1.7 KiB
ascii2segy
usage: ascii2segy.py [-h] [-o OUTFILE] [-s SAMPLE_RATE] [-m MAX_TIME] [--dtype DTYPE] [-d SEISMIC_DIMENSIONS] [-e] [-v VERBOSITY] [-t] infile
ascii2segy
This script uses segpy-rewrite to convert velf ascii files to segy files. Please use 64 bit python for large files as data is loaded into memory.
Run with -h to get more information on parameters.
Outputs
A segy file containing the velocities from the input ascii file.
Inputs
Example input file format:
###############################################################################
#BEGIN HEADER
#X
#Y
#Z (time)
#FLOAT "Stacking Velocity"
#FLOAT "XLINE"
#FLOAT "INLINE"
#END HEADER
7618446.0 141544.0 0.0 1510.0 10040.0 2060
7618446.0 141544.0 40.0 1510.0 10040.0 2060
7618446.0 141544.0 80.0 1510.0 10040.0 2060
Examples
ascii2segy.py test.csv -o test.sgy ascii2segy.py -h ascii2segy.py test.csv -s 40 -m 5000 -c 15 -n 4 -d 2 -v 3 -e 1
Installation
Make sure you have 64bit python 3.3 installation Install the requirements listed in requirements.txt. Note that this uses segpy 2.0.0a2 from github.com/rob-smallshire/segpy which you can install using the command below:
pip install git+git://github.com/sixty-north/segpy/tree/91562fddfd6d8424ee4161f4417982243512c150
In a command propmt with python64 3.3 install and test:
pip install -r requirements.txt
python ascii2segy.py ./test_data/test_input.tsv
License
This inherits it's license from segpy