449 lines
18 KiB
Python
449 lines
18 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import traceback
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import matplotlib.pyplot as plt
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import numpy as np
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import obspy
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from PySide import QtGui
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from mpl_toolkits.basemap import Basemap
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from matplotlib.figure import Figure
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from mpl_toolkits.axes_grid1.inset_locator import inset_axes
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from pylot.core.util.widgets import PickDlg, PylotCanvas
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from scipy.interpolate import griddata
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plt.interactive(False)
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class Array_map(QtGui.QWidget):
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def __init__(self, parent, figure=None):
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'''
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Create a map of the array.
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:param parent: PyLoT Mainwindow class
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:param figure:
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'''
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QtGui.QWidget.__init__(self)
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self._parent = parent
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self.metadata = parent.metadata
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self.picks = None
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self.picks_dict = None
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self.autopicks_dict = None
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self.eventLoc = None
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self.figure = figure
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self.init_graphics()
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self.init_stations()
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self.init_basemap(resolution='l')
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self.init_map()
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self._style = parent._style
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# self.show()
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@property
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def hybrids_dict(self):
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hybrids_dict = self.picks_dict.copy()
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for station, pick in self.autopicks_dict.items():
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if not station in hybrids_dict.keys():
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hybrids_dict[station] = pick
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return hybrids_dict
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def init_map(self):
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self.init_lat_lon_dimensions()
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self.init_lat_lon_grid()
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self.init_x_y_dimensions()
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self.connectSignals()
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self.draw_everything()
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self.canvas.setZoomBorders2content()
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def onpick(self, event):
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ind = event.ind
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button = event.mouseevent.button
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if ind == [] or not button == 1:
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return
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data = self._parent.get_data().getWFData()
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for index in ind:
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network, station = self._station_onpick_ids[index].split('.')[:2]
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try:
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data = data.select(station=station)
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if not data:
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self._warn('No data for station {}'.format(station))
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return
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pickDlg = PickDlg(self._parent, parameter=self._parent._inputs,
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data=data, network=network, station=station,
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picks=self._parent.get_current_event().getPick(station),
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autopicks=self._parent.get_current_event().getAutopick(station),
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filteroptions=self._parent.filteroptions)
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except Exception as e:
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message = 'Could not generate Plot for station {st}.\n {er}'.format(st=station, er=e)
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self._warn(message)
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print(message, e)
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print(traceback.format_exc())
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return
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pyl_mw = self._parent
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try:
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if pickDlg.exec_():
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pyl_mw.setDirty(True)
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pyl_mw.update_status('picks accepted ({0})'.format(station))
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pyl_mw.addPicks(station, pickDlg.getPicks(picktype='manual'), type='manual')
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pyl_mw.addPicks(station, pickDlg.getPicks(picktype='auto'), type='auto')
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self._refresh_drawings()
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pyl_mw.drawPicks(station)
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pyl_mw.draw()
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else:
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pyl_mw.update_status('picks discarded ({0})'.format(station))
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except Exception as e:
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message = 'Could not save picks for station {st}.\n{er}'.format(st=station, er=e)
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self._warn(message)
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print(message, e)
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def connectSignals(self):
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self.comboBox_phase.currentIndexChanged.connect(self._refresh_drawings)
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self.comboBox_am.currentIndexChanged.connect(self._refresh_drawings)
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self.canvas.mpl_connect('motion_notify_event', self.mouse_moved)
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# self.zoom_id = self.basemap.ax.figure.canvas.mpl_connect('scroll_event', self.zoom)
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def _from_dict(self, function, key):
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return function(self.stations_dict.values(), key=lambda x: x[key])[key]
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def get_min_from_stations(self, key):
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return self._from_dict(min, key)
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def get_max_from_stations(self, key):
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return self._from_dict(max, key)
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def get_min_from_picks(self):
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return min(self.picks_rel.values())
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def get_max_from_picks(self):
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return max(self.picks_rel.values())
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def mouse_moved(self, event):
