def main(sgy_file, station_file, output_dir_base):
print('PROCESSING segy file ' + sgy_file)
# Find starting date of SEGY file and initialize streams
for trace in iread_segy(sgy_file):
previous_date1 = trace.stats.endtime.date
break
previous_date2 = previous_date1
previous_date3 = previous_date1
comp1 = Stream()
comp2 = Stream()
comp3 = Stream()
# Loop over traces and merge
for trace in iread_segy(sgy_file):
# Get date and channel of current trace
current_comp = trace.stats.segy.trace_header.trace_sequence_number_within_line
# Check if there are any gaps. If yes, fill with 0's
if isinstance(trace.data, np.ma.masked_array):
trace.data = trace.data.filled()
# 1st component
if current_comp == 1: # DPZ
comp1, previous_date1 = add_trace(trace,
day_stream=comp1,
previous_date=previous_date1,
station_file=station_file,
segy_filepath=sgy_file,
output_dir=output_dir_base)
# 2nd component
elif current_comp == 2: # DP1
comp2, previous_date2 = add_trace(trace,
day_stream=comp2,
previous_date=previous_date2,
station_file=station_file,
segy_filepath=sgy_file,
output_dir=output_dir_base)
# 3rd component
elif current_comp == 3: # DP2
comp3, previous_date3 = add_trace(trace,
day_stream=comp3,
previous_date=previous_date3,
station_file=station_file,
segy_filepath=sgy_file,
output_dir=output_dir_base)
else: # Something's wrong
raise NameError('Unrecognized sequence number')
def findMinBound():
for index, tr in enumerate(iread_segy(segyFile)):
rowNumber = index // colCount
colNumber = index % colCount
xCoor = xStart + xySection * colNumber
yCoor = yStart + xySection * rowNumber
if math.fabs(yCoor - minNorthing) < 25:
logging.info(str(yCoor))
def createTraceCollection():
trace.drop()
for index, tr in enumerate(iread_segy(segyFile)):
logging.info(index)
colNumber = (index % yDepth)
rowNumber = ((index // yDepth))
xCoor = xStart + xySection * colNumber
yCoor = yStart + xySection * rowNumber
trace.insert_one({"x": xCoor, "y": yCoor, "z": (tr.data).tolist()})
def test_iterative_reading(self):
"""
Tests iterative reading.
"""
# Read normally.
filename = os.path.join(self.path, 'example.y_first_trace')
st = obspy.read(filename, unpack_trace_headers=True)
# Read iterative.
ist = [_i for _i in iread_segy(filename, unpack_headers=True)]
del ist[0].stats.segy.textual_file_header
del ist[0].stats.segy.binary_file_header
del ist[0].stats.segy.textual_file_header_encoding
del ist[0].stats.segy.data_encoding
del ist[0].stats.segy.endian
self.assertEqual(st.traces, ist)
def test_iterative_reading(self):
"""
Tests iterative reading.
"""
# Read normally.
filename = os.path.join(self.path, 'example.y_first_trace')
st = obspy.read(filename, unpack_trace_headers=True)
# Read iterative.
ist = [_i for _i in iread_segy(filename, unpack_headers=True)]
del ist[0].stats.segy.textual_file_header
del ist[0].stats.segy.binary_file_header
del ist[0].stats.segy.textual_file_header_encoding
del ist[0].stats.segy.data_encoding
del ist[0].stats.segy.endian
self.assertEqual(st.traces, ist)
def createZCollection():
batchSize = 50
for level in range(0, zDepth, batchSize):
zArrays = []
for i in range(batchSize):
zArrays.append([])
cur = time.time()
logging.info(level)
for index, tr in enumerate(iread_segy(segyFile)):
rowNumber = index // yDepth
colNumber = index % yDepth
if colNumber == 0:
for i in range(batchSize):
zArrays[i].append([])
for i in range(batchSize):
zArrays[i][rowNumber].append(float(tr.data[level + i]))
logging.info(time.time() - cur)
for i in range(batchSize):
zCollection.insert_one({"z": zArrays[i], "level": level + i})
from itertools import islice
from obspy.io.segy.segy import iread_segy
import csv
from global_variable import *
from pymongo import MongoClient
import logging
import pymongo
import time
min = 0
max = 0
for index, tr in enumerate(iread_segy(segyFile)):
for value in tr.data:
if value > max:
max = value
if value < min:
min = value
print(min, max)