pylot/pylot/core/util/widgets.py

1047 lines
35 KiB
Python

# -*- coding: utf-8 -*-
"""
Created on Wed Mar 19 11:27:35 2014
@author: sebastianw
"""
import datetime
import numpy as np
import matplotlib
matplotlib.use('Qt4Agg')
matplotlib.rcParams['backend.qt4'] = 'PySide'
from matplotlib.figure import Figure
from matplotlib.backends.backend_qt4agg import FigureCanvas
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg
from matplotlib.widgets import MultiCursor
from PySide.QtGui import QAction, QApplication, QComboBox, QDateTimeEdit, \
QDialog, QDialogButtonBox, QDoubleSpinBox, QGroupBox, QGridLayout, \
QIcon, QKeySequence, QLabel, QLineEdit, QMessageBox, QPixmap, QSpinBox, \
QTabWidget, QToolBar, QVBoxLayout, QWidget
from PySide.QtCore import QSettings, Qt, QUrl, Signal, Slot
from PySide.QtWebKit import QWebView
from obspy import Stream, UTCDateTime
from pylot.core.read import FilterOptions
from pylot.core.pick.utils import getSNR, earllatepicker, getnoisewin,\
getResolutionWindow
from pylot.core.util.defaults import OUTPUTFORMATS, FILTERDEFAULTS
from pylot.core.util import prepTimeAxis, getGlobalTimes
def createAction(parent, text, slot=None, shortcut=None, icon=None,
tip=None, checkable=False):
"""
:rtype : ~PySide.QtGui.QAction
"""
action = QAction(text, parent)
if icon is not None:
action.setIcon(icon)
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
if slot is not None:
action.triggered.connect(slot)
if checkable:
action.setCheckable(True)
return action
class MPLWidget(FigureCanvas):
def __init__(self, parent=None, xlabel='x', ylabel='y', title='Title'):
self._parent = None
self.setParent(parent)
self.figure = Figure()
self.figure.set_facecolor((.92, .92, .92))
# attribute plotdict is an dictionary connecting position and a name
self.plotdict = dict()
# create axes
self.axes = self.figure.add_subplot(111)
# clear axes each time plot is called
self.axes.hold(True)
# initialize super class
FigureCanvas.__init__(self, self.figure)
# add an cursor for station selection
self.multiCursor = MultiCursor(self.figure.canvas, (self.axes,),
horizOn=True,
color='m', lw=1)
# update labels of the entire widget
self.updateWidget(xlabel, ylabel, title)
def getPlotDict(self):
return self.plotdict
def setPlotDict(self, key, value):
self.plotdict[key] = value
def clearPlotDict(self):
self.plotdict = dict()
def getParent(self):
return self._parent
def setParent(self, parent):
self._parent = parent
def plotWFData(self, wfdata, title=None, zoomx=None, zoomy=None,
noiselevel=None):
self.getAxes().cla()
self.clearPlotDict()
wfstart, wfend = getGlobalTimes(wfdata)
for n, trace in enumerate(wfdata):
channel = trace.stats.channel
station = trace.stats.station
msg = 'plotting %s channel of station %s' % (channel, station)
print(msg)
stime = trace.stats.starttime - wfstart
time_ax = prepTimeAxis(stime, trace)
trace.normalize(np.max(np.abs(trace.data)) * 2)
self.getAxes().plot(time_ax, trace.data + n, 'k')
if noiselevel is not None:
self.getAxes().plot([time_ax[0], time_ax[-1]],
[noiselevel[0], noiselevel[0]], '--k')
self.getAxes().plot([time_ax[0], time_ax[-1]],
[noiselevel[1], noiselevel[1]], '--k')
xlabel = 'seconds since {0}'.format(wfstart)
ylabel = ''
self.updateWidget(xlabel, ylabel, title)
self.setPlotDict(n, (station, channel))
self.setXLims([0, wfend - wfstart])
self.setYLims([-0.5, n + 0.5])
if zoomx is not None:
self.setXLims(zoomx)
if zoomy is not None:
self.setYLims(zoomy)
self.draw()
def getAxes(self):
return self.axes
def getXLims(self):
return self.getAxes().get_xlim()
def getYLims(self):
