ee.Geometry.MultiPoint.intersection

傳回兩個幾何圖形的交集。

用量傳回
MultiPoint.intersection(right, maxError, proj)幾何圖形
引數類型詳細資料
這個:left幾何圖形做為運算左運算元的幾何圖形。
right幾何圖形用做運算右運算元的幾何圖形。
maxErrorErrorMargin,預設值:null執行任何必要重投影時可容許的最大誤差量。
proj投影,預設值:null執行作業的投影。如未指定,系統會以球面座標系統執行作業,而球面上的線性距離會以公尺為單位。

範例

程式碼編輯器 (JavaScript)

// Define a MultiPoint object.
var multiPoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]]);

// Define other inputs.
var inputGeom = ee.Geometry.BBox(-122.085, 37.415, -122.075, 37.425);

// Apply the intersection method to the MultiPoint object.
var multiPointIntersection = multiPoint.intersection({'right': inputGeom, 'maxError': 1});

// Print the result to the console.
print('multiPoint.intersection(...) =', multiPointIntersection);

// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPoint,
             {'color': 'black'},
             'Geometry [black]: multiPoint');
Map.addLayer(inputGeom,
             {'color': 'blue'},
             'Parameter [blue]: inputGeom');
Map.addLayer(multiPointIntersection,
             {'color': 'red'},
             'Result [red]: multiPoint.intersection');

Python 設定

請參閱 Python 環境頁面,瞭解 Python API 和如何使用 geemap 進行互動式開發。

import ee
import geemap.core as geemap

Colab (Python)

# Define a MultiPoint object.
multipoint = ee.Geometry.MultiPoint([[-122.082, 37.420], [-122.081, 37.426]])

# Define other inputs.
input_geom = ee.Geometry.BBox(-122.085, 37.415, -122.075, 37.425)

# Apply the intersection method to the MultiPoint object.
multipoint_intersection = multipoint.intersection(right=input_geom, maxError=1)

# Print the result.
display('multipoint.intersection(...) =', multipoint_intersection)

# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(multipoint, {'color': 'black'}, 'Geometry [black]: multipoint')
m.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')
m.add_layer(
    multipoint_intersection,
    {'color': 'red'},
    'Result [red]: multipoint.intersection',
)
m