added shifting of SNR threshold along y axis
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@ -14,7 +14,7 @@ def setArtificialPick(shot_dict, traceID, pick):
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shot.setPick(traceID, pick)
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shot.setPickwindow(traceID, shot.getCut())
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def fitSNR4dist(shot_dict, shiftdist = 5):
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def fitSNR4dist(shot_dict, shiftdist = 5, shiftSNR = 3):
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import numpy as np
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dists = []
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picks = []
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@ -32,7 +32,7 @@ def fitSNR4dist(shot_dict, shiftdist = 5):
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fit_fn = np.poly1d(fit)
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for dist in dists:
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dist += shiftdist
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snrthresholds.append(1/(fit_fn(dist)**2))
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snrthresholds.append((1/(fit_fn(dist)**2)) - shiftSNR)
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plotFittedSNR(dists, snrthresholds, snrs)
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return fit_fn #### ZU VERBESSERN, sollte fertige funktion wiedergeben
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@ -47,13 +47,18 @@ def plotFittedSNR(dists, snrthresholds, snrs):
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plt.ylabel('SNR')
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plt.legend()
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def setFittedSNR(shot_dict, shiftdist = 5, p1 = 0.004, p2 = -0.004):
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def setFittedSNR(shot_dict, shiftdist = 5, shiftSNR = 3, p1 = 0.004, p2 = -0.0007):
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import numpy as np
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#fit_fn = fitSNR4dist(shot_dict)
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fit_fn = np.poly1d([p1, p2])
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for shot in shot_dict.values():
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for traceID in shot.getTraceIDlist(): ### IMPROVE
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shot.setSNRthreshold(traceID, 1/(fit_fn(shot.getDistance(traceID) + shiftdist)**2)) ### s.o.
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snrthreshold = (1/(fit_fn(shot.getDistance(traceID) + shiftdist)**2)) - shiftSNR
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if snrthreshold < 0:
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print('WARNING: SNR threshold %s lower 0!!! Try to lower the shiftSNR'
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%snrthreshold)
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break
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shot.setSNRthreshold(traceID, snrthreshold)
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print "setFittedSNR: Finished setting of fitted SNR-threshold"
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