Fix clip block more.

CHANGES.rst

@@ -4,7 +4,7 @@ Changelog of dask-geomodeling
 2.5.4 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Fix clip block when start is None.
 
 
 2.5.3 (2024-10-28)

dask_geomodeling/raster/misc.py

@@ -80,7 +80,9 @@ def get_sources_and_requests(self, **request):
         if period is None:
             return [(None, None), (None, None)]
 
-        start = request.get("start", period[1])
+        start = request.get("start")
+        if start is None:
+            start = period[1]
         stop = request.get("stop")
 
         if stop is not None:

dask_geomodeling/tests/test_raster_misc.py

@@ -176,6 +176,14 @@ def test_clip_no_temporal_overlap(source, vals_request):
     assert clip.get_data(**vals_request) is None
 
 
+def test_clip_request_start_is_none(source, point_request):
+    clip = raster.Clip(source, source)
+    point_request["start"] = None
+    point_request["stop"] = None
+    result = clip.get_data(**point_request)["values"].item()
+    assert result == 255
+
+
 def test_reclassify(source, vals_request):
     view = raster.Reclassify(store=source, data=[[7, 1000]])
     data = view.get_data(**vals_request)