Update SSL4EO-L-Benchmark.py

SSL4EO-L-Benchmark.py

@@ -100,6 +100,7 @@ class SSL4EOLBenchmarkDataset(datasets.GeneratorBasedBuilder):
             features=datasets.Features({
                 "optical": datasets.Array3D(shape=(self.NUM_CHANNELS, self.HEIGHT, self.WIDTH), dtype="float32"),
                 "label": datasets.Array2D(shape=(self.HEIGHT, self.WIDTH), dtype="int32"),
+                "optical_channel_wv": datasets.Sequence(datasets.Value("float32")),
                 "spatial_resolution": datasets.Value("int32"),
             }),
         )
@@ -142,6 +143,7 @@ class SSL4EOLBenchmarkDataset(datasets.GeneratorBasedBuilder):
         ]
 
     def _generate_examples(self, split, data_dir):
+        optical_channel_wv = self.metadata["channel_wv"]
         spatial_resolution = self.spatial_resolution
 
         data_dir = os.path.join(data_dir, "SSL4EOLBenchmark")
@@ -159,6 +161,7 @@ class SSL4EOLBenchmarkDataset(datasets.GeneratorBasedBuilder):
             sample = {
                 "optical": optical,
                 "label": label,
+                "optical_channel_wv": optical_channel_wv,
                 "spatial_resolution": spatial_resolution,
             }