def _get_regions_geojson(region_counts: Counter[str],
region_info: RegionInfo) -> Optional[Dict]:
if not region_info:
# Regions are unsupported for product
return None
if region_counts:
low, high = min(region_counts.values()), max(region_counts.values())
else:
low, high = 0, 0
return {
"type":
"FeatureCollection",
"properties": {
"region_type": region_info.name,
"region_unit_label": region_info.unit_label,
"min_count": low,
"max_count": high,
},
"features": [{
"type":
"Feature",
"geometry":
region_info.region(region_code).footprint_wgs84.__geo_interface__,
"properties": {
"region_code": region_code,
"label": region_info.region_label(region_code),
"count": region_counts[region_code],
},
} for region_code in (region_counts or [])
if region_info.region(region_code) is not None],
}
def get_regions_geojson(
product_name: str,
year: Optional[int] = None,
month: Optional[int] = None,
day: Optional[int] = None,
) -> Optional[Dict]:
product = STORE.get_dataset_type(product_name)
region_info = RegionInfo.for_product(product)
if not region_info:
return None
product_summary = STORE.get_product_summary(product.name)
if not product_summary:
# Valid product, but no summary generated.
return None
period = get_time_summary(product_name, year, month, day)
if not period:
# Valid product, but no summary generated.
return None
footprint_wrs84 = _get_footprint(period)
start = time.time()
regions = _get_regions_geojson(period.region_dataset_counts,
footprint_wrs84, region_info)
_LOG.debug("overview.region_gen", time_sec=time.time() - start)
return regions
def _get_regions_geojson(region_counts: Counter[str], footprint: MultiPolygon,
region_info: RegionInfo) -> Optional[Dict]:
region_geometry = _region_geometry_function(region_info, footprint)
if not region_geometry:
# Regions are unsupported for product
return None
if region_counts:
low, high = min(region_counts.values()), max(region_counts.values())
else:
low, high = 0, 0
return {
'type':
'FeatureCollection',
'properties': {
'region_type': region_info.name,
'region_unit_label': region_info.unit_label,
'min_count': low,
'max_count': high,
},
'features': [{
'type': 'Feature',
'geometry': region_geometry(region_code).__geo_interface__,
'properties': {
'region_code': region_code,
'label': region_info.region_label(region_code),
'count': region_counts[region_code]
}
} for region_code in (region_counts or [])]
}