Mapping classes to nodata values

torchgeo/datasets/chesapeake.py

@@ -112,8 +112,8 @@ class Chesapeake(GeoDataset, abc.ABC):
         11: (230, 230, 0, 255),
         12: (255, 255, 115, 255),
         13: (197, 0, 255, 255),
-        14: (0, 0, 0, 255),
-        15: (0, 0, 0, 255),
+        14: (0, 0, 0, 0),
+        15: (0, 0, 0, 0),
     }
 
     def __init__(
@@ -272,6 +272,8 @@ class Chesapeake7(Chesapeake):
         5: (156, 156, 156, 255),
         6: (0, 0, 0, 255),
         7: (197, 0, 255, 255),
+        14: (0, 0, 0, 0),
+        15: (0, 0, 0, 0),
     }