cleaned up surveyUtils

This commit is contained in:
Marcel Paffrath 2015-10-01 11:32:28 +02:00
parent 3e7e693a66
commit 4399004277

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@ -1,48 +1,5 @@
import numpy as np
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()
@ -53,11 +10,6 @@ def readParameters(parfile, parameter):
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):
dists = []
picks = []
@ -79,7 +31,6 @@ 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)
@ -98,78 +49,8 @@ def setFittedSNR(shot_dict, shiftdist = 5, p1 = 0.004, p2 = -0.004):
shot.setSNRthreshold(traceID, 1/(fit_fn(shot.getDistance(traceID) + shiftdist)**2)) ### s.o.
print "\nsetFittedSNR: 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].
'''
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
@ -180,7 +61,6 @@ def findTracesInRanges(shot_dict, distancebin, pickbin):
:param: pickbin
:type: tuple, (t1[s], t2[s])
'''
shots_found = {}
for shot in shot_dict.values():