refactor: reorganize project structure by moving core modules and update import paths in API server

.temp/test_planetary2.py

@@ -0,0 +1,49 @@
+import warnings
+warnings.filterwarnings('ignore')
+
+def load_sen1(bbox, time_range):
+    import pystac_client
+    import planetary_computer
+    import odc.stac
+    
+    catalog = pystac_client.Client.open(
+        "https://planetarycomputer.microsoft.com/api/stac/v1",
+        modifier=planetary_computer.sign_inplace,
+    )
+
+    search = catalog.search(
+        collections=["sentinel-1-rtc"],
+        bbox=bbox,
+        datetime=time_range,
+    )
+    items = list(search.items())
+    print("Found items:", len(items))
+
+    ds_s1 = odc.stac.load(
+        items,
+        bands=["vv", "vh"],
+        bbox=bbox,
+        crs="EPSG:32648",
+        resolution=10,
+        chunks={"x": 2048, "y": 2048, "time": 1}
+    )
+
+    ds_median = ds_s1.median(dim="time").compute()
+    vv = ds_median["vv"]
+    vh = ds_median["vh"]
+
+    vv = vv.expand_dims(dim="band")
+    vh = vh.expand_dims(dim="band")
+
+    vv = vv.rio.write_crs("EPSG:32648")
+    vh = vh.rio.write_crs("EPSG:32648")
+
+    return vh, vv
+
+print("Testing load_sen1...")
+bbox = [105.5, 9.2, 106.4, 10.0]
+time_range = "2022-09-01/2023-10-01"
+vh, vv = load_sen1(bbox, time_range)
+print("VH shape:", vh.shape)
+print("VV shape:", vv.shape)
+print("Success!")