Example #1
0
import numpy as np
import matplotlib.pyplot as plt
from gridworld import Grid
import gridworld
from AcousticTag import AcousticTag
from AcousticReciever import AcousticReciever

taglist = []
E = Grid(taglist, x_range=100, y_range=100)
taglist = E.loadTagList(fname="testField")  #load as list of tags
tagData = E.nploadTagList(fname="testField")  #load tagData into numpy array


############################################## Plotting ############################
def draw(x, fig=1):  #function for plotting field
    plt.figure(fig)
    plt.axis('scaled')
    plt.grid(True)
    plt.plot(x[0], x[1], 'r.')
    plt.xlim([0, E.x_range])
    plt.ylim([0, E.y_range])
    plt.xticks(np.arange(0, E.x_range, E.x_range / 5.0))
    plt.yticks(np.arange(0, E.y_range, E.y_range / 5.0))

    plt.draw()


#get all tag position to plot
N = len(taglist)
tagx = np.zeros(N)
tagy = np.zeros(N)
Example #2
0
taglist = []
agentList = []
tagx = np.zeros(N)
tagy = np.zeros(N)
for i in range(N):
    # taglist.append(AcousticTag(i,last_ping=np.random.randn()),ping_delay=max(2,30*np.random.randn())) # most realistic
    taglist.append(AcousticTag(
        i, last_ping=17 *
        np.random.randn()))  # more realistic (pings are not aligned in time)
    # taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
    x, y, _ = taglist[i].pos
    tagx[i] = x
    tagy[i] = y

E = Grid(taglist, x_range=x_range, y_range=y_range)
if field == fields[0]:
    taglist = E.loadTagList()  # E.setMap(density_map)
    # E.saveTagList()
for i in range(numAgents):
    s = AcousticReciever(np.array([0, 0, 0]), sensorRange)
    if method == searchMethods[2]:
        # agentList.append(Agent(np.array([np.random.rand()*x_range,np.random.rand()*y_range,0,0]),s,E,dim=2))
        agentList.append(
            Agent(np.array([start_pos[0], start_pos[1], 0, 0]), s, E, dim=2))
        agentList[i].dynamics = m2_step
        u = [0, 0]
    else:
        # agentList.append(Agent(np.array([np.random.rand()*x_range,np.random.rand()*y_range]),s,E,dim=2))
        agentList.append(
            Agent(np.array([start_pos[0], start_pos[1]]), s, E, dim=2))
Example #3
0
    plt.xticks(np.arange(0, grid.x_range, grid.x_range / 5.0))
    plt.yticks(np.arange(0, grid.y_range, grid.y_range / 5.0))

    plt.draw()


taglist = []
N = 100  # number of tags to be generated in field
#generate N tags and append to taglist
for i in range(N):
    delay = max(1, 30 * np.random.rand())
    #each tag object has an ID, an offset (last_ping), and a delay between pings (ping_delay)
    taglist.append(
        AcousticTag(i, last_ping=-delay * np.random.rand(), ping_delay=delay))
# create grid world object
grid = Grid(taglist, x_range=100, y_range=100)
#make map of densities for each cell
density_map = np.array([
    0.1, 0.1, 0.4, 0.3, 0.2, 0.1, 0.3, 0.3, 0.1, 0.3, 0.2, 0.3, 0.3, 0.2, 0.1,
    0.3, 0.9, 0.3, 0.2, 0.1, 0.2, 0.3, 0.2, 0.1, 0.1
])
grid.setMap(density_map)  #set map with no arguement sets the default map
#saveTaglist to .csv file
grid.saveTagList(fname="testField")
############################################### Plotting ############################

