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GSAS-II Scripting Manual

This is a subset of the Developer’s Documentation covering the GSASIIscriptable package, used to create Python scripts for running GSAS-II. Note that most data structures used in GSAS-II are defined in module GSASIIobj, also included here.

Documentation Version:

This documentation was prepared from GSAS-II version 055adb dated 03-Jun-2026 14:05 with the most recent tag as version #5834

Contents:

• 1. GSASIIscriptable: Scripting Interface
  • 1.1. Summary/Contents
  • 1.2. Installation of GSASIIscriptable
  • 1.3. Accessing the GSASIIscriptable Module
  • 1.4. Application Interface (API) Summary
  • 1.5. Refinement parameters
  • 1.6. Specifying Refinement Parameters
  • 1.7. Access to other parameter settings
  • 1.8. Code Examples
  • 1.9. GSASIIscriptable Command-line Interface
  • 1.10. API: Complete Documentation
• 2. GSASII Data object & variable organization
  • 2.1. Summary/Contents
  • 2.2. Parameter names in GSAS-II
  • 2.3. GSAS-II Data Tree
  • 2.4. Parameter Dictionary
  • 2.5. Texture implementation
  • 2.6. ISODISTORT implementation
  • 2.7. Parameter Limits
• 3. GSASIIobj: Data objects & Docs
  • 3.1. GSASIIobj Classes and routines
• 4. GSAS-II Execution Environment
  • 4.1. Supported Platforms
  • 4.2. Source Code Management
  • 4.3. Python Requirements
  • 4.4. Required Binary Files
  • 4.5. Supported Externally-Developed Software
• 5. Indices
  • 5.1. General Index