Merge using remote to resolve conflicts

This commit is contained in:
Sebastian Wehling-Benatelli 2015-10-18 21:23:09 +02:00
parent 4109696800
commit b49206407a
2 changed files with 194 additions and 56 deletions

View File

@ -44,14 +44,14 @@ class SeismicShot(object):
removed = []
for i in range(0, len(coordlist)):
traceIDs.append(int(coordlist[i].split()[0]))
for trace in self.traces:
try:
traceIDs.index(int(trace.stats.channel))
except:
self.traces.remove(trace)
self.traces.remove(trace)
removed.append(int(trace.stats.channel))
if len(removed) > 0:
return removed
@ -59,7 +59,7 @@ class SeismicShot(object):
for trace in self.traces:
if traceID == trace.stats.channel:
self.traces.remove(trace)
# for traceID in TraceIDs:
# traces = [trace for trace in self.traces if int(trace.stats.channel) == traceID]
# if len(traces) is not 1:
@ -147,10 +147,10 @@ class SeismicShot(object):
def getPickError(self, traceID):
pickerror = abs(self.getEarliest(traceID) - self.getLatest(traceID))
if np.isnan(pickerror) == True:
if np.isnan(pickerror) == True:
print("SPE is NaN for shot %s, traceID %s"%(self.getShotnumber(), traceID))
return pickerror
return pickerror
def getStreamTraceIDs(self):
traceIDs = []
for trace in self.traces:
@ -172,15 +172,15 @@ class SeismicShot(object):
def getPickwindow(self, traceID):
try:
self.pickwindow[traceID]
self.pickwindow[traceID]
except KeyError as e:
print('no pickwindow for trace %s, set to %s' % (traceID, self.getCut()))
self.setPickwindow(traceID, self.getCut())
return self.pickwindow[traceID]
def getSNR(self, traceID):
return self.snr[traceID]
def getSNRthreshold(self, traceID):
return self.snrthreshold[traceID]
@ -257,16 +257,20 @@ class SeismicShot(object):
else:
self.setPick(traceID, None)
print('Warning: ambigious or empty traceID: %s' % traceID)
#raise ValueError('ambigious or empty traceID: %s' % traceID)
def pickTraces(self, traceID, windowsize, folm = 0.6, HosAic = 'hos'): ########## input variables ##########
def pickTraces(self, traceID, pickmethod, windowsize, folm = 0.6, HosAic = 'hos'): ########## input variables ##########
# LOCALMAX NOT IMPLEMENTED!
'''
Intitiate picking for a trace.
:param: traceID
:type: int
:param: pickmethod, use either 'threshold' or 'localmax' method. (localmax not yet implemented 04_08_15)
:type: string
:param: cutwindow (equals HOScf 'cut' variable)
:type: tuple
@ -290,7 +294,13 @@ class SeismicShot(object):
self.timeArray[traceID] = hoscf.getTimeArray()
aiccftime, hoscftime = self.threshold(hoscf, aiccf, windowsize, self.getPickwindow(traceID), folm)
if pickmethod == 'threshold':
aiccftime, hoscftime = self.threshold(hoscf, aiccf, windowsize, self.getPickwindow(traceID), folm)
#setpick = {'threshold':self.threshold,
# 'localmax':self.localmax}
#aiccftime, hoscftime = setpick[pickmethod](hoscf, aiccf, windowsize, pickwindow)
setHosAic = {'hos': hoscftime,
'aic': aiccftime}
@ -303,15 +313,15 @@ class SeismicShot(object):
tsignal = self.getTsignal()
tnoise = self.getPick(traceID) - tgap
(self.earliest[traceID], self.latest[traceID], tmp) = earllatepicker(self.getSingleStream(traceID),
nfac, (tnoise, tgap, tsignal),
(self.earliest[traceID], self.latest[traceID], tmp) = earllatepicker(self.getSingleStream(traceID),
nfac, (tnoise, tgap, tsignal),
self.getPick(traceID))
def threshold(self, hoscf, aiccf, windowsize, pickwindow, folm = 0.6):
'''
Threshold picker, using the local maximum in a pickwindow to find the time at
Threshold picker, using the local maximum in a pickwindow to find the time at
which a fraction of the local maximum is reached for the first time.
:param: hoscf, Higher Order Statistics Characteristic Function
:type: 'Characteristic Function'
@ -337,34 +347,34 @@ class SeismicShot(object):
threshold = folm * max(hoscflist[leftb : rightb]) # combination of local maximum and threshold
m = leftb
while hoscflist[m] < threshold:
m += 1
hoscftime = list(hoscf.getTimeArray())[m]
lb = max(0, m - windowsize[0]) # if window exceeds t = 0
aiccfcut = list(aiccf.getCF())[lb : m + windowsize[1]]
n = aiccfcut.index(min(aiccfcut))
m = lb + n
aiccftime = list(hoscf.getTimeArray())[m]
return aiccftime, hoscftime
def getDistance(self, traceID):
'''
Returns the distance of the receiver with the ID == traceID to the source location (shot location).
Uses getSrcLoc and getRecLoc.
:param: traceID
:type: int
'''
shotX, shotY, shotZ = self.getSrcLoc()
recX, recY, recZ = self.getRecLoc(traceID)
dist = np.sqrt((shotX-recX)**2 + (shotY-recY)**2 + (shotZ-recZ)**2)
if np.isnan(dist) == True:
raise ValueError("Distance is NaN for traceID %s" %traceID)
@ -375,7 +385,7 @@ class SeismicShot(object):
'''
Returns the location (x, y, z) of the receiver with the ID == traceID.
RECEIVEIVER FILE MUST BE SET FIRST, TO BE IMPROVED.
:param: traceID
:type: int
'''
@ -389,7 +399,7 @@ class SeismicShot(object):
y = coordlist[i].split()[2]
z = coordlist[i].split()[3]
return float(x), float(y), float(z)
#print "WARNING: traceID %s not found" % traceID
raise ValueError("traceID %s not found" % traceID)
#return float(self.getSingleStream(traceID)[0].stats.seg2['RECEIVER_LOCATION'])
@ -412,7 +422,7 @@ class SeismicShot(object):
'''
Returns the traceID(s) for a certain distance between source and receiver.
Used for 2D Tomography. TO BE IMPROVED.
:param: distance
:type: real
@ -437,7 +447,7 @@ class SeismicShot(object):
def setManualPicks(self, traceID, picklist): ########## picklist momentan nicht allgemein, nur testweise benutzt ##########
'''
Sets the manual picks for a receiver with the ID == traceID for comparison.
:param: traceID
:type: int
@ -452,15 +462,15 @@ class SeismicShot(object):
if not self.manualpicks.has_key(traceID):
self.manualpicks[traceID] = (mostlikely, earliest, latest)
#else:
# raise KeyError('MANUAL pick to be set more than once for traceID %s' % traceID)
# raise KeyError('MANUAL pick to be set more than once for traceID %s' % traceID)
def setPick(self, traceID, pick): ########## siehe Kommentar ##########
self.pick[traceID] = pick
# ++++++++++++++ Block raus genommen, da Error beim 2ten Mal picken! (Ueberschreiben von erstem Pick!)
# if not self.pick.has_key(traceID):
# self.getPick(traceID) = picks
# else:
# raise KeyError('pick to be set more than once for traceID %s' % traceID)
# raise KeyError('pick to be set more than once for traceID %s' % traceID)
# def readParameter(self, parfile):
# parlist = open(parfile,'r').readlines()
@ -474,12 +484,13 @@ class SeismicShot(object):
def setSNR(self, traceID): ########## FORCED HOS PICK ##########
'''
Gets the SNR using pylot and then sets the SNR for the traceID.
:param: traceID
:type: int
:param: (tnoise, tgap, tsignal), as used in pylot SNR
'''
from pylot.core.pick.utils import getSNR
tgap = self.getTgap()
@ -509,7 +520,7 @@ class SeismicShot(object):
# def plot2dttc(self, dist_med = 0): ########## 2D ##########
# '''
# Function to plot the traveltime curve for automated picks (AIC & HOS) of a shot. 2d only!
# :param: dist_med (optional)
# :type: 'dictionary'
# '''
@ -517,7 +528,7 @@ class SeismicShot(object):
# plt.interactive('True')
# aictimearray = []
# hostimearray = []
# if dist_med is not 0:
# if dist_med is not 0:
# dist_medarray = []
# i = 1
@ -573,14 +584,14 @@ class SeismicShot(object):
import matplotlib.pyplot as plt
from pylot.core.util.utils import getGlobalTimes
from pylot.core.util.utils import prepTimeAxis
stream = self.getSingleStream(traceID)
stime = getGlobalTimes(stream)[0]
timeaxis = prepTimeAxis(stime, stream[0])
timeaxis = prepTimeAxis(stime, stream[0])
timeaxis -= stime
plt.interactive('True')
hoscf = self.getHOScf(traceID)
aiccf = self.getAICcf(traceID)
@ -588,16 +599,16 @@ class SeismicShot(object):
ax1 = plt.subplot(2,1,1)
plt.title('Shot: %s, traceID: %s, pick: %s' %(self.getShotnumber(), traceID, self.getPick(traceID)))
ax1.plot(timeaxis, stream[0].data, 'k', label = 'trace')
ax1.plot([self.getPick(traceID), self.getPick(traceID)],
[min(stream[0].data),
ax1.plot([self.getPick(traceID), self.getPick(traceID)],
[min(stream[0].data),
max(stream[0].data)],
'r', label = 'mostlikely')
plt.legend()
ax2 = plt.subplot(2,1,2, sharex = ax1)
ax2.plot(hoscf.getTimeArray(), hoscf.getCF(), 'b', label = 'HOS')
ax2.plot(hoscf.getTimeArray(), aiccf.getCF(), 'g', label = 'AIC')
ax2.plot([self.getPick(traceID), self.getPick(traceID)],
[min(np.minimum(hoscf.getCF(), aiccf.getCF())),
ax2.plot([self.getPick(traceID), self.getPick(traceID)],
[min(np.minimum(hoscf.getCF(), aiccf.getCF())),
max(np.maximum(hoscf.getCF(), aiccf.getCF()))],
'r', label = 'mostlikely')
ax2.plot([0, self.getPick(traceID)],
@ -605,7 +616,7 @@ class SeismicShot(object):
'm:', label = 'folm = %s' %folm)
plt.xlabel('Time [s]')
plt.legend()
def plot3dttc(self, step = 0.5, contour = False, plotpicks = False, method = 'linear', ax = None):
'''
Plots a 3D 'traveltime cone' as surface plot by interpolating on a regular grid over the traveltimes, not yet regarding the vertical offset of the receivers.
@ -644,7 +655,7 @@ class SeismicShot(object):
if ax == None:
fig = plt.figure()
ax = plt.axes(projection = '3d')
xsrc, ysrc, zsrc = self.getSrcLoc()
if contour == True:
@ -656,12 +667,12 @@ class SeismicShot(object):
if plotpicks == True:
ax.plot(x, y, z, 'k.')
def plotttc(self, method, *args):
plotmethod = {'2d': self.plot2dttc, '3d': self.plot3dttc}
plotmethod[method](*args)
def matshow(self, step = 0.5, method = 'linear', ax = None, plotRec = False, annotations = False):
'''
Plots a 2D matrix of the interpolated traveltimes. This needs less performance than plot3dttc
@ -701,7 +712,7 @@ class SeismicShot(object):
ax = plt.axes()
ax.imshow(zgrid, interpolation = 'none', extent = [min(x), max(x), min(y), max(y)])
if annotations == True:
for i, traceID in enumerate(self.pick.keys()):
if shot.picks[traceID] != None:

View File

@ -1,19 +1,69 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import numpy as np
from pylab import *
startpos = []
endpos = []
def generateSurvey(obsdir, shotlist):
from obspy.core import read
from pylot.core.active import seismicshot
shot_dict = {}
for shotnumber in shotlist: # loop over data files
# generate filenames and read manual picks to a list
obsfile = obsdir + str(shotnumber) + '_pickle.dat'
#obsfile = obsdir + str(shotnumber) + '.dat'
if not obsfile in shot_dict.keys():
shot_dict[shotnumber] = []
shot_dict[shotnumber] = seismicshot.SeismicShot(obsfile)
shot_dict[shotnumber].setParameters('shotnumber', shotnumber)
return shot_dict
def setParametersForShots(cutwindow, tmovwind, tsignal, tgap, receiverfile, sourcefile, shot_dict):
for shot in shot_dict.values():
shot.setCut(cutwindow)
shot.setTmovwind(tmovwind)
shot.setTsignal(tsignal)
shot.setTgap(tgap)
shot.setRecfile(receiverfile)
shot.setSourcefile(sourcefile)
shot.setOrder(order = 4)
def removeEmptyTraces(shot_dict):
filename = 'removeEmptyTraces.out'
filename2 = 'updateTraces.out'
outfile = open(filename, 'w')
outfile2 = open(filename2, 'w')
for shot in shot_dict.values():
del_traceIDs = shot.updateTraceList()
removed = shot.removeEmptyTraces()
if removed is not None:
outfile.writelines('shot: %s, removed empty traces: %s\n' %(shot.getShotnumber(), removed))
outfile2.writelines('shot: %s, removed traceID(s) %s because they were not found in the corresponding stream\n' %(shot.getShotnumber(), del_traceIDs))
print '\nremoveEmptyTraces, updateTraces: Finished! See %s and %s for more information of removed traces.\n' %(filename, filename2)
outfile.close()
outfile2.close()
def readParameters(parfile, parameter):
from ConfigParser import ConfigParser
parameterConfig = ConfigParser()
parameterConfig.read('parfile')
value = parameterConfig.get('vars', parameter).split('#')[0]
value = value.replace(" ", "")
value = parameterConfig.get('vars', parameter).split('\t')[0]
return value
def setArtificialPick(shot_dict, traceID, pick):
for shot in shot_dict.values():
shot.setPick(traceID, pick)
shot.setPickwindow(traceID, shot.getCut())
def fitSNR4dist(shot_dict, shiftdist = 5):
import numpy as np
dists = []
picks = []
snrs = []
@ -34,6 +84,7 @@ def fitSNR4dist(shot_dict, shiftdist = 5):
plotFittedSNR(dists, snrthresholds, snrs)
return fit_fn #### ZU VERBESSERN, sollte fertige funktion wiedergeben
def plotFittedSNR(dists, snrthresholds, snrs):
import matplotlib.pyplot as plt
plt.interactive(True)
@ -45,25 +96,98 @@ def plotFittedSNR(dists, snrthresholds, snrs):
plt.legend()
def setFittedSNR(shot_dict, shiftdist = 5, p1 = 0.004, p2 = -0.004):
import numpy as np
#fit_fn = fitSNR4dist(shot_dict)
fit_fn = np.poly1d([p1, p2])
for shot in shot_dict.values():
for traceID in shot.getTraceIDlist(): ### IMPROVE
shot.setSNRthreshold(traceID, 1/(fit_fn(shot.getDistance(traceID) + shiftdist)**2)) ### s.o.