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if not event.inaxes == self.main_ax:
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return
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x = event.xdata
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y = event.ydata
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lat, lon = self.basemap(x, y, inverse=True)
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self.status_label.setText('Latitude: {}, Longitude: {}'.format(lat, lon))
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def current_picks_dict(self):
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picktype = self.comboBox_am.currentText().split(' ')[0]
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auto_manu = {'auto': self.autopicks_dict,
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'manual': self.picks_dict,
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'hybrid': self.hybrids_dict}
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return auto_manu[picktype]
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def init_graphics(self):
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if not self.figure:
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self.figure = Figure()
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self.status_label = QtGui.QLabel()
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self.main_ax = self.figure.add_subplot(111)
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self.canvas = PylotCanvas(self.figure, parent=self._parent, multicursor=True,
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panZoomX=False, panZoomY=False)
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self.main_box = QtGui.QVBoxLayout()
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self.setLayout(self.main_box)
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self.top_row = QtGui.QHBoxLayout()
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self.main_box.addLayout(self.top_row, 1)
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self.comboBox_phase = QtGui.QComboBox()
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self.comboBox_phase.insertItem(0, 'P')
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self.comboBox_phase.insertItem(1, 'S')
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self.comboBox_am = QtGui.QComboBox()
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self.comboBox_am.insertItem(0, 'hybrid (prefer manual)')
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self.comboBox_am.insertItem(1, 'manual')
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self.comboBox_am.insertItem(2, 'auto')
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self.top_row.addWidget(QtGui.QLabel('Select a phase: '))
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self.top_row.addWidget(self.comboBox_phase)
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self.top_row.setStretch(1, 1) # set stretch of item 1 to 1
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self.top_row.addWidget(QtGui.QLabel('Pick type: '))
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self.top_row.addWidget(self.comboBox_am)
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self.top_row.setStretch(3, 1) # set stretch of item 1 to 1
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self.main_box.addWidget(self.canvas, 1)
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self.main_box.addWidget(self.status_label, 0)
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def init_stations(self):
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self.stations_dict = self.metadata.get_all_coordinates()
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self.latmin = self.get_min_from_stations('latitude')
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self.lonmin = self.get_min_from_stations('longitude')
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self.latmax = self.get_max_from_stations('latitude')
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self.lonmax = self.get_max_from_stations('longitude')
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def init_picks(self):
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def get_picks(station_dict):
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picks = {}
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# selected phase
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phase = self.comboBox_phase.currentText()
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for st_id in station_dict.keys():
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try:
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station_name = st_id.split('.')[-1]
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# current_picks_dict: auto or manual
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pick = self.current_picks_dict()[station_name][phase]
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if pick['picker'] == 'auto':
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if not pick['spe']:
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continue
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picks[st_id] = pick['mpp']
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except KeyError:
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continue
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except Exception as e:
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print('Cannot display pick for station {}. Reason: {}'.format(station_name, e))
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return picks
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def get_picks_rel(picks):
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picks_rel = {}
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picks_utc = []
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for pick in picks.values():
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if type(pick) is obspy.core.utcdatetime.UTCDateTime:
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picks_utc.append(pick)
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if picks_utc:
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self._earliest_picktime = min(picks_utc)
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for st_id, pick in picks.items():
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if type(pick) is obspy.core.utcdatetime.UTCDateTime:
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pick -= self._earliest_picktime
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picks_rel[st_id] = pick
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return picks_rel
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self.picks = get_picks(self.stations_dict)
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self.picks_rel = get_picks_rel(self.picks)
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def init_lat_lon_dimensions(self):
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# init minimum and maximum lon and lat dimensions
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self.londim = self.lonmax - self.lonmin
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self.latdim = self.latmax - self.latmin
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def init_x_y_dimensions(self):
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# transformation of lat/lon to ax coordinate system
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for st_id, coords in self.stations_dict.items():
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lat, lon = coords['latitude'], coords['longitude']
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coords['x'], coords['y'] = self.basemap(lon, lat)
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self.xdim = self.get_max_from_stations('x') - self.get_min_from_stations('x')
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self.ydim = self.get_max_from_stations('y') - self.get_min_from_stations('y')
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def init_basemap(self, resolution='l'):
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# basemap = Basemap(projection=projection, resolution = resolution, ax=self.main_ax)
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width = 5e6
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height = 2e6
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basemap = Basemap(projection='lcc', resolution=resolution, ax=self.main_ax,
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width=width, height=height,
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lat_0=(self.latmin + self.latmax) / 2.,
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lon_0=(self.lonmin + self.lonmax) / 2.)
