“int”“float”或“double”。 |
minValue | 数字,默认值:null | 相应类型像素的最小值。如果精度为“float”或“double”,则此值可以为 null,表示负无穷大。 |
maxValue | 数字,默认值:null | 相应类型像素的最大值。如果精度为“float”或“double”,则此值可以为 null,表示正无穷大。 |
dimensions | 整数,默认值:0 | 相应像素可变化的维度数;0 表示标量,1 表示向量,2 表示矩阵,依此类推。 |
示例
代码编辑器 (JavaScript)
print(ee.PixelType('int', 0, 1)); // int ∈ [0, 1] print(ee.PixelType('int', -20, -10)); // int ∈ [-20, -10] print(ee.PixelType('float')); // float print(ee.PixelType('double')); // double print(ee.PixelType('double', null)); // double print(ee.PixelType('double', null, null)); // double print(ee.PixelType('double', null, null, 0)); // double print(ee.PixelType('double', null, null, 1)); // double, 1 dimensions print(ee.PixelType('double', null, null, 2)); // double, 2 dimensions print(ee.PixelType('double', null, null, 3)); // double, 3 dimensions print(ee.PixelType('double', null, null, 10)); // double, 10 dimensions print(ee.PixelType('double', null, null, 1e8)); // double, 100000000 dimensions print(ee.PixelType('double', 1, 2, 0)); // double ∈ [1, 2] print(ee.PixelType('double', 1, 3, 2)); // double ∈ [1, 3], 2 dimensions print(ee.PixelType('double', -4, -3, 0)); // double ∈ [-4, -3] print(ee.PixelType('double', null, 2.3, 0)); // double print(ee.PixelType('double', 3.4, null, 0)); // double
import ee import geemap.core as geemap
Colab (Python)
print(ee.PixelType('int', 0, 1).getInfo()) # int ∈ [0, 1] print(ee.PixelType('int', -20, -10).getInfo()) # int ∈ [-20, -10] print(ee.PixelType('float').getInfo()) # float print(ee.PixelType('double').getInfo()) # double print(ee.PixelType('double', None).getInfo()) # double print(ee.PixelType('double', None, None).getInfo()) # double print(ee.PixelType('double', None, None, 0).getInfo()) # double print(ee.PixelType('double', None, None, 1).getInfo()) # double, 1 dimensions print(ee.PixelType('double', None, None, 2).getInfo()) # double, 2 dimensions print(ee.PixelType('double', None, None, 3).getInfo()) # double, 3 dimensions print(ee.PixelType('double', None, None, 10).getInfo()) # double, 10 dimensions # double, 100000000 dimensions print(ee.PixelType('double', None, None, 1e8).getInfo()) print(ee.PixelType('double', 1, 2, 0).getInfo()) # double ∈ [1, 2] # double ∈ [1, 3], 2 dimensions print(ee.PixelType('double', 1, 3, 2).getInfo()) print(ee.PixelType('double', -4, -3, 0).getInfo()) # double ∈ [-4, -3] print(ee.PixelType('double', None, 2.3, 0).getInfo()) # double print(ee.PixelType('double', 3.4, None, 0).getInfo()) # double