def load_data(self, index):
self.idx_of_cur_file = index
self.caponProcessor = CaponProcessor(self.datatag[index],
self.multiFile)
self.reProcess = True
self.create_main_frame()
self.on_draw()
def load_data(self, index):
self.idx_of_cur_file = index
self.caponProcessor = CaponProcessor(self.datatag[index], self.multiFile)
self.reProcess = True
self.create_main_frame()
self.on_draw()
class AppForm(QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.setWindowTitle('Demo: Capon on Speed')
self.datatag = []
self.datatag.append('motion phantom 16x 3.4 MHz 20dB30dB')
self.multiFile = True
self.create_menu()
self.create_status_bar()
self.idx_of_cur_file = 0
self.load_data(self.idx_of_cur_file)
def load_data(self, index):
self.idx_of_cur_file = index
self.caponProcessor = CaponProcessor(self.datatag[index],
self.multiFile)
self.reProcess = True
self.create_main_frame()
self.on_draw()
def save_plot(self):
file_choices = "PNG (*.png)|*.png"
path = unicode(
QFileDialog.getSaveFileName(self, 'Save file', '', file_choices))
if path:
self.canvas.print_figure(path, dpi=self.dpi)
self.statusBar().showMessage('Saved to %s' % path, 2000)
def dump_frames_and_video(self):
tmp_reprocess = self.reProcess
self.reProcess = True
capon = self.caponProcessor
if not os.path.exists('video'):
os.mkdir('video')
os.chdir('video')
files = []
for i in range(capon.image_idx.minValue, capon.image_idx.maxValue + 1):
capon.image_idx.value = i
self.on_draw()
if capon.save_single_plots.value is 1:
# Save just the portion _inside_ the axis's boundaries
extent1 = self.axes.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
extent2 = self.axes2.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
self.fig.savefig('_tmp%03d_1.png' % i,
bbox_inches=extent1.expanded(1.4, 1.25))
self.fig.savefig('_tmp%03d_2.png' % i,
bbox_inches=extent2.expanded(1.4, 1.25))
else:
fname = '_tmp%03d.png' % i
print 'Saving frame', fname
self.fig.savefig(fname)
files.append(fname)
self.reProcess = tmp_reprocess
self.caponProcessor.image_idx.value = 1
os.chdir('..')
self.make_video()
def make_video(self):
print 'Rendering video'
if os.path.exists('video'):
os.chdir('video')
capon = self.caponProcessor
fps = capon.fps.value
if capon.save_single_plots.value is 1:
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f_plot1.avi' % (
self.datatag[self.idx_of_cur_file].replace(
' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0
**capon.d.value)
cmd = "mencoder mf://_tmp*_1.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s" % (
fps, video_file_name)
os.system(cmd)
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f_plot2.avi' % (
self.datatag[self.idx_of_cur_file].replace(
' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0
**capon.d.value)
cmd = "mencoder mf://_tmp*_2.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s" % (
fps, video_file_name)
os.system(cmd)
else:
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f.avi' % (
self.datatag[self.idx_of_cur_file].replace(
' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0
**capon.d.value)
print 'Making movie animation.mpg - this make take a while'
#cmd = "mencoder mf://_tmp*.png -mf type=png:fps=%d -ovc lavc -lavcopts vcodec=wmv2 -oac copy -o %s"%(fps,video_file_name)
#cmd = "mencoder mf://*.png -mf fps=10:type=jpg -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi"
#cmd = "mencoder mf://_tmp*.png -mf type=png:fps=%d -ovc copy -oac copy -o %s"%(fps,video_file_name)
cmd = "mencoder mf://_tmp*.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s" % (
fps, video_file_name)
#print cmd
os.system(cmd)
else:
print 'No frames found in video folder'
#for file in files:
# os.remove(file)
os.chdir('..')
