def _pattern_intersection(self, key):
"""
regarde la cellule voisine pointee par le pattern. Si l'intersection des
traces associees a ce pattern avec l'un des patterns de la cellule pointee,
alors on peut lier les 2 points d'equilibre (Center of Mass) des 2 patterns
pour obtenir un segment du chemin.
"""
print "CELL:"
for pattern, locs in self.all_nodes[key].significant_patterns.iteritems():
if len(locs) > 0:
print "current pattern: ", pattern
direction_out = pattern[1]
dest_cell = self.location_index.neighbor_on_direction(self.all_nodes[key]._center_of_mass(),direction_out)
# if dest_cell:
print "dest cell: ", dest_cell._center_of_mass()
print "current cell: ", self.all_nodes[key]._center_of_mass()
for l in locs:
pass
#print l.latitude, l.longitude
dest_cell_patterns = dest_cell.patterns_by_in_direction(Trajectory.reverse_direction(direction_out))
print "dcp: ", dest_cell_patterns
# self.pattern_edges.append((self.all_nodes[key]._center_of_mass(), dest_cell._center_of_mass()))
if dest_cell_patterns:
for _p in dest_cell_patterns:
dest_midpoint = Trajectory.center_of_mass(dest_cell.significant_patterns[_p])
source_midpoint = Trajectory.center_of_mass(locs)
self.pattern_edges.append((source_midpoint, dest_midpoint))
print "segment added", (source_midpoint, dest_midpoint)
