User Forum

Zack, Thank you for providing your Mission Plan and the error message. Based on the description of the error, it is likely that the Spacecraft object, Cassini, has a starting epoch inside the SPICE file which lies outside the time span you are propagating. A few things I would recommend checking: 1....

One important thing to note when working with VisibilitySegment objects is which object you treat as the Observer object and which you treat as the Target object. When switching the Observer and Target objects in a Visibility Segment it affects when the line-of-sight contact is true and the reported...

Lists are a container for one or more FreeFlyer objects of the same type. Lists of objects can only be created in FreeFlyer script - they can't be created in the Object Browser. Angle brackets are used to specify the type of object List you are creating. The syntax for creating a List is: List<Objec...

Network License Server Port Requirements If the correct license file is loaded and there are licenses available, then the problem is likely with the connection between the client and server machines themselves. You should ensure that the necessary ports are open for connections (on the server machi...

Are you interested in doing contact analysis with a specific area on Earth or the Moon? FreeFlyer's Region object allows you to create a closed contour area on a Celestial Object's surface, defined by a series of planetodetic latitude and longitude points (also called vertices). A Region must inclu...

Most Common Error: Running the lmadmin.exe (even as admin) after the first window opens to start the application a pop-up window comes up with the error: Could not find a valid java virtual machine to load. You may need to reinstall a supported java virtual machine. Reasoning and Resolution: FlexNe...

You can save plots from an automated run using a combination of the PlotWindow.SavePlotImage() method and the command line reference -windowed-output-mode.The PlotWindow.SavePlotImage() method call allows you to choose the image format, output filename, and optionally set the width/height for the im...