Pengumuman: Semua project nonkomersial yang terdaftar untuk menggunakan Earth Engine sebelum
15 April 2025 harus
memverifikasi kelayakan nonkomersial untuk mempertahankan akses Earth Engine.
ee.Geometry.MultiLineString.distance
Tetap teratur dengan koleksi
Simpan dan kategorikan konten berdasarkan preferensi Anda.
Menampilkan jarak minimum antara dua geometri.
Penggunaan | Hasil |
---|
MultiLineString.distance(right, maxError, proj, spherical) | Float |
Argumen | Jenis | Detail |
---|
ini: left | Geometri | Geometri yang digunakan sebagai operand kiri operasi. |
right | Geometri | Geometri yang digunakan sebagai operand kanan operasi. |
maxError | ErrorMargin, default: null | Jumlah maksimum error yang ditoleransi saat melakukan proyeksi ulang yang diperlukan. |
proj | Proyeksi, default: null | Proyeksi tempat operasi akan dilakukan. Jika tidak ditentukan, operasi akan dilakukan dalam sistem koordinat bola, dan jarak linear akan dinyatakan dalam meter pada bola. |
spherical | Boolean, default: false | Jika benar (true), penghitungan akan dilakukan pada sfera unit. Jika salah, penghitungan akan berbentuk elips, dengan mempertimbangkan perataan bumi. Diabaikan jika proj ditentukan. Defaultnya adalah false. |
Contoh
Editor Kode (JavaScript)
// Define a MultiLineString object.
var multiLineString = ee.Geometry.MultiLineString(
[[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
[[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]]]);
// Define other inputs.
var inputGeom = ee.Geometry.Point(-122.090, 37.423);
// Apply the distance method to the MultiLineString object.
var multiLineStringDistance = multiLineString.distance({'right': inputGeom, 'maxError': 1});
// Print the result to the console.
print('multiLineString.distance(...) =', multiLineStringDistance);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(multiLineString,
{'color': 'black'},
'Geometry [black]: multiLineString');
Map.addLayer(inputGeom,
{'color': 'blue'},
'Parameter [blue]: inputGeom');
Penyiapan Python
Lihat halaman
Lingkungan Python untuk mengetahui informasi tentang Python API dan penggunaan
geemap
untuk pengembangan interaktif.
import ee
import geemap.core as geemap
Colab (Python)
# Define a MultiLineString object.
multilinestring = ee.Geometry.MultiLineString([
[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],
[[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]],
])
# Define other inputs.
input_geom = ee.Geometry.Point(-122.090, 37.423)
# Apply the distance method to the MultiLineString object.
multilinestring_distance = multilinestring.distance(
right=input_geom, maxError=1
)
# Print the result.
display('multilinestring.distance(...) =', multilinestring_distance)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(
multilinestring, {'color': 'black'}, 'Geometry [black]: multilinestring'
)
m.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')
m
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
Terakhir diperbarui pada 2025-07-25 UTC.
[null,null,["Terakhir diperbarui pada 2025-07-25 UTC."],[[["\u003cp\u003eCalculates the minimum distance between a MultiLineString and another geometry.\u003c/p\u003e\n"],["\u003cp\u003eReturns the distance in meters when the projection is not specified, otherwise uses the specified projection.\u003c/p\u003e\n"],["\u003cp\u003eAccepts an optional \u003ccode\u003emaxError\u003c/code\u003e parameter to control the accuracy of reprojection.\u003c/p\u003e\n"],["\u003cp\u003eThe distance is calculated between the MultiLineString and the nearest point on the input geometry.\u003c/p\u003e\n"]]],[],null,["# ee.Geometry.MultiLineString.distance\n\nReturns the minimum distance between two geometries.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|----------------------------------------------------------------------------|---------|\n| MultiLineString.distance`(right, `*maxError* `, `*proj* `, `*spherical*`)` | Float |\n\n| Argument | Type | Details |\n|--------------|----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| this: `left` | Geometry | The geometry used as the left operand of the operation. |\n| `right` | Geometry | The geometry used as the right operand of the operation. |\n| `maxError` | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |\n| `proj` | Projection, default: null | The projection in which to perform the operation. If not specified, the operation will be performed in a spherical coordinate system, and linear distances will be in meters on the sphere. |\n| `spherical` | Boolean, default: false | If true, the calculation will be done on the unit sphere. If false, the calculation will be elliptical, taking earth flattening into account. Ignored if proj is specified. Default is false. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a MultiLineString object.\nvar multiLineString = ee.Geometry.MultiLineString(\n [[[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],\n [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]]]);\n\n// Define other inputs.\nvar inputGeom = ee.Geometry.Point(-122.090, 37.423);\n\n// Apply the distance method to the MultiLineString object.\nvar multiLineStringDistance = multiLineString.distance({'right': inputGeom, 'maxError': 1});\n\n// Print the result to the console.\nprint('multiLineString.distance(...) =', multiLineStringDistance);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(multiLineString,\n {'color': 'black'},\n 'Geometry [black]: multiLineString');\nMap.addLayer(inputGeom,\n {'color': 'blue'},\n 'Parameter [blue]: inputGeom');\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# Define a MultiLineString object.\nmultilinestring = ee.Geometry.MultiLineString([\n [[-122.088, 37.418], [-122.086, 37.422], [-122.082, 37.418]],\n [[-122.087, 37.416], [-122.083, 37.416], [-122.082, 37.419]],\n])\n\n# Define other inputs.\ninput_geom = ee.Geometry.Point(-122.090, 37.423)\n\n# Apply the distance method to the MultiLineString object.\nmultilinestring_distance = multilinestring.distance(\n right=input_geom, maxError=1\n)\n\n# Print the result.\ndisplay('multilinestring.distance(...) =', multilinestring_distance)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(\n multilinestring, {'color': 'black'}, 'Geometry [black]: multilinestring'\n)\nm.add_layer(input_geom, {'color': 'blue'}, 'Parameter [blue]: input_geom')\nm\n```"]]