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 CAD / Development / 2431
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Subject: 
Re: Part number needed & New primitive submission
Newsgroups: 
lugnet.cad.dat.parts, lugnet.cad.dat.parts.primitives, lugnet.cad.dev
Date: 
Wed, 28 Jul 1999 17:20:11 GMT
Viewed: 
73 times
  
The new primitive seems ok, too. Very unusual that it starts from the • center and
goes from -0.5 to 0.5 in all directions. I don't know if I like it, but I • can
surely live with it.

I think the box should conform to the same geometry as the other box*
primitives -- it should range from -1 to +1, not -.5 to +.5.

The way this primitive is designed saves time for the part author (not a
whole lot, but some).  Once you have the dimensions you want you just plug
those in directly without having to divide them by two.  When you use a
primitive that goes from -1 to +1 you actually have a 2LD unit primitive,
but when you use a primitive that goes from -.5 to .5 you have a 1LD unit
primitive.  Another way to do it would be to start at 0 and go to 1, but I
like putting 0 at the center of the primitive better.

Adam



Message has 1 Reply:
  Re: Part number needed & New primitive submission
 
(...) I realize that primitives which are sized to 1LDU are easier to use, but a set of primitives which don't all use the same sizing are *harder* to use overall, because the author has to remember which sizing to use for which primitives. Steve (25 years ago, 29-Jul-99, to lugnet.cad.dat.parts, lugnet.cad.dat.parts.primitives, lugnet.cad.dev)

Message is in Reply To:
  Re: Part number needed & New primitive submission
 
(...) I think the box should conform to the same geometry as the other box* primitives -- it should range from -1 to +1, not -.5 to +.5. Steve (25 years ago, 28-Jul-99, to lugnet.cad.dat.parts, lugnet.cad.dat.parts.primitives, lugnet.cad.dev)

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