if the Rasterizer gets chunks = None it will init the Loader with chu…

…nks = auto and then load only the rasterized data into memory.

sup3r/preprocessing/rasterizers/extended.py

@@ -88,11 +88,12 @@ def __init__(
         """
         self.raster_file = raster_file
         self.max_delta = max_delta
+        preload = chunks is None
         self.loader = Loader(
             file_paths,
             features=features,
             res_kwargs=res_kwargs,
-            chunks=chunks,
+            chunks='auto' if preload else chunks,
             BaseLoader=BaseLoader,
         )
         super().__init__(
@@ -108,6 +109,9 @@ def __init__(
         ):
             self.save_raster_index()
 
+        if preload:
+            self.data.compute()
+
     def rasterize_data(self):
         """Get rasterized data."""
         if not self.loader.flattened: