add ALOS DSM layer

wri · May 29, 2024 · 364bc21 · 364bc21
1 parent 09f91dc
commit 364bc21
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/city_metrix/layers/alos_dsm.py b/city_metrix/layers/alos_dsm.py
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+import ee
+import xee
+import xarray as xr
+
+from .layer import Layer, get_image_collection
+
+
+class AlosDSM(Layer):
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+    def get_data(self, bbox):
+        dataset = ee.ImageCollection("JAXA/ALOS/AW3D30/V3_2")
+        alos_dsm = ee.ImageCollection(dataset
+                                      .filterBounds(ee.Geometry.BBox(*bbox))
+                                      .select('DSM')
+                                      .mean()
+                                      )
+        data = get_image_collection(alos_dsm, bbox, 30, "ALOS DSM").DSM
+
+        return data