Contents

• Licensing and other Legal Matters
• Acknowledgments
  • In Memoriam
  
  
• Preface
• About SU
  • What SU is
  • What SU is not
  • Obtaining and Installing SU
  
  
• Help facilities
  • SUHELP - List the Executable Programs and Shell Scripts
  • SUNAME - Lists the Name and Short Description of Every Item in SU
  • The Selfdoc - Program Self-Documentation
  • SUDOC - List the Full Online Documentation of any Item in SU
  • SUFIND - Find SU Items with a Given String
    • Getting information about SU programs
  • GENDOCS - An Instant LaTeX Document Containing All Selfdocs
  • Suhelp.html
  • Demos
  • Other Help Mechanisms
  
  
• Core Seismic Unix Programs
  • Reading and Writing Data to and from Tapes
    • The SEGY format and the SU data format
    • SEGYREAD - Getting SEG-Y data into SU
    • SEG-Y abuses
    • SEGYWRITE - Writing an SEGY Tape or Diskfile
    • SEGYHDRS - make SEG-Y ascii and binary headers for segywrite
    • BHEDTOPAR, SETBHED - Editing the binary header file
    • SEGDREAD - Other SEG formats
    • DT1TOSU - Non-SEG tape formats
  • Data Format conversion
    • A2B and B2A - ASCII to Binary, Binary to ASCII
    • FTNSTRIP - Importing Fortran Data to C
    • Going from C to Fortran
    • H2B - Importing 8 Bit Hexidecimal
    • RECAST - Changing Binary Data Types
    • TRANSP - Transposing Binary Data
    • FARITH - Performs simple arithmetic on binary data.
  • Trace Header Manipulation
    • SUADDHEAD - Adding SU Headers to Binary Data
    • SUSTRIP - Strip SU headers SU data
    • SUPASTE - Paste SU Headers on to Binary Data
  • Byte Swapping
    • SWAPBYTES - Swap the Bytes of Binary (non-SU) Data
    • SUSWAPBYTES - Swap the Bytes of SU Data
  • Setting, Editing, and Viewing Trace Header Fields
    • SUADDHEAD - add SU (SEGY-style) Trace Headers
    • SUSTRIP and SUPASTE - Strip and Paste SU Headers
    • SUKEYWORD - See SU Keywords
    • SURANGE - Get the Range of Header Values
    • SUGETHW - Get the Values of Header Words in SU Data
    • SUSHW - Set the Header Words in SU Data
    • Setting Geometry - Converting Observers' Logs to Trace Headers
    • SUCHW - Change (or Compute) Header Words in SU Data
    • SUEDIT and SUXEDIT - Edit the Header Words in SU Data
  
  
• Viewing SU Data in X-Windows and PostScript
  • X-Windows Plotting Programs
    • Plotting General Floating Point Data
    • X-Windows Plotting of SU Data
    • Special Features of X-Windows Programs
    • PostScript Plotting Programs
    • PostScript Plotting of General Floating Point Data
    • PostScript Plotting of SU Data
  • Additional PostScript Support
    • PSBBOX - Changing the BoundingBox
    • PSMERGE, MERGE2, MERGE4 - Merging PostScript Plots
  • Trace Picking Utilities
  • Editing SU Data
    • SUWIND - window traces by key word
    • SUSORT - sort on any SEGY header keywords
    • SURAMP and SUTAPER - tapering data values
    • SUKILL, SUZERO, SUNULL, SUMUTE - zeroing out data
    • SUVCAT and CAT - Concatenating Data
    • SUVLENGTH - Adjust Variable Length Traces to a Common Number of Samples
  
  
• General Operations on SU Data
  • SUADDNOISE - Add noise to SU data
  • SUGAIN - Gaining to SU data
  • SUOP - Unary Arithmetic Operations on SU Data
  • SUOP2 - Binary Operations with SU data
  • Transform and Filtering Operations
    • Fourier Transform Operations
    • 1D Fourier Transforms
    • 2D Fourier Transforms
  • Hilbert Transform, Trace Attributes, and Time-Frequency Domain
  • Radon Transform - Tau_P Filtering
  • 1D Filtering Operations
    • SUFILTER - applies a zero-phase, sine-squared tapered filter
    • SUBFILT - apply Butterworth bandpass filter
    • SUCONV, SUXCOR - convolution, correlation with a user-supplied filter
    • SUPEF - Wiener predictive error filtering
    • SUSHAPE - Wiener shaping filter
    • SURESAMP - Resample Data in Time
  
  
• Seismic Modeling Utilities
  • Background Wavespeed Profiles
  • Uniformly Sampled Models
  • Synthetic Data Generators
  • Delaunay Triangulation
    • Triangulated Model Building
    • Synthetic Seismic Data in Triangulated Media
  • Tetrahedral Methods
  
  
• Seismic Processing Utilities
  • SUSTACK, SURECIP, SUDIVSTACK - Stacking Data
  • SUVELAN, SUNMO - Velocity Analysis and Normal Moveout Correction
  • SUDMOFK, SUDMOTX, SUDMOVZ - Dip Moveout Correction
  • Seismic Migration
    • SUGAZMIG, SUMIGPS, SUMIGPSPI, SUMIGSPLIT - Phase Shift Migration
    • SUKDMIG2D, SUMIGTOPO2D, SUDATUMK2DR, SUDATUMK2DS - 2D Kirchhoff Migration, and Datuming
    • SUMIGFD, SUMIGFFD - Finite-Difference Migration
    • SUMIGTK - Time-Wavenumber Domain Migration
    • SUSTOLT - Stolt Migration
  
  
• Processing Flows with SU
  • SU and UNIX
  • Understanding and using SU shell programs
    • A simple SU processing flow example
    • Executing shell programs
    • A typical SU processing flow
  • Extending SU by shell programming
  
  
• Answers to Frequently Asked Questions
  • Installation questions
  • Data format questions
  • Tape reading and writing
  • Geometry Setting
  • Technical Questions
  • General
  
  
• How to Write an SU Program
  • Setting up the Makefile
  • A template SU program
  • Writing a new program: suvlength
  
  
• Obtaining and Installing SU
  • Obtaining files by anonymous ftp
  • Requirements for installing the package
  • A quick test
  
  
• Help Facililties
  • Suhelp
  • Suname
  • Suhelp.html
  • SUKEYWORD - list the SU datatype (SEGY) Keywords
  
  
• DEMOS - a brief descriptions of the demos
• About this document ...