pantierra/efast-phenocam-validation
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Fixed preselection viewer.

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This commit is contained in:
Felix Delattre 2026-02-21 00:27:43 +01:00
parent ac0e687956
commit 585b2d31b0
4 changed files with 82 additions and 401 deletions
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12
preselection.py
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@ -10,7 +10,8 @@ from datetime import datetime
WINDOW_DAYS = 14
MIN_WINDOW_SIZE = 3
THRESHOLDS = {"aggressive": {"threshold": 0.3, "delta": 0.15}, "nonaggressive": {"threshold": 0.2, "delta": 0.25}}
BLUE_MIN = 0.01
# S2 uses reflectance * 10000, S3 uses 0-1
BLUE_MIN = {"s2": 100, "s3": 0.01}
GREEN_BAND = 2
RED_BAND = 3
@ -57,12 +58,13 @@ def _extract_date(filename):
return None, None
def _is_excluded(entry, entries, strategy):
def _is_excluded(entry, entries, strategy, source="s2"):
"""True if entry is excluded by strategy (NDVI threshold/delta or dark blue)."""
th = THRESHOLDS[strategy]
if entry.get("ndvi") is None:
return True
if entry.get("b02") is not None and entry["b02"] < BLUE_MIN:
blue_min = BLUE_MIN.get(source, BLUE_MIN["s2"])
if entry.get("b02") is not None and entry["b02"] < blue_min:
return True
entry_date = datetime.fromisoformat(entry["date"].replace("Z", "+00:00"))
window_ndvi = []
@ -110,8 +112,8 @@ def create_timeseries(season, site_position, site_name):
timeseries.sort(key=lambda e: e["date"])
for e in timeseries:
e["excluded_aggressive"] = _is_excluded(e, timeseries, "aggressive")
e["excluded_nonaggressive"] = _is_excluded(e, timeseries, "nonaggressive")
e["excluded_aggressive"] = _is_excluded(e, timeseries, "aggressive", source)
e["excluded_nonaggressive"] = _is_excluded(e, timeseries, "nonaggressive", source)
with open(output_file, "w") as out:
json.dump(timeseries, out, indent=2)