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 CAD / LDraw Files / Parts / Primitives / 247
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Subject: 
Re: high-res sphere primitive with type 5 lines
Newsgroups: 
lugnet.cad.dat.parts.primitives
Date: 
Mon, 6 May 2002 14:48:14 GMT
Viewed: 
2441 times
  
In lugnet.cad.dat.parts.primitives, Travis Cobbs wrote:

Well, based on comments in some other threads, I came to the conclusion that
the type 5 lines I had around the edge of my original primitive where wrong.
I have now updated them accordingly.

This version is the same as the last other than that.  The only difference
lies in the control points that hang out in space off the edges of the
sphere.  In the previous version, I used a continuation of the sphere for
these control points.  In this version, I used a point projected along one
of the axes.

Is that true for all three edges of the sphere?

[snip]
3 16 1.000 -0.000 0.000 0.991 0.000 0.131 0.991 0.131 0.000
[snip]

I thought you were generating to 4 decimals?  You know, like this:

5 24 1 0 0 0.9914 0.1305 0 1 0 -1 0.9914 0 0.1305
[snip]

Steve



Message has 1 Reply:
  Re: high-res sphere primitive with type 5 lines
 
(...) Yes. The standard sphere primitive has type 5 lines on all three edges. They are all necessary in order to work right (with the axis-aligned edge control points). My updated type 5 lines project along a different axis for each edge, of course. (...) (22 years ago, 7-May-02, to lugnet.cad.dat.parts.primitives)

Message is in Reply To:
  Re: high-res sphere primitive with type 5 lines  [DAT]
 
Well, based on comments in some other threads, I came to the conclusion that the type 5 lines I had around the edge of my original primitive where wrong. I have now updated them accordingly. This version is the same as the last other than that. The (...) (22 years ago, 5-May-02, to lugnet.cad.dat.parts.primitives)

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