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# basemap.fillcontinents(color=None, lake_color='aqua',zorder=1)
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basemap.drawmapboundary(zorder=2) # fill_color='darkblue')
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basemap.shadedrelief(zorder=3)
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basemap.drawcountries(zorder=4)
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basemap.drawstates(zorder=5)
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basemap.drawcoastlines(zorder=6)
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# labels = [left,right,top,bottom]
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parallels = np.arange(-90, 90, 5.)
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parallels_small = np.arange(-90, 90, 2.5)
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basemap.drawparallels(parallels_small, linewidth=0.5, zorder=7)
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basemap.drawparallels(parallels, zorder=7)
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meridians = np.arange(-180, 180, 5.)
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meridians_small = np.arange(-180, 180, 2.5)
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basemap.drawmeridians(meridians_small, linewidth=0.5, zorder=7)
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basemap.drawmeridians(meridians, zorder=7)
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self.basemap = basemap
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self.figure._tight = True
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self.figure.tight_layout()
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def init_lat_lon_grid(self, nstep=250):
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# create a regular grid to display colormap
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lataxis = np.linspace(self.latmin, self.latmax, nstep)
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lonaxis = np.linspace(self.lonmin, self.lonmax, nstep)
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self.longrid, self.latgrid = np.meshgrid(lonaxis, lataxis)
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def init_picksgrid(self):
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picks, lats, lons = self.get_picks_lat_lon()
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try:
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self.picksgrid_active = griddata((lats, lons), picks, (self.latgrid, self.longrid),
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method='linear')
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except Exception as e:
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self._warn('Could not init picksgrid: {}'.format(e))
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def get_st_lat_lon_for_plot(self):
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stations = []
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latitudes = []
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longitudes = []
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for st_id, coords in self.stations_dict.items():
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stations.append(st_id)
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latitudes.append(coords['latitude'])
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longitudes.append(coords['longitude'])
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return stations, latitudes, longitudes
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def get_st_x_y_for_plot(self):
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stations = []
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xs = []
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ys = []
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for st_id, coords in self.stations_dict.items():
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stations.append(st_id)
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xs.append(coords['x'])
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ys.append(coords['y'])
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return stations, xs, ys
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def get_picks_lat_lon(self):
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picks = []
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latitudes = []
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longitudes = []
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for st_id, pick in self.picks_rel.items():
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picks.append(pick)
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latitudes.append(self.stations_dict[st_id]['latitude'])
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longitudes.append(self.stations_dict[st_id]['longitude'])
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return picks, latitudes, longitudes
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def draw_contour_filled(self, nlevel='50'):
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levels = np.linspace(self.get_min_from_picks(), self.get_max_from_picks(), nlevel)
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self.contourf = self.basemap.contourf(self.longrid, self.latgrid, self.picksgrid_active,
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levels, latlon=True, zorder=9, alpha=0.5)
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def scatter_all_stations(self):
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stations, lats, lons = self.get_st_lat_lon_for_plot()
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self.sc = self.basemap.scatter(lons, lats, s=50, facecolor='none', latlon=True,
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zorder=10, picker=True, edgecolor='m', label='Not Picked')
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self.cid = self.canvas.mpl_connect('pick_event', self.onpick)
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self._station_onpick_ids = stations
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if self.eventLoc:
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lats, lons = self.eventLoc
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self.sc_event = self.basemap.scatter(lons, lats, s=100, facecolor='red',
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latlon=True, zorder=11, label='Event (might be outside map region)')
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def scatter_picked_stations(self):
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picks, lats, lons = self.get_picks_lat_lon()
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if len(lons) < 1 and len(lats) < 1:
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return
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# workaround because of an issue with latlon transformation of arrays with len <3
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if len(lons) <= 2 and len(lats) <= 2:
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self.sc_picked = self.basemap.scatter(lons[0], lats[0], s=50, facecolor='white',
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c=picks[0], latlon=True, zorder=11, label='Picked')
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if len(lons) == 2 and len(lats) == 2:
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self.sc_picked = self.basemap.scatter(lons[1], lats[1], s=50, facecolor='white',
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c=picks[1], latlon=True, zorder=11)
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else:
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self.sc_picked = self.basemap.scatter(lons, lats, s=50, facecolor='white',
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c=picks, latlon=True, zorder=11, label='Picked')
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def annotate_ax(self):
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self.annotations = []
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stations, xs, ys = self.get_st_x_y_for_plot()
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for st, x, y in zip(stations, xs, ys):
