def init_agents(self):
"""
Initialise the n_agents_arrival agents
The simulation starts with two agents (with a total population of 40 individuals) settling in proximity to
Anakena Beach in the North part of the island in the year t_0 = 800 A.D., following [Bahn2017].
We assume, they erect a settlement nearby within radius moving_radius_arrival
"""
for i in range(self.n_agents_arrival):
# Arrival point is at Anakena Beach
x, y = self.map.midpoints_map[self.map.anakena_ind_map]
# Create an agent, x,y are at Anakena Beach, population p is the initial population over the initial agents
ag = Agent(self, x, y, int(self.p_arrival / self.n_agents_arrival))
ag.cell = self.map.anakena_ind_map
ag.cell_all = self.map.anakena_ind
# For storage purposes:
# Increase agent number in the cell of Anakena Beach by 1
# self.map.agNr_c[ag.cell] += 1
# Increase population size in the cell of Anakena Beach by the agent's population p
self.map.pop_cell[ag.cell] += ag.p
# increase the running agent indices (including dead agents)
self.max_agent_index += 1
# Move the agent to a new location, within the radius specified by moving_radius_arrival around anakena
ag.move(self.map.circ_inds_anakena)
# Update tree preference and consequently resource requirements
ag.update_t_pref()
ag.calc_resource_req()
# Add agent to schedule (list of agents)
self.schedule.append(ag)
return
