orhelper

orhelper is a module which aims to facilitate interacting and scripting with OpenRocket from Python.

Prerequisites

• OpenRocket 15.03
• Java JDK 1.8
  • Open JDK 1.8
  • Oracle JDK 8 (requires signup)
  • Ubuntu: sudo apt-get install openjdk-8-jre
• Python >=3.6

Setup JDK

Linux

For most people jpype will be able to automatically find the JDK. However, if it fails or you want to be sure you are using the correct version, add the JDK path to a JAVA_HOME environment variable:

• Find installation directory (e.g. /usr/lib/jvm/[YOUR JDK 1.8 FOLDER HERE])
• Open the ~/.bashrc file with your favorite text editor (will likely need sudo privileges)
• Add the following line to the ~/.bashrc file:

  export JAVA_HOME="/usr/lib/jvm/[YOUR JDK 1.8 FOLDER HERE]"

• Restart your terminal or run the following for the changes to take effect:

  source ~/.bashrc

Windows

• Set Windows environment variables to the following:
  • Oracle

    JAVA_HOME = C:\Program Files\Java\[YOUR JDK 1.8 FOLDER HERE]

  • OpenJDK

    JAVA_HOME = C:\Program Files\ojdkbuild\[YOUR JDK 1.8 FOLDER HERE]

Installing

• Install orhelper from pip

  pip install orhelper

• Download the OpenRocket .jar file (if you don't already have it)

  • Linux

    wget https://github.com/openrocket/openrocket/releases/download/release-15.03/OpenRocket-15.03.jar

• Set environment variable CLASSPATH path to OpenRocket .jar file. (Only required if it's not already at .\OpenRocket-15.03.jar)

  CLASSPATH=\some\path\to\OpenRocket-15.03.jar

• See examples/ for usage examples

• See the OpenRocket wiki for more info on usage and the examples

Credits

• Richard Graham for the original script: Source
• @not7cd for some initial organization and clean-up: Source
• And of course everyone who has contributed to OpenRocket over the years.