Merge branch 'map_projection' into develop

QtPyLoT.py

@@ -58,6 +58,7 @@ from pylot.core.io.location import create_creation_info, create_event
 from pylot.core.util.widgets import FilterOptionsDialog, NewEventDlg, \
     WaveformWidget, PropertiesDlg, HelpForm, createAction, PickDlg, \
     getDataType, ComparisonDialog
+from pylot.core.util.map_projection import map_projection
 from pylot.core.util.structure import DATASTRUCTURE
 from pylot.core.util.thread import AutoPickThread
 from pylot.core.util.version import get_git_version as _getVersionString
@@ -119,6 +120,9 @@ class MainWindow(QMainWindow):
         self.picks = {}
         self.autopicks = {}
         self.loc = False
+        self._metadata = None
+
+        self.array_map = None
 
         # initialize event data
         if self.recentfiles:
@@ -1034,8 +1038,16 @@ class MainWindow(QMainWindow):
         self.get_data().applyEVTData(lt.read_location(locpath), type='event')
         self.get_data().applyEVTData(self.calc_magnitude(), type='event')
 
-
-    def calc_magnitude(self, type='ML'):
+    def show_array_map(self):
+        if not self.array_map:
+            self.get_metadata()
+            if not self.metadata:
+                return
+            self.array_map = map_projection(self)
+        else:
+            self.array_map.show()
+        
+    def get_metadata(self):
         def set_inv(settings):
             fninv, _ = QFileDialog.getOpenFileName(self, self.tr(
                 "Select inventory..."), self.tr("Select file"))
@@ -1070,7 +1082,12 @@ class MainWindow(QMainWindow):
                     return None
             else:
                 self.metadata = read_metadata(fninv)
-                
+        
+    def calc_magnitude(self, type='ML'):
+        self.get_metadata()
+        if not self.metadata:
+            return None
+            
         wf_copy = self.get_data().getWFData().copy()
         corr_wf = restitute_data(wf_copy, *self.metadata)
         # if not rest_flag:

pylot/core/util/map_projection.py

@@ -0,0 +1,253 @@
+from mpl_toolkits.basemap import Basemap
+import matplotlib.pyplot as plt
+import numpy as np
+import obspy
+from matplotlib import cm
+from scipy.interpolate import griddata
+from matplotlib.backends.backend_qt4agg import NavigationToolbar2QT as NavigationToolbar
+from PySide import QtCore, QtGui
+
+from pylot.core.util.widgets import PickDlg
+
+plt.interactive(False)
+
+class map_projection(QtGui.QWidget):
+    def __init__(self, mainwindow):
+        QtGui.QWidget.__init__(self)
+        self.pyl_mainwindow = mainwindow
+        self.parser = mainwindow.metadata[1]
+        self.init_graphics()
+        self.init_stations()
+        self.init_lat_lon_dimensions()
+        self.init_lat_lon_grid()
+        self.init_basemap(projection='mill', resolution='l')
+        self.init_x_y_dimensions()
+        self.connectSignals()
+        self.draw_everything()
+        self.show()
+        
+    def onpick(self, event):
+        ind = event.ind
+        if ind == []:
+            return
+        data = self.pyl_mainwindow.get_data().getWFData()
+        for index in ind:
+            station=str(self.station_names[index])
+            try:
+                pickDlg = PickDlg(self, infile=self.pyl_mainwindow.getinfile(), 
+                                  data=data.select(station=station),
+                                  station=station,
+                                  picks=self.pyl_mainwindow.getPicksOnStation(station, 'manual'),
+                                  autopicks=self.pyl_mainwindow.getPicksOnStation(station, 'auto'))
+                pyl_mw = self.pyl_mainwindow
+                if pickDlg.exec_():
+                    pyl_mw.setDirty(True)
+                    pyl_mw.update_status('picks accepted ({0})'.format(station))
+                    replot = pyl_mw.addPicks(station, pickDlg.getPicks())
+                    if replot:
+                        pyl_mw.plotWaveformData()
+                        pyl_mw.drawPicks()
+                        pyl_mw.draw()
+                    else:
+                        pyl_mw.drawPicks(station)
+                        pyl_mw.draw()
+                else:
+                    pyl_mw.update_status('picks discarded ({0})'.format(station))
+            except Exception as e:
+                print('Could not generate Plot for station {st}.\n{er}'.format(st=station, er=e))
+
+    def connectSignals(self):
+        self.combobox.currentIndexChanged.connect(self.refresh_drawings)
+        
+    def init_graphics(self):
+        self.main_box = QtGui.QVBoxLayout()
+        self.setLayout(self.main_box)
+
+        self.top_row = QtGui.QHBoxLayout()
+        self.main_box.addLayout(self.top_row)
+
+        self.combobox = QtGui.QComboBox()
+        self.combobox.insertItem(0, 'P')
+        self.combobox.insertItem(1, 'S')
+        self.top_row.addWidget(QtGui.QLabel('Select a phase: '))        
+        self.top_row.addWidget(self.combobox)
+        
+        fig = plt.figure()
+        self.main_ax = fig.add_subplot(111)
+        self.canvas = fig.canvas
+        self.main_box.addWidget(self.canvas)
+
+        self.toolbar = NavigationToolbar(self.canvas, self)
+        self.main_box.addWidget(self.toolbar)
+        
+    def init_stations(self):
+        def get_station_names_lat_lon(parser):
+            station_names=[]
+            lat=[]
+            lon=[]
+            for station in parser.stations:
+                station_name=station[0].station_call_letters
+                if not station_name in station_names:
+                    station_names.append(station_name)
+                    lat.append(station[0].latitude)
+                    lon.append(station[0].longitude)
+            return station_names, lat, lon
+        
+        station_names, lat, lon = get_station_names_lat_lon(self.parser)
+        self.station_names = station_names
+        self.lat = lat
+        self.lon = lon
+
+    def init_picks(self):
+        phase = self.combobox.currentText()
+        def get_picks(station_names):
+            picks=[]
+            for station in station_names:
+                try:
+                    picks.append(self.pyl_mainwindow.autopicks[station][phase]['mpp'])
+                except:
+                    picks.append(np.nan)
+            return picks
+
+        def get_picks_rel(picks):
+            picks_rel=[]
+            minp = min(picks)    
+            for pick in picks:
+                if type(pick) is obspy.core.utcdatetime.UTCDateTime:
+                    pick -= minp
+                picks_rel.append(pick)
+            return picks_rel
+        
+        self.picks = get_picks(self.station_names)
+        self.picks_rel = get_picks_rel(self.picks)
+
+    def init_picks_active(self):
+        def remove_nan_picks(picks):
+            picks_no_nan=[]
+            for pick in picks:
+                if not np.isnan(pick):