return self.getAxes().get_ylim()
def setXLims(self, lims):
self.getAxes().set_xlim(lims)
def setYLims(self, lims):
self.getAxes().set_ylim(lims)
def setYTickLabels(self, pos, labels):
self.getAxes().set_yticks(pos)
self.getAxes().set_yticklabels(labels)
self.draw()
def updateXLabel(self, text):
self.getAxes().set_xlabel(text)
self.draw()
def updateYLabel(self, text):
self.getAxes().set_ylabel(text)
self.draw()
def updateTitle(self, text):
self.getAxes().set_title(text)
self.draw()
def updateWidget(self, xlabel, ylabel, title):
self.updateXLabel(xlabel)
self.updateYLabel(ylabel)
self.updateTitle(title)
def insertLabel(self, pos, text):
pos = pos / max(self.getAxes().ylim)
axann = self.getAxes().annotate(text, xy=(.03, pos),
xycoords='axes fraction')
axann.set_bbox(dict(facecolor='lightgrey', alpha=.6))
class PickDlg(QDialog):
def __init__(self, parent=None, data=None, station=None, rotate=False):
super(PickDlg, self).__init__(parent)
# initialize attributes
self.station = station
self.rotate = rotate
self.components = 'ZNE'
self.picks = {}
self.filteroptions = FILTERDEFAULTS
# initialize panning attributes
self.press = None
self.xpress = None
self.ypress = None
self.cur_xlim = None
self.cur_ylim = None
# set attribute holding data
if data is None:
try:
data = parent.getData().getWFData().copy()
self.data = data.select(station=station)
except AttributeError, e:
errmsg = 'You either have to put in a data or an appropriate ' \
'parent (PyLoT MainWindow) object: {0}'.format(e)
raise Exception(errmsg)
else:
self.data = data
# initialize plotting widget
self.multicompfig = MPLWidget(self)
# setup ui
self.setupUi()
# plot data
self.getPlotWidget().plotWFData(wfdata=self.getWFData(),
title=self.getStation())
xlims = self.getPlotWidget().getXLims()
ylims = self.getPlotWidget().getYLims()
self.limits = {'x': xlims,
'y': ylims}
self.updateCurrentLimits()
# set plot labels
self.setPlotLabels()
# connect button press event to an action
self.cidpress = self.connectPressEvent(self.panPress)
self.cidmotion = self.connectMotionEvent(self.panMotion)
self.cidrelease = self.connectReleaseEvent(self.panRelease)
self.cidscroll = self.connectScrollEvent(self.scrollZoom)
def setupUi(self):
# create matplotlib toolbar to inherit functionality
self.figToolBar = NavigationToolbar2QTAgg(self.getPlotWidget(), self)
self.figToolBar.hide()
# create icons
filter_icon = QIcon()
filter_icon.addPixmap(QPixmap(':/icons/filter.png'))
zoom_icon = QIcon()
zoom_icon.addPixmap(QPixmap(':/icons/zoom.png'))
# create actions
self.filterAction = createAction(parent=self, text='Filter',
slot=self.filterWFData,
icon=filter_icon,
tip='Toggle filtered/original'
' waveforms',
checkable=True)
self.selectPhase = QComboBox()
phaseitems = [None] + FILTERDEFAULTS.keys()
self.selectPhase.addItems(phaseitems)
self.zoomAction = createAction(parent=self, text='Zoom',
slot=self.zoom, icon=zoom_icon,
tip='Zoom into waveform',
checkable=True)
# layout the outermost appearance of the Pick Dialog
_outerlayout = QVBoxLayout()
_dialtoolbar = QToolBar()
# fill toolbar with content
_dialtoolbar.addAction(self.filterAction)
_dialtoolbar.addWidget(self.selectPhase)
_dialtoolbar.addAction(self.zoomAction)
_innerlayout = QVBoxLayout()
_innerlayout.addWidget(self.multicompfig)
_buttonbox = QDialogButtonBox(QDialogButtonBox.Apply |
QDialogButtonBox.Ok |
QDialogButtonBox.Cancel)
_innerlayout.addWidget(_buttonbox)
_outerlayout.addWidget(_dialtoolbar)
_outerlayout.addLayout(_innerlayout)
self.selectPhase.currentIndexChanged.connect(self.verifyPhaseSelection)
