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uibcdf · Feb 24, 2024 · 6688510 · 6688510
1 parent 546e081
commit 6688510
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Showing 2 changed files with 3 additions and 16 deletions.
diff --git a/molsysmt/form/molsysmt_Structures/append_structures.py b/molsysmt/form/molsysmt_Structures/append_structures.py
@@ -1,8 +1,8 @@
 from molsysmt._private.exceptions import NotImplementedMethodError
 from molsysmt._private.digestion import digest
 
-@digest(form='molsysmt.Structures')
-def append_structures(item, id=None, time=None, coordinates=None, velocities=None,
+@digest(form='molsysmt.Structures', to_form='molsysmt.Structures')
+def append_structures(to_item, item=None, id=None, time=None, coordinates=None, velocities=None,
         box=None, temperature=None, potential_energy=None, kinetic_energy=None, skip_digestion=False):
 
     item.append(id=id, time=time, coordinates=coordinates,

diff --git a/molsysmt/native/structures.py b/molsysmt/native/structures.py
@@ -132,7 +132,7 @@ def _append_coordinates(self, coordinates, atom_indices='all', structure_indices
                 raise ValueError(
                     "The coordinates to be appended in the system "
                     "need to have the same number of atoms.")
-            self.coordinates = _concatenate_arrays(self.coordinates, coordinates)
+
             if is_all(structure_indices):
                 if is_all(atom_indices):
                     self.coordinates = np.concatenate([self.coordinates, coordinates])
@@ -166,7 +166,6 @@ def _append_velocities(self, velocities, atom_indices='all', structure_indices='
                 raise ValueError(
                     "The velocities to be appended in the system "
                     "need to have the same number of atoms.")
-            self.velocities = _concatenate_arrays(self.velocities, velocities)
             if is_all(structure_indices):
                 if is_all(atom_indices):
                     self.velocities = np.concatenate([self.velocities, velocities])
@@ -426,7 +425,6 @@ def append_structures(self, item, atom_indices='all', structure_indices='all', s
                     skip_digestion=True
                    )
 
-
     @digest(form='molsysmt.Structures')
     def add(self, item, atom_indices='all', structure_indices='all', skip_digestion=False):
 
@@ -625,14 +623,3 @@ def copy(self):
         """ Returns a copy of the structures."""
         return deepcopy(self)
 
-
-@staticmethod
-def _concatenate_arrays(array_1, array_2):
-    """ Concatenates two arrays provided that they are not null."""
-    if array_2 is not None:
-        if array_1 is None:
-            raise ValueError(
-                f"The trajectory has no array to append the new frame.")
-        else:
-            return np.concatenate([array_1, array_2])
-