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Source Code

  • Download and install Python3.x (>=3.5)
    • Select Add to PATH option
    • Select Install pip option
  • Download Version 1.2 or Latest Source
  • Run pip install -r requirements.txt or pip3 install -r requirements.txt (Need root access)
  • Run python3 install or python install (Need root access)


Easy Install

  • Run easy_install --upgrade opem (Need root access)



  • Run docker pull ecsim/opem (Need root access)
  • Configuration :
    • Ubuntu 16.04
    • Python 3.5


  • OPEM GUI is available here

Exe Version (Only Windows)

DMG Version (MacOS)

  • Download DMG-Version 1.2
  • Open DMG file
  • Copy OPEM into your system
  • Run OPEM


  • Download and install MATLAB (>=8.5, 64/32 bit)
  • Download and install Python3.x (>=3.5, 64/32 bit)
    • Select Add to PATH option
    • Select Install pip option
  • Run pip install opem or pip3 install opem (Need root access)
  • Configure Python interpreter

Exe Version Note

For OPEM <= 0.5 targeting Windows < 10, the user needs to take special care to include the Visual C++ run-time .dlls: Python 3.5 uses Visual Studio 2015 run-time, which has been renamed into “Universal CRT“ and has become part of Windows 10. For Windows Vista through Windows 8.1 there are Windows update packages, which may or may not be installed in the target-system. So you have the following options:

  1. Download OPEM >= 0.6 (Recommended)
  2. Download and install Visual C++ Redistributable for Visual Studio 2015

System Requirements

OPEM will likely run on a modern dual core PC. Typical configuration is:

  • Dual Core CPU (2.0 Ghz+)
  • 2GB of RAM

Note that it may run on lower end equipment though good performance is not guaranteed.