json works

src/orisys/configs/__init__.py

@@ -4,11 +4,44 @@ from pathlib import Path
 CONFIG_DIR = Path(__file__).parent
 
 def load_config(config_name: str):
+    """
+    Load sensor configuration from JSON file.
+    
+    Args:
+        config_name: Name of the config file (without .json extension)
+    
+    Returns:
+        Dictionary containing the configuration
+    
+    Raises:
+        FileNotFoundError: If the config file doesn't exist
+    """
     config_path = CONFIG_DIR / f"{config_name}.json"
+    
+    if not config_path.exists():
+        # List available configs for better error message
+        available = [f.stem for f in CONFIG_DIR.glob("*.json")]
+        available_str = ", ".join(available) if available else "none"
+        raise FileNotFoundError(
+            f"Config file not found: {config_path}\n"
+            f"Available configs: {available_str}"
+        )
+    
     with open(config_path, 'r') as f:
         return json.load(f)
     
 def save_config(config: dict, config_name: str):
+    """
+    Save sensor configuration to JSON file.
+    
+    Args:
+        config: Dictionary containing the configuration
+        config_name: Name of the config file (without .json extension)
+    
+    Returns:
+        Path to the saved config file
+    """
     config_path = CONFIG_DIR / f"{config_name}.json"
     with open(config_path, 'w') as f:
-        json.dump(config, f, indent=4)
+        json.dump(config, f, indent=4)
+    return config_path

src/orisys/configs/prototype.json

@@ -5,19 +5,20 @@
       "resolution_raw": [1920, 1080],
       "fps": 60,
       "units": 15,
-      "resolution_stitch": [400, 400]
+      "resolution_stitch": [400, 400],
+      "index": [1,2,3,6,7,8,11,12,13],
+      "pos_default": [[260, 56], [577, 62], [897, 69], [1214, 75], [1530, 81], [256, 391], [570, 397], [889, 403], [1208, 409], [1523, 416], [248, 724], [563, 730], [882, 738], [1201, 743], [1516, 751]]
     },
     "elastomer": {
       "thickness_mm": 3.0,
       "marker_pattern": "random_color",
       "marker_version": "1.0"
     },
-    "mechanical":{
+    "mechanical": {
       "width_mm": 10,
       "height_mm": 10,
       "depth_mm": 10
-  
     }
-  }
-  
-  
+}
+
+

src/orisys/sensor.py

@@ -13,13 +13,14 @@ from scipy.interpolate import griddata
 from enum import Enum, auto
 from typing import Optional, Tuple, Union, Any
 from .getDensity import getFilteredDensity
+from . import configs
 
 class Sensor:
     """
     Sensor helper that can decompose optical flow via Fourier methods.
     Stores the decomposed components and global norms as attributes after compute().
     """
-    def __init__(self, vid_src, isstitch=False, verbose=True, cuda=True):
+    def __init__(self, vid_src, isstitch=False, verbose=True, cuda=True, config_name="prototype"):
         """
         Initialize Sensor with video source and configuration.
         
@@ -110,6 +111,8 @@ class Sensor:
         FSHEARY = auto()
         DEPTH = auto()
 
+    def get_config(self):
+        return configs.load_config("prototype")
 
     def get_img(self):
         """