ee.Image.constant

Genera una imagen que contiene un valor constante en todas partes.

UsoMuestra
ee.Image.constant(value)Imagen
ArgumentoTipoDetalles
valueObjetoEs el valor de los píxeles en la imagen constante. Debe ser un número, un array o una lista de números o arrays.

Ejemplos

Editor de código (JavaScript)

// Create a constant image, where every pixel has bands of the same value.
var image1 = ee.Image.constant(1);
Map.addLayer(image1, null, '1');
// Image (1 band)
// type: Image
// bands: List (1 element)
// 0: "constant", int ∈ [1, 1], EPSG:4326
print(image1);

var image2 = ee.Image(2);
Map.addLayer(image2, null, '2');
// Image (1 band)
// type: Image
// bands: List (1 element)
// 0: "constant", int ∈ [2, 2], EPSG:4326
print(image2);

var π = ee.Image(Math.PI);
Map.addLayer(π, null, 'π');
// Image (1 band)
// type: Image
// bands: List (1 element)
// 0: "constant", double ∈ [3.141592653589793, 3.141592653589793], EPSG:4326
// id: constant
// crs: EPSG:4326
// crs_transform: [1,0,0,0,1,0]
// data_type: double ∈ [3.141592653589793, 3.141592653589793]
print(π);

// Create a multi-band image from a list of constant double integers.
var doubleIntImage = ee.Image.constant([-1.2, 4]);
Map.addLayer(doubleIntImage, null, 'double int');
// Image (2 bands)
// type: Image
// bands: List (2 elements)
// 0: "constant_0", double ∈ [-1.2, -1.2], EPSG:4326
// 1: "constant_1", int ∈ [4, 4], EPSG:4326
print(doubleIntImage);

// Create a multi-band image from a list of constants, using hexadecimal
// notation.
var multiband = ee.Image([0xff, 0x88, 0x00]);
Map.addLayer(multiband, {min: 0, max: 0xff}, 'orange');
// Image (3 bands)
// type: Image
// bands: List (3 elements)
// 0: "constant", int ∈ [255, 255], EPSG:4326
// 1: "constant_1", int ∈ [136, 136], EPSG:4326
// 2: "constant_2", int ∈ [0, 0], EPSG:4326
print(multiband);