Cherry picking from Open-EO#128

openeo/rest/connection.py

@@ -7,7 +7,7 @@
 import shutil
 import sys
 import warnings
-from typing import Dict, List, Tuple
+from typing import Dict, List, Tuple, Union
 from urllib.parse import urljoin
 
 import requests
@@ -349,7 +349,7 @@ def list_processgraphs(self, process_graph):
     def _api_version(self) -> ComparableVersion:
         return self.capabilities().api_version_check
 
-    def load_collection(self, collection_id: str, **kwargs) -> ImageCollectionClient:
+    def load_collection(self, collection_id: str, **kwargs) -> Union[ImageCollectionClient, DataCube]:
         """
         Load an image collection by collection id
 

openeo/rest/datacube.py

@@ -540,20 +540,21 @@ def apply(self, process: str, data_argument='x') -> 'DataCube':
             }
         ))
 
-    def reduce_temporal_simple(self, process_id="max") -> 'DataCube':
+    def reduce_temporal_simple(self, process_id="max", dimension=None) -> 'DataCube':
         """Do temporal reduce with a simple given process as callback."""
+        # TODO #128 #116 get rid again of explicit dimension argument?
         return self._reduce_temporal(reducer=PGNode(
             process_id=process_id,
             arguments={"data": {"from_parameter": "data"}}
-        ))
+        ), dimension=dimension)
 
-    def min_time(self) -> 'DataCube':
+    def min_time(self, dimension=None) -> 'DataCube':
         """Finds the minimum value of a time series for all bands of the input dataset.
 
             :return: a DataCube instance
         """
-
-        return self.reduce_temporal_simple("min")
+        # TODO #128 #116 get rid again of explicit dimension argument?
+        return self.reduce_temporal_simple("min", dimension=dimension)
 
     def max_time(self) -> 'DataCube':
         """