Add date of estimation

app.py

@@ -39,10 +39,12 @@ def run_all(latitude: float, longitude: float):
         if err is not None or data is None:
             return ("n/a", "n/a", "n/a")
         cloud_cov = data["cloud"]
+        estimation_date = data["estimation_date"]
         X = data["X"]
         agb = predict_agbd(X)
         carbon = carbon_from_agbd(agb)
-        return (f"{cloud_cov:.2f} %",
+        return (f"{estimation_date}",
+                f"{cloud_cov:.2f} %",
                 f"{agb:.2f} t/ha",
                 f"{carbon:.2f} tC/ha")
     except Exception as e:
@@ -60,17 +62,18 @@ with gr.Blocks(theme=gr.themes.Ocean(), fill_height=True) as demo:
                 clear = gr.Button("Clear")
                 submit = gr.Button("Submit", variant="primary")
         with gr.Column(scale=1):
+            est_date = gr.Textbox(label="Date of estimation")
             cloud = gr.Textbox(label="Cloud coverage")
             agbd  = gr.Textbox(label="Above ground biomass density (AGBD) t/ha")
             cstock = gr.Textbox(label="Carbon stock density tC/ha")
 
     def _on_submit(la, lo):
         return run_all(la, lo)
-    submit.click(_on_submit, [lat, lon], [cloud, agbd, cstock]) # pylint: disable=no-member
+    submit.click(_on_submit, [lat, lon], [est_date, cloud, agbd, cstock]) # pylint: disable=no-member
 
     def _on_clear():
         return None, None, None, None, None
-    clear.click(_on_clear, outputs=[lat, lon, cloud, agbd, cstock]) # pylint: disable=no-member
+    clear.click(_on_clear, outputs=[lat, lon, est_date, cloud, agbd, cstock]) # pylint: disable=no-member
 
 if __name__ == "__main__":
     demo.launch(share=True)

utils.py

@@ -136,8 +136,8 @@ def extract_from_gee(lat: float, lon: float, radius_m: int = 30):
         return None, {"error": "No Sentinel-2 image available on ROI/time window."}
 
     cloud_cover = ee.Number(img_s2.get("CLOUDY_PIXEL_PERCENTAGE")).getInfo()
-    acq_iso = ee.Date(img_s2.get(TIME_KEY)).format().getInfo()
-    days = days_since_utc(acq_iso)
+    acq_iso_s2 = ee.Date(img_s2.get(TIME_KEY)).format().getInfo()
+    days_s2 = days_since_utc(acq_iso_s2)
 
     s1 = (S1.filterBounds(roi)
             .filterDate(start, end)
@@ -148,6 +148,13 @@ def extract_from_gee(lat: float, lon: float, radius_m: int = 30):
             .select(s1_bands))
 
     img_s1 = s1.sort(TIME_KEY, False).first()
+    acq_iso_s1 = ee.Date(img_s1.get(TIME_KEY)).format().getInfo()
+    days_s1 = days_since_utc(acq_iso_s1)
+
+    if days_s1 > days_s2:
+        estimation_date = acq_iso_s2
+    else:
+        estimation_date = acq_iso_s1
 
     # DEM
     s1_proj = img_s1.projection()
@@ -186,6 +193,6 @@ def extract_from_gee(lat: float, lon: float, radius_m: int = 30):
     return {
         "X": data,
         "cloud": float(cloud_cover),
-        "days": int(days),
+        "estimation_date": estimation_date.split("T")[0],
         "ndvi_mean": ndvi_mean
     }, None