def save_figs(self):
from datetime import datetime
d = datetime.time(datetime.now())
extent1 = self.axes.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
extent2 = self.axes2.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
extent3 = self.axes3.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
extent4 = self.axes4.get_window_extent().transformed(
self.fig.dpi_scale_trans.inverted())
self.fig.savefig('DAS_%d%d%d%d' %
(d.hour, d.minute, d.second, d.microsecond),
bbox_inches=extent1.expanded(1.4, 1.25))
self.fig.savefig('Capon_%d%d%d%d' %
(d.hour, d.minute, d.second, d.microsecond),
bbox_inches=extent2.expanded(1.4, 1.25))
self.fig.savefig('BeamPattern_%d%d%d%d' %
(d.hour, d.minute, d.second, d.microsecond),
bbox_inches=extent3.expanded(1.4, 1.25))
self.fig.savefig('Profiles_%d%d%d%d' %
(d.hour, d.minute, d.second, d.microsecond),
bbox_inches=extent4.expanded(1.4, 1.25))
def on_about(self):
msg = """ A demo of using PyQt with matplotlib:
* Use the matplotlib navigation bar
* Add values to the text box and press Enter (or click "Draw")
* Show or hide the grid
* Drag the slider to modify the width of the bars
* Save the plot to a file using the File menu
* Click on a bar to receive an informative message
"""
QMessageBox.about(self, "About the demo", msg.strip())
def on_pick(self, event):
# The event received here is of the type
# matplotlib.backend_bases.PickEvent
#
# It carries lots of information, of which we're using
# only a small amount here.
#
#msg = "You've clicked on %s with coords:\n (%d, %d)" % (event.button, event.xdata, event.ydata)
#QMessageBox.information(self, "Click!", msg)
self.caponProcessor.profilePos[0] = event.xdata
self.caponProcessor.profilePos[1] = event.ydata
print "Coordinates: (%d, %d)", (event.xdata, event.ydata)
self.reProcess = False
self.on_draw()
def on_draw(self):
""" Redraws the figure
"""
# clear the axes and redraw the plots
self.axes.clear()
self.axes2.clear()
self.axes3.clear()
self.axes4.clear()
#self.axes.grid(self.grid_cb.isChecked())
if self.reProcess:
self.caponProcessor.processData()
self.caponProcessor.plot(self.axes, self.axes2, self.axes3, self.axes4)
self.canvas.draw() # TODO: this is slow, draw only changed components
def create_main_frame(self):
self.main_frame = QWidget()
# Create the mpl Figure and FigCanvas objects.
# 5x4 inches, 100 dots-per-inch
#
self.dpi = 100
#self.fig = Figure((20.0, 15.0), dpi=self.dpi) # 1080*600
self.fig = Figure((6.0, 12.0), dpi=self.dpi)
self.canvas = FigureCanvas(self.fig)
self.canvas.setParent(self.main_frame)
# Since we have only one plot, we can use add_axes
# instead of add_subplot, but then the subplot
# configuration tool in the navigation toolbar wouldn't
# work.
#
import matplotlib.gridspec as gridspec
grid = (11, 13)
halfGridX = grid[0] / 2
halfGridY = grid[1] / 2
gs = gridspec.GridSpec(grid[0], grid[1])
self.axes = self.fig.add_subplot(gs[:halfGridX + 1, :halfGridY],
aspect='1')
self.axes2 = self.fig.add_subplot(gs[:halfGridX + 1, halfGridY + 1:],
aspect='1')
self.axes3 = self.fig.add_subplot(gs[halfGridX +
2:, :halfGridY]) #, aspect='0.4')
self.axes4 = self.fig.add_subplot(gs[halfGridX + 2:,
halfGridY + 1:]) #, aspect='0.4')
#self.axes = self.fig.add_subplot(221, aspect='1')
#self.axes2 = self.fig.add_subplot(222, aspect='1')
#self.axes3 = self.fig.add_subplot(223)
#self.axes4 = self.fig.add_subplot(224)
#self.axes.invert_yaxis()
#self.axes2.invert_yaxis()
#self.fig.tight_layout(pad=2, h_pad=2, w_pad=2)
# Bind the 'pick' event for clicking on one of the bars
#
self.canvas.mpl_connect('button_press_event', self.on_pick)
# Create the navigation toolbar, tied to the canvas
#
self.mpl_toolbar = NavigationToolbar(self.canvas, self.main_frame)
# Other GUI controls
self.video_button = QPushButton("&Dump frames and video")
self.connect(self.video_button, SIGNAL('clicked()'),
self.dump_frames_and_video)
