convert geojson #4
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alexandercyu
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Nov 4, 2025
| description: str | None = None | ||
| authors: list[Author] | ||
| geometry: Geometry | None | ||
| geometry: GeoJSON | None |
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Does this mean the frontend will now have to submit a geojson instead of just the geometry portion?
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No, nothing has to change on the frontend
alexandercyu
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Nov 4, 2025
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If a user uploads a GeoJSON that is not compatible with the STAC spec, we can try to convert it into a format that is compatible.
STAC supports all GeoJSON geometries except for geometry-collections. However, a user could upload a feature, geometry-collection, or feature collection. Previously, these were considered invalid geometries but in some cases they can be converted to a STAC-compliant geometry.
For example, a feature-collection containing a point and a multipoint or multiple points can be converted to a single multipoint containing the same point data; a geometry-collection containing 3 polygons can be converted to a multi-polygon.
This is especially useful if a user uploads a GeoJSON generated by a website like geojson.io which always generates feature-collections.
When a user uploads a GeoJSON, it is validated to ensure that it can be converted to a STAC-compliant format. When the STAC representation of a data request is created, the uploaded geometry is then converted and added to the generated STAC item.