> For the complete documentation index, see [llms.txt](https://raia-software-inc.gitbook.io/tacview/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://raia-software-inc.gitbook.io/tacview/getting-started/vectors-and-trails.md).

# Vectors and Trails

Click on Display Selected Object Vectors to enable the display and customization of object vectors:

![Vectors and Trails - Vectors](/files/EFORhZWocfj37vZT0jQY)

Optionally display heading (a dotted pale line), course (a solid pale line), lift (a solid dark line), and pilot line of sight. Please note that pilot line of sight is only available under certain circumstances.

Drag the Trails Slider to make the ribbon-like object trails longer or shorter:

![Vectors and Trails - Trails](/files/FGI8xEa1yANn75ZB6VW6)

Please note that very long trails may affect performance and will only be displayed on selected objects.

In the next section, we will look at special options for dogfighting.