def addnewnode(vertices, m_add):
# add one node and connect it to m_add new links
verlen = vertices.getlength()
if m_add > verlen:
m_add = verlen
indexp = amodel.addnode(vertices)
for i in range(m_add):
indexq = choosenode(vertices)
while indexp == indexq:
indexq = choosenode(vertices)
# connect these two if they are not connected
if not vertices.is_connected(indexp, indexq):
amodel.linknodes(vertices, indexp, indexq)
def addnewlinks(vertices, l_add):
# add l_add new links between existing vertices
# choose randomly l_add number of vertices
# for each chosen vertex, connect to other vertex based on the probability function
# choose l_add number of random vertices
verlen = vertices.getlength()
if l_add > verlen:
l_add = verlen
lsindex = random.sample(range(verlen), l_add)
for indexp in lsindex:
# choose another vertex to be connected to
indexq = choosenode(vertices)
while indexp == indexq:
indexq = choosenode(vertices)
# connect these two if they are not connected
if not vertices.is_connected(indexp, indexq):
amodel.linknodes(vertices, indexp, indexq)
