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README.md

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DISCONTINUATION OF PROJECT

This project will no longer be maintained by Intel. Intel has ceased development and contributions including, but not limited to, maintenance, bug fixes, new releases, or updates, to this project. Intel no longer accepts patches to this project.

DAOS Seismic Graph (DSG)

stable

A C based, scalable, seismic extention on top of the daos file system providing a high level API for efficient, high performant seismic data access and manipulation operations.

Table of content

Features

  • conversions from segy file format to DAOS seismic graph (DSG)
  • Ability to manipulate traces headers through DAOS seismic API:
    • Getting headers values.
    • Setting headers values.
    • Changing headers values.
    • Windowing/filtering headers based on specific headers min & max values.
    • Sorting headers based on one or more headers values.
    • Getting the range of all headers or of specific headers.
  • Ability to manipulate traces data through DAOS seismic API
    • Getting traces data arrays.
    • Setting traces data arrays.

Prerequisites

  • Scons
    Scons version 3.1.2 or higher.

  • DAOS
    DAOS based on the commit number 866760fcea49463a98433d8d7a90a9fbb0875eb5 was used during the testing of this work. [DAOS installation guide] (https://daos-stack.github.io/admin/installation/)

  • Cmocka
    Cmocka unit testing framework.

Project Hierarchy

  • include
    Folder containing all the headers of the system. Contains ReadMe explaining the internal file structure of the project.

  • src
    Folder containing all the source files of the system. Follows same structure as the include.

  • tests
    Folder containing all the tests of the system. Follows same structure as the include.

Installation

  • Ensure all required prerequisites are installed.
  • Ensure DAOS is already built.
  • Go to the project directory.
  • Export needed paths
Source scripts/env.sh
  • Build DSG API
scons

Versioning

When installing DAOS Seismic Graph, require it's version. For us, this is what major.minor.patch means:

  • major - MAJOR breaking changes; includes major new features, major changes in how the whole system works, and complete rewrites; it allows us to considerably improve the product, and add features that were previously impossible.
  • minor - MINOR breaking changes; it allows us to add big new features, for free.
  • patch - NO breaking changes; includes bug fixes and non-breaking new features.