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In lugnet.cad.dat.parts.primitives, John Riley wrote:
> Well, that's 3 lines per instance. It takes 3 calls of a group of 4 to get to
> the same line savings as the group of 8. And 1 x 4 and 2 x 2 groups are common
> enough to get at least 7 lines saved. In the 700.dat you posted, just using 1 x
> 4 groups of stud4's will save ~30 lines (40 calls to 10 calls, roughly). Even 1
> x 3 groups for stud4's would still save enough lines (all the variations of 2x4
> bricks would make this worthwhile).
One other thought: every time you add a subfile, it takes time for the renderer to
render it. So every call to your 4-stud primitive is going to process more slowly
than the equivalent 4 lines encoded directly.
So if an added subfile only produces a modest savings in file size, is it worth that
(slight) slowdown in rendering?
Also, if there are multiple stud-group files, a part is likely to reference a small
file (like a 2x2 group) only a few times, because large areas of studs will be
handled by referencing large stud-group file(s).
Steve
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