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main.py
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from formlayout import fedit
import scipy.io as sio
import numpy as np
from PyQt4 import QtCore, QtGui
from simconf import *
from matplotlib.figure import Figure
import UI
import sys
import visual
import fvisual
import threading
import thread
about_msg = '''
<h2>Simulation platform based on FDTD method </h2>
<p>Developed by Wang Wen, 2014, All Rights Reserved </p>
<p>Email: [email protected]</p>
<p>Computational Electromagnetics Lab, UESTC</p>
'''
def visualBrick(brick, opacity = 0.7, offset = (0.0, 0.0, 0.0), material = None, color = visual.color.white):
center_x = (brick.max_x + brick.min_x) / 2 + offset[0]
center_y = (brick.max_y + brick.min_y) / 2 + offset[1]
center_z = (brick.max_z + brick.min_z) / 2 + offset[2]
size_x = brick.max_x - brick.min_x
size_y = brick.max_y - brick.min_y
size_z = brick.max_z - brick.min_z
visual.box(pos = (center_x, center_y, center_z),
length = size_x, height = size_y, width = size_z,
color = color, opacity = opacity,
material = material
)
def dependencies_for_myprogram():
from scipy.sparse.csgraph import _validation
import formlayout
import matplotlib.backends.backend_tkagg
import mpl_toolkits.mplot3d
from mpl_toolkits.mplot3d import Axes3D
def readFloat(line_edit):
if(line_edit.text() != ""):
return float(line_edit.text())
else:
raise Exception("Invalid numerical value...")
def lineEditText(edit, value):
edit.setText(str(value))
class UpdateThread(threading.Thread):
def __init__(self, parent):
super(UpdateThread, self).__init__()
self.parent = parent
self.stop = False
def run(self):
self.parent.ui.pushButton_Start.setEnabled(False)
for p in self.parent.simul.perform():
if(self.stop): return
self.parent.progress.emit(p)
self.parent.ui.pushButton_Start.setEnabled(True)
def terminate(self):
#super(UpdateThread, self).__stop()
self.parent.ui.pushButton_Start.setEnabled(True)
self.stop = True
return
class MainDialog(QtGui.QWidget):
progress = QtCore.pyqtSignal(int, name = 'progress')
def __init__(self):
super(MainDialog, self).__init__()
self.ui = UI.Ui_MainWidget()
self.ui.setupUi(self)
self.configUI()
self.simul = Simulation()
self.progress.connect(self.ui.progressBar.setValue)
self.update_thread = None
X = np.linspace(0, 10, 1000)
self.ui.graphicWidget.axes.plot(X, np.sin(X))
self.ui.graphicWidget.draw()
self.f_saved = True
self.f_perf = False
def configUI(self):
self.ui.radioButton_GS_PlaneE.setChecked(True)
self.ui.radioButton_GSC_Ex.setChecked(True)
self.receive_model = QtGui.QStandardItemModel()
self.ui.treeView_Receive.setModel(self.receive_model)
self.receive_model.setHorizontalHeaderLabels(["X", "Y", "Z"])
self.ui.treeView_Receive.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.scatterer_model = QtGui.QStandardItemModel()
self.ui.treeView_Scatterer.setModel(self.scatterer_model)
self.scatterer_model.setHorizontalHeaderLabels(["Shape", "Min", "Max", "Eps", "Mu", "Sigma"])
self.ui.treeView_Scatterer.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.ui.progressBar.setRange(0, 100)
self.ui.progressBar.setValue(0)
self.ui.tabWidget.setCurrentIndex(0)
def clearUI(self):
self.ui.lineEdit_CS_GridSize.clear()
self.ui.lineEdit_CS_X.clear()
self.ui.lineEdit_CS_Y.clear()
self.ui.lineEdit_CS_Z.clear()
self.ui.lineEdit_GS_Position.clear()
self.ui.lineEdit_RVP_X.clear()
self.ui.lineEdit_RVP_Y.clear()
self.ui.lineEdit_RVP_Z.clear()
self.ui.lineEdit_SBK_Xmax.clear()
self.ui.lineEdit_SBK_Xmin.clear()
self.ui.lineEdit_SBK_Ymax.clear()
self.ui.lineEdit_SBK_Ymin.clear()
self.ui.lineEdit_SBK_Zmax.clear()
self.ui.lineEdit_SBK_Zmin.clear()
self.ui.lineEdit_SC_BandWidth.clear()