print "\nsetFittedSNR: Finished setting of fitted SNR-threshold"
print "setFittedSNR: Finished setting of fitted SNR-threshold"
#def linearInterp(dist_med, dist_start
def exportFMTOMO(shot_dict, directory = 'FMTOMO_export', sourcefile = 'input_sf.in', ttFileExtension = '.tt'):
count = 0
fmtomo_factor = 1000 # transforming [m/s] -> [km/s]
LatAll = []; LonAll = []; DepthAll = []
srcfile = open(directory + '/' + sourcefile, 'w')
srcfile.writelines('%10s\n' %len(shot_dict)) # number of sources
for shotnumber in getShotlist(shot_dict):
shot = getShotForShotnumber(shot_dict, shotnumber)
ttfilename = str(shotnumber) + ttFileExtension
(x, y, z) = shot.getSrcLoc() # getSrcLoc returns (x, y, z)
srcfile.writelines('%10s %10s %10s\n' %(getAngle(y), getAngle(x), (-1)*z)) # lat, lon, depth
LatAll.append(getAngle(y)); LonAll.append(getAngle(x)); DepthAll.append((-1)*z)
srcfile.writelines('%10s\n' %1) #
srcfile.writelines('%10s %10s %10s\n' %(1, 1, ttfilename))
ttfile = open(directory + '/' + ttfilename, 'w')
traceIDlist = shot.getTraceIDlist()
traceIDlist.sort()
ttfile.writelines(str(countPickedTraces(shot)) + '\n')
for traceID in traceIDlist:
if shot.getPick(traceID) is not None:
pick = shot.getPick(traceID) * fmtomo_factor
delta = shot.getPickError(traceID) * fmtomo_factor
(x, y, z) = shot.getRecLoc(traceID)
ttfile.writelines('%20s %20s %20s %10s %10s\n' %(getAngle(y), getAngle(x), (-1)*z, pick, delta))
LatAll.append(getAngle(y)); LonAll.append(getAngle(x)); DepthAll.append((-1)*z)
count += 1
ttfile.close()
srcfile.close()
print 'Wrote output for %s traces' %count
print 'WARNING: output generated for FMTOMO-obsdata. Obsdata seems to take Lat, Lon, Depth and creates output for FMTOMO as Depth, Lat, Lon'
print 'Dimensions of the seismic Array, transformed for FMTOMO, are Depth(%s, %s), Lat(%s, %s), Lon(%s, %s)'%(
min(DepthAll), max(DepthAll), min(LatAll), max(LatAll), min(LonAll), max(LonAll))
def getShotlist(shot_dict):
shotlist = []
for shot in shot_dict.values():
shotlist.append(shot.getShotnumber())
shotlist.sort()
return shotlist
def getShotForShotnumber(shot_dict, shotnumber):
for shot in shot_dict.values():
if shot.getShotnumber() == shotnumber:
return shot
def getAngle(distance):
'''
Function returns the angle on a Sphere of the radius R = 6371 [km] for a distance [km].
'''
import numpy as np
PI = np.pi
R = 6371.
angle = distance * 180 / (PI * R)
return angle
def countPickedTraces(shot):
numtraces = 0
for traceID in shot.getTraceIDlist():
if shot.getPick(traceID) is not None:
numtraces += 1
print "countPickedTraces: Found %s picked traces in shot number %s" %(numtraces, shot.getShotnumber())
return numtraces
def countAllPickedTraces(shot_dict):
traces = 0
for shot in shot_dict.values():
traces += countPickedTraces(shot)
return traces
def findTracesInRanges(shot_dict, distancebin, pickbin):
'''
Returns traces corresponding to a certain area in a plot with all picks over the distances.
:param: shot_dict, dictionary containing all shots that are used
:type: dictionary
:param: distancebin
:type: tuple, (dist1[m], dist2[m])
:param: pickbin
:type: tuple, (t1[s], t2[s])
'''
shots_found = {}
for shot in shot_dict.values():
@ -75,3 +199,6 @@ def findTracesInRanges(shot_dict, distancebin, pickbin):
shots_found[shot.getShotnumber()].append(traceID)
return shots_found