Re: [csswg-drafts] [css-values] Ability to address actual physical size

@patrickhlauke Yes there are several interesting questions related to 
this. Some of them are more complex than others, and while I 
personally have opinions in many cases (perhaps better elaborated 
elsewhere if we want to keep this thread on topic), I can’t claim to 
be an authority on all of them. Nevertheless, I don’t think questions 
like these should be the reason that physical units are entirely 

I’ve done a few rounds of tests using the existing “absolute” units 
with typical consumer-level software and hardware, and every time I’ve
 had inaccurate results like the ones you showed. What’s worse is that
 the results vary widely depending on factors that are very hard if 
not impossible to pin down with certainty.

The sizing error you showed seems small at the target size of 1 inch, 
but that’s already enough to be unusable for many production purposes.
 And if you multiply that scaling error up to a target size of 10+ 
inches, it literally becomes a big problem.

Most of this conversation has been focused around the idea of _sizing 
elements_ with physical units, which is great, but I feel inclined to 
also point out the less-obvious benefit of being able to query again 
physical sizes. For example, I'd love to be able to specify separate 
layouts for 8.5×11″ and 11×17″ paper formats, etc.

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Received on Tuesday, 15 November 2016 12:11:37 UTC