self.ui.lineEdit_SC_CentralFreq.clear()
self.ui.lineEdit_SCP_X.clear()
self.ui.lineEdit_SCP_Y.clear()
self.ui.lineEdit_SCP_Z.clear()
self.ui.lineEdit_SMD_Eps.clear()
self.ui.lineEdit_SMD_Mu.clear()
self.ui.lineEdit_SMD_Sigma.clear()
self.ui.lineEdit_TS_Number.clear()
self.ui.lineEdit_TS_Width.clear()
self.receive_model.clear()
self.scatterer_model.clear()
self.ui.radioButton_GS_PlaneE.setChecked(True)
self.ui.radioButton_GSC_Ex.setChecked(True)
def about(self):
QtGui.QMessageBox.question(self, 'About',
about_msg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.Yes)
def addScatterer(self):
X_min = readFloat(self.ui.lineEdit_SBK_Xmin)
X_max = readFloat(self.ui.lineEdit_SBK_Xmax)
Y_min = readFloat(self.ui.lineEdit_SBK_Ymin)
Y_max = readFloat(self.ui.lineEdit_SBK_Ymax)
Z_min = readFloat(self.ui.lineEdit_SBK_Zmin)
Z_max = readFloat(self.ui.lineEdit_SBK_Zmax)
med = Medium()
med.eps = readFloat(self.ui.lineEdit_SMD_Eps)
med.mu = readFloat(self.ui.lineEdit_SMD_Mu)
med.sig = readFloat(self.ui.lineEdit_SMD_Sigma)
i_shape = QtGui.QStandardItem("Brick")
i_min = QtGui.QStandardItem("%.2f, %.2f, %.2f" % (X_min, Y_min, Z_min))
i_max = QtGui.QStandardItem("%.2f, %.2f, %.2f" % (X_max, Y_max, Z_max))
i_med_eps = QtGui.QStandardItem(str(med.eps))
i_med_mu = QtGui.QStandardItem(str(med.mu))
i_med_sig = QtGui.QStandardItem(str(med.sig))
self.scatterer_model.appendRow([i_shape, i_min, i_max, i_med_eps, i_med_mu, i_med_sig])
self.simul.addScatterer(med, Brick(vector_3(X_min, Y_min, Z_min), vector_3(X_max, Y_max, Z_max)))
print len(self.simul.scatterers)
def setWall(self):
datalist = [('Epsilon', self.simul.wall_medium.eps),
('Mu', self.simul.wall_medium.mu),
('Sigma', self.simul.wall_medium.sig),
('Thickness', self.simul.wall_thick),
]
data = fedit(datalist, title="Configure the Wall",
comment="Set the parameters about the wall:")
if data != None:
self.simul.setWall(data[3], Medium(data[0], data[1], data[2]))
def scattererDetail(self):
sel = self.ui.treeView_Scatterer.selectedIndexes()
if(len(sel) != 0):
row = sel[0].row()
scatterer = self.simul.scatterers[row]
datalist = [('X_min', scatterer.shape.min_x),
('Y_min', scatterer.shape.min_y),
('Z_min', scatterer.shape.min_z),
('X_max', scatterer.shape.max_x),
('Y_max', scatterer.shape.max_y),
('Z_max', scatterer.shape.max_z),
('Epsilon', scatterer.medium.eps),
('Mu', scatterer.medium.mu),
('Sigma', scatterer.medium.sig)
]
data = fedit(datalist, title="Scatterer Detail",
comment="Set the parameters about the Scatterer:")
if data != None:
scatterer.shape = Brick(vector_3(data[0], data[1], data[2]), vector_3(data[3], data[4], data[5]))
scatterer.medium = Medium(data[6], data[7], data[8])
self.scatterer_model.setItem(row, 1, QtGui.QStandardItem("%.2f, %.2f, %.2f" % (data[0], data[1], data[2])))
self.scatterer_model.setItem(row, 2, QtGui.QStandardItem("%.2f, %.2f, %.2f" % (data[3], data[4], data[5])))
self.scatterer_model.setItem(row, 3, QtGui.QStandardItem(str(data[6])))
self.scatterer_model.setItem(row, 4, QtGui.QStandardItem(str(data[7])))
self.scatterer_model.setItem(row, 5, QtGui.QStandardItem(str(data[8])))
def exportReceiveSignal(self):
select = self.ui.treeView_Receive.selectedIndexes()
if len(select) == 0:
return
row = select[0].row()
signal = self.simul.task.getReceiveSignal(row)
fname = QtGui.QFileDialog.getSaveFileName(self, 'Save Signal', 'untitled', '*.csv')
if(fname == '' or fname == None):
return
signal.save(str(fname))
return
def exportAllReceive(self):
fname = QtGui.QFileDialog.getSaveFileName(self, 'Save Signal', 'untitled', '*.mat')
if(fname == '' or fname == None):
return
n = len(self.simul.receives)
time = np.arange(0.0, self.simul.dt * self.simul.N, self.simul.dt)
