[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003eMerges geometries from an ImageCollection into a single Geometry, ensuring all input geometries share the same projection and edge interpretation.\u003c/p\u003e\n"],["\u003cp\u003eThis operation is computationally intensive and may perform poorly with large or complex collections; it's advised to use the smallest necessary collection for optimal results.\u003c/p\u003e\n"],["\u003cp\u003eThe process can be customized with an optional \u003ccode\u003emaxError\u003c/code\u003e parameter to control the margin of error during geometry merging.\u003c/p\u003e\n"]]],[],null,["# ee.ImageCollection.geometry\n\nExtracts and merges the geometries of a collection. Requires that all the geometries in the collection share the projection and edge interpretation.\n\n\u003cbr /\u003e\n\n| **Caution:** providing a large or complex collection as input can result in poor performance. Collating the geometry of collections does not scale well; use the smallest collection that is required to achieve the desired outcome.\n| **Note:** If only a bounding box around the collection is needed, consider using Collection.bounds instead.\n\n| Usage | Returns |\n|------------------------------------------|----------|\n| ImageCollection.geometry`(`*maxError*`)` | Geometry |\n\n| Argument | Type | Details |\n|--------------------|-----------------------|----------------------------------------------------|\n| this: `collection` | FeatureCollection | The collection whose geometries will be extracted. |\n| `maxError` | ErrorMargin, optional | An error margin to use when merging geometries. |"]]
