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In lugnet.cad.dat.parts.primitives, Steve Bliss writes:
> In lugnet.cad.dat.parts.primitives, Paul Easter wrote:
> > In lugnet.cad.dat.parts.primitives, Steve Bliss writes:
> > >
> > > How about using:
> > >
> > > TNNXFFFF.dat
> > >
> > > 2. Dedicating the one free filename digit/character to one of the numeric
> > > parameters will also provide more filename consistency and sorting. And
> > > giving this the major-circle denominator is more important than having a
> > > fifth position in the tube:major-radius fraction.
> >
> > Sorry, can't seem to follow this statement.
>
> OK, let me try to explain. Lars had suggested:
>
> > Something like "NtiFFFF.dat" for
> > "1/N Torus Tube Inner Major Radius 1 Tube Radius 0.FFFF"
>
> Which uses 7 characters in the filename, out of the 8 allowed. I just
> dedicated the 8th character to N, so we had NN instead.
>
> This gives us a fixed-format for the filename, no matter what the value of
> NN is. Fixed-formats sort better.
OK, Got it! Sounds good to me.
So we are going to use;
tNNxFFFF.dat
t=Torus
NN=sweep of torus, 01=1/1, 02=1/2, 04=1/4, 08=1/8, 16=1/16, 48=1/48?
x=i:Inner or o:Outer
FFFF=Tube Radius Ex. 1/3=3333
I have already changed my spreadsheets and torus files over to use this
format. It's not too hard to change them again, if needed.
> > > > Which values of N do you expect? 16? - since you only got 4 F's?
> > >
> > > I'd expect probably 04, 08, and 16. If we start getting hi-res versions of
> > > torii, we might see higher values (smaller sweeps). With two decimal
> > > digits, we can get down to a 3.6-degree sweep (that'd be 1/99).
> >
> > I agree, but not sure about the 3.6 degree version, that's a bit extreme.
>
> Yeah 1/99 is extreme, that's kinda my point. We have more than enough
> range in our possible numeric values.
Good, I was hoping that was what you were up to.
> About coding the t:m ratio in base-36, Paul reacted:
>
> > oh no! too complex for the mainstream dat authors.
>
> True. We'd have to publish a table of values.
>
> But I think four base-10 decimal digits is probably good enough.
>
> Steve
Sounds great! Let's do it!..... Any other suggestions?
I am in the process of updating part files that use the torii to the new
name format. Do I need to send the parts to partsref@home.net? Or do I need
to hold on to them until something is decided on the next update?
Do I need to remove the POV coding, or leave it in until the next L3P update?
Paul
Ah.... to POV or not to POV...
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