Hey mappers, I've found something that I hope can be of use to you. I analysed the content creation scene when they design a race course. I noticed in the corner it has race length, and that's where it began. I've found the distance between two different checkpoints, and shown what that distance looks like on the mini-map. I'm hoping that what I found can not only help you understand the scale and the distances, but also for everyone to appreciate just how goddamn big this map is.
As you can see in the picture, the distance between those two points is 138.6m. I have represented this distance on the mini-map. However, for visual purposes, the above mini-map was slightly enlarged. Here is one straight from the video (full screen).
Here comes the math. We know that the gap between those two checkpoints is 138.6 meters. However, the gap is also 79 pixels wide.
So, 79px = 138.6m
1px = 1.754430379746835m (let's be deadly accurate here
Now we can work out how long the section of road in the mini-map is; the horizontal road that both the checkpoints lie on.
Road section = 350px.
349 x 1.754430379746835 = 612.29m
Can you believe that? Just that tiny section of road on the mini-map is over half a kilometer long! Also, that math would work whatever the size of the picture is, and doesn't give the answer just because of the size of the picture I tried it on. The road section really is 614 meters long. To prove so, I tried it on a smaller picture. The gap between checkpoints was 54 px, so 1 px = 2.566666666666667m. Road section was 237 pixels, so 237 x 2.566666666666667, which equals 608.3m (The small difference is most likely due to the fact that we can only work in whole pixels and not half pixels etc, so everything has been slightly rounded, which will affect the results). If we take an average, we can say that the road section on the mini-map is 610.3 meters long.
Knowing this can really help us to learn about the size and scale of the map. I think it would be most helpful, however, when the game is released and we can put this mini-map measurement onto the real map and work out how long certain roads are. But for know, I feel it could help us to possibly size Los Santos and parts of Blaine County. Of course if we're talking about sizing Los Santos, this is the wrong thread, but I posted it here because it can help with all mapping.
Please let me know if I'm gravely wrong, its a high possibility! If I am right though, as I hope I am, this should be helpful when it comes to mapping. I've heard people say the gap between LS and the Alamo sea is too big, and some say it's too small. Maybe this could help?