ee.Image.clip
จัดทุกอย่างให้เป็นระเบียบอยู่เสมอด้วยคอลเล็กชัน
บันทึกและจัดหมวดหมู่เนื้อหาตามค่ากำหนดของคุณ
ครอบตัดรูปภาพเป็นเรขาคณิตหรือฟีเจอร์
แถบเอาต์พุตจะสอดคล้องกับแถบอินพุตทุกประการ ยกเว้นข้อมูลที่เรขาคณิตไม่ครอบคลุมจะถูกมาสก์ รูปภาพเอาต์พุตจะยังคงมีข้อมูลเมตาของรูปภาพอินพุต
ใช้ clipToCollection เพื่อคลิปรูปภาพไปยัง FeatureCollection
แสดงผลรูปภาพที่ครอบตัด
การใช้งาน | การคืนสินค้า |
---|
Image.clip(geometry) | รูปภาพ |
อาร์กิวเมนต์ | ประเภท | รายละเอียด |
---|
ดังนี้ image | รูปภาพ | อินสแตนซ์รูปภาพ |
geometry | ฟีเจอร์|เรขาคณิต|ออบเจ็กต์ | เรขาคณิตหรือฟีเจอร์ที่จะตัด |
ตัวอย่าง
โปรแกรมแก้ไขโค้ด (JavaScript)
// A digital elevation model.
var dem = ee.Image('NASA/NASADEM_HGT/001');
var demVis = {bands: 'elevation', min: 0, max: 1500};
// Clip the DEM by a polygon geometry.
var geomPoly = ee.Geometry.BBox(-121.55, 39.01, -120.57, 39.38);
var demClip = dem.clip(geomPoly);
print('Clipped image retains metadata and band names', demClip);
Map.setCenter(-121.12, 38.13, 8);
Map.addLayer(demClip, demVis, 'Polygon clip');
Map.addLayer(geomPoly, {color: 'green'}, 'Polygon geometry', false);
// Clip the DEM by a line geometry.
var geomLine = ee.Geometry.LinearRing(
[[-121.19, 38.10], [-120.53, 38.54], [-120.22, 37.83], [-121.19, 38.10]]);
Map.addLayer(dem.clip(geomLine), demVis, 'Line clip');
Map.addLayer(geomLine, {color: 'orange'}, 'Line geometry', false);
// Images have geometry; clip the dem image by the geometry of an S2 image.
var s2Img = ee.Image('COPERNICUS/S2_SR/20210109T185751_20210109T185931_T10SEG');
var geomS2Img = s2Img.geometry();
Map.addLayer(dem.clip(geomS2Img), demVis, 'Image geometry clip');
Map.addLayer(geomS2Img, {color: 'blue'}, 'Image geometry', false);
// Don't use ee.Image.clip prior to ee.Image.regionReduction, the "geometry"
// parameter handles it more efficiently.
var zonalMax = dem.select('elevation').reduceRegion({
reducer: ee.Reducer.max(),
geometry: geomPoly
});
print('Max elevation (m)', zonalMax.get('elevation'));
// Don't use ee.Image.clip to clip an image by a FeatureCollection, use
// ee.Image.clipToCollection(collection).
var watersheds = ee.FeatureCollection('USGS/WBD/2017/HUC10')
.filterBounds(ee.Geometry.Point(-122.754, 38.606).buffer(2e4));
Map.addLayer(dem.clipToCollection(watersheds), demVis, 'Watersheds clip');
Map.addLayer(watersheds, {color: 'red'}, 'Watersheds', false);
การตั้งค่า Python
ดูข้อมูลเกี่ยวกับ Python API และการใช้ geemap
เพื่อการพัฒนาแบบอินเทอร์แอกทีฟได้ที่หน้า
สภาพแวดล้อม Python
import ee
import geemap.core as geemap
Colab (Python)
# A digital elevation model.
dem = ee.Image('NASA/NASADEM_HGT/001')
dem_vis = {'bands': 'elevation', 'min': 0, 'max': 1500}
# Clip the DEM by a polygon geometry.
geom_poly = ee.Geometry.BBox(-121.55, 39.01, -120.57, 39.38)
dem_clip = dem.clip(geom_poly)
display('Clipped image retains metadata and band names', dem_clip)
m = geemap.Map()
m.set_center(-121.12, 38.13, 8)
m.add_layer(dem_clip, dem_vis, 'Polygon clip')
m.add_layer(geom_poly, {'color': 'green'}, 'Polygon geometry', False)