_buttonbox.accepted.connect(self.accept)
_buttonbox.rejected.connect(self.reject)
_buttonbox.button(QDialogButtonBox.Apply).clicked.connect(self.apply)
self.setLayout(_outerlayout)
def disconnectPressEvent(self):
widget = self.getPlotWidget()
widget.mpl_disconnect(self.cidpress)
self.cidpress = None
def connectPressEvent(self, slot):
widget = self.getPlotWidget()
return widget.mpl_connect('button_press_event', slot)
def disconnectScrollEvent(self):
widget = self.getPlotWidget()
widget.mpl_disconnect(self.cidscroll)
self.cidscroll = None
def connectScrollEvent(self, slot):
widget = self.getPlotWidget()
return widget.mpl_connect('scroll_event', slot)
def disconnectMotionEvent(self):
widget = self.getPlotWidget()
widget.mpl_disconnect(self.cidmotion)
self.cidmotion = None
def connectMotionEvent(self, slot):
widget = self.getPlotWidget()
return widget.mpl_connect('motion_notify_event', slot)
def disconnectReleaseEvent(self):
widget = self.getPlotWidget()
widget.mpl_disconnect(self.cidrelease)
self.cidrelease = None
def connectReleaseEvent(self, slot):
widget = self.getPlotWidget()
return widget.mpl_connect('button_release_event', slot)
def verifyPhaseSelection(self):
phase = self.selectPhase.currentText()
self.updateCurrentLimits()
if phase:
self.disconnectReleaseEvent()
self.disconnectScrollEvent()
self.disconnectMotionEvent()
self.disconnectPressEvent()
self.cidpress = self.connectPressEvent(self.setIniPick)
self.filterWFData()
else:
self.disconnectPressEvent()
self.cidpress = self.connectPressEvent(self.panPress)
self.cidmotion = self.connectMotionEvent(self.panMotion)
self.cidrelease = self.connectReleaseEvent(self.panRelease)
self.cidscroll = self.connectScrollEvent(self.scrollZoom)
def getComponents(self):
return self.components
def getStation(self):
return self.station
def getPlotWidget(self):
return self.multicompfig
def getChannelID(self, key):
return self.getPlotWidget().getPlotDict()[int(key)][1]
def getFilterOptions(self, phase):
options = self.filteroptions[phase]
return FilterOptions(**options)
def getXLims(self):
return self.cur_xlim
def getYLims(self):
return self.cur_ylim
def setXLims(self, limits):
self.cur_xlim = limits
def setYLims(self, limits):
self.cur_ylim = limits
def getGlobalLimits(self, axis):
return self.limits[axis]
def updateCurrentLimits(self):
self.setXLims(self.getPlotWidget().getXLims())
self.setYLims(self.getPlotWidget().getYLims())
def getWFData(self):
return self.data
def selectWFData(self, channel):
component = channel[-1].upper()
wfdata = Stream()
def selectTrace(tr, components):
if tr.stats.channel[-1].upper() in components:
return tr
if component == 'E' or component == 'N':
for trace in self.getWFData():
trace = selectTrace(trace, 'NE')
if trace:
wfdata.append(trace)
elif component == 'Z':
wfdata = self.getWFData().select(component=component)
return wfdata
def getPicks(self):
return self.picks
def setIniPick(self, gui_event):
if self.selectPhase.currentText().upper().startswith('P'):
self.setIniPickP(gui_event)
elif self.selectPhase.currentText().upper().startswith('S'):
self.setIniPickS(gui_event)
def setIniPickP(self, gui_event):
trace_number = round(gui_event.ydata)
channel = self.getChannelID(trace_number)
wfdata = self.selectWFData(channel)
self.disconnectScrollEvent()
self.disconnectPressEvent()
self.disconnectReleaseEvent()
self.disconnectMotionEvent()
self.cidpress = self.connectPressEvent(self.setPick)
ini_pick = gui_event.xdata
settings = QSettings()
nfac = settings.value('picking/nfac', 1.5)
noise_win = settings.value('picking/noise_win', 5.)
