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How to get information from feature collection metadata?
Methods for getting information from feature collection metadata are the same as those for image collections. See the ImageCollection Information and Metadata section for details. You can use the aggregation shortcuts to count the number of features or summarize an attribute:
How to know the names of featurecollection columns?
Knowing the names and dataypes of FeatureCollection columns can be helpful (e.g., filtering a collection by metadata ). The following example prints column names and datatypes for a collection of point features representing protected areas. // Import a protected areas point feature collection.
How are feature collections used in Google Earth?
Groups of related features can be combined into a FeatureCollection, to enable additional operations on the entire set such as filtering, sorting and rendering. Besides just simple features (geometry + properties), feature collections can also contain other collections.
How to concatenate multiple feature extraction methods scikit?
The combination used in this example is not particularly helpful on this dataset and is only used to illustrate the usage of FeatureUnion.
Can a featurecollection be retrieved from a disk?
Additionally, collections not retrieved from disk (“computed collections”, like those derived from lists or reduceRegions ()) may lack meaningful type information. For more general purpose FeatureCollection aggregation tools, see the Reducing a FeatureCollection page.
How to extract values from featurecollection in JavaScript?
The “maineMeansFeatures” FeatureCollection has a column called “mean” — I trying to extract the values in “mean” as a list (so, here, it’d be a list of 16 values — one for each feature). Any ideas on how to do this? (Note: I’m very new to javascript so I’m not that familiar with FeatureCollections).