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Altair HyperWorks Tools
Administrative tools to customize your Altair HyperWorks installation.
HyperWorks Automation Toolkit
The HyperWorks Automation Toolkit (HWAT) is a collection of functions and widgets that allows an application to quickly assemble HyperWorks automations with minimal effort and maximum portability.
Functions
XML Functions
These functions use a SAX-based parser.
::hwat::xml::AttributeCount
Get the number of attribute for a given attribute list.

What's New
View new features for Altair HyperWorks 2025.1.
Altair HyperWorks Introduction
Quick introduction to Altair HyperWorks products.
Tutorials
Discover the functionality of Altair HyperWorks products with interactive tutorials.
Altair HyperWorks Tools
Administrative tools to customize your Altair HyperWorks installation.
- Altair License Utility
  Use the Altair License Utility to determine a managed Altair Licensing ID, check license usage, borrow licenses, and set up managed Altair Units.
- Altair Compute Console
  Altair Compute Console (ACC) is a utility that allows you to start different Altair HyperWorks Solvers.
- Remote Job Submission
  Remote Job Submission in Altair Compute Console (ACC) is implemented as an alternative to a local run.
- Remote Server User Guide
- AbaqusODB Upgrade
  AbaqusODB UpGrade is a HyperView tool, which upgrades ODB files created in Abaqus 2020 (or earlier) to Abaqus 2025.
- HgTrans
  HgTrans translates solver results files from their native file format to Altair Binary Format (ABF). This can be done using the HgTrans GUI or via the HgTrans batch mode.
- HvTrans
  HvTrans is a result translator for HyperView that translates solver result files to .h3d files.
- HWTK GUI Toolkit
  The HWTK GUI Toolkit is a resource tool for coding Tcl/Tk dialogs. It contains documentation of the HWTK GUI Toolkit commands, demo pages that illustrate our Altair GUI standards, and sample code for creating those examples.
- Cleanup Utility
  The Cleanup Utility is a script for Windows that removes any custom settings that you may have due to the Altair applications installed.
- Model Identification Tool
  The Model Identification Tool (MIT) is a profile in HyperGraph for fitting test data from frequency- and amplitude-dependent bushings to analytical models. The MIT operates in conjunction with HyperGraph, MotionView and MotionSolve to provide you with a comprehensive solution for modeling and analysis.
- Register HVPcontrol
  Register HVPcontrol registers the HVP ActiveX control for HyperView Player.
- HyperWorks Automation Toolkit
  The HyperWorks Automation Toolkit (HWAT) is a collection of functions and widgets that allows an application to quickly assemble HyperWorks automations with minimal effort and maximum portability.
  - Coding Conventions
  - Functions
    - I/O Functions
    - Math Functions
    - Solver Functions
    - Utils
    - XML Functions
      These functions use a SAX-based parser.
      - ::hwat::xml::AttributeCount
        Get the number of attribute for a given attribute list.
      - ::hwat::xml::private::CheckCallback
        Retrieve the callback function index for a given attribute element and event array.
      - ::hwat::xml::GetAttributeName
        Retrieve the attribute at a given index for a given attribute list.
      - ::hwat::xml::GetAttributeValueByIndex
        Retrieve the attribute value at a given index for a given attribute list.
      - ::hwat::xml::GetAttributeValueByName
        Retrieve the attribute value by attribute name for a given attribute list.
      - ::hwat::xml::GetCurrentElement
        Get the currently active element.
      - ::hwat::xml::GetCurrentName
        Get the currently active name.
      - ::hwat::xml::GetParentName
        Get the parent name of the selected child name.
      - ::hwat::xml::GetParentNameFromElement
        Get the parent "name" attribute from the element name of the selected child element.
      - ::hwat::xml::RegisterCallback
        Register a callback function for any element event.
      - ::hwat::xml::private::XMLBody
        Handler for the "XMLBody" callback functions.
      - ::hwat::xml::private::XMLClose
        Handler for the "XMLClose" callback functions.
      - ::hwat::xml::XMLDefault
        Default handler for all for all element event callback functions.
      - ::hwat::xml::XMLParse
        Call the XML parser.
      - ::hwat::xml::private::XMLStart
        Handler for the "xmlstart" callback functions.
    - Core Functions
      These are primarily private functions, and are not called directly in most cases. They are usually called privately by other functions as helpers.
- H3D Validation Tools
  The H3D Validation Tools available are H3D Info and H3D Validate.
- Uninstall
  Use the Altair HyperWorks Products Uninstaller to remove all files from the installation directory.

::hwat::xml::AttributeCount

Get the number of attribute for a given attribute list.

Syntax

::hwat::xml::AttributeCount str_attrList

Arguments

str_attrList: The interlaced list of attribute names and values.

Returns

Success: Number of attribute in list.
Failure: {}

Example

::hwat::xml::AttributeCount [list var1 0 var2 1 var3 2]

Comments

This can be a useful helper function for authoring your callbacks.