gap_win = settings.value('picking/gap_win', .5)
signal_win = settings.value('picking/signal_win', 1.5)
result = getSNR(wfdata, (noise_win, gap_win, signal_win), ini_pick)
snr = result[0]
noiselevel = result[2] * nfac
x_res = getResolutionWindow(snr)
# demean data before plotting
data = self.getWFData().copy()
starttime = getGlobalTimes(data)[0]
for tr in data:
stime = tr.stats.starttime - starttime
t = prepTimeAxis(stime, tr)
inoise = getnoisewin(t, ini_pick, noise_win, gap_win)
tr.data -= tr.data[inoise].mean()
self.setXLims([ini_pick - x_res, ini_pick + x_res])
self.setYLims(np.array([-noiselevel * 2.5, noiselevel * 2.5]) +
trace_number)
self.getPlotWidget().plotWFData(wfdata=data,
title=self.getStation() +
' picking mode',
zoomx=self.getXLims(),
zoomy=self.getYLims(),
noiselevel=(trace_number + noiselevel,
trace_number - noiselevel))
self.zoomAction.setEnabled(False)
# reset labels
self.setPlotLabels()
self.draw()
def setIniPickS(self, gui_event):
pass
def setPick(self, gui_event):
# get axes limits
self.updateCurrentLimits()
# setting pick
pick = gui_event.xdata # get pick time relative to the traces timeaxis not to the global
channel = self.getChannelID(round(gui_event.ydata))
wfdata = self.getWFData().copy().select(channel=channel)
# get earliest and latest possible pick and symmetric pick error
[epp, lpp, spe] = earllatepicker(wfdata, 1.5, (5., .5, 2.), pick)
# get name of phase actually picked
phase = self.selectPhase.currentText()
# save pick times for actual phase
phasepicks = {'epp': epp, 'lpp': lpp, 'mpp': pick, 'spe': spe}
try:
oldphasepick = self.picks[phase]
except KeyError:
self.picks[phase] = phasepicks
else:
self.picks[phase] = phasepicks
oepp = oldphasepick['epp']
ompp = oldphasepick['mpp']
olpp = oldphasepick['lpp']
msg = """Warning old phase information for phase {phase} has been
altered.\n
New phase times:\n
earliest possible pick: {epp}\n
most probable pick: {mpp}\n
latest possible pick: {lpp}\n
\n
Old phase times (overwritten):\n
earliest possible pick: {oepp}\n
most probable pick: {ompp}\n
latest possible pick: {olpp}\n""".format(phase=phase,
epp=epp,
mpp=pick,
lpp=lpp,
oepp=oepp,
ompp=ompp,
olpp=olpp)
self.getPlotWidget().plotWFData(wfdata=self.getWFData(),
title=self.getStation())
self.drawPicks(phase)
self.disconnectPressEvent()
self.zoomAction.setEnabled(True)
self.selectPhase.setCurrentIndex(-1)
self.setPlotLabels()
def drawPicks(self, phase=None):
# plotting picks
ax = self.getPlotWidget().axes
ylims = self.getGlobalLimits('y')
phase_col = {'P': ('c', 'c--', 'b-'),
'S': ('m', 'm--', 'r-')}
if self.getPicks():
if phase is not None:
picks = self.getPicks()[phase]
colors = phase_col[phase[0].upper()]
else:
for phase in self.getPicks():
self.drawPicks(phase)
return
else:
return
mpp = picks['mpp']
epp = picks['epp']
lpp = picks['lpp']
spe = picks['spe']
ax.fill_between([epp, lpp], ylims[0], ylims[1],
alpha=.5, color=colors[0])
ax.plot([mpp - spe, mpp - spe], ylims, colors[1],
[mpp, mpp], ylims, colors[2],
[mpp + spe, mpp + spe], ylims, colors[1])
def panPress(self, gui_event):
ax = self.getPlotWidget().axes
if gui_event.inaxes != ax: return
self.cur_xlim = ax.get_xlim()
self.cur_ylim = ax.get_ylim()
self.press = gui_event.xdata, gui_event.ydata
self.xpress, self.ypress = self.press
def panRelease(self, gui_event):
