def cross_products(self, vector_i, vector_j):
cross_products = []
for axis_i, axis_j in itertools.product(vector_i, vector_j):
if axis_i is not axis_j:
axis_cross = cross_product(axis_i, axis_j)
if rho(axis_cross) > self.error:
axis_cross = normalize(axis_cross)
cross_products.append(axis_cross)
return cross_products
def center_two_vertices(self, nuclei_array):
center_of_edge = []
for nuclei_i, nuclei_j in itertools.combinations(nuclei_array, 2):
axis_i = nuclei_i.coordinates
axis_j = nuclei_j.coordinates
axis_edge = vector_add(axis_i, axis_j)
if rho(axis_edge) > self.error:
axis_edge = normalize(axis_edge)
center_of_edge.append(axis_edge)
return center_of_edge
def vertices(self, nuclei_array):
corner = []
for nuclei in nuclei_array:
coordinates = normalize(nuclei.coordinates)
corner.append(coordinates)
return corner
