The idea is to use the rulers and the vehicles to modify the mirrors as correctly as possible and to avoid possible distortions. The most useful area is that of the car, the human, and the vertical ruler. With them you have a clear reference. With the horizontal lateral ruler you can know how far in meters they are behind with respect to what you see in the mirrors. So you can calculate approximately at what distance they are seen and the most important, when they are in parallel in an overtaking.
I will try to explain it graphically as English is not my thing: Remember the key combinations to modify the mirrors: ◙ Shift + seat adjustment keys (mirror orientation) ◙ Shift + Control + seat adjustment keys (mirror size) (The left and right exterior mirrors can be adjusted independently but I do not advise it). Values that can be manually modified in <player>.json "Center Mirror Horiz":0, "Center Mirror Horiz#":"use Ctrl+Alt+Seat* controls to save by vehicle", "Center Mirror Size":1, "Center Mirror Vert":0, "Mirror Adjustment Horiz":0, "Mirror Adjustment Horiz#":"use Shift+Seat* controls to save by vehicle", "Mirror Adjustment Vert":0, "Mirror Physical X":0, "Mirror Physical X#":"use Shift+Alt+Seat* controls to save by vehicle", "Mirror Physical Y":0, "Mirror Physical Y#":"note: these physical mirror position adjustments are for the in-cockpit center mirror only", "Mirror Physical Z":0, "Moving Rearview":3, "Moving Rearview#":"Whether mirrors respond to head movement in cockpit (0=none, 1=position-only, 2=FOV-only, 3=both) - add 4 if you want to IGNORE head-tracking movement", "Rearview Cull":true, "Rearview Cull#":"Whether to cull objects in the rearview based on visgroups in the SCN file", "Rearview Driving":1, "Rearview Driving#":"0=Off, 1=Center+Sides, 2=Center, 3=Sides (virtual mirrors only, in-car mirrors are on\/off), applies to nosecam, cockpit, and TV cockpit", "Rearview Height":14.013, "Rearview Independent":false, "Rearview Independent#":"Whether width (horizontal FOV) can be controlled independently of height (vertical FOV)", "Rearview Onboard":0, "Rearview Onboard#":"0=Off, 1=Center+Sides, 2=Center, 3=Sides (virtual mirrors only, in-car mirrors are on\/off), applies to onboard cams", "Rearview Particles":true, "Rearview Swingman":1, "Rearview Swingman#":"0=Off, 1=Center+Sides, 2=Center, 3=Sides (virtual mirrors only, in-car mirrors are on\/off), applies to swingman only", "Rearview Width":64, "Rearview Width#":"use Shift+Ctrl+Seat* controls to save by vehicle", "Rearview_Back_Clip":0, "Rearview_Back_Clip#":"Back plane distance for mirror (0.0 = use default for scene)", "Rearview_Front_Clip":0.5, "Rearview_Front_Clip#":"Front plane distance for mirror (0.0 = use default for scene)", "Right Mirror Horiz":0, "Right Mirror Horiz#":"use Alt+Seat* controls to save by vehicle", "Right Mirror Size":1, "Right Mirror Vert":0, I suggest, to start with, to set the orientation and size to zero. If the view is not as desired, it means that the vehicle does not have the default mirrors set properly. Then make the necessary modifications. NOTE: Surely the behavior in VR is not the same, in that case I can't help. EXAMPLES: Approximately 10 meters distance from cockpit: Viewed from the outside Very close, approximately 1 meter behind: Exterior view Simulating an overtaking from the inside: Position from the outside: I hope I have explained myself well and that it is of some use to you.
Thank you for this tool. It took me a short while to FIND the dang track on the list, but once there I was able to configure the mirrors nicely! Thanks!