#get all tag position to plot
tagx = np.zeros(N)
tagy = np.zeros(N)
for i in range(len(taglist)):
    x, y, _ = taglist[i].pos
Example #4
0
taglist = []
agentList = []
tagx = np.zeros(N)
tagy = np.zeros(N)
for i in range(N):
    #taglist.append(AcousticTag(i,last_ping=30*np.random.randn()),ping_delay=max(2,30*np.random.randn())) # most realistic
    taglist.append(AcousticTag(
        i, last_ping=15 *
        np.random.randn()))  # more realistic (pings are not aligned in time)
    #taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
    x, y, _ = taglist[i].pos
    tagx[i] = x
    tagy[i] = y

E = Grid(taglist)
E.setMap(density_map)

for i in range(numAgents):
    s = AcousticReciever(np.array([0, 0, 0]), 50)
    agentList.append(Agent(np.array([(i * 2 + 1) * 50.0, 605.0]), s, E, dim=2))
    agentList[i].dynamics = m1_step

for i in range(N):
    x, y, _ = taglist[i].pos
    tagx[i] = x
    tagy[i] = y

#draw((tagx,tagy))
'''
for t in range(N):
Example #5
0
from Agent import Agent
from AcousticReciever import AcousticReciever
from gridworld import Grid
import numpy as np


def m2_step(x, u):  #motion model
    #  |0 0   1    0|x        |0 0|
    #  |0 0   0    1|y     +  |0 0|u1
    #  |0 0  -a    0|vx       |1 0|u2
    #  |0 0   0   -b|vy       |0 1|
    a = .25
    return np.matmul(
        1 *
        np.array([[0, 0, 1, 0], [0, 0, 0, 1], [0, 0, -a, 0], [0, 0, 0, -a]]),
        x) + np.matmul(1 * np.array([[0, 0], [0, 0], [1, 0], [0, 1]]), u)


#an agent needs a sensor object
#the sensor needs a position and range
sensorRange = 5
sensor = AcousticReciever(np.array([0, 0, 0]), sensorRange)
#it also needs a gridworld object for access to the tag locations and possibly flow model. may get rid of the equirment in future
taglist = []
E = Grid(taglist, x_range=100, y_range=100)
#agent takes initial state array, a sensor, and the number of dimensions (2 for (x,y) vs 3 for (x,y,z)) can also be added
rd2d = Agent(np.array([1, 1, 0, 0]), sensor, E, dim=2)
rd2d.dynamics = m2_step  #then agent takes a function as the dynamics with the input signature f(x,u)
Example #6
0
running=False
searchComplete=False
taglist=[]
agentList=[]
tagx=np.zeros(N)
tagy=np.zeros(N)
for i in range(N):
	#taglist.append(AcousticTag(i,last_ping=np.random.randn()),ping_delay=max(2,30*np.random.randn())) # most realistic 
	taglist.append(AcousticTag(i,last_ping=np.random.randn())) # more realistic (pings are not aligned in time)
	#taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
	x,y,_ = taglist[i].pos
	tagx[i]=x
	tagy[i]=y
	
E = Grid(taglist)
E.setMap(density_map)

for i in range(numAgents):
	s= AcousticReciever(np.array([0,0,0]),50)
	agentList.append(Agent(np.array([(i*2+1)*50.0,605.0]),s,E,dim=2))
	agentList[i].dynamics=m1_step
	
for i in range(N):
	x,y,_ = taglist[i].pos
	tagx[i]=x
	tagy[i]=y
	

#draw((tagx,tagy))
'''
Example #7
0
show_only_when_pinging = True
     #setup
taglist=[]
agentList=[]
tagx=np.zeros(N)
tagy=np.zeros(N)
for i in range(N):
	#taglist.append(AcousticTag(i,last_ping=np.random.randn()),ping_delay=max(2,30*np.random.randn())) # most realistic 
    taglist.append(AcousticTag(i,last_ping=10*np.random.randn())) # more realistic (pings are not aligned in time)
    #taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
    x,y,_ = taglist[i].pos
    tagx[i]=x
    tagy[i]=y
	
