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hmm I don't know... I could be off a little on my alignment and scale, but I can't be this far off...(assuming Model 3 in white is original scale)
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The width of the car is the most worrisome to me since it will have to sit next to my wife's minivan in the garage. Not sure I'll be able to summon it into the garage since my driveway slopes up. I have some leeway with the length, so if it ends up a tad longer than Motor Trend's estimate of the alpha, it won't be an issue.The most interesting thing about that comparison chart is that the Model 3 has the longest wheelbase and is the widest of any of those cars except for the Model S
Well saidHere's an idea - quit trying to second guess and speculate on everything Tesla is doing, and just wait until Model 3's are available for test drives. Then bribe the Tesla person with $50 to drive to your house to test fit it in the garage. Or take your other car and a tape measure to the Tesla Store. Tesla can't say much now about the 3, to keep the Model S/X sales going.
How do we know it is a orthographic projection rather than a perspective projection? In fact, for promotional photo (rather than one used for measurements) it makes more sense to use perspective. In a perspective projection, the issue is not lens distortion (barrel or otherwise), but rather parallax errors from different parts of the car being at different depths relative to the camera. In a perspective projection, farther objects look smaller. This distorts the object for measurement purposes when it is not flat.Hi there... It's the guy who did the comparison. I'm certainly not saying it's exactly. I was mostly trying to highlight a few chnges that I'm fairly certain have been made in the design (e.g. the back of the trunk appears to be angled a little differently in the RC's vs. the alpha and there is a noticeable overhang from the trunk's horizontal trim line and the license plate. I was very surprised to see the possible difference in length. So here are some comments, and a different comparison, just for fun...
1) I'm pretty confident that both of those are 3d renders, not actual photographs. That means that unless someone has intentionally added distortion for some reason--which is doubtful--there shouldn't be any issues with barrel distortion. The optics of a camera lens's design introduces distortion. A computer program doing orthographic projections does not.
Your front door and the side marker obviously doesn't line up properly. That is an immediate sign that something is off in your overlay.2) If these are renders, there are possibly other aspects that aren't fully accurate. Can't really know that without knowing the purpose of the render and what level of detail they were going for. Or if any design changes have happened since the renders.
3) There is a chance the renders are not both completely square on from the center of the car. If that's the case, yes, there could be issues with things lining up and/or measuring differently. That said, the fact that the wheel wells, doors, and front end line up as well as they do has me reasonably confident that this isn't an issue here.
4) My overlay could very well be off a little even if these two images are perfectly good images and that could make a big difference in the lengths of things and their alignment.
So... here's the other fun comparison. I don't treat it as any sort of gospel, so don't criticize it as if I am. I do think it highlights some minor design changes. I will note that the windshield, roof, and bumper panels are missing, so there will be some differences there that might not actually be changed from the alpha. But, again, I do think there is some evidence that the rear windshield/roof has been flattened out a little and is a little longer, resulting in a slightly bigger trunk deck and a slightly longer rear overhang. I think that is consistent with Elon Musk's comment that the public's concerns about the size of the trunk opening had been addressed. For full context, the silver car is the alpha that Motor Trend photographed shortly after the launch/reveal. The purple is the BIW render.
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This is a key point regarding lens distortion ("perspective distortion" in this case) ... the front AND back would be different instead of just a single side (assuming the car was centered).I think this shows clearly how the length of the front and back gets distorted based on perspective.
Right, which is why I pointed out in this comment that the body-in-white missing the front bumper makes things harder to judge.This is a key point regarding lens distortion ("perspective distortion" in this case) ... the front AND back would be different instead of just a single side (assuming the car was centered).