d = {"Time": time}
pos = []
for i in range(n):
signal = self.simul.task.getReceiveSignal(i)
key = "Signal" + str(i)
d[key] = np.array(map(lambda n: signal[n], range(signal.length)))
vc = self.simul.receives[i].position
pos.append((vc.x, vc.y, vc.z))
d["Position"] = pos
sio.savemat(str(fname), d)
def deleteScatterer(self):
sel = self.ui.treeView_Scatterer.selectedIndexes()
if(len(sel) != 0):
row = sel[0].row()
self.scatterer_model.removeRow(row)
del self.simul.scatterers[row]
print len(self.simul.scatterers)
def addReceivePoint(self):
X = readFloat(self.ui.lineEdit_RVP_X)
Y = readFloat(self.ui.lineEdit_RVP_Y)
Z = readFloat(self.ui.lineEdit_RVP_Z)
self.receive_model.appendRow([QtGui.QStandardItem(str(X)),
QtGui.QStandardItem(str(Y)),
QtGui.QStandardItem(str(Z))]
)
self.simul.addReceivePoint(vector_3(X, Y, Z))
def startSimulation(self):
self.readBasicConfig()
self.update_thread = UpdateThread(self)
self.update_thread.start()
self.f_perf = True
def stopSimulation(self):
self.update_thread.terminate()
def deleteReceivePoint(self):
select = self.ui.treeView_Receive.selectedIndexes()
if len(select) != 0:
row = select[0].row()
self.receive_model.removeRow(row)
del self.simul.receives[row]
#print len(self.simul.receives)
def readBasicConfig(self):
self.simul.dt = readFloat(self.ui.lineEdit_TS_Width)
self.simul.N = int(readFloat(self.ui.lineEdit_TS_Number))
cs_x = readFloat(self.ui.lineEdit_CS_X)
cs_y = readFloat(self.ui.lineEdit_CS_Y)
cs_z = readFloat(self.ui.lineEdit_CS_Z)
cs_resol = readFloat(self.ui.lineEdit_CS_GridSize)
self.simul.coord_sys = Cartesian(vector_3(cs_x, cs_y, cs_z), cs_resol)
sor_x = readFloat(self.ui.lineEdit_SCP_X)
sor_y = readFloat(self.ui.lineEdit_SCP_Y)
sor_z = readFloat(self.ui.lineEdit_SCP_Z)
sor_freq = readFloat(self.ui.lineEdit_SC_CentralFreq)
sor_band = readFloat(self.ui.lineEdit_SC_BandWidth)
self.simul.setSource(vector_3(sor_x, sor_y, sor_z), sor_freq, sor_band)
def saveSimulation(self):
self.readBasicConfig()
fname = QtGui.QFileDialog.getSaveFileName(self, 'Save file', 'untitled', '*.fmc')
if fname != '' and fname != None:
f = open(fname, 'w')
f.write(self.simul.json())
f.close()
def plotReceiveSignal(self):
print 'plotting received signal...'
sel = self.ui.treeView_Receive.selectedIndexes()
if(len(sel) == 0 or (not self.f_perf)):
return
row = sel[0].row()
sig = self.simul.task.getReceiveSignal(row)
fvisual.plot_signal(sig)
def showEnvirModel(self):
scene = visual.display(title='Channel Environment Visualization', exit = False)
scene.objects
max_x = readFloat(self.ui.lineEdit_CS_X)
max_y = readFloat(self.ui.lineEdit_CS_Y)
max_z = readFloat(self.ui.lineEdit_CS_Z)
offset = (-max_x / 2, -max_y / 2, -max_z / 2)
th = 0.02
wl = self.simul.wall_thick
visualBrick(Brick(vector_3(wl-th, 0, 0), vector_3(wl, max_y, max_z)), opacity = 0.2, offset = offset)
visualBrick(Brick(vector_3(0, wl-th, 0), vector_3(max_x, wl, max_z)), opacity = 0.2, offset = offset)
visualBrick(Brick(vector_3(0, 0, wl-th), vector_3(max_x, max_y, wl)), opacity = 0.2, offset = offset)
visualBrick(Brick(vector_3(max_x - wl, 0, 0), vector_3(max_x + th - wl, max_y, max_z)), opacity = 0.2, offset = offset)
visualBrick(Brick(vector_3(0, max_y - wl, 0), vector_3(max_x, max_y + th - wl, max_z)), opacity = 0.2, offset = offset)
visualBrick(Brick(vector_3(0, 0, max_z - wl), vector_3(max_x, max_y, max_z + th - wl)), opacity = 0.2, offset = offset)
#visualBrick(Brick(vector_3(0, 0, 0), vector_3(max_x, max_y, max_z)), opacity = 0.3, offset = offset)
for scatt in self.simul.scatterers:
visualBrick(scatt.shape, offset = offset, opacity = 0.9, color = (0.69, 0.09, 0.122), material = visual.materials.plastic)
def showFieldDistribution(self):