self.video_button2 = QPushButton("&Make video")
self.connect(self.video_button2, SIGNAL('clicked()'), self.make_video)
self.save_figs_button = QPushButton("&Save Individual Figures")
self.connect(self.save_figs_button, SIGNAL('clicked()'),
self.save_figs)
self.file_list = QComboBox()
self.file_list.addItems(self.datatag)
self.file_list.setCurrentIndex(self.idx_of_cur_file)
self.connect(self.file_list, SIGNAL('currentIndexChanged(int)'),
self.load_data)
#
self.parameterSliders = SlidersGroup('Parameters', self.caponProcessor,
self)
#
# Layout with box sizers
#
vbox = QVBoxLayout()
for w in [
self.parameterSliders, self.video_button, self.video_button2,
self.file_list, self.save_figs_button
]:
vbox.addWidget(w)
vbox.setAlignment(w, Qt.AlignRight)
hbox = QHBoxLayout()
vbox2 = QVBoxLayout()
vbox2.addWidget(self.canvas)
vbox2.addWidget(self.mpl_toolbar)
hbox.addLayout(vbox2)
hbox.addLayout(vbox)
self.main_frame.setLayout(hbox)
self.setCentralWidget(self.main_frame)
def create_status_bar(self):
self.status_text = QLabel("This is a demo of capon beamforming")
self.statusBar().addWidget(self.status_text, 1)
def create_menu(self):
self.file_menu = self.menuBar().addMenu("&File")
load_file_action = self.create_action("&Save plot",
shortcut="Ctrl+S",
slot=self.save_plot,
tip="Save the plot")
quit_action = self.create_action("&Quit",
slot=self.close,
shortcut="Ctrl+Q",
tip="Close the application")
self.add_actions(self.file_menu, (load_file_action, None, quit_action))
self.help_menu = self.menuBar().addMenu("&Help")
about_action = self.create_action("&About",
shortcut='F1',
slot=self.on_about,
tip='About the demo')
self.add_actions(self.help_menu, (about_action, ))
def add_actions(self, target, actions):
for action in actions:
if action is None:
target.addSeparator()
else:
target.addAction(action)
def create_action(self,
text,
slot=None,
shortcut=None,
icon=None,
tip=None,
checkable=False,
signal="triggered()"):
action = QAction(text, self)
if icon is not None:
action.setIcon(QIcon(":/%s.png" % icon))
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if slot is not None:
self.connect(action, SIGNAL(signal), slot)
if checkable:
action.setCheckable(True)
return action
class AppForm(QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.setWindowTitle('Demo: Capon on Speed')
self.datatag = []
self.datatag.append('motion phantom 16x 3.4 MHz 20dB30dB')
self.multiFile = True
self.create_menu()
self.create_status_bar()
self.idx_of_cur_file = 0
self.load_data(self.idx_of_cur_file)
def load_data(self, index):
self.idx_of_cur_file = index
self.caponProcessor = CaponProcessor(self.datatag[index], self.multiFile)
self.reProcess = True
self.create_main_frame()
self.on_draw()
def save_plot(self):
file_choices = "PNG (*.png)|*.png"
path = unicode(QFileDialog.getSaveFileName(self,
'Save file', '',
file_choices))
if path:
self.canvas.print_figure(path, dpi=self.dpi)
self.statusBar().showMessage('Saved to %s' % path, 2000)
def dump_frames_and_video(self):
tmp_reprocess = self.reProcess
self.reProcess = True
capon = self.caponProcessor
if not os.path.exists('video'):
os.mkdir('video')
os.chdir('video')
files = []
for i in range(capon.image_idx.minValue, capon.image_idx.maxValue+1):
capon.image_idx.value = i
self.on_draw()
if capon.save_single_plots.value is 1:
# Save just the portion _inside_ the axis's boundaries
extent1 = self.axes.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
extent2 = self.axes2.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
self.fig.savefig('_tmp%03d_1.png'%i, bbox_inches=extent1.expanded(1.4, 1.25))
self.fig.savefig('_tmp%03d_2.png'%i, bbox_inches=extent2.expanded(1.4, 1.25))
else:
fname = '_tmp%03d.png'%i
print 'Saving frame', fname
self.fig.savefig(fname)
files.append(fname)
self.reProcess = tmp_reprocess
self.caponProcessor.image_idx.value = 1
os.chdir('..')
