In lugnet.cad.dev, Tony Hafner wrote:
> In lugnet.cad.dev, Steve Bliss wrote:
> > In lugnet.cad.dev, Tony Hafner wrote:
> >
> > > What's the current plan for POV-Ray code in official parts? I have
> > > been out of the loop for a while, but my last understanding was that
> > > parts with inline POV-Ray code don't have any chance of getting
> > > certified on the parts tracker. Is this still the case?
> >
> > Yes, it's pretty much still the case. I would really prefer to not
> > have any POV code in the parts library at all. But if there must be
> > some, I think it should stay in the primitive files.
> >
> > > I am specifically referring to cases where primitive substitution
> > > causes gaps around curved surfaces. The ldraw code looks fine in
> > > the usual tools (ldraw, MLCAD, L3Lab), and the extra code makes the
> > > parts render without gaps in POV-Ray.
> >
> > I think a better solution is to work on POV versions of part files.
> > Generally, writing POV code is easier than LDraw code. So if you
> > can make an LDraw version of a file, you can make a POV version.
>
> Okay... then I'd like to open this up to a question for the community:
>
> Is anyone interested in working on a single shared repository of
> ldraw-compatible parts with inlined POV-Ray code? How many authors out there
> are comfortable with both POV-Ray and ldraw code and interested in this?
>
> I'm picturing files that are essentially official parts with some added inline
> code. And when ldraw releases updates, we'd attempt to POV-Ray fix all parts
> that need it and we'd update all of the POV-Ray parts with the new ldraw code
> when parts are officially re-released. The deliverables would be parts
> downloads similar to the official releases, and a user would just install this
> over the official release.
>
> Note that a good number of parts could be fixed with just a line or two of code
> and some new primitives. Imagine a primitive that is a true disc minus a
> 16-segment disc- how many parts would that fix? 20? More?
>
> And if we did this, could ldraw.org host the downloads? I doubt that I could
> afford the bandwidth to host them on my site for very long.
>
> --
> Tony Hafner
> www.hafhead.com
Here is my $0.01....
This is how I have started handling Ldraw/PoV parts:
The 3626bp6f.dat is availabe on the parts tracker here:
http://www.ldraw.org/cgi-bin/ptdetail.cgi?f=parts/3626bp6f.dat
Paul
(There is some line wrapping happening here, I will need to fix it later)
0 Minifig Head with Female Eyes with Red Lips Pattern - POV
0 Name: 3626bp6f.ldp
0 Author: Paul Easter
0 Unofficial Element
0 L3P IFNOTPOV
0 BFC CERTIFY CW
1 16 0 0 0 1 0 0 0 1 0 0 0 1 3626bp6f.dat
0
0 L3P ELSEPOV
0 #if (STUDS)
0 object { stud2_dot_dat matrix <1,0,0,0,1,0,0,0,1,0,0,0> }
0 #end
0 object { ring3_dot_dat matrix <2,0,0,0,1,0,0,0,2,0,0,0> }
0 object { ring2_dot_dat matrix <2,0,0,0,1,0,0,0,2,0,4,0> }
0 object { _4_dash_4cyli_dot_dat matrix <6,0,0,0,20,0,0,0,6,0,4,0> }
0 object { ring3_dot_dat matrix <2,0,0,0,1,0,0,0,2,0,24,0> }
0 object { _4_dash_4cyli_dot_dat matrix <8,0,0,0,3,0,0,0,8,0,21,0> }
