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Added index then blend.

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This commit is contained in:
Felix Delattre 2026-04-11 17:39:19 +02:00
parent 8e7fb1de18
commit 55d6facc4d
8 changed files with 661 additions and 68 deletions
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109
fusion.py
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@ -1,13 +1,15 @@
"""EFAST fusion: S2/S3 reflectance fusion for four scenarios."""
from datetime import datetime, timedelta
from preparation import _get_base_dir, RESOLUTION_RATIO
from preparation import _get_base_dir, _get_itb_base_dir, RESOLUTION_RATIO
def _import_efast():
"""Lazy import of efast to avoid import errors when not using efast functions."""
try:
import efast
return efast
except ImportError:
raise ImportError(
@ -15,7 +17,14 @@ def _import_efast():
)
def run_efast(season, site_position, site_name, cleaning_strategy="aggressive", sigma=None, date_range=None):
def run_efast(
season,
site_position,
site_name,
cleaning_strategy="aggressive",
sigma=None,
date_range=None,
):
lat, lon = site_position
datetime_range = date_range or f"{season}-01-01/{season}-12-31"
@ -47,7 +56,9 @@ def run_efast(season, site_position, site_name, cleaning_strategy="aggressive",
}
if sigma is not None:
kwargs["sigma"] = sigma
efast.fusion(current_date, s3_output_dir, s2_output_dir, fusion_output_dir, **kwargs)
efast.fusion(
current_date, s3_output_dir, s2_output_dir, fusion_output_dir, **kwargs
)
print(
f"[EFAST] Saved: {output_file}"
if output_file.exists()
@ -60,8 +71,94 @@ def run_efast(season, site_position, site_name, cleaning_strategy="aggressive",
print("[EFAST] Completed")
def run_all_efast_scenarios(season, site_position, site_name, sigma_value=30, date_range=None):
def run_all_efast_scenarios(
season, site_position, site_name, sigma_value=30, date_range=None
):
"""Run EFAST fusion for all 4 scenarios. Expects prepared_*/s2 and prepared_*/s3 to exist."""
for strategy in ["aggressive", "nonaggressive"]:
run_efast(season, site_position, site_name, cleaning_strategy=strategy, sigma=None, date_range=date_range)
run_efast(season, site_position, site_name, cleaning_strategy=strategy, sigma=sigma_value, date_range=date_range)
run_efast(
season,
site_position,
site_name,
cleaning_strategy=strategy,
sigma=None,
date_range=date_range,
)
run_efast(
season,
site_position,
site_name,
cleaning_strategy=strategy,
sigma=sigma_value,
date_range=date_range,
)
def run_efast_itb(
season,
site_position,
site_name,
cleaning_strategy="aggressive",
sigma=None,
date_range=None,
):
lat, lon = site_position
datetime_range = date_range or f"{season}-01-01/{season}-12-31"
efast_base_dir = _get_itb_base_dir(season, site_name, cleaning_strategy)
s2_output_dir = efast_base_dir / "s2"
s3_output_dir = efast_base_dir / "s3"
fusion_output_dir = efast_base_dir / (f"fusion_sigma{sigma}" if sigma else "fusion")
fusion_output_dir.mkdir(parents=True, exist_ok=True)
print(f"[EFAST-ITB] Fusion GCC: {site_name} ({lat:.6f}, {lon:.6f}), {season}")
efast = _import_efast()
start_str, end_str = datetime_range.split("/")
start_date = datetime.strptime(start_str, "%Y-%m-%d")
end_date = datetime.strptime(end_str, "%Y-%m-%d")
current_date = start_date
while current_date <= end_date:
date_str = current_date.strftime("%Y%m%d")
output_file = fusion_output_dir / f"GCC_{date_str}.tif"
try:
kwargs = {
"product": "GCC",
"max_days": 30,
"date_position": 2,
"minimum_acquisition_importance": 0.0,
"ratio": RESOLUTION_RATIO,
}
if sigma is not None:
kwargs["sigma"] = sigma
efast.fusion(
current_date, s3_output_dir, s2_output_dir, fusion_output_dir, **kwargs
)
print(
f"[EFAST-ITB] Saved: {output_file}"
if output_file.exists()
else f"[EFAST-ITB] No output for {date_str}"
)
except Exception as e:
print(f"[EFAST-ITB] Error {date_str}: {e}")
current_date += timedelta(days=1)
print("[EFAST-ITB] Completed")
def run_all_efast_itb_scenarios(
season, site_position, site_name, sigma_value=30, date_range=None
):
for strategy in ["aggressive", "nonaggressive"]:
run_efast_itb(
season,
site_position,
site_name,
cleaning_strategy=strategy,
sigma=None,
date_range=date_range,
)
run_efast_itb(
season,
site_position,
site_name,
cleaning_strategy=strategy,
sigma=sigma_value,
date_range=date_range,
)