pos = readFloat(self.ui.lineEdit_GS_Position)
component = None
if self.ui.radioButton_GSC_Ex.isChecked():
component = lambda yee: yee.E.x
elif self.ui.radioButton_GSC_Ey.isChecked():
component = lambda yee: yee.E.y
elif self.ui.radioButton_GSC_Ez.isChecked():
component = lambda yee: yee.E.z
elif self.ui.radioButton_GSC_Hx.isChecked():
component = lambda yee: yee.H.x
elif self.ui.radioButton_GSC_Hy.isChecked():
component = lambda yee: yee.H.y
elif self.ui.radioButton_GSC_Hz.isChecked():
component = lambda yee: yee.H.z
self.ui.graphicWidget.figure.subplots_adjust(left=0.0, bottom=0.0, top=1.0, right=1.0)
if self.ui.radioButton_GS_PlaneE.isChecked():
fvisual.surf_E_plane(self.simul.task, pos, component, self.ui.graphicWidget.figure)
else:
fvisual.surf_H_plane(self.simul.task, pos, component, self.ui.graphicWidget.figure)
self.ui.graphicWidget.draw()
#self.ui.graphicWidget.figure.show()
'''
def showFieldDistribution(self):
component = lambda yee: yee.E.z
fvisual.surf_E_plane(self.simul.task, 2.5, component, self.ui.graphicWidget.figure)
self.ui.graphicWidget.draw()
print 'Done'
'''
def updateUI(self):
lineEditText(self.ui.lineEdit_TS_Number, self.simul.N)
lineEditText(self.ui.lineEdit_TS_Width, self.simul.dt)
lineEditText(self.ui.lineEdit_CS_X, self.simul.coord_sys.max_x)
lineEditText(self.ui.lineEdit_CS_Y, self.simul.coord_sys.max_y)
lineEditText(self.ui.lineEdit_CS_Z, self.simul.coord_sys.max_z)
lineEditText(self.ui.lineEdit_CS_GridSize, self.simul.coord_sys.resol)
lineEditText(self.ui.lineEdit_SC_BandWidth, self.simul.source.band_width)
lineEditText(self.ui.lineEdit_SC_CentralFreq, self.simul.source.central_freq)
lineEditText(self.ui.lineEdit_SCP_X, self.simul.source.position.x)
lineEditText(self.ui.lineEdit_SCP_Y, self.simul.source.position.y)
lineEditText(self.ui.lineEdit_SCP_Z, self.simul.source.position.z)
self.scatterer_model.setHorizontalHeaderLabels(["Shape", "Min", "Max", "Eps", "Mu", "Sigma"])
self.receive_model.setHorizontalHeaderLabels(["X", "Y", "Z"])
for recv in self.simul.receives:
X = recv.position.x
Y = recv.position.y
Z = recv.position.z
self.receive_model.appendRow([QtGui.QStandardItem(str(X)),
QtGui.QStandardItem(str(Y)),
QtGui.QStandardItem(str(Z))]
)
for scatt in self.simul.scatterers:
X_min = scatt.shape.min_x
X_max = scatt.shape.max_x
Y_min = scatt.shape.min_y
Y_max = scatt.shape.max_y
Z_min = scatt.shape.min_z
Z_max = scatt.shape.max_z
med = scatt.medium
i_shape = QtGui.QStandardItem("Brick")
i_min = QtGui.QStandardItem("%.2f, %.2f, %.2f" % (X_min, Y_min, Z_min))
i_max = QtGui.QStandardItem("%.2f, %.2f, %.2f" % (X_max, Y_max, Z_max))
i_med_eps = QtGui.QStandardItem(str(med.eps))
i_med_mu = QtGui.QStandardItem(str(med.mu))
i_med_sig = QtGui.QStandardItem(str(med.sig))
self.scatterer_model.appendRow([i_shape, i_min, i_max, i_med_eps, i_med_mu, i_med_sig])
def openSimulation(self):
if self.newSimulation() == QtGui.QMessageBox.Cancel:
return False
fname = QtGui.QFileDialog.getOpenFileName(self, 'Open file', '\home', filter = '*.fmc')
self.simul.load(fname)
self.updateUI()
def newSimulation(self):
if self.f_saved == False:
reply = QtGui.QMessageBox.question(self, 'Message',
"Do you want to save your former configurations?", QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No | QtGui.QMessageBox.Cancel, QtGui.QMessageBox.Yes)
if reply == QtGui.QMessageBox.Yes:
self.saveSimulation()
self.simul.clear()
self.clearUI()
return reply
elif reply == QtGui.QMessageBox.Cancel:
return reply
else:
self.simul.clear()
self.clearUI()
return reply
else:
self.simul.clear()
self.clearUI()
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
widget = MainDialog()
widget.show()
sys.exit(app.exec_())