Command Line Arguments

You can run the JAR file with the following command line arguments:

Argument	Definition
-Dopenrocket.debug	Start OpenRocket with extra debugging tools
-Dopenrocket.debug.prefs	Use debugging preferences
-Dopenrocket.debug.bugurl={url: String}	Provide a URL that redirects you to bug reporting
-Dopenrocket.debug.updateurl={url: String}	Set the URL used in the software updater
-Duser.home={dir: String}	Set the home directory used by OpenRocket
-Dos.name	Set the current operating system
-Dopenrocket.airstart.altitude	Set the airstart altitude
-Dopenrocket.debug.safetycheck	Whether to use additional safety checks
-Dopenrocket.debug.coordinatecount={count: int}	For debugging, will print a line after coordinate instantiations
-Dopenrocket.debug.quaternioncount={count: int}	For debugging, will print a line after quaternion instantiations
-Dopenrocket.3d.disable	Allows you to disabled the 3D view if the program won’t start because of it
-Dopenrocket.debug.motordigest	?
-Dopenrocket.preseteditor.fileMenu	Activate an experimental preset editor window
-Dopenrocket.debug.fileMenu	Shows a debugging file menu, with special debugging tools
-Duser.country	Set the user country
-Djava.version	Set the Java version
-Dopenrocket.ignore-jre	Whether to ignore checking the JRE version at startup
-Dopenrocket.laf={theme}	Set the UI theme (choices are ‘LIGHT’ or ‘DARK’)
-Dopenrocket.bypass.presets	Bypass loading component presets
-Dopenrocket.bypass.motors	Bypass loading motors
-Dopenrocket.debug.checkAllVersionUpdates	Check for all software updates, even if you selected “Ignore this update” in the update dialog

Usage

Run as:

java -D{argument}={value} -jar OpenRocket.jar

or simply:

java -D{argument} -jar OpenRocket.jar

when no value is required.

For instance to set the UI Theme to light:

java -Dopenrocket.laf=LIGHT -jar OpenRocket.jar

Note

In the codebase, search for System.getProperty(...) to search for uses of the different arguments, e.g. System.getProperty("openrocket.debug").