# Clip the DEM by a line geometry.
geom_line = ee.Geometry.LinearRing(
[[-121.19, 38.10], [-120.53, 38.54], [-120.22, 37.83], [-121.19, 38.10]]
)
m.add_layer(dem.clip(geom_line), dem_vis, 'Line clip')
m.add_layer(geom_line, {'color': 'orange'}, 'Line geometry', False)
# Images have geometry clip the dem image by the geometry of an S2 image.
s_2_img = ee.Image('COPERNICUS/S2_SR/20210109T185751_20210109T185931_T10SEG')
geom_s_2_img = s_2_img.geometry()
m.add_layer(dem.clip(geom_s_2_img), dem_vis, 'Image geometry clip')
m.add_layer(geom_s_2_img, {'color': 'blue'}, 'Image geometry', False)
# Don't use ee.Image.clip prior to ee.Image.regionReduction, the "geometry"
# parameter handles it more efficiently.
zonal_max = dem.select('elevation').reduceRegion(
reducer=ee.Reducer.max(), geometry=geom_poly
)
display('Max elevation (m)', zonal_max.get('elevation'))
# Don't use ee.Image.clip to clip an image by a FeatureCollection, use
# ee.Image.clipToCollection(collection).
watersheds = ee.FeatureCollection('USGS/WBD/2017/HUC10').filterBounds(
ee.Geometry.Point(-122.754, 38.606).buffer(2e4)
)
m.add_layer(dem.clipToCollection(watersheds), dem_vis, 'Watersheds clip')
m.add_layer(watersheds, {'color': 'red'}, 'Watersheds', False)
m
เนื้อหาของหน้าเว็บนี้ได้รับอนุญาตภายใต้ใบอนุญาตที่ต้องระบุที่มาของครีเอทีฟคอมมอนส์ 4.0 และตัวอย่างโค้ดได้รับอนุญาตภายใต้ใบอนุญาต Apache 2.0 เว้นแต่จะระบุไว้เป็นอย่างอื่น โปรดดูรายละเอียดที่นโยบายเว็บไซต์ Google Developers Java เป็นเครื่องหมายการค้าจดทะเบียนของ Oracle และ/หรือบริษัทในเครือ
อัปเดตล่าสุด 2025-07-29 UTC
[null,null,["อัปเดตล่าสุด 2025-07-29 UTC"],[[["\u003cp\u003e\u003ccode\u003eImage.clip()\u003c/code\u003e masks an image by a Geometry or Feature, retaining the input image's metadata and bands within the clipped area.\u003c/p\u003e\n"],["\u003cp\u003eThe output of \u003ccode\u003eImage.clip()\u003c/code\u003e is an Image with the same bands as the input, but with data outside the clip geometry masked.\u003c/p\u003e\n"],["\u003cp\u003eWhen clipping to a FeatureCollection, use \u003ccode\u003eclipToCollection()\u003c/code\u003e instead of \u003ccode\u003eImage.clip()\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eFor \u003ccode\u003eregionReduction\u003c/code\u003e operations, specifying the geometry directly in the \u003ccode\u003ereduceRegion\u003c/code\u003e call is more efficient than pre-clipping the image.\u003c/p\u003e\n"]]],[],null,["# ee.Image.clip\n\n\u003cbr /\u003e\n\nClips an image to a Geometry or Feature.\n\n\u003cbr /\u003e\n\nThe output bands correspond exactly to the input bands, except data not covered by the geometry is masked. The output image retains the metadata of the input image.\n\nUse clipToCollection to clip an image to a FeatureCollection.\n\nReturns the clipped image.\n\n| Usage | Returns |\n|------------------------|---------|\n| Image.clip`(geometry)` | Image |\n\n| Argument | Type | Details |\n|---------------|---------------------------|-------------------------------------|\n| this: `image` | Image | The Image instance. |\n| `geometry` | Feature\\|Geometry\\|Object | The Geometry or Feature to clip to. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A digital elevation model.\nvar dem = ee.Image('NASA/NASADEM_HGT/001');\nvar demVis = {bands: 'elevation', min: 0, max: 1500};\n\n// Clip the DEM by a polygon geometry.