 | | Inline POV-Ray code? —Tony Hafner
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| | | I seem to recall that some curved parts have separate definitions in the parts file itself for POV-Ray to render them better. But I can't find any. Is this actually possible? Do such parts exist? Is there a "better" way (ie through L3P) to get (...) (23 years ago, 19-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | Re: Inline POV-Ray code? —Vincent van der Tuin
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| | | | | Tony Hafner <hafhead@PANTSplanetquake.com> wrote in message news:GrsoEF.Ips@lugnet.com... (...) any. (...) Read Steve Bliss' reply to my message titled "How to add own parts to LGEO?". He describes how to include POV-Ray code in .DAT files that can (...) (23 years ago, 19-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | Re: Inline POV-Ray code? —Travis Cobbs
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| | | | (...) I don't know if any official parts do it, but it is possible. Based on an earlier lugnet.cad.ray message, you do this: 0 L3P IFNOTPOV (regular ldraw code goes here) 0 L3P ELSEPOV 0 (POV-Ray code goes here, commented-out) 0 L3P ENDPOV You can (...) (23 years ago, 19-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Tim Courtney
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| | | | | "Travis Cobbs" <tcobbs@REMOVE.halibut.com> wrote in message news:GrstMI.BB7@lugnet.com... (...) Brings me to a question about the minifig head. I had a high-res printout of Cale Leiphart's The Fight scene made for BricksWest, and there were some (...) (23 years ago, 20-Feb-01, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | Re: Inline POV-Ray code? —Don Heyse
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| | | | | | | (...) Just a guess, but I don't think all the printed heads exist in the LGEO parts, so l3p can't substitute that way. And they probably don't use the cylinder primitives because of the printed faces, so once again l3p can't substitute. I suppose (...) (23 years ago, 20-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | | | | (...) It's not something that can, or needs to be, fixed. Only surfaces drawn with primitive files[1] can be curved in POV-Ray[2]. The patterned area of the minifig faces are not drawn with the cylinder primitives, so they come out faceted. Steve 1) (...) (23 years ago, 20-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | | Re: Inline POV-Ray code? —Don Heyse
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| | | | | | | | (...) Actually a cheap fix that *almost* works is to go into the printed head file (such as 3626bp05.dat) and rip out anything that's not color 0. ie. gut everything but the printing. Then paste in 3626.dat instead of s\3626bs01.dat. This will slap (...) (23 years ago, 20-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | Re: Inline POV-Ray code? —Chuck Sommerville
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| | | | | | (...) I made some heads using inline POV code: (URL) (23 years ago, 20-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Tony Hafner
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| | | | (...) Yes, that's the info I'm looking for. Thanks, Travis (and Vincent, too). Related question (for the parts officials, I suppose): Are there any plans (even tentative) to move towards adding this sort of stuff to official parts? Or is the current (...) (23 years ago, 19-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | (...) Yes, there are plans for this. My current issue is with the syntax being used. I'd rather use general 0 IF ... 0 ELSE ... 0 ENDIF meta-statements, rather than the 0 L3P meta-statements. (...) It seems like LGEO is pretty static now. Lutz is (...) (23 years ago, 20-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Tim Courtney
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| | | | | "Steve Bliss" <partsref@yahoo.com> wrote in message news:n6h77ug2idkrqil...4ax.com... (...) Yeah. Hey if we could solve the centering and rotation problem with a table, couldn't we run converters to Anton Raves' library? Would this project be too (...) (23 years ago, 20-Feb-01, to lugnet.cad.dev, lugnet.cad.ray, lugnet.cad.dev.org.ldraw)
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| | | | | | Re: Inline POV-Ray code? —Lars C. Hassing
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| | | | Steve Bliss wrote... (...) It's OK with me to use e.g. "0 IFDEF L3PPOV" The POV code is (or can be) L3P related. As an example of that see e.g. Chuck Sommerville's minifig head (URL) >Or is the current situation considered adequate (...) Right! We (...) (23 years ago, 21-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | (...) OK. I'll write up a spec/reference page on 0 IFDEF. It will include the following metacommands: 0 IFDEF <code> 0 IFNDEF <code> 0 ELSE 0 ENDIF Should there be a 0 ELSEIFDEF and/or 0 ELSEIFNDEF? (...) Steve (23 years ago, 27-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Don Heyse
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| | | | (...) Which part of it aren't you keen about? Is it all the extra stuff in the dat file? If so, then perhaps this is a good time to dredge up my 0 INCLUDE suggestion yet again. ;) (