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ZoomLDM-demo-dataset.py

@@ -10,16 +10,16 @@ _N_EMBED = {
     "20x": 1,
     "10x": 4,
     "5x": 16,
-    "2.5x": 64,
-    "1.25x": 256,
+    "2_5x": 64,
+    "1_25x": 256,
 }
 
 _MAG_DICT = {
-    "20x": "20x",
-    "10x": "10x",
-    "5x": "5x",
-    "2.5x": "2.5x",
-    "1.25x": "1.25x",
+    "20x": 0,
+    "10x": 1,
+    "5x": 2,
+    "2_5x": 3,
+    "1_25x": 4,
 }
 
 _FIXED_SSL_FEATURE_DIM_1 = 1024
@@ -58,7 +58,7 @@ class TCGADataset(datasets.GeneratorBasedBuilder):
     VERSION = _DATASET_VERSION
     MAGNIFICATIONS = ["20x", "10x", "5x", "2.5x", "1.25x"]
     BUILDER_CONFIGS = []
-    for mag_level_str in MAGNIFICATIONS:
+    for mag_level_str in _MAG_DICT.keys():
         feature_shape = get_ssl_feat_shape(mag_level_str)
         builder_config_instance = MagnificationConfig(
             name=mag_level_str,
@@ -88,26 +88,18 @@ class TCGADataset(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        # self.base_path is set by the datasets library to the directory
-        # of the original script when loading a local script file.
-        # e.g., if script is at './zoomldm_data/ZoomLDM-demo-dataset.py',
-        # self.base_path will be the absolute path to './zoomldm_data/'
-        if not self.base_path:
-            # This should not happen when loading a local script file directly
-            raise ValueError("Dataset Builder's base_path is not set. Cannot locate local data.")
+
 
         original_script_dir = Path(self.base_path)
         mag_folder_name = self.config.data_dir
         
-        # Construct the absolute path to the 'data/magnification_folder_name'
-        # relative to the original script's directory.
         mag_data_abs_path = original_script_dir / "data" / mag_folder_name
         
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
-                    "mag_folder_abs_path": mag_data_abs_path, # Pass the absolute Path object
+                    "mag_folder_abs_path": mag_data_abs_path, 
                     "mag_level": self.config.mag_level,
                 },
             ),
@@ -127,10 +119,8 @@ class TCGADataset(datasets.GeneratorBasedBuilder):
             processed_feature = preprocess_features(ssl_feat_data)
 
             yield idx, {
-                "image": str(img_path), # datasets.Image() handles path strings
+                "image": str(img_path), 
                 "ssl_feat": processed_feature,
-                "filename_img": img_filename,
-                "filename_feat": feat_filename,
                 "mag": _MAG_DICT[mag_level],
             }
             idx += 1