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tiles: added support for 250x250km grids #36

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Merged
JanssenBrm merged 1 commit into from
Feb 4, 2026
Merged

tiles: added support for 250x250km grids #36

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1 change: 1 addition & 0 deletions app/schemas/tiles.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

class GridTypeEnum(str, Enum):
KM_20 = "20x20km"
KM_250 = "250x250km"


class TileRequest(BaseModel):
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15 changes: 15 additions & 0 deletions app/services/tiles/grids/km_grids.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,21 @@ def split_by_20x20_km_grid(polygon: Polygon) -> GeometryCollection:
)


@register_grid(GridTypeEnum.KM_250)
def split_by_250x250_km_grid(polygon: Polygon) -> GeometryCollection:
"""
Split polygon into 250x250 km tiles.

:param polygon: The GeoJSON Polygon to split.
:return: A list of GeoJSON Polygons.
"""
logger.debug("Splitting polygon in a 250x250km grid")

return GeometryCollection(
type="GeometryCollection", geometries=_split_by_km_grid(polygon, 250.0)
)


def _split_by_km_grid(aoi: Polygon, cell_size_km: float) -> List[Geometry]:
"""
Splits a polygon into a list of smaller polygons based on a square grid of given size in km.
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