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ee.Geometry.Polygon.type
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
返回几何图形的 GeoJSON 类型。
示例
代码编辑器 (JavaScript)
// Define a Polygon object.
var polygon = ee.Geometry.Polygon(
[[[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423]]]);
// Apply the type method to the Polygon object.
var polygonType = polygon.type();
// Print the result to the console.
print('polygon.type(...) =', polygonType);
// Display relevant geometries on the map.
Map.setCenter(-122.085, 37.422, 15);
Map.addLayer(polygon,
{'color': 'black'},
'Geometry [black]: polygon');
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 Polygon object.
polygon = ee.Geometry.Polygon([[
[-122.092, 37.424],
[-122.086, 37.418],
[-122.079, 37.425],
[-122.085, 37.423],
]])
# Apply the type method to the Polygon object.
polygon_type = polygon.type()
# Print the result.
display('polygon.type(...) =', polygon_type)
# Display relevant geometries on the map.
m = geemap.Map()
m.set_center(-122.085, 37.422, 15)
m.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')
m
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最后更新时间 (UTC)：2025-07-26。
[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003eReturns the GeoJSON type of a geometry object as a string.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003etype()\u003c/code\u003e method can be applied to a Geometry object, specifically illustrated with a Polygon in the provided examples.\u003c/p\u003e\n"],["\u003cp\u003eUsage involves calling \u003ccode\u003egeometry.type()\u003c/code\u003e, which will return a string representing the geometry type, such as "Polygon".\u003c/p\u003e\n"],["\u003cp\u003eCode examples demonstrate using the \u003ccode\u003etype()\u003c/code\u003e method in both JavaScript and Python for Earth Engine.\u003c/p\u003e\n"]]],["The `type()` method determines the GeoJSON type of a given geometry, returning a string. When applied to a Polygon object, it identifies the object as a \"Polygon\". The method takes a Geometry object as input. Example usage is shown in both JavaScript and Python, where a Polygon is defined, the `type()` method is called, and the resulting type is printed. The examples also demonstrate how to display the geometry on a map.\n"],null,["# ee.Geometry.Polygon.type\n\nReturns the GeoJSON type of the geometry.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|------------------|---------|\n| Polygon.type`()` | String |\n\n| Argument | Type | Details |\n|------------------|----------|---------|\n| this: `geometry` | Geometry | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Define a Polygon object.\nvar polygon = ee.Geometry.Polygon(\n [[[-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423]]]);\n\n// Apply the type method to the Polygon object.\nvar polygonType = polygon.type();\n\n// Print the result to the console.\nprint('polygon.type(...) =', polygonType);\n\n// Display relevant geometries on the map.\nMap.setCenter(-122.085, 37.422, 15);\nMap.addLayer(polygon,\n {'color': 'black'},\n 'Geometry [black]: polygon');\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 Polygon object.\npolygon = ee.Geometry.Polygon([[\n [-122.092, 37.424],\n [-122.086, 37.418],\n [-122.079, 37.425],\n [-122.085, 37.423],\n]])\n\n# Apply the type method to the Polygon object.\npolygon_type = polygon.type()\n\n# Print the result.\ndisplay('polygon.type(...) =', polygon_type)\n\n# Display relevant geometries on the map.\nm = geemap.Map()\nm.set_center(-122.085, 37.422, 15)\nm.add_layer(polygon, {'color': 'black'}, 'Geometry [black]: polygon')\nm\n```"]]
