Welcome
What's New
Discover new features and enhancements.
Get Started
Discover Compose, including its language support and system requirements.
Tutorials
The Compose tutorials and associated example model files help introduce you to the basic functionality of the software.
User Guide
Learn about the features and functionality available in Compose.
Reference Guides
Reference guides are available for functions and commands supported by OML, Tcl, and Python.
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
  - ABF Commands
  - Altair Integration Commands
  - Audio Commands
  - CAE Commands
  - CAE Reader Commands
  - CAE Reader 3D Commands
  - CAE Writer Commands
  - Calculus Commands
  - Computer Vision Commands
  - Communication Commands
  - Control System Commands
  - Core Minimal Interpreter Commands
  - Data Structure Commands
  - DICOM Commands
    - dicomanon
      Anonymize DICOM file meta data by removing or replacing fields.
    - dicominfo
      Get metadata from DICOM file.
    - dicomlookup
      Lookup group and element tag or keyword.
    - dicomread
      Reads DICOM image from DICOM file.
    - dicomuid
      Generate a DICOM unique id string.
    - dicomupdate
      Update a dicom meta information struct with new values.
    - isdicom
      If the file is valid, DICOM file then returns True.
  - Differential Equations Commands
  - Elementary Math Commands
  - File I/O Commands
  - Geometry Commands
  - GUI Commands
  - HDF5 Reader Commands
  - HDF5 Writer Commands
  - hstpyfit Commands
  - Image Commands
  - JSON Commands
  - Library Manager Commands
  - Linear Algebra Commands
  - Logical Commands
  - Machine Learning Commands
  - Optimization Commands
  - Plotting Commands
  - PSIM Commands
  - Polynomial Math Commands
  - Signal Processing Commands
  - Special Functions Commands
  - Statistical Analysis Commands
  - String Operations Commands
  - System Commands
  - Table Commands
  - Tcl Bridge OML Commands
  - Tcl Bridge Tcl Commands
  - Time Commands
  - Trigonometry Commands
  - OML to Python Bridge Commands
  - Python to OML Bridge Commands
- Python in Compose Reference Guide
- romAI
Appendix
Get help for the optional libraries that are available in the Extension Manager.
Frequently Asked Questions
You've got questions? We've got answers!

dicomupdate

Update a dicom meta information struct with new values.

Attention: Valid only with Altair DICOM Extension.

Syntax

updated_info=dicomupdate(info, attribute_name, value)

Inputs

info: DICOM meta information returned by dicominfo.; Type: struct
attribute_name: Name of the attribute.; Type: string
value: Value to be updated.

Outputs

updated_info: Updated meta data struct.; Type: struct

Example

dicomupdate example.

info = dicominfo('Path/To/File/0015.DCM')
updated_info = dicomupdate(info,'AcquisitionDate','19960309')

info = struct [
  AccessionNumber: 
  AcquisitionDate: 19960308
  AcquisitionDeviceProcessingDescription: 10 OUT OF 20. 0=LOW, 20=HIGH CONVOLUTION KERNEL 
  AcquisitionTime: 105650
        .....
        .....
  TransferSyntaxUID: 1.2.840.10008.1.2.1 
  WindowCenter:  127
  WindowWidth:  255
  XRayTubeCurrent: 0
]
        updated_info = struct [
  AccessionNumber: 
  AcquisitionDate: 19960309
  AcquisitionDeviceProcessingDescription: 10 OUT OF 20. 0=LOW, 20=HIGH CONVOLUTION KERNEL 
  AcquisitionTime: 105650
        .....
        .....
  TransferSyntaxUID: 1.2.840.10008.1.2.1 
  WindowCenter:  127
  WindowWidth:  255
  XRayTubeCurrent: 0
]