ee.Image.constant

Her yerde sabit bir değer içeren bir resim oluşturur.

Kullanım	İadeler
ee.Image.constant(value)	Resim

Bağımsız Değişken	Tür	Ayrıntılar
value	Nesne	Sabit görüntüdeki piksellerin değeri. Sayı, dizi, sayı listesi veya dizi listesi olmalıdır.

Örnekler

Kod Düzenleyici (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);