ax = self.getPlotWidget().axes
self.press = None
ax.figure.canvas.draw()
def panMotion(self, gui_event):
if self.press is None: return
ax = self.getPlotWidget().axes
if gui_event.inaxes != ax: return
dx = gui_event.xdata - self.xpress
dy = gui_event.ydata - self.ypress
self.cur_xlim -= dx
self.cur_ylim -= dy
ax.set_xlim(self.cur_xlim)
ax.set_ylim(self.cur_ylim)
ax.figure.canvas.draw()
def filterWFData(self):
self.updateCurrentLimits()
data = self.getWFData().copy()
old_title = self.getPlotWidget().getAxes().get_title()
title = None
phase = self.selectPhase.currentText()
if self.filterAction.isChecked():
if phase:
filtoptions = self.getFilterOptions(phase).parseFilterOptions()
else:
filtoptions = FilterOptionsDialog.getFilterObject()
filtoptions = filtoptions.parseFilterOptions()
if filtoptions is not None:
data.filter(**filtoptions)
if old_title.endswith(')'):
title = old_title[:-1] + ', filtered)'
else:
title = old_title + ' (filtered)'
else:
if old_title.endswith(' (filtered)'):
title = old_title.replace(' (filtered)', '')
if title is None:
title = old_title
self.getPlotWidget().plotWFData(wfdata=data, title=title,
zoomx=self.getXLims(),
zoomy=self.getYLims())
self.setPlotLabels()
self.draw()
def setPlotLabels(self):
# get channel labels
pos = self.getPlotWidget().getPlotDict().keys()
labels = [self.getPlotWidget().getPlotDict()[key][1] for key in pos]
# set channel labels
self.getPlotWidget().setYTickLabels(pos, labels)
self.getPlotWidget().setXLims(self.getXLims())
self.getPlotWidget().setYLims(self.getYLims())
def zoom(self):
if self.zoomAction.isChecked():
self.disconnectPressEvent()
self.disconnectMotionEvent()
self.disconnectReleaseEvent()
self.disconnectScrollEvent()
self.figToolBar.zoom()
else:
self.figToolBar.zoom()
self.cidpress = self.connectPressEvent(self.panPress)
self.cidmotion = self.connectMotionEvent(self.panMotion)
self.cidrelease = self.connectReleaseEvent(self.panRelease)
self.cidscroll = self.connectScrollEvent(self.scrollZoom)
def scrollZoom(self, gui_event, factor=2.):
self.updateCurrentLimits()
if gui_event.button == 'up':
scale_factor = 1 / factor
elif gui_event.button == 'down':
# deal with zoom out
scale_factor = factor
else:
# deal with something that should never happen
scale_factor = 1
print gui_event.button
new_xlim = gui_event.xdata - \
scale_factor * (gui_event.xdata - self.getXLims())
new_ylim = gui_event.ydata - \
scale_factor * (gui_event.ydata - self.getYLims())
new_xlim.sort()
global_x = self.getGlobalLimits('x')
global_y = self.getGlobalLimits('y')
new_xlim[0] = max(new_xlim[0], global_x[0])
new_xlim[1] = min(new_xlim[1], global_x[1])
new_ylim.sort()
new_ylim[0] = max(new_ylim[0], global_y[0])
new_ylim[1] = min(new_ylim[1], global_y[1])
self.getPlotWidget().setXLims(new_xlim)
self.getPlotWidget().setYLims(new_ylim)
self.draw()
def draw(self):
self.getPlotWidget().draw()
def apply(self):
picks = self.getPicks()
for pick in picks:
print pick, picks[pick]
def accept(self):
self.apply()
QDialog.accept(self)
class PropertiesDlg(QDialog):
def __init__(self, parent=None):
super(PropertiesDlg, self).__init__(parent)
appName = QApplication.applicationName()
self.setWindowTitle("{0} Properties".format(appName))
self.tabWidget = QTabWidget()
self.tabWidget.addTab(InputsTab(self), "Inputs")
self.tabWidget.addTab(OutputsTab(self), "Outputs")
