ee.Number.long

Casts the input value to a signed 64-bit integer.

שימושהחזרות
Number.long()מספר
ארגומנטסוגפרטים
זה: inputמספרערך הקלט.

דוגמאות

עורך הקוד (JavaScript)

// Declare an ee.Number.
var number = ee.Number(100);
print('ee.Number:', number);

// Cast a number to signed 64-bit integer.
var longNumber = number.long();
print('ee.Number cast to long:', longNumber);


/**
* Casting numbers to long that are outside of its range and precision can
* modify the resulting value, note the behavior of the following scenarios.
*/

// A floating point number cast to long loses decimal precision.
var float = ee.Number(1.7);
print('Floating point value:', float);

var floatToLong = float.long();
print('Floating point value cast to long:', floatToLong);

הגדרת Python

מידע על Python API ועל שימוש ב-geemap לפיתוח אינטראקטיבי מופיע בדף Python Environment.

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 integer.
long_number = number.long()
print('ee.Number cast to long:', long_number.getInfo())


"""Casting numbers to long that are outside of its range and precision can
modify the resulting value, note the behavior of the following scenarios.
"""

# A floating point number cast to long loses decimal precision.
float_number = ee.Number(1.7)
print('Floating point value:', float_number.getInfo())

float_to_long = float_number.long()
print('Floating point value cast to long:', float_to_long.getInfo())