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read_arrivals_asc.py
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read_arrivals_asc.py
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from numpy import *
def read_arrivals_asc(filename=None):
#*******************************************************************************
# Faro, Seg 11 Abr 2022 12:50:20 WEST
# Written by Orlando Camargo Rodriguez
# Based on read_arrivals_asc.m by Michael Porter
#*******************************************************************************
Arr = []
Pos = []
Narrmx = 100
maxnarr = 0
fid = open(filename,'r')
flag = str( fid.readline() )
if flag[2] == '2':
freq = float( fid.readline() )
theline = str( fid.readline() )
datai = theline.split()
Nsz = int( datai[0] )
source_depths = zeros(Nsz)
for i in range(Nsz):
source_depths[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nrz = int( datai[0] )
receiver_depths = zeros(Nrz)
for i in range(Nrz):
receiver_depths[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nrr = int( datai[0] )
receiver_ranges = zeros(Nrr)
for i in range(Nrr):
receiver_ranges[i] = float( datai[i+1] )
Narr = zeros( (Nrr, Nrz, Nsz) )
A = zeros( (Nrr, Narrmx, Nrz, Nsz) ) + 1j*zeros( (Nrr, Narrmx, Nrz, Nsz) )
delay = zeros( (Nrr, Narrmx, Nrz, Nsz) ) + 1j*zeros( (Nrr, Narrmx, Nrz, Nsz) )
SrcAngle = zeros( (Nrr, Narrmx, Nrz, Nsz) )
RcvrAngle = zeros( (Nrr, Narrmx, Nrz, Nsz) )
NumTopBnc = zeros( (Nrr, Narrmx, Nrz, Nsz) )
NumBotBnc = zeros( (Nrr, Narrmx, Nrz, Nsz) )
for isd in range(Nsz):
Narrmx2 = int( fid.readline() )
for ird in range(Nrz):
for irr in range(Nrr):
narr = int( fid.readline() )
Narr[ irr, ird, isd ] = narr
maxnarr = max( narr, maxnarr )
if narr > 0:
narr = min( narr, Narrmx )
for k in range(narr):
theline = str( fid.readline() )
datai = theline.split()
amp = float( datai[0] )
phase = float( datai[1] )
A[ irr, k, ird, isd ] = amp*exp( 1j*phase*pi/180.0 )
rtau = float( datai[2] )
itau = float( datai[3] )
delay[ irr, k, ird, isd ] = rtau + 1j*itau
source_angle = float( datai[4] )
SrcAngle[ irr, k, ird, isd ] = source_angle
receiver_angle = float( datai[5] )
RcvrAngle[ irr, k, ird, isd ] = receiver_angle
bounces = int( datai[6] )
NumTopBnc[ irr, k, ird, isd ] = bounces
bounces = int( datai[7] )
NumBotBnc[ irr, k, ird, isd ] = bounces
A = A[ :,0:maxnarr,:,:]
delay = delay[ :,0:maxnarr,:,:]
SrcAngle = SrcAngle[ :,0:maxnarr,:,:]
RcvrAngle = RcvrAngle[:,0:maxnarr,:,:]
NumTopBnc = NumTopBnc[:,0:maxnarr,:,:]
NumBotBnc = NumBotBnc[:,0:maxnarr,:,:]
Pos = {'freq':freq,'source_depths':source_depths,'receiver_depths':receiver_depths,'receiver_ranges':receiver_ranges}
Arr = {'Narr':Narr,'A':A,'delay':delay,'SrcAngle':SrcAngle,'RcvrAngle':RcvrAngle,'NumTopBnc':NumTopBnc,'NumBotBnc':NumBotBnc}
else:
freq = float( fid.readline() )
theline = str( fid.readline() )
datai = theline.split()
Nsx = int( datai[0] )
sourcex = zeros(Nsx)
for i in range(Nsx):
sourcex[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nsy = int( datai[0] )
sourcey = zeros(Nsy)
for i in range(Nsy):
