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Subject: 
Re: Circle/Disc terminology
Newsgroups: 
lugnet.market.auction, lugnet.admin.database
Date: 
Tue, 11 May 1999 04:17:55 GMT
Viewed: 
2063 times
  
In lugnet.admin.database, lar@voyager.net (Larry Pieniazek) writes:
> In your terminology, though, I'd argue that they should not be called
> circles!
> Circles have no thickness. What will you do if TlG brings out the
> following bricks...
> 
> a 4 radius cylinder with a 2 radius cylinder subtracted
> b 4 radius cylinder with a 3 radius cylinder subtracted
> 
> Both fit the name 8x8 circle brick. (or if these come in quarters like
> the 2x2 macaroni, they'd both fit the name 4x4 circle brick)
> 
> I'd argue that these bricks (as well as the macaroni bricks) are torii,
> or torii sections (well, actually not, as torii have circular cross
> sections like donuts, and these have rectangular cross sections, that is
> a 1x1 brick(-ish...) and a 1x2 brick(-ish...) respectively)that , and
> that you should use something that makes that clear.
> 
> How do you differentiate the current 4x4 to 2x2 conical sections? one is
> hollow and one is solid (or is the solid one the 3x3 to 2x2, I forget)
> 
> Just some stuff to chew on.

Ahh, good points.  Both the "2x2 Cylinder Brick" and the "2x2 Quarter-Circle
Brick" are 1 brick tall, but a cylinder (in geometry) actually has a volume
and a circle (in geometry) has only circumference to speak of.  This is an
anomaly to be sure!

--Todd



Message is in Reply To:
  Re: Circle/Disc terminology
 
In your terminology, though, I'd argue that they should not be called circles! Circles have no thickness. What will you do if TlG brings out the following bricks... a 4 radius cylinder with a 2 radius cylinder subtracted b 4 radius cylinder with a 3 (...) (27 years ago, 10-May-99, to lugnet.market.auction, lugnet.admin.database)

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