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ee.Array.and
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On an element-wise basis, returns 1 if and only if both values are non-zero.
Usage Returns Array. and (right)
Array
Argument Type Details this: left
Array The left-hand value. right
Array The right-hand value.
Examples
Code Editor (JavaScript)
// Element-wise boolean "and" operator.
// Both arrays must be the same dimensions.
var arrayNeither = ee.Array([0, 0]);
var arrayFirst = ee.Array([1, 0]);
var arraySecond = ee.Array([0, 1]);
var arrayBoth = ee.Array([1, 1]);
// Any non-zero value is true.
var arrayLarger = ee.Array([-2, 2]);
print(arrayBoth.and(arrayLarger)); // [1, 1]
print(arrayBoth.and(arrayNeither)); // [0, 0]
print(arrayFirst.and(arraySecond)); // [0, 0]
print(arraySecond.and(arrayFirst)); // [0, 0]
print(arrayBoth.and(arrayFirst)); // [1, 0]
print(arrayBoth.and(arraySecond)); // [0, 1]
print(arrayNeither.and(arrayFirst)); // [0, 0]
print(arrayNeither.and(arraySecond)); // [0, 0]
// Works the same for all PixelTypes.
var arrayDouble = ee.Array([0.0, 2.0], ee.PixelType.double());
print(arrayBoth.and(arrayDouble)); // [0, 1]
Python setup
See the
Python Environment page for information on the Python API and using
geemap
for interactive development.
import ee
import geemap.core as geemap
Colab (Python)
# Element-wise boolean "and" operator.
# Both arrays must be the same dimensions.
array_neither = ee.Array([0, 0])
array_first = ee.Array([1, 0])
array_second = ee.Array([0, 1])
array_both = ee.Array([1, 1])
# Any non-zero value is true.
array_larger = ee.Array([-2, 2])
display(array_both.And(array_larger)) # [1, 1]
display(array_both.And(array_neither)) # [0, 0]
display(array_first.And(array_second)) # [0, 0]
display(array_second.And(array_first)) # [0, 0]
display(array_both.And(array_first)) # [1, 0]
display(array_both.And(array_second)) # [0, 1]
display(array_neither.And(array_first)) # [0, 0]
display(array_neither.And(array_second)) # [0, 0]
# Works the same for all PixelTypes.
array_double = ee.Array([0.0, 2.0], ee.PixelType.double())
display(array_both.And(array_double)) # [0, 1]
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Last updated 2023-12-06 UTC.
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