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I have a problem with a legal case (car accident of my Misses daughter, her car has been crashed by a truck, the truck was wrong confirmed by Police, so far so good).
Now, recover her car is Little bit more problematic:
One reviewer writes a report in which he mentions that he has the object (her car) positioned and inspected every 4 diagonals.
So far I know, there are only two diagonals. Can anyone Point out where I'm maybe wrong?
[Edit]
Let us have a view on this in a 2 dim Scenario
[/Edit]
[Edit1]
Stupid from my side not to consult first wiki, sorry for that: https://en.wikipedia.org/wiki/Diagonal[^]
[/Edit1]
modified 19-Jan-21 21:04pm.
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I'm afraid you're going to have to explain that a bit better. It's not really clear what you're referring to here.
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Are there 2 or 4 diagonals?
modified 19-Jan-21 21:04pm.
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There are 4. One for each corner of the car.
Within you lies the power for good - Use it!
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a "broken" diagonal 
modified 19-Jan-21 21:04pm.
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We are talking about insurance people, not mathematians.
Within you lies the power for good - Use it!
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That is the big Problem for "me" 
modified 19-Jan-21 21:04pm.
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There is three dimensions on a car, so there's sixteen diagonals (at least, it's not really a cube after all), but depending on the crash I'd say it's enough to measure a subset of them.
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But time is a significant factor in a crash so surely it's 4 dimenisonal with a minimum of ... er ... quite a lot of diagonals?
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There's a Vogon reference in there somewhere, but I fail to remember it at the moment
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Yesss... Except that unless either the truck or the car were moving at a significant fraction of the speed of light, space-time may be treated as Newtonian (space + time).
If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack.
--Winston Churchill
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Consider a cube. I can see 2*6 as the exterior diagonals, but for each face pair (a face and the opposite face) there are two squares that intersect and cross the interior of the cube, and each square has two diagonals so that would be 3*2*2 more. Right?
Dave.
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A cube has 16 diagonals. 2 for each face and 1 for each top corner to diagonally opposite bottom corner.
A 4D cube has 88!*
* According to Mathematica. I wouldn't know how to even begin to count them!
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Let us concentrate on 2dim, more inspectors can not handle. 2 or 4? I'm still in the meaning 2.
modified 19-Jan-21 21:04pm.
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What they normally measure are six diagonals.
Top of each A pillar to the bottom of each corresponding C pillar, top of each C pillar to the bottom of each corresponding A pillar. That's four diagonals.
Then they should also measure left and right corner of the bulkhead to the right and left corner of the fenders.
So at least six measures in total if they are serious.
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Wow. Please, please again for a non native. Thank you very much in advance.
[Edit]
Pillar, ok I think you are in 3 dim again
[/Edit]
modified 19-Jan-21 21:04pm.
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I'm not native either.
So ok, the pillars are what holds the roof up. The A pillars are in front of the front doorr, the B pillars are between the front and rear doors, C pillars behind the rear doors.
The bulkhead is what divides the engine compartment and the passenger compartment.
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Thank you very much. I Need to dive first into this x-pillars
[Edit]
I fool forgot to check first https://en.wikipedia.org/wiki/Diagonal[^]
Anyway, thank you very much for your realistic view/description of all this
[/Edit]
modified 19-Jan-21 21:04pm.
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I queue to the thanks, I like learning things.
GCS d--- s-/++ a- C++++ U+++ P- L- E-- W++ N++ o+ K- w+++ O? M-- V? PS+ PE- Y+ PGP t++ 5? X R++ tv-- b+ DI+++ D++ G e++>+++ h--- ++>+++ y+++* Weapons extension: ma- k++ F+2 X
If you think 'goto' is evil, try writing an Assembly program without JMP. -- TNCaver
"When you have eliminated the JavaScript, whatever remains must be an empty page." -- Mike Hankey
"just eat it, eat it"."They're out to mold, better eat while you can" -- HobbyProggy
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I think you may be translating the word "diagonal" incorrectly from your native language - how about telling us what the word is in your native language(and let us know what your native language is).
“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens
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Well, being from Switzerland it's most likely the poster speaks German, however French is also a possibility.
Decrease the belief in God, and you increase the numbers of those who wish to play at being God by being “society’s supervisors,” who deny the existence of divine standards, but are very serious about imposing their own standards on society.-Neal A. Maxwell
You must accept 1 of 2 basic premises: Either we are alone in the universe or we are not alone. Either way, the implications are staggering!-Wernher von Braun
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Thank you  Also Italian is welcome
Please help me, is "diagonal" such a case to misunderstand it?
modified 19-Jan-21 21:04pm.
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After a car accident there are often two types of measurings that are compared with the nominal values provided by the car manufacturer.
Because I'm German, I looked up the English translations:
Achsvermessung - axle, axial, or wheel measurement / alignment
Rahmenvermessung - frame measurement
Both types can be performed in longitudinal and diagonal (cater-corned) direction.
Maybe you can indicate if these match (if the report is in German).
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Thank you very much for your reply. The "Thing" is not a case of measurable mechanical things, mechanical wise everything is ok. It is a question of "special effect Coatings" which is not easy to correct/judge. Viewing angle and light condition are important in this case. In Short: Depending on the illumination conditions, right side and left side of the car do appear totally different after accident 
modified 19-Jan-21 21:04pm.
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So you are talking about car finish where a special effect one (e.g. metallic) is used.
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