self.tabWidget.addTab(PhasesTab(self), "Phases")
self.tabWidget.addTab(GraphicsTab(self), "Graphics")
self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok |
QDialogButtonBox.Apply |
QDialogButtonBox.Close)
layout = QVBoxLayout()
layout.addWidget(self.tabWidget)
layout.addWidget(self.buttonBox)
self.setLayout(layout)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.buttonBox.button(QDialogButtonBox.Apply).clicked.connect(
self.apply)
def accept(self, *args, **kwargs):
self.apply()
QDialog.accept(self)
def apply(self):
for widint in range(self.tabWidget.count()):
curwid = self.tabWidget.widget(widint)
values = curwid.getValues()
if values is not None:
self.setValues(values)
def setValues(self, tabValues):
settings = QSettings()
for setting, value in tabValues.iteritems():
settings.setValue(setting, value)
settings.sync()
class PropTab(QWidget):
def __init__(self, parent=None):
super(PropTab, self).__init__(parent)
def getValues(self):
return None
class InputsTab(PropTab):
def __init__(self, parent):
super(InputsTab, self).__init__(parent)
settings = QSettings()
fulluser = settings.value("user/FullName")
login = settings.value("user/Login")
fullNameLabel = QLabel("Full name for user '{0}': ".format(login))
# get the full name of the actual user
self.fullNameEdit = QLineEdit()
self.fullNameEdit.setText(fulluser)
# information about data structure
dataroot = settings.value("data/dataRoot")
dataDirLabel = QLabel("data root directory: ")
self.dataDirEdit = QLineEdit()
self.dataDirEdit.setText(dataroot)
self.dataDirEdit.selectAll()
structureLabel = QLabel("data structure: ")
self.structureSelect = QComboBox()
from pylot.core.util.structure import DATASTRUCTURE
self.structureSelect.addItems(DATASTRUCTURE.keys())
layout = QGridLayout()
layout.addWidget(dataDirLabel, 0, 0)
layout.addWidget(self.dataDirEdit, 0, 1)
layout.addWidget(fullNameLabel, 1, 0)
layout.addWidget(self.fullNameEdit, 1, 1)
layout.addWidget(structureLabel, 2, 0)
layout.addWidget(self.structureSelect, 2, 1)
self.setLayout(layout)
def getValues(self):
values = {"data/dataRoot": self.dataDirEdit.text(),
"user/FullName": self.fullNameEdit.text(),
"data/Structure": self.structureSelect.currentText()}
return values
class OutputsTab(PropTab):
def __init__(self, parent=None):
super(OutputsTab, self).__init__(parent)
settings = QSettings()
curval = settings.value("output/Format", None)
eventOutputLabel = QLabel("event ouput format")
self.eventOutputComboBox = QComboBox()
eventoutputformats = OUTPUTFORMATS.keys()
self.eventOutputComboBox.addItems(eventoutputformats)
if curval is None:
ind = 0
else:
ind = self.eventOutputComboBox.findText(curval)
self.eventOutputComboBox.setCurrentIndex(ind)
layout = QGridLayout()
layout.addWidget(eventOutputLabel, 0, 0)
layout.addWidget(self.eventOutputComboBox, 0, 1)
self.setLayout(layout)
def getValues(self):
values = {"output/Format": self.eventOutputComboBox.currentText()}
return values
class PhasesTab(PropTab):
def __init__(self, parent=None):
super(PhasesTab, self).__init__(parent)
pass
class GraphicsTab(PropTab):
def __init__(self, parent=None):
super(GraphicsTab, self).__init__(parent)
pass
class NewEventDlg(QDialog):
def __init__(self, parent=None, titleString="Create a new event"):
"""
QDialog object utilized to create a new event manually.