self.make_video()
def make_video(self):
print 'Rendering video'
if os.path.exists('video'):
os.chdir('video')
capon = self.caponProcessor
fps = capon.fps.value
if capon.save_single_plots.value is 1:
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f_plot1.avi'%(self.datatag[self.idx_of_cur_file].replace(' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0**capon.d.value)
cmd = "mencoder mf://_tmp*_1.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s"%(fps,video_file_name)
os.system(cmd)
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f_plot2.avi'%(self.datatag[self.idx_of_cur_file].replace(' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0**capon.d.value)
cmd = "mencoder mf://_tmp*_2.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s"%(fps,video_file_name)
os.system(cmd)
else:
video_file_name = '%s_M=%d_L=%d_K=%d_d=%f.avi'%(self.datatag[self.idx_of_cur_file].replace(' ', '_'), capon.Nm, capon.L.value, capon.K.value, 10.0**capon.d.value)
print 'Making movie animation.mpg - this make take a while'
#cmd = "mencoder mf://_tmp*.png -mf type=png:fps=%d -ovc lavc -lavcopts vcodec=wmv2 -oac copy -o %s"%(fps,video_file_name)
#cmd = "mencoder mf://*.png -mf fps=10:type=jpg -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi"
#cmd = "mencoder mf://_tmp*.png -mf type=png:fps=%d -ovc copy -oac copy -o %s"%(fps,video_file_name)
cmd = "mencoder mf://_tmp*.png -mf fps=%d -ovc lavc -lavcopts vcodec=mjpeg -o %s"%(fps,video_file_name)
#print cmd
os.system(cmd)
else:
print 'No frames found in video folder'
#for file in files:
# os.remove(file)
os.chdir('..')
def save_figs(self):
from datetime import datetime
d = datetime.time(datetime.now())
extent1 = self.axes.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
extent2 = self.axes2.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
extent3 = self.axes3.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
extent4 = self.axes4.get_window_extent().transformed(self.fig.dpi_scale_trans.inverted())
self.fig.savefig('DAS_%d%d%d%d'%(d.hour, d.minute, d.second, d.microsecond), bbox_inches=extent1.expanded(1.4, 1.25))
self.fig.savefig('Capon_%d%d%d%d'%(d.hour, d.minute, d.second, d.microsecond), bbox_inches=extent2.expanded(1.4, 1.25))
self.fig.savefig('BeamPattern_%d%d%d%d'%(d.hour, d.minute, d.second, d.microsecond), bbox_inches=extent3.expanded(1.4, 1.25))
self.fig.savefig('Profiles_%d%d%d%d'%(d.hour, d.minute, d.second, d.microsecond), bbox_inches=extent4.expanded(1.4, 1.25))
def on_about(self):
msg = """ A demo of using PyQt with matplotlib:
* Use the matplotlib navigation bar
* Add values to the text box and press Enter (or click "Draw")
* Show or hide the grid
* Drag the slider to modify the width of the bars
* Save the plot to a file using the File menu
* Click on a bar to receive an informative message
"""
QMessageBox.about(self, "About the demo", msg.strip())
def on_pick(self, event):
# The event received here is of the type
# matplotlib.backend_bases.PickEvent
#
# It carries lots of information, of which we're using
# only a small amount here.
#
#msg = "You've clicked on %s with coords:\n (%d, %d)" % (event.button, event.xdata, event.ydata)
#QMessageBox.information(self, "Click!", msg)
self.caponProcessor.profilePos[0] = event.xdata
self.caponProcessor.profilePos[1] = event.ydata
print "Coordinates: (%d, %d)", (event.xdata, event.ydata)
self.reProcess = False
self.on_draw()
def on_draw(self):
""" Redraws the figure
"""
# clear the axes and redraw the plots
self.axes.clear()
self.axes2.clear()
self.axes3.clear()
self.axes4.clear()
#self.axes.grid(self.grid_cb.isChecked())
if self.reProcess:
self.caponProcessor.processData()
self.caponProcessor.plot(self.axes, self.axes2, self.axes3, self.axes4)
self.canvas.draw() # TODO: this is slow, draw only changed components
def create_main_frame(self):
self.main_frame = QWidget()