sourcey[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nsz = int( datai[0] )
sourcez = zeros(Nsz)
for i in range(Nsz):
sourcez[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nrz = int( datai[0] )
receiver_depths = zeros(Nrz)
for i in range(Nrr):
receiver_depths[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nrr = int( datai[0] )
receiver_ranges = zeros(Nrr)
for i in range(Nrr):
receiver_ranges[i] = float( datai[i+1] )
theline = str( fid.readline() )
datai = theline.split()
Nrtheta = int( datai[0] )
receiver_thetas = zeros(Nrtheta)
for i in range(Nrtheta):
receiver_thetas[i] = float( datai[i+1] )
Narr = zeros( (Nrr, Nrz, Nrtheta, Nsz) )
A = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) ) + 1j*zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
delay = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) ) + 1j*zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
SrcDeclAngle = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
SrcAzimAngle = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
RcvrDeclAngle= zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
RcvrAzimAngle= zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
NumTopBnc = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
NumBotBnc = zeros( (Nrr, Narrmx, Nrz, Nrtheta, Nsz) )
for isd in range(Nsz):
Narrmx2 = int( fid.readline() )
for irtheta in range(Nrtheta):
for irz in range(Nrz):
for irr in range(Nrr):
Narr[ irr, ird, irtheta, isd ] = narr
maxnarr = max( narr, maxnarr )
if narr > 0:
narr = min( narr, Narrmx )
for k in range(narr):
theline = str( fid.readline() )
datai = theline.split()
amp = float( datai[0] )
phase = float( datai[1] )
A[ irr, k, ird, irtheta, isd ] = amp*exp( 1j*phase*pi/180.0 )
rtau = float( datai[2] )
itau = float( datai[3] )
delay[ irr, k, ird, irtheta, isd ] = rtau + 1j*itau
theangle = float( datai[4] )
SrcDeclAngle[ irr, k, ird, irtheta, isd ] = theangle
theangle = float( datai[5] )
SrcAzimAngle[ irr, k, ird, irtheta, isd ] = theangle
theangle = float( datai[6] )
RcvrDeclAngle[ irr, k, ird, irtheta, isd ] = theangle
theangle = float( datai[7] )
RcvrAzimAngle[ irr, k, ird, irtheta, isd ] = theangle
bounces = int( datai[8] )
NumTopBnc[ irr, k, ird, irtheta, isd ] = bounces
bounces = int( datai[9] )
NumBotBnc[ irr, k, ird, irtheta, isd ] = bounces
A = A[ :,0:maxnarr,:,:,:]
delay = delay[ :,0:maxnarr,:,:,:]
SrcDeclAngle = SrcDeclAngle[ :,0:maxnarr,:,:,:]
SrcAzimAngle = SrcAzimAngle[ :,0:maxnarr,:,:,:]
RcvrDeclAngle= RcvrDeclAngle[:,0:maxnarr,:,:,:]
RcvrAzimAngle= RcvrAzimAngle[:,0:maxnarr,:,:,:]
NumTopBnc = NumTopBnc[:,0:maxnarr,:,:,:]
NumBotBnc = NumBotBnc[:,0:maxnarr,:,:,:]
Pos = {'freq':freq,'sourcex':sourcex,'sourcey':sourcey,'sourcez':sourcez,'receiver_depths':receiver_depths,'receiver_ranges':receiver_ranges,'receiver_thetas':receiver_thetas}
Arr = {'Narr':Narr,'A':A,'delay':delay,'SrcDeclAngle':SrcDeclAngle,'SrcAzimAngle':SrcAzimAngle,'RcvrDeclAngle':RcvrDeclAngle,'RcvrAzimAngle':RcvrAzimAngle,'NumTopBnc':NumTopBnc,'NumBotBnc':NumBotBnc}
fid.close()
return Arr,Pos