rayt2d_mod - Raytracing utility from Seismic Unix modified to calculate 2-way times for defined reflectors

From seismic unix package

Copyright (c) Colorado School of Mines, 2011.

All rights reserved.

Getting Started

In order to run and compile You should meet these basic criteria:

Prerequisites

Ubuntu 18.04.1 or later

gcc 7.3.0 or later

Compiling

You need to download a repository and edit Compile.sh with correct path to source code and linked libraries:

 gcc -I./path/to/folder/with/headers -L./path/to/folder/with/libraries \
 /path/to/source/code/rayt2d_mod.c -lpar -lcwp -lm \
 -o /path/for/compiled/programme/rayt2d_mod

Running

Use just name of the program (rayt2d_mod) to bring internal help file

Example of running script for OBS data is in \scripts\Run.sh

Acknowledgments

Author: Zhenyue Liu, 10/11/94, Colorado School of Mines

Trino Salinas, 01/01/96 included the option to handle nonflat reference surfaces.

Subroutines from Dave Hale's modeling library were adapted in this code to define topography using cubic splines.

References:

Beydoun, W. B., and Keho, T. H., 1987, The paraxial ray method: Geophysics, vol. 52, 1639-1653.

Cerveny, V., 1985, The application of ray tracing to the numerical modeling of seismic wavefields in complex structures, in Dohr, G., ED., Seismic shear waves (part A: Theory): Geophysical Press, Number 15 in Handbook of Geophysical Exploration, 1-124.