0 cylinder{<0,0,0>,<0,17,0>,13.001
0 clipped_by{
0 union{
0 prism {linear_sweep linear_spline 0,14,38,
0
<-1.25,10.5>,<-1.62,9.38>,<-2.13,8.62>,<-2.87,8.13>,<-3.62,7.75>
0
<-4.62,7.38>,<-4.975,7.3>,<-6.13,7.13>,<-8.13,6.87>,<-8.75,6.75>
0
<-8.25,7.13>,<-7.87,7.38>,<-7.38,7.5>,<-7.38,7.75>,<-7.38,7.75>
0 <-7.75,7.87>,<-7.38,8>,<-7.25,8.75>,<-6.75,9.75>,<-6.5,9.75>
0 <-6.13,9.87>,<-6.38,9.25>,<-6.38,8.62>,<-6.25,8>,<-4.975,8.46>
0
<-4.25,8.75>,<-4.55,8.94>,<-4.88,9.43>,<-4.975,10.01>,<-4.88,10.5>
0
<-4.55,11.06>,<-4.07,11.39>,<-3.5,11.5>,<-2.93,11.39>,<-2.44,11.06>
0 <-2.11,10.58>,<-2,10>,<-1.38,10.62>
0 }
0 } rotate <-90,0,0>
0
0 }
0 #if (version >= 3.1) material #else texture #end { Color0 }
0 }
0 cylinder{<0,0,0>,<0,17,0>,13.001
0 clipped_by{
0 union{
0 prism {linear_sweep linear_spline 0,14,38,
0 <1.25,10.5>,<1.62,9.38>,<2.13,8.62>,<2.87,8.13>,<3.62,7.75>
0 <4.62,7.38>,<4.975,7.3>,<6.13,7.13>,<8.13,6.87>,<8.75,6.75>
0 <8.25,7.13>,<7.87,7.38>,<7.38,7.5>,<7.38,7.75>,<7.38,7.75>
0 <7.75,7.87>,<7.38,8>,<7.25,8.75>,<6.75,9.75>,<6.5,9.75>
0 <6.13,9.87>,<6.38,9.25>,<6.38,8.62>,<6.25,8>,<4.975,8.46>
0 <4.25,8.75>,<4.55,8.94>,<4.88,9.43>,<4.975,10.01>,<4.88,10.5>
0 <4.55,11.06>,<4.07,11.39>,<3.5,11.5>,<2.93,11.39>,<2.44,11.06>
0 <2.11,10.58>,<2,10>,<1.38,10.62>
0 }
0 } rotate <-90,0,0>
0 }
0
0 #if (version >= 3.1) material #else texture #end { Color0 }
0 }
0
0 cylinder{<0,0,0>,<0,17,0>,13.001
0 clipped_by{
0 union{
0 prism {linear_sweep linear_spline 0,14,13,
0 <0,15.38>,<-.5,15.13>,<-1.38,14.87>,<-2.26,14.75>,<-2.88,14.5>
0 <-.38,14.62>,<0,14.75>,<.38,14.62>,<2.88,14.5>,<2.26,14.75>
0 <1.38,14.87>,<.5,15.13>,<0,15.38>
0 }
0 } rotate <-90,0,0>
0
0 }
0 #if (version >= 3.1) material #else texture #end { Color6 }
0 }
0
0 cylinder{<0,0,0>,<0,17,0>,13.001
0 clipped_by{
0 union{
0 prism {linear_sweep linear_spline 0,14,17,
0 <0,14.13>,<-.5,13.75>,<-1.13,13.75>,<-2.88,14>,<-3.75,14.38>
0 <-3.75,14.5>,<-3.26,15.25>,<-2,16.13>,<-.75,16.5>,<0,16.5>
0 <0,15.38>,<-.5,15.13>,<-1.38,14.87>,<-2.26,14.75>,<-2.88,14.5>
0 <-.38,14.62>,<0,14.75>
0 }
0 } rotate <-90,0,0>
0
0 }
0 #if (version >= 3.1) material #else texture #end { Color4 }
0 }
0
0 cylinder{<0,0,0>,<0,17,0>,13.001
0 clipped_by{
0 union{
0 prism {linear_sweep linear_spline 0,14,17,
0 <0,14.13>,<.5,13.75>,<1.13,13.75>,<2.88,14>,<3.75,14.38>
0 <3.75,14.5>,<3.26,15.25>,<2,16.13>,<.75,16.5>,<0,16.5>
0 <0,15.38>,<.5,15.13>,<1.38,14.87>,<2.26,14.75>,<2.88,14.5>
0 <.38,14.62>,<0,14.75>
0 }
0 } rotate <-90,0,0>
0
0 }
0 #if (version >= 3.1) material #else texture #end { Color4 }
0 }
0
0 torus{9,4 clipped_by{difference{box{<-13,4,-13>,<13,-4,13>}
0 cylinder{<0,0,0>,<0,4,0>,9} plane{y,0}}}translate <0,17,0>}
0 plane{y,21 clipped_by{difference{sphere{<0,21,0>,9}
sphere{<0,21,0>,8}}}}
0
0 torus{9,4 clipped_by{difference{box{<-13,-4,-13>,<13,4,13>}
0 cylinder{<0,0,0>,<0,-4,0>,9} plane{-y,0}}}translate <0,4,0>}
0 plane{y,0 clipped_by{difference{sphere{<0,0,0>,9} sphere{<0,0,0>,8}}}}
0
0 cylinder{<0,4,0>,<0,17,0>,13}
0 L3P ENDPOV
0
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