ee.Number.double
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Wandelt den Eingabewert in eine 64-Bit-Gleitkommazahl um.
| Nutzung | Ausgabe |
|---|
Number.double() | Zahl |
| Argument | Typ | Details |
|---|
So gehts: input | Zahl | Der Eingabewert. |
Beispiele
Code-Editor (JavaScript)
// Declare an ee.Number.
var number = ee.Number(100);
print('ee.Number:', number);
// Cast a number to signed 64-bit floating point.
var doubleNumber = number.double();
print('ee.Number cast to double:', doubleNumber);
Python einrichten
Informationen zur Python API und zur Verwendung von geemap für die interaktive Entwicklung finden Sie auf der Seite
Python-Umgebung.
import ee
import geemap.core as geemap
Colab (Python)
# Declare an ee.Number.
number = ee.Number(100)
print('ee.Number:', number.getInfo())
# Cast a number to signed 64-bit floating point.
double_number = number.double()
print('ee.Number cast to double:', double_number.getInfo())
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Zuletzt aktualisiert: 2025-07-26 (UTC).
[null,null,["Zuletzt aktualisiert: 2025-07-26 (UTC)."],[[["\u003cp\u003e\u003ccode\u003enumber.double()\u003c/code\u003e explicitly converts a number to a 64-bit floating-point representation in Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eThis function is primarily used to ensure numerical values are treated as doubles within Earth Engine computations.\u003c/p\u003e\n"],["\u003cp\u003eUsage involves calling \u003ccode\u003edouble()\u003c/code\u003e on an existing \u003ccode\u003eee.Number\u003c/code\u003e object, resulting in a new \u003ccode\u003eee.Number\u003c/code\u003e with the double-precision value.\u003c/p\u003e\n"]]],["The `double()` method casts a given `Number` to a 64-bit floating-point number. The input value, designated as `this: input`, is a `Number`. In both JavaScript and Python examples, an `ee.Number` is initialized (e.g., 100), then the `double()` method is applied to cast it. The result, a 64-bit float, is then printed. The function has no other input parameters and returns a `Number`.\n"],null,["# ee.Number.double\n\nCasts the input value to a 64-bit float.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-------------------|---------|\n| Number.double`()` | Number |\n\n| Argument | Type | Details |\n|---------------|--------|------------------|\n| this: `input` | Number | The input value. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Declare an ee.Number.\nvar number = ee.Number(100);\nprint('ee.Number:', number);\n\n// Cast a number to signed 64-bit floating point.\nvar doubleNumber = number.double();\nprint('ee.Number cast to double:', doubleNumber);\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# Declare an ee.Number.\nnumber = ee.Number(100)\nprint('ee.Number:', number.getInfo())\n\n# Cast a number to signed 64-bit floating point.\ndouble_number = number.double()\nprint('ee.Number cast to double:', double_number.getInfo())\n```"]]