+                    picks_no_nan.append(pick)
+            return picks_no_nan
+        
+        self.picks_no_nan = remove_nan_picks(self.picks_rel)
+
+    def init_stations_active(self):
+        def remove_nan_lat_lon(picks, lat, lon):
+            lat_no_nan=[]
+            lon_no_nan=[]
+            for index, pick in enumerate(picks):
+                if not np.isnan(pick):
+                    lat_no_nan.append(lat[index])
+                    lon_no_nan.append(lon[index])
+            return lat_no_nan, lon_no_nan
+        
+        self.lat_no_nan, self.lon_no_nan = remove_nan_lat_lon(self.picks_rel, self.lat, self.lon)
+
+    def init_lat_lon_dimensions(self):
+        def get_lon_lat_dim(lon, lat):
+            londim = max(lon) - min(lon)
+            latdim = max(lat) - min(lat)
+            return londim, latdim
+        
+        self.londim, self.latdim = get_lon_lat_dim(self.lon, self.lat)
+
+    def init_x_y_dimensions(self):
+        def get_x_y_dim(x, y):
+            xdim = max(x) - min(x)
+            ydim = max(y) - min(y)
+            return xdim, ydim
+        
+        self.x, self.y = self.basemap(self.lon, self.lat)
+        self.xdim, self.ydim = get_x_y_dim(self.x, self.y)
+
+    def init_basemap(self, projection, resolution='l'):
+        basemap = Basemap(projection=projection, resolution = resolution, ax=self.main_ax)
+        basemap.drawmapboundary(fill_color='darkblue')
+        basemap.drawcountries()
+        basemap.drawstates()
+        basemap.fillcontinents(color='grey', lake_color='aqua')
+        basemap.drawcoastlines()
+        self.basemap = basemap
+
+        
+    def init_lat_lon_grid(self):
+        def get_lat_lon_axis(lat, lon):
+            steplat = (max(lat)-min(lat))/250
+            steplon = (max(lon)-min(lon))/250
+
+            lataxis = np.arange(min(lat), max(lat), steplat)
+            lonaxis = np.arange(min(lon), max(lon), steplon)
+            return lataxis, lonaxis
+
+        def get_lat_lon_grid(lataxis, lonaxis):
+            longrid, latgrid = np.meshgrid(lonaxis, lataxis)
+            return latgrid, longrid
+
+        self.lataxis, self.lonaxis = get_lat_lon_axis(self.lat, self.lon)
+        self.latgrid, self.longrid = get_lat_lon_grid(self.lataxis, self.lonaxis)
+
+    def init_picksgrid(self):
+        self.picksgrid_no_nan = griddata((self.lat_no_nan, self.lon_no_nan),
+                                         self.picks_no_nan, (self.latgrid, self.longrid), method='linear') ##################
+
+    def draw_contour_filled(self, nlevel='50'):
+        levels = np.linspace(min(self.picks_rel), max(self.picks_rel), nlevel)
+        self.contourf = self.basemap.contourf(self.longrid, self.latgrid, self.picksgrid_no_nan,
+                                              levels, latlon=True, zorder=9)
+
+    def scatter_all_stations(self):
+        self.sc = self.basemap.scatter(self.lon, self.lat, s=50, facecolor='none', latlon=True,
+                                  zorder=10, picker=True, edgecolor='m', label='Not Picked')
+        self.cid = self.canvas.mpl_connect('pick_event', self.onpick)
+
+    def scatter_picked_stations(self):
+        self.sc_picked = self.basemap.scatter(self.lon_no_nan, self.lat_no_nan, s=50, facecolor='white',
+                                              c=self.picks_no_nan, latlon=True, zorder=11, label='Picked')
+
+    def annotate_ax(self):
+        self.annotations=[]
+        for index, name in enumerate(self.station_names):
+            self.annotations.append(self.main_ax.annotate(' %s' % name, xy=(self.x[index], self.y[index]),
+                                                          fontsize='x-small', color='white', zorder=12))
+        self.legend=self.main_ax.legend()
+
+    def add_cbar(self, label):
+        cbar = self.main_ax.figure.colorbar(self.sc_picked)
+        cbar.set_label(label)
+        return cbar
+
+    def refresh_drawings(self):
+        self.remove_drawings()
+        self.draw_everything()
+    
+    def draw_everything(self):
+        self.init_picks()
+        self.init_picks_active()
+        self.init_stations_active()
+        self.init_picksgrid()
+        self.draw_contour_filled()
+        self.scatter_all_stations()
+        self.scatter_picked_stations()
+        self.annotate_ax()
+        self.cbar = self.add_cbar(label='Time relative to first onset [s]')
+        self.canvas.draw()
+
+    def remove_drawings(self):
+        self.sc_picked.remove()
+        self.sc.remove()
+        self.cbar.remove()
+        self.remove_annotations()
+        self.legend.remove()
+        self.remove_contourf()
+        self.canvas.mpl_disconnect(self.cid)
+        self.canvas.draw()
+
+    def remove_contourf(self):
+        for item in self.contourf.collections:
+            item.remove()
+
+    def remove_annotations(self):
+        for annotation in self.annotations:
+            annotation.remove()
+    
+