ee.Geometry.MultiPolygon.bounds

返回几何图形的边界矩形。

用法返回
MultiPolygon.bounds(maxError, proj)几何图形
参数类型详细信息
此：geometry几何图形返回相应几何图形的边界框。
maxErrorErrorMargin，默认值：null执行任何必要的重新投影时可容忍的最大误差量。
proj投影，默认值：null如果指定了此参数，结果将采用此投影。否则，它将采用 EPSG:4326。

示例

代码编辑器 (JavaScript)

// Define a MultiPolygon object.
var multiPolygon = ee.Geometry.MultiPolygon(
    [[[[-122.092, 37.424],
       [-122.086, 37.418],
       [-122.079, 37.425],
       [-122.085, 37.423]]],
     [[[-122.081, 37.417],
       [-122.086, 37.421],
       [-122.089, 37.416]]]]);

// Apply the bounds method to the MultiPolygon object.
var multiPolygonBounds = multiPolygon.bounds();

// Print the result to the console.
print('multiPolygon.bounds(...) =', multiPolygonBounds);

// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiPolygon,
             {'color': 'black'},
             'Geometry [black]: multiPolygon');
Map.addLayer(multiPolygonBounds,
             {'color': 'red'},
             'Result [red]: multiPolygon.bounds');

Python 设置

如需了解 Python API 和如何使用 geemap 进行交互式开发，请参阅 Python 环境页面。

import ee
import geemap.core as geemap

Colab (Python)

# Define a MultiPolygon object.
multipolygon = ee.Geometry.MultiPolygon([
    [[
        [-122.092, 37.424],
        [-122.086, 37.418],
        [-122.079, 37.425],
        [-122.085, 37.423],
    ]],
    [[[-122.081, 37.417], [-122.086, 37.421], [-122.089, 37.416]]],
])

# Apply the bounds method to the MultiPolygon object.
multipolygon_bounds = multipolygon.bounds()

# Print the result.
display('multipolygon.bounds(...) =', multipolygon_bounds)

# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
    multipolygon, {'color': 'black'}, 'Geometry [black]: multipolygon'
)
m.add_layer(
    multipolygon_bounds, {'color': 'red'}, 'Result [red]: multipolygon.bounds'
)
m