feat: aggregate earth engine feature collection (DHIS2-11963) #428
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jenniferarnesen
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# [3.4.0](v3.3.0...v3.4.0) (2022-02-28) ### Features * aggregate earth engine feature collection (DHIS2-11963) ([#428](#428)) ([187e2c9](187e2c9))
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🎉 This PR is included in version 3.4.0 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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To support the new "building footprints" dataset from Google Earth Engine we need to be able to count the number of building features within an area polygon. This is different than the other EE layers we have which are all raster/pixel based.
Partly fixes: https://jira.dhis2.org/browse/DHIS2-11963
The issue was solved by adding a new
formatlayer option. If format isFeatureCollectionwe will count the number of features within an area.Number of buildings within 100 m from a health facility:
It also works for multiple (catchment) areas:
Buildings that are only partly within the boundary will also be counted.
There will be a bigger PR in maps-app to support the new building footprints layer.