"""
super(NewEventDlg, self).__init__()
self.setupUI()
now = datetime.datetime.now()
self.eventTimeEdit.setDateTime(now)
# event dates in the future are forbidden
self.eventTimeEdit.setMaximumDateTime(now)
self.latEdit.setText("51.0000")
self.lonEdit.setText("7.0000")
self.depEdit.setText("10.0")
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
def getValues(self):
return {'origintime': self.eventTimeEdit.dateTime().toPython(),
'latitude': self.latEdit.text(),
'longitude': self.lonEdit.text(),
'depth': self.depEdit.text()}
def setupUI(self):
# create widget objects
timeLabel = QLabel()
timeLabel.setText("Select time: ")
self.eventTimeEdit = QDateTimeEdit()
latLabel = QLabel()
latLabel.setText("Latitude: ")
self.latEdit = QLineEdit()
lonLabel = QLabel()
lonLabel.setText("Longitude: ")
self.lonEdit = QLineEdit()
depLabel = QLabel()
depLabel.setText("Depth: ")
self.depEdit = QLineEdit()
self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok |
QDialogButtonBox.Cancel)
grid = QGridLayout()
grid.addWidget(timeLabel, 0, 0)
grid.addWidget(self.eventTimeEdit, 0, 1)
grid.addWidget(latLabel, 1, 0)
grid.addWidget(self.latEdit, 1, 1)
grid.addWidget(lonLabel, 2, 0)
grid.addWidget(self.lonEdit, 2, 1)
grid.addWidget(depLabel, 3, 0)
grid.addWidget(self.depEdit, 3, 1)
grid.addWidget(self.buttonBox, 4, 1)
self.setLayout(grid)
class FilterOptionsDialog(QDialog):
def __init__(self, parent=None, titleString="Filter options",
filterOptions=None):
"""
PyLoT widget FilterOptionsDialog is a QDialog object. It is an UI to
adjust parameters for filtering seismic data.
"""
super(FilterOptionsDialog, self).__init__()
if parent is not None:
self.filterOptions = parent.getFilterOptions()
elif filterOptions is not None:
self.filterOptions = FilterOptions(filterOptions)
else:
self.filterOptions = FilterOptions()
_enable = True
if self.getFilterOptions().getFilterType() is None:
_enable = False
self.freqminLabel = QLabel()
self.freqminLabel.setText("minimum:")
self.freqminSpinBox = QDoubleSpinBox()
self.freqminSpinBox.setRange(5e-7, 1e6)
self.freqminSpinBox.setDecimals(2)
self.freqminSpinBox.setSuffix(' Hz')
self.freqminSpinBox.setEnabled(_enable)
self.freqmaxLabel = QLabel()
self.freqmaxLabel.setText("maximum:")
self.freqmaxSpinBox = QDoubleSpinBox()
self.freqmaxSpinBox.setRange(5e-7, 1e6)
self.freqmaxSpinBox.setDecimals(2)
self.freqmaxSpinBox.setSuffix(' Hz')
if _enable:
self.freqminSpinBox.setValue(self.getFilterOptions().getFreq()[0])
if self.getFilterOptions().getFilterType() in ['bandpass',
'bandstop']:
self.freqmaxSpinBox.setValue(
self.getFilterOptions().getFreq()[1])
else:
try:
self.freqmaxSpinBox.setValue(self.getFilterOptions().getFreq())
self.freqminSpinBox.setValue(self.getFilterOptions().getFreq())
except TypeError, e:
print e
self.freqmaxSpinBox.setValue(1.)