#E = Grid(taglist,x_range=20,y_range=20)
E = Grid(taglist)
if fileToLoad=="":
    E.setMap()
    #E.saveTagList()
else:
    taglist=E.loadTagList()
	
for i in range(numAgents):
    s= AcousticReciever(np.array([0,0,0]),50)
    agentList.append(Agent(np.array([(i+1)*E.x_range/5,3*E.y_range/5]),s,E,dim=2))
    agentList[i].dynamics=m1_step
	
for i in range(N):
    x,y,_ = taglist[i].pos
    tagx[i]=x
    tagy[i]=y
Example #8
0
numAgents=1
time_step=.5
#np.random.seed(1)
     #setup
taglist=[]
agentList=[]
tagx=np.zeros(N)
tagy=np.zeros(N)
for i in range(N):
    taglist.append(AcousticTag(i,last_ping=15*np.random.randn())) # more realistic
    #taglist.append(AcousticTag(i)) #better for understanding
    x,y,_ = taglist[i].pos
    tagx[i]=x
    tagy[i]=y
	
E = Grid(taglist)
E.setMap()

for i in range(numAgents):
    s= AcousticReciever(np.array([0,0,0]),50)
    agentList.append(Agent(np.array([50.0,600.0]),s,E,dim=2))
    agentList[i].dynamics=m1_step
	
for i in range(N):
    x,y,_ = taglist[i].pos
    tagx[i]=x
    tagy[i]=y
	

draw((tagx,tagy))
'''
Example #9
0
running = False
searchComplete = False
taglist = []
agentList = []
tagx = np.zeros(N)
tagy = np.zeros(N)
for i in range(N):
    #taglist.append(AcousticTag(i,last_ping=np.random.randn()),ping_delay=max(2,30*np.random.randn())) # most realistic
    taglist.append(AcousticTag(i, last_ping=np.random.randn())
                   )  # more realistic (pings are not aligned in time)
    #taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
    x, y, _ = taglist[i].pos
    tagx[i] = x
    tagy[i] = y

E = Grid(taglist)
E.setMap(density_map)

for i in range(numAgents):
    s = AcousticReciever(np.array([0, 0, 0]), 50)
    agentList.append(Agent(np.array([(i * 2 + 1) * 50.0, 605.0]), s, E, dim=2))
    agentList[i].dynamics = m1_step

for i in range(N):
    x, y, _ = taglist[i].pos
    tagx[i] = x
    tagy[i] = y

#draw((tagx,tagy))
'''
for t in range(N):
Example #10
0
taglist=[]
agentList=[]
tagx=np.zeros(N)
tagy=np.zeros(N)
"""
for i in range(N):
    #taglist.append(AcousticTag(i,last_ping=-np.random.rand()),ping_delay=max(2,30*np.random.randn())) # most realistic
	taglist.append(AcousticTag(i,last_ping=-17*np.random.rand())) # more realistic (pings are not aligned in time)
#	taglist.append(AcousticTag(i)) #better for understanding because pings are aligned in time and  all have same ping interval
	x,y,_ = taglist[i].pos
	tagx[i]=x
	tagy[i]=y
"""

E = Grid(taglist,x_range=x_range, y_range=y_range)
if field == fields[0]:
    taglist= E.loadTagList("testField1_1000") #E.setMap(density_map)
    tagData=np.genfromtxt("testField1_1000.csv",delimiter=",")
    #E.saveTagList("tags")
for i in range(numAgents):
    s= AcousticReciever(np.array([0,0,0]),sensorRange)
    if method == searchMethods[2]:
        #agentList.append(Agent(np.array([np.random.rand()*x_range,np.random.rand()*y_range,0,0]),s,E,dim=2))
        agentList.append(Agent(np.array([start_pos[0],start_pos[1],0,0]),s,E,dim=2))
        agentList[i].dynamics=m2_step
        u=[0,0]
    elif method == searchMethods[4]:
        #agentList.append(Agent(np.array([np.random.rand()*x_range,np.random.rand()*y_range,0,0]),s,E,dim=2))
        agentList.append(Agent(np.array([start_pos[0],start_pos[1]]),s,E,dim=2))
        agentList[i].dynamics=m3_step