def updateAll(self, file):
self.currentFile = file
segy = pssegy.Segy(file)
self.setSegy(segy)
self.xComponentToolButton.setChecked(False)
self.yComponentToolButton.setChecked(False)
self.zComponentToolButton.setChecked(True)
self.initPlot()
def saveSegy(filename, trace, dt = 1000):
## prepare SEGY header
ns, ntr = trace.shape
SH = pssegy.getDefaultSegyHeader(ntr, ns)
STH = pssegy.getDefaultSegyTraceHeaders(ntr, ns, dt)
STH['TraceIdentificationCode'][0:ntr:3] = 14.0
STH['TraceIdentificationCode'][1:ntr:3] = 13.0
STH['TraceIdentificationCode'][2:ntr:3] = 12.0
rcvlist = [1]
STH['Inline3D'][0:int(ntr/3)] = np.array(rcvlist)
STH['Inline3D'][int(ntr/3): 2*int(ntr/3)] = np.array(rcvlist)
STH['Inline3D'][2*int(ntr/3): 3*int(ntr/3)] = np.array(rcvlist)
# deal with date time
ns_start = 0 #int(istart/1000) # delayed seconds
# delay_hour = (ns_start/1000/60)//60
# delay_min = floor(ns_start/1000/60)%60)
# delay_sec = (ns_start/1000/60)%60 - delay_min) * 60
# timestamp = 0
# d = datetime.timedelta(seconds=ns_start)
# new_timestamp = timestamp+d
# record_day = datetime.datetime(2018,12,1)
# day_of_year = (record_day - datetime.datetime(record_day.year, 1, 1)).days + 1
# #print(day_of_year)
# STH['YearDataRecorded'] = np.ones((ntr,), dtype = np.float) * 2018.0
# STH['DayOfYear'] = np.ones((ntr,), dtype = np.float) * day_of_year
# STH['HourOfDay'] = np.ones((ntr,), dtype = np.float) * new_timestamp.hour
# STH['MinuteOfHour'] = np.ones((ntr,), dtype = np.float) * new_timestamp.minute
# STH['SecondOfMinute'] = np.ones((ntr,), dtype = np.float) * new_timestamp.second
# base_name = new_timestamp.strftime("%Y%m%d_%H%M%S")
# write SEG-Y file to disk
segy = pssegy.Segy(trace, SH, STH)
segy.toSegyFile(filename)
def convert2segy(outfile, filelist, rcvlist, args):
i = 0
data = None
inds = [0] # rcvlist effective
for filename, rcvname in zip(filelist, rcvlist):
with open(filename, 'rb') as f:
traces = parseDataBuffer(f, dsf=args['dsf'])
#print(traces.shape)
if i == 0:
data = traces.copy()
else:
ld = data.shape[0]
lt = traces.shape[0]
if ld == lt:
data = np.concatenate((data, traces), axis=1)
inds.append(i)
i += 1
## prepare SEGY header
dt = args['dt']
ns, ntr = data.shape
rcvs = np.array(rcvlist)[inds]
SH = pssegy.getDefaultSegyHeader(ntr, ns, dt)
STH = pssegy.getDefaultSegyTraceHeaders(ntr, ns, dt)
STH['TraceIdentificationCode'][0:ntr:3] = 14.0
STH['TraceIdentificationCode'][1:ntr:3] = 13.0
STH['TraceIdentificationCode'][2:ntr:3] = 12.0
STH['Inline3D'] = np.repeat(rcvs, 3)
# STH['Inline3D'][0:int(ntr/3)] = rcvs
# STH['Inline3D'][int(ntr/3): 2*int(ntr/3)] = rcvs
# STH['Inline3D'][2*int(ntr/3): 3*int(ntr/3)] = rcvs
# deal with date time
# basename = os.path.basename(outfile)
# fname = os.path.splitext(basename)[0]
fname = '20191126_000000'
ymd_hms = fname.split('_')
ymd = ymd_hms[0]
hms = ymd_hms[1]
yy = int(float(ymd[:4]))
mm = int(float(ymd[4:6]))
dd = int(float(ymd[6:]))
hour = int(float(hms[:2]))
minute = int(float(hms[2:4]))
second = 0
record_day = datetime.datetime(yy, mm, dd)
day_of_year = (record_day -
datetime.datetime(record_day.year, 1, 1)).days + 1
#print(day_of_year)
STH['YearDataRecorded'] = np.ones((ntr, ), dtype=np.float) * 2018.0
STH['DayOfYear'] = np.ones((ntr, ), dtype=np.float) * day_of_year
STH['HourOfDay'] = np.ones((ntr, ), dtype=np.float) * hour
STH['MinuteOfHour'] = np.ones((ntr, ), dtype=np.float) * minute
STH['SecondOfMinute'] = np.ones((ntr, ), dtype=np.float) * second
# write SEG-Y file to disk
segy = pssegy.Segy(data, SH, STH)
segy.toSegyFile(outfile)
print(outfile, ' written[OK].')
self.fileComboBox.currentIndexChanged.connect(self.selectionChanged)
def selectionChanged(self):
self.currentIndex = self.fileComboBox.currentIndex()
self.currentFile = self.fileList[self.currentIndex]
self.parent.updateAll(self.currentFile)
def onPrevious(self):
if self.currentFile != 0:
self.currentIndex -= 1
self.fileComboBox.setCurrentIndex(self.currentIndex)
def onNext(self):
if self.currentFile != self.indexMax:
self.currentIndex += 1
self.fileComboBox.setCurrentIndex(self.currentIndex)
if __name__ == "__main__":
qapp = QApplication(sys.argv)
app = EventPicker()
filename = 'xx' # replace this with your .sgy file
segy = pssegy.Segy(filename)
app.setSegy(segy)
app.initPlot()
app.show()
qapp.exec_()