self.freqminSpinBox.setValue(.1)
typeOptions = [None, "bandpass", "bandstop", "lowpass", "highpass"]
self.orderLabel = QLabel()
self.orderLabel.setText("Order:")
self.orderSpinBox = QSpinBox()
self.orderSpinBox.setRange(2, 10)
self.orderSpinBox.setEnabled(_enable)
self.selectTypeLabel = QLabel()
self.selectTypeLabel.setText("Select filter type:")
self.selectTypeCombo = QComboBox()
self.selectTypeCombo.addItems(typeOptions)
self.selectTypeLayout = QVBoxLayout()
self.selectTypeLayout.addWidget(self.orderLabel)
self.selectTypeLayout.addWidget(self.orderSpinBox)
self.selectTypeLayout.addWidget(self.selectTypeLabel)
self.selectTypeLayout.addWidget(self.selectTypeCombo)
self.freqGroupBox = QGroupBox("Frequency range")
self.freqGroupLayout = QGridLayout()
self.freqGroupLayout.addWidget(self.freqminLabel, 0, 0)
self.freqGroupLayout.addWidget(self.freqminSpinBox, 0, 1)
self.freqGroupLayout.addWidget(self.freqmaxLabel, 1, 0)
self.freqGroupLayout.addWidget(self.freqmaxSpinBox, 1, 1)
self.freqGroupBox.setLayout(self.freqGroupLayout)
self.freqmaxSpinBox.setEnabled(_enable)
self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok |
QDialogButtonBox.Cancel)
grid = QGridLayout()
grid.addWidget(self.freqGroupBox, 0, 2, 1, 2)
grid.addLayout(self.selectTypeLayout, 1, 2, 1, 2)
grid.addWidget(self.buttonBox, 2, 2, 1, 2)
self.setLayout(grid)
self.freqminSpinBox.valueChanged.connect(self.updateUi)
self.freqmaxSpinBox.valueChanged.connect(self.updateUi)
self.orderSpinBox.valueChanged.connect(self.updateUi)
self.selectTypeCombo.currentIndexChanged.connect(self.updateUi)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
def updateUi(self):
_enable = False
if self.selectTypeCombo.currentText() not in ['bandpass', 'bandstop']:
self.freqminLabel.setText("cutoff:")
self.freqmaxSpinBox.setValue(self.freqminSpinBox.value())
else:
_enable = True
self.freqminLabel.setText("minimum:")
self.freqmaxLabel.setEnabled(_enable)
self.freqmaxSpinBox.setEnabled(_enable)
self.getFilterOptions().setFilterType(
self.selectTypeCombo.currentText())
freq = [self.freqminSpinBox.value()]
if _enable:
if self.freqminSpinBox.value() > self.freqmaxSpinBox.value():
QMessageBox.warning(self, "Value error",
"Maximum frequency must be at least the "
"same value as minimum frequency (notch)!")
self.freqmaxSpinBox.setValue(self.freqminSpinBox.value())
self.freqmaxSpinBox.selectAll()
self.freqmaxSpinBox.setFocus()
return
freq.append(self.freqmaxSpinBox.value())
self.getFilterOptions().setFreq(freq)
self.getFilterOptions().setOrder(self.orderSpinBox.value())
def getFilterOptions(self):
return self.filterOptions
@staticmethod
def getFilterObject():
dlg = FilterOptionsDialog()
if dlg.exec_():
return dlg.getFilterOptions()
return None
def accept(self):
self.updateUi()
QDialog.accept(self)
class LoadDataDlg(QDialog):
def __init__(self, parent=None):
super(LoadDataDlg, self).__init__(parent)
pass
class HelpForm(QDialog):
def __init__(self, page=QUrl('https://ariadne.geophysik.rub.de/trac/PyLoT'),
parent=None):
super(HelpForm, self).__init__(parent)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setAttribute(Qt.WA_GroupLeader)
backAction = QAction(QIcon(":/back.png"), "&Back", self)
backAction.setShortcut(QKeySequence.Back)
homeAction = QAction(QIcon(":/home.png"), "&Home", self)
homeAction.setShortcut("Home")
self.pageLabel = QLabel()
toolBar = QToolBar()
toolBar.addAction(backAction)
toolBar.addAction(homeAction)
toolBar.addWidget(self.pageLabel)
self.webBrowser = QWebView()
self.webBrowser.load(page)
layout = QVBoxLayout()
layout.addWidget(toolBar)
layout.addWidget(self.webBrowser, 1)
self.setLayout(layout)
self.connect(backAction, Signal("triggered()"),
self.webBrowser, Slot("backward()"))
self.connect(homeAction, Signal("triggered()"),
self.webBrowser, Slot("home()"))
self.connect(self.webBrowser, Signal("sourceChanged(QUrl)"),
self.updatePageTitle)
self.resize(400, 600)
self.setWindowTitle("{0} Help".format(QApplication.applicationName()))
def updatePageTitle(self):
self.pageLabel.setText(self.webBrowser.documentTitle())
if __name__ == '__main__':
import doctest
doctest.testmod()