# Create the mpl Figure and FigCanvas objects.
# 5x4 inches, 100 dots-per-inch
#
self.dpi = 100
#self.fig = Figure((20.0, 15.0), dpi=self.dpi) # 1080*600
self.fig = Figure((6.0, 12.0), dpi=self.dpi)
self.canvas = FigureCanvas(self.fig)
self.canvas.setParent(self.main_frame)
# Since we have only one plot, we can use add_axes
# instead of add_subplot, but then the subplot
# configuration tool in the navigation toolbar wouldn't
# work.
#
import matplotlib.gridspec as gridspec
grid = (11,13)
halfGridX = grid[0]/2
halfGridY = grid[1]/2
gs = gridspec.GridSpec(grid[0], grid[1])
self.axes = self.fig.add_subplot(gs[:halfGridX+1,:halfGridY], aspect='1')
self.axes2 = self.fig.add_subplot(gs[:halfGridX+1,halfGridY+1:], aspect='1')
self.axes3 = self.fig.add_subplot(gs[halfGridX+2:,:halfGridY])#, aspect='0.4')
self.axes4 = self.fig.add_subplot(gs[halfGridX+2:,halfGridY+1:])#, aspect='0.4')
#self.axes = self.fig.add_subplot(221, aspect='1')
#self.axes2 = self.fig.add_subplot(222, aspect='1')
#self.axes3 = self.fig.add_subplot(223)
#self.axes4 = self.fig.add_subplot(224)
#self.axes.invert_yaxis()
#self.axes2.invert_yaxis()
#self.fig.tight_layout(pad=2, h_pad=2, w_pad=2)
# Bind the 'pick' event for clicking on one of the bars
#
self.canvas.mpl_connect('button_press_event', self.on_pick)
# Create the navigation toolbar, tied to the canvas
#
self.mpl_toolbar = NavigationToolbar(self.canvas, self.main_frame)
# Other GUI controls
self.video_button = QPushButton("&Dump frames and video")
self.connect(self.video_button, SIGNAL('clicked()'), self.dump_frames_and_video)
self.video_button2 = QPushButton("&Make video")
self.connect(self.video_button2, SIGNAL('clicked()'), self.make_video)
self.save_figs_button = QPushButton("&Save Individual Figures")
self.connect(self.save_figs_button, SIGNAL('clicked()'), self.save_figs)
self.file_list = QComboBox()
self.file_list.addItems(self.datatag)
self.file_list.setCurrentIndex(self.idx_of_cur_file)
self.connect(self.file_list, SIGNAL('currentIndexChanged(int)'), self.load_data)
#
self.parameterSliders = SlidersGroup('Parameters', self.caponProcessor, self)
#
# Layout with box sizers
#
vbox = QVBoxLayout()
for w in [ self.parameterSliders, self.video_button, self.video_button2, self.file_list, self.save_figs_button]:
vbox.addWidget(w)
vbox.setAlignment(w, Qt.AlignRight)
hbox = QHBoxLayout()
vbox2 = QVBoxLayout()
vbox2.addWidget(self.canvas)
vbox2.addWidget(self.mpl_toolbar)
hbox.addLayout(vbox2)
hbox.addLayout(vbox)
self.main_frame.setLayout(hbox)
self.setCentralWidget(self.main_frame)
def create_status_bar(self):
self.status_text = QLabel("This is a demo of capon beamforming")
self.statusBar().addWidget(self.status_text, 1)
def create_menu(self):
self.file_menu = self.menuBar().addMenu("&File")
load_file_action = self.create_action("&Save plot",
shortcut="Ctrl+S", slot=self.save_plot,
tip="Save the plot")
quit_action = self.create_action("&Quit", slot=self.close,
shortcut="Ctrl+Q", tip="Close the application")
self.add_actions(self.file_menu,
(load_file_action, None, quit_action))
self.help_menu = self.menuBar().addMenu("&Help")
about_action = self.create_action("&About",
shortcut='F1', slot=self.on_about,
tip='About the demo')
self.add_actions(self.help_menu, (about_action,))
def add_actions(self, target, actions):
for action in actions:
if action is None:
target.addSeparator()
else:
target.addAction(action)
def create_action(self, text, slot=None, shortcut=None,
icon=None, tip=None, checkable=False,
signal="triggered()"):
action = QAction(text, self)
if icon is not None:
action.setIcon(QIcon(":/%s.png" % icon))
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if slot is not None:
self.connect(action, SIGNAL(signal), slot)
if checkable:
action.setCheckable(True)
return action
