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API, Reference Guides
Overview of external readers and the Altair Binary Format, the generic ASCII reader, running applications in batch mode, using Tcl/Tk commands, translators, and result math.
HyperMesh Report
tcl
Report APIs for Altair applications that use Tcl as a scripting language.
rpti::item
Add, access or modify report items.
rpti::item isvalid
Check if the item with the specified ID is valid.

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API, Reference Guides
Overview of external readers and the Altair Binary Format, the generic ASCII reader, running applications in batch mode, using Tcl/Tk commands, translators, and result math.
- Extensions
  Extensions are programs integrated with the application to enhance or extend the user experience.
- External Readers and Altair Binary Format
  Altair Binary Format (ABF) is the standard binary format read by the program. A library called abflib allows you to create files in ABF.
- Generic ASCII Reader
  A generic ASCII reader is now available which allows you to bring custom results directly into HyperView. The Altair ASCII format is useful for reading the results of any in-house or propriety codes which are saved in a generic format.
- Batch Mode
  Batch mode allows you perform a series of operations outside the program interface.
- External Resources
  External resources can be registered in preference files, session files, or Templex files. If an external resource is registered in a program session, it is automatically registered in the session file when the session is saved.
- Python API
  The Python API documentation for HyperMesh applications.
- Tcl/Tk Commands
  The application's scripting interface is a set of Tcl/Tk commands that follow a simple and consistent syntax.
- Translators
  Translators are utilities that are run from the command line of the operating system to convert various types of files into different formats.
- Result Math
  XML commands in the Result Math Module.
- HWC Console
  Record playback workflows in the application.
- HyperMesh Report
  - tcl
    Report APIs for Altair applications that use Tcl as a scripting language.
    - rpti::frwk
      Enables you to execute and export report.
    - rpti::item
      Add, access or modify report items.
      - rpti::item::break
        Interact with items of type break.
      - rpti::item::chapter
        Interact with items of type chapter. This item type is valid only for document reports.
      - rpti::item::exceldocument
        Interact with items of type exceldocument.
      - rpti::item::externalobject
        Interact with items of type externalobject.
      - rpti::item::image
        Interact with items of type image.
      - rpti::item::module
        Create or modify report modules.
      - rpti::item::property
        Interact with items of type property.
      - rpti::item::slide
        Interact with items of type slide. This item type is valid only for presentation reports.
      - rpti::item::table
        Interact with items of type table.
      - rpti::item::tableofreference
        Interact with items of type tableofreference.
      - rpti::item::text
        Interact with items of type text.
      - rpti::item::textdocument
        Interact with items of type textdocument.
      - rpti::item::worddocument
        Interact with items of type worddocument.
      - rpti::item apply
        For better performance data created, manipulated or deleted go into a cache.
      - rpti::item clone
        Clone an Item.
      - rpti::item delete
        Deletes the item with the specified ID.
      - rpti::item get
        Queries the value of one property or role or attribute.
      - rpti::item has
        Check if an item attribute, property or role exists.
      - rpti::item insert
        Insert an item to a parent.
      - rpti::item isleaf
        Check if the item is a leaf.
      - rpti::item isvalid
        Check if the item with the specified ID is valid.
      - rpti::item loadproperty
        Load items properties defined in configuration xml.
      - rpti::item redraw
        Notifies all registered views to redraw itself.
      - rpti::item remove
        Remove an item from parent.
      - rpti::item reparent
        Reparents an object that already has a parent.
      - rpti::item set
        Sets one or multiple parameters to specified values.
      - rpti::item validate
        Evaluates registered validate callback.
- Task Manager
  Use the Task Manager to load an XML file that defines tasks and their attributes.
- HyperMesh
- MotionView
- Templex and Math Reference Guide
- Script and Model Library
  The Script and Model Library is a database of freely accessible scripts and models posted by users and Altair engineers.

rpti::item isvalid

Check if the item with the specified ID is valid.

Syntax: rpti::item isvalid

Parameters

-id: Value: Item ID.

Returns: 1 if valid, 0 if invalid.