\nvar geomPoly = ee.Geometry.BBox(-121.55, 39.01, -120.57, 39.38);\nvar demClip = dem.clip(geomPoly);\nprint('Clipped image retains metadata and band names', demClip);\nMap.setCenter(-121.12, 38.13, 8);\nMap.addLayer(demClip, demVis, 'Polygon clip');\nMap.addLayer(geomPoly, {color: 'green'}, 'Polygon geometry', false);\n\n// Clip the DEM by a line geometry.\nvar geomLine = ee.Geometry.LinearRing(\n [[-121.19, 38.10], [-120.53, 38.54], [-120.22, 37.83], [-121.19, 38.10]]);\nMap.addLayer(dem.clip(geomLine), demVis, 'Line clip');\nMap.addLayer(geomLine, {color: 'orange'}, 'Line geometry', false);\n\n// Images have geometry; clip the dem image by the geometry of an S2 image.\nvar s2Img = ee.Image('COPERNICUS/S2_SR/20210109T185751_20210109T185931_T10SEG');\nvar geomS2Img = s2Img.geometry();\nMap.addLayer(dem.clip(geomS2Img), demVis, 'Image geometry clip');\nMap.addLayer(geomS2Img, {color: 'blue'}, 'Image geometry', false);\n\n// Don't use ee.Image.clip prior to ee.Image.regionReduction, the \"geometry\"\n// parameter handles it more efficiently.\nvar zonalMax = dem.select('elevation').reduceRegion({\n reducer: ee.Reducer.max(),\n geometry: geomPoly\n});\nprint('Max elevation (m)', zonalMax.get('elevation'));\n\n// Don't use ee.Image.clip to clip an image by a FeatureCollection, use\n// ee.Image.clipToCollection(collection).\nvar watersheds = ee.FeatureCollection('USGS/WBD/2017/HUC10')\n .filterBounds(ee.Geometry.Point(-122.754, 38.606).buffer(2e4));\nMap.addLayer(dem.clipToCollection(watersheds), demVis, 'Watersheds clip');\nMap.addLayer(watersheds, {color: 'red'}, 'Watersheds', false);\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# A digital elevation model.\ndem = ee.Image('NASA/NASADEM_HGT/001')\ndem_vis = {'bands': 'elevation', 'min': 0, 'max': 1500}\n\n# Clip the DEM by a polygon geometry.\ngeom_poly = ee.Geometry.BBox(-121.55, 39.01, -120.57, 39.38)\ndem_clip = dem.clip(geom_poly)\ndisplay('Clipped image retains metadata and band names', dem_clip)\nm = geemap.Map()\nm.set_center(-121.12, 38.13, 8)\nm.add_layer(dem_clip, dem_vis, 'Polygon clip')\nm.add_layer(geom_poly, {'color': 'green'}, 'Polygon geometry', False)\n\n# Clip the DEM by a line geometry.\ngeom_line = ee.Geometry.LinearRing(\n [[-121.19, 38.10], [-120.53, 38.54], [-120.22, 37.83], [-121.19, 38.10]]\n)\nm.add_layer(dem.clip(geom_line), dem_vis, 'Line clip')\nm.add_layer(geom_line, {'color': 'orange'}, 'Line geometry', False)\n\n# Images have geometry clip the dem image by the geometry of an S2 image.\ns_2_img = ee.Image('COPERNICUS/S2_SR/20210109T185751_20210109T185931_T10SEG')\ngeom_s_2_img = s_2_img.geometry()\nm.add_layer(dem.clip(geom_s_2_img), dem_vis, 'Image geometry clip')\nm.add_layer(geom_s_2_img, {'color': 'blue'}, 'Image geometry', False)\n\n# Don't use ee.Image.clip prior to ee.Image.regionReduction, the \"geometry\"\n# parameter handles it more efficiently.\nzonal_max = dem.select('elevation').reduceRegion(\n reducer=ee.Reducer.max(), geometry=geom_poly\n)\ndisplay('Max elevation (m)', zonal_max.get('elevation'))\n\n# Don't use ee.Image.clip to clip an image by a FeatureCollection, use\n# ee.Image.clipToCollection(collection).\nwatersheds = ee.FeatureCollection('USGS/WBD/2017/HUC10').filterBounds(\n ee.Geometry.Point(-122.754, 38.606).buffer(2e4)\n)\nm.add_layer(dem.clipToCollection(watersheds), dem_vis, 'Watersheds clip')\nm.add_layer(watersheds, {'color': 'red'}, 'Watersheds', False)\nm\n```"]]