code: def resolve_indices(self, index, start_val):
          
  
          channels = self.vertices[index].meta['channels']
          base_channel = start_val 
          rot_ind = -np.ones(3, dtype=int)
          pos_ind = -np.ones(3, dtype=int)
          for i in range(len(channels)):
              if channels[i]== 'Xrotation':
                  rot_ind[0] = base_channel + i
              elif channels[i]=='Yrotation':
                  rot_ind[1] = base_channel + i
              elif channels[i]=='Zrotation':
                  rot_ind[2] = base_channel + i
              elif channels[i]=='Xposition':
                  pos_ind[0] = base_channel + i
              elif channels[i]=='Yposition':
                  pos_ind[1] = base_channel + i
              elif channels[i]=='Zposition':
                  pos_ind[2] = base_channel + i
          self.vertices[index].meta['rot_ind'] = list(rot_ind)
          self.vertices[index].meta['pos_ind'] = list(pos_ind)
docs: Get indices for the skeleton from the channels when loading in channel data.