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self.annotations.append(self.main_ax.annotate(' %s' % st, xy=(x, y),
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fontsize='x-small', color='white', zorder=12))
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self.legend = self.main_ax.legend(loc=1)
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self.legend.get_frame().set_facecolor((1, 1, 1, 0.75))
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def add_cbar(self, label):
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self.cbax_bg = inset_axes(self.main_ax, width="6%", height="75%", loc=5)
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cbax = inset_axes(self.main_ax, width='2%', height='70%', loc=5)
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cbar = self.main_ax.figure.colorbar(self.sc_picked, cax=cbax)
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cbar.set_label(label)
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cbax.yaxis.tick_left()
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cbax.yaxis.set_label_position('left')
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for spine in self.cbax_bg.spines.values():
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spine.set_visible(False)
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self.cbax_bg.yaxis.set_ticks([])
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self.cbax_bg.xaxis.set_ticks([])
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self.cbax_bg.patch.set_facecolor((1, 1, 1, 0.75))
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return cbar
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def refresh_drawings(self, picks=None, autopicks=None):
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self.picks_dict = picks
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self.autopicks_dict = autopicks
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self._refresh_drawings()
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def _refresh_drawings(self):
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self.remove_drawings()
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self.draw_everything()
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def draw_everything(self):
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picktype = self.comboBox_am.currentText()
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picks_available = (self.picks_dict and picktype == 'manual') \
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or (self.autopicks_dict and picktype == 'auto') \
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or ((self.autopicks_dict or self.picks_dict) and picktype.startswith('hybrid'))
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if picks_available:
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self.init_picks()
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if len(self.picks) >= 3:
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self.init_picksgrid()
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self.draw_contour_filled()
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self.scatter_all_stations()
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if picks_available:
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self.scatter_picked_stations()
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self.cbar = self.add_cbar(label='Time relative to first onset ({}) [s]'.format(self._earliest_picktime))
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self.comboBox_phase.setEnabled(True)
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else:
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self.comboBox_phase.setEnabled(False)
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self.annotate_ax()
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self.canvas.draw()
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def remove_drawings(self):
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if hasattr(self, 'cbar'):
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self.cbar.remove()
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self.cbax_bg.remove()
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del (self.cbar, self.cbax_bg)
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if hasattr(self, 'sc_picked'):
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self.sc_picked.remove()
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del self.sc_picked
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if hasattr(self, 'sc_event'):
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self.sc_event.remove()
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del self.sc_event
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if hasattr(self, 'contourf'):
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self.remove_contourf()
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del self.contourf
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if hasattr(self, 'cid'):
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self.canvas.mpl_disconnect(self.cid)
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del self.cid
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try:
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self.sc.remove()
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except Exception as e:
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print('Warning: could not remove station scatter plot.\nReason: {}'.format(e))
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try:
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self.legend.remove()
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except Exception as e:
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print('Warning: could not remove legend. Reason: {}'.format(e))
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self.canvas.draw()
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def remove_contourf(self):
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for item in self.contourf.collections:
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item.remove()
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def remove_annotations(self):
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for annotation in self.annotations:
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annotation.remove()
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def zoom(self, event):
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map = self.basemap
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xlim = map.ax.get_xlim()
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ylim = map.ax.get_ylim()
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x, y = event.xdata, event.ydata
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zoom = {'up': 1. / 2.,
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'down': 2.}
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if not event.xdata or not event.ydata:
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return
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if event.button in zoom:
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factor = zoom[event.button]
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xdiff = (xlim[1] - xlim[0]) * factor
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xl = x - 0.5 * xdiff
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xr = x + 0.5 * xdiff
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ydiff = (ylim[1] - ylim[0]) * factor
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yb = y - 0.5 * ydiff
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yt = y + 0.5 * ydiff
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if xl < map.xmin or yb < map.ymin or xr > map.xmax or yt > map.ymax:
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xl, xr = map.xmin, map.xmax
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yb, yt = map.ymin, map.ymax
|
|
map.ax.set_xlim(xl, xr)
|
|
map.ax.set_ylim(yb, yt)
|
|
map.ax.figure.canvas.draw()
|
|
|
|
def _warn(self, message):
|
|
self.qmb = QtGui.QMessageBox(QtGui.QMessageBox.Icon.Warning,
|
|
'Warning', message)
|
|
self.qmb.show()
|