ee.FeatureCollection.copyProperties

Kopiert Metadateneigenschaften von einem Element in ein anderes.

Nutzung	Ausgabe
FeatureCollection.copyProperties(source, properties, exclude)	Element

Argument	Typ	Details
So gehts: destination	Element, Standard: null	Das Objekt, dessen Eigenschaften überschrieben werden sollen.
source	Element, Standard: null	Das Objekt, aus dem die Eigenschaften kopiert werden sollen.
properties	Liste, Standard: null	Die zu kopierenden Eigenschaften. Wenn sie weggelassen werden, werden alle normalen (d.h. nicht systembezogenen) Attribute kopiert.
exclude	Liste, Standard: null	Die Liste der Properties, die beim Kopieren aller Properties ausgeschlossen werden sollen. Darf nicht angegeben werden, wenn „properties“ angegeben ist.

Beispiele

Code-Editor (JavaScript)

// Import a Landsat 8 surface reflectance image to sample.
var image = ee.Image('LANDSAT/LC08/C02/T1_L2/LC08_038032_20170722')
                // Select the optical bands.
                .select(['SR_B.']);

// Get the image geometry to define the geographical bounds of the sample.
var imageBounds = image.geometry();

// Sample the image at a set of random points; a feature collection is returned.
var pointSampleFc = image.sample(
    {region: imageBounds, scale: 30, numPixels: 5, geometries: true});

// Copy image properties to the FeatureCollection; three options follow.
print('All non-system image properties copied to the FeatureCollection',
      pointSampleFc.copyProperties(image));

print('Selected image properties copied to the FeatureCollection',
      pointSampleFc.copyProperties({
        source: image,
        properties: ['system:time_start', 'SPACECRAFT_ID']
      }));

print('All but selected image properties copied to the FeatureCollection',
      pointSampleFc.copyProperties({
        source: image,
        exclude: ['TIRS_SSM_MODEL', 'TIRS_SSM_POSITION_STATUS']
      }));

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)

# Import a Landsat 8 surface reflectance image to sample.
image = ee.Image('LANDSAT/LC08/C02/T1_L2/LC08_038032_20170722').select(
    # Select the optical bands.
    ['SR_B.'])

# Get the image geometry to define the geographical bounds of the sample.
image_bounds = image.geometry()

# Sample the image at a set of random points; a feature collection is returned.
point_sample_fc = image.sample(
    **{'region': image_bounds, 'scale': 30, 'numPixels': 5, 'geometries': True})

# Copy image properties to the FeatureCollection; three options follow.
display('All non-system image properties copied to the FeatureCollection:',
        point_sample_fc.copyProperties(image))

display('Selected image properties copied to the FeatureCollection:',
        point_sample_fc.copyProperties(**{
            'source': image,
            'properties': ['system:time_start', 'SPACECRAFT_ID']
            }))

display('All but selected image properties copied to the FeatureCollection:',
        point_sample_fc.copyProperties(**{
            'source': image,
            'exclude': ['TIRS_SSM_MODEL', 'TIRS_SSM_POSITION_STATUS']
        }))