ee.ImageCollection.filter
קל לארגן דפים בעזרת אוספים
אפשר לשמור ולסווג תוכן על סמך ההעדפות שלך.
החלת מסנן על האוסף הזה.
מחזירה את האוסף המסונן.
שימוש | החזרות |
---|
ImageCollection.filter(filter) | אוסף |
ארגומנט | סוג | פרטים |
---|
זה: collection | אוסף | מופע האוסף. |
filter | סינון | מסנן להחלה על האוסף הזה. |
דוגמאות
עורך הקוד (JavaScript)
// The GOES Mesoscale images come in two domains.
// Separate the two groups using ee.Filter.eq.
var goes17_mcmipm = ee.ImageCollection('NOAA/GOES/17/MCMIPM');
var goes17_mcmipm_day =
goes17_mcmipm.filterDate('2020-09-26', '2020-09-27');
var d1 = goes17_mcmipm_day.filter('domain == 1');
var d2 = goes17_mcmipm_day.filter('domain == 2');
// domain 3 does not exist.
var d3 = goes17_mcmipm_day.filter('domain == 3');
print(goes17_mcmipm_day.size());
print(d1.size());
print(d2.size());
print(d3.size());
הגדרת Python
מידע על Python API ועל שימוש ב-geemap
לפיתוח אינטראקטיבי מופיע בדף
Python Environment.
import ee
import geemap.core as geemap
Colab (Python)
# The GOES Mesoscale images come in two domains.
# Separate the two groups using ee.Filter.eq.
goes17_mcmipm = ee.ImageCollection('NOAA/GOES/17/MCMIPM')
goes17_mcmipm_day = goes17_mcmipm.filterDate('2020-09-26', '2020-09-27')
d1 = goes17_mcmipm_day.filter('domain == 1')
d2 = goes17_mcmipm_day.filter('domain == 2')
# domain 3 does not exist.
d3 = goes17_mcmipm_day.filter('domain == 3')
print(goes17_mcmipm_day.size().getInfo())
print(d1.size().getInfo())
print(d2.size().getInfo())
print(d3.size().getInfo())
אלא אם צוין אחרת, התוכן של דף זה הוא ברישיון Creative Commons Attribution 4.0 ודוגמאות הקוד הן ברישיון Apache 2.0. לפרטים, ניתן לעיין במדיניות האתר Google Developers. Java הוא סימן מסחרי רשום של חברת Oracle ו/או של השותפים העצמאיים שלה.
עדכון אחרון: 2025-07-26 (שעון UTC).
[null,null,["עדכון אחרון: 2025-07-26 (שעון UTC)."],[[["\u003cp\u003e\u003ccode\u003eImageCollection.filter()\u003c/code\u003e allows you to apply a filter to an ImageCollection, resulting in a new collection containing only the images that match the filter criteria.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003efilter\u003c/code\u003e argument accepts a Filter object, such as one created with \u003ccode\u003eee.Filter.eq\u003c/code\u003e, to define the filtering conditions.\u003c/p\u003e\n"],["\u003cp\u003eThis method is useful for subsetting collections based on properties like date, metadata, or image content.\u003c/p\u003e\n"],["\u003cp\u003eApplying a filter with criteria that no images satisfy will return an empty collection.\u003c/p\u003e\n"]]],[],null,["# ee.ImageCollection.filter\n\n\u003cbr /\u003e\n\nApply a filter to this collection.\n\n\u003cbr /\u003e\n\nReturns the filtered collection.\n\n| Usage | Returns |\n|----------------------------------|------------|\n| ImageCollection.filter`(filter)` | Collection |\n\n| Argument | Type | Details |\n|--------------------|------------|---------------------------------------|\n| this: `collection` | Collection | The Collection instance. |\n| `filter` | Filter | A filter to apply to this collection. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// The GOES Mesoscale images come in two domains.\n// Separate the two groups using ee.Filter.eq.\nvar goes17_mcmipm = ee.ImageCollection('NOAA/GOES/17/MCMIPM');\nvar goes17_mcmipm_day =\n goes17_mcmipm.filterDate('2020-09-26', '2020-09-27');\n\nvar d1 = goes17_mcmipm_day.filter('domain == 1');\nvar d2 = goes17_mcmipm_day.filter('domain == 2');\n// domain 3 does not exist.\nvar d3 = goes17_mcmipm_day.filter('domain == 3');\n\nprint(goes17_mcmipm_day.size());\nprint(d1.size());\nprint(d2.size());\nprint(d3.size());\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# The GOES Mesoscale images come in two domains.\n# Separate the two groups using ee.Filter.eq.\ngoes17_mcmipm = ee.ImageCollection('NOAA/GOES/17/MCMIPM')\ngoes17_mcmipm_day = goes17_mcmipm.filterDate('2020-09-26', '2020-09-27')\n\nd1 = goes17_mcmipm_day.filter('domain == 1')\nd2 = goes17_mcmipm_day.filter('domain == 2')\n# domain 3 does not exist.\nd3 = goes17_mcmipm_day.filter('domain == 3')\n\nprint(goes17_mcmipm_day.size().getInfo())\nprint(d1.size().getInfo())\nprint(d2.size().getInfo())\nprint(d3.size().getInfo())\n```"]]