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gprSuperReal_time.py
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gprSuperReal_time.py
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from __future__ import print_function # WalabotAPI works on both Python 2 and 3.
from sys import platform
import time as tm
from os import system, path
import json
from imp import load_source
import winsound
import matplotlib.pyplot as plt
import numpy as np
APP_STATUS = ['STATUS_CLEAN',
'STATUS_INITIALIZED',
'STATUS_CONNECTED',
'STATUS_CONFIGURED',
'STATUS_SCANNING',
'STATUS_CALIBRATING',
'STATUS_CALIBRATING_NO_MOVEMENT']
WalabotAPI = load_source('WalabotAPI',
'C:/Program Files/Walabot/WalabotSDK/python/WalabotAPI.py')
WalabotAPI.Init("C:/Program Files/Walabot/WalabotSDK/bin/WalabotAPI.dll")
TX_ANTENNA_NUM = 15
RX_ANTENNA_NUM = 16
def plotDB(time, amplitude):
db = lambda x: -10 * np.log10(abs(x))
tome = lambda t: t * 3 * (10**8) /2
convertDb = np.vectorize(db)
convertTime = np.vectorize(tome)
time_arr = np.asarray(time)
time_arr = convertTime(time_arr)
amp_arr = np.asarray(amplitude)
#amp_arr = convertDb(amp_arr)
plt.ylim(None, 1)
print("Min amplitude value ", np.min(amp_arr))
plt.plot(time_arr.tolist(), amp_arr.tolist())
plt.show(block = False)
plt.pause(0.2)
plt.gcf().clear()
def GetSignal(targets, counter, filename, x_pos, y_pos):
# jsonRes = {}
# print("target length", len(targets))
# jsonRes['coord'] = [x_pos, y_pos]
# jsonRes['time'] = targets[1]
# jsonRes['amplitude'] = targets[0]
# with open(filename) as f:
# data = json.load(f)
#
# data.update({counter: jsonRes})
#
# with open(filename, 'w') as f:
# json.dump(data, f)
plotDB(targets[1], targets[0])
def PrintSensorTargets(targets, counter, filename, rasterImage, power, x_pos, y_pos):
system('cls' if platform == 'win32' else 'clear')
jsonRes = {}
jsonRes['rasterImage'] = rasterImage
jsonRes['power'] = power
if targets:
for i,target in enumerate(targets):
res = ('Target #{}:\ntype: {}\nangleDeg: {}\nx: {}\ny: {}\nz: {}' + '\nwidth: {}\namplitude: {}\n').format(i + 1, target.type, target.angleDeg, target.xPosCm, target.yPosCm, target.zPosCm, target.widthCm, target.amplitude)
jsonRes['Coordinates'] = [x_pos, y_pos]
jsonRes['targetNum'] = i + 1
jsonRes['type'] = target.type
jsonRes['angleDeg'] = target.angleDeg
jsonRes['xPosCm'] = target.xPosCm
jsonRes['yPosCm'] = target.yPosCm
jsonRes['zPosCm'] = target.zPosCm
jsonRes['widthCm'] = target.widthCm
jsonRes['amplitude'] = target.amplitude
jsonRes['rasterImage'] = rasterImage
jsonRes['power'] = power
with open(filename) as f:
data = json.load(f)
data.update({counter: jsonRes})
with open(filename, 'w') as f:
json.dump(data, f)
else:
with open(filename) as f:
data = json.load(f)
data.update({counter: jsonRes})
with open(filename, 'w') as f:
json.dump(data, f)
def InWallApp(filename):
rawSignalFile = filename+'.json'
imageFile = filename+'_simple.json'
# WalabotAPI.SetArenaX - input parameters
xArenaMin, xArenaMax, xArenaRes = -3, 4, 0.5
# WalabotAPI.SetArenaY - input parameters
yArenaMin, yArenaMax, yArenaRes = -6, 4, 0.5
# WalabotAPI.SetArenaZ - input parameters
zArenaMin, zArenaMax, zArenaRes = 3, 15, 0.5
# Configure Walabot database install location (for windows)
WalabotAPI.SetSettingsFolder()
# 1) Connect: Establish communication with walabot.
WalabotAPI.ConnectAny()
# 2) Configure: Set scan profile and arena
# Set Profile - to Short-range.
WalabotAPI.SetProfile(WalabotAPI.PROF_SHORT_RANGE_IMAGING)
# Walabot filtering disable
WalabotAPI.SetDynamicImageFilter(WalabotAPI.FILTER_TYPE_NONE)
# 3) Start: Start the system in preparation for scanning.
WalabotAPI.Start()
# calibrates scanning to ignore or reduce the signals
WalabotAPI.StartCalibration()
appStatus = -1
while appStatus != 4:
appStatus, calibrationProcess = WalabotAPI.GetStatus()
print("Starting up ", APP_STATUS[appStatus], "percentage", calibrationProcess )
for _ in range(10):
WalabotAPI.Trigger()
pairs = WalabotAPI.GetAntennaPairs();
counter = 1
stopper = input("Begin")
freq = 250
x_pos = 10
increment = 2
y_pos = 0
while True:
if x_pos > 30:
y_pos += increment
x_pos = 10
# 5) Trigger: Scan (sense) according to profile and record signals
# to be available for processing and retrieval.
WalabotAPI.Trigger()
# 6) Get action: retrieve the last completed triggered recording
print("Scanning ",counter, " using ", TX_ANTENNA_NUM, " transmitter and ", RX_ANTENNA_NUM, " receiver")
pairs = WalabotAPI.GetAntennaPairs();
for pair in pairs:
if pair.txAntenna == TX_ANTENNA_NUM and pair.rxAntenna == RX_ANTENNA_NUM:
chosenPair = pair
targets = [];
print("Coordinates: ", x_pos, " ,", y_pos)
targets= WalabotAPI.GetSignal(chosenPair);
GetSignal(targets, counter, rawSignalFile, x_pos, y_pos)
print("Obtained ", counter, "raw signal")
#targets = WalabotAPI.GetImagingTargets()
#rasterImage, _, _, _, power = WalabotAPI.GetRawImage()
#PrintSensorTargets(targets,counter,imageFile,rasterImage,power, x_pos, y_pos)
#print("Obtained ", counter, "target image")
#alarm when done
freq += 1;
counter += 1
x_pos += increment
#rasterImage, _, _, sliceDepth, power = WalabotAPI.GetRawImageSlice()
# print targets found
#PrintSensorTargets(targets)
# 7) Stop and Disconnect.
WalabotAPI.Stop()
WalabotAPI.Disconnect()
print ('Terminate successfully')
if __name__ == '__main__':
filename = input("Key in experiment name: ")
filename = './results/' + filename
paths = [filename+'.json', filename+'_simple.json']
for pth in paths:
if not path.exists(pth):
with open(pth, 'w+') as f:
json.dump({}, f)
InWallApp(filename)