Cathode crosser fixes

spine/data/out/base.py

@@ -89,6 +89,11 @@ class OutBase(PosDataBase):
     # Attributes that must not be stored to file when storing lite files
     _lite_skip_attrs = ('index',)
 
+    def reset_match(self):
+        """Resets the reco/truth matching information for the object."""
+        self.is_matched = False
+        self.match_ids = np.empty(0, dtype=np.int64)
+
     @property
     def size(self):
         """Total number of voxels that make up the object.

spine/post/reco/cathode_cross.py

@@ -1,10 +1,11 @@
 """Cathode crossing identification + merging module."""
 
 import numpy as np
+from scipy.spatial.distance import cdist
 
 from spine.data import RecoInteraction, TruthInteraction
 
-from spine.math.distance import cdist, farthest_pair
+from spine.math.distance import farthest_pair
 
 from spine.utils.globals import TRACK_SHP
 from spine.utils.geo import Geometry
@@ -81,7 +82,6 @@ def __init__(self, crossing_point_tolerance, offset_tolerance,
             keys['points'] = True
         if run_mode != 'reco':
             keys[truth_point_mode] = True
-
         self.update_keys(keys)
 
     def process(self, data):
@@ -92,6 +92,11 @@ def process(self, data):
         data : dict
             Dictionary of data products
         """
+        # Reset all particle/interaction matches, they are broken by merging
+        for obj_key in self.obj_keys:
+            for obj in data[obj_key]:
+                obj.reset_match()
+
         # Loop over particle types
         update_dict = {}
         for part_key in self.particle_keys:
@@ -188,8 +193,7 @@ def process(self, data):
                     # Check if the two particles stop at roughly the same
                     # position in the plane of the cathode
                     compat = True
-                    dist_mat = cdist(
-                            end_points_i[:, caxes], end_points_j[:, caxes])
+                    dist_mat = cdist(end_points_i[:, caxes], end_points_j[:, caxes])
                     argmin = np.argmin(dist_mat)
                     pair_i, pair_j = np.unravel_index(argmin, (2, 2))
                     compat &= (
@@ -257,7 +261,6 @@ def adjust_positions(self, data, idx_i, idx_j=None, truth=False):
             Index of a matched cathode crosser fragment
         truth : bool, default False
             If True, adjust truth object positions
-
         Results
         -------
         np.ndarray

spine/utils/geo/detector/tpc.py

@@ -195,6 +195,17 @@ def cathode_pos(self):
         """
         return np.mean([c.cathode_pos for c in self.chambers])
 
+    @property
+    def cathode_thickness(self):
+        """Thickness of the cathode.
+
+        Returns
+        -------
+        float
+            Thickness of the cathode
+        """
+        return abs(self.chambers[1].cathode_pos - self.chambers[0].cathode_pos)
+
     def __len__(self):
         """Returns the number of TPCs in the module.
 

spine/utils/geo/source/icarus_geometry.yaml

@@ -1,5 +1,5 @@
 tpc:
-  dimensions: [148.2, 316.82, 1789.901]
+  dimensions: [148.2, 316.82, 1789.902]
   module_ids: [0, 0, 1, 1]
   det_ids: [0, 0, 1, 1]
   positions:

spine/utils/geo/source/sbnd_geometry.yaml

@@ -1,9 +1,9 @@
 tpc:
-  dimensions: [201.3, 400.016, 499.51562]
+  dimensions: [201.1, 400.016, 499.51562]
   module_ids: [0, 0]
   positions:
-  - [-100.65, 0.0, 254.70019]
-  - [100.65, 0.0, 254.70019]
+  - [-100.75, 0.0, 254.70019]
+  - [100.75, 0.0, 254.70019]
 optical:
   volume: module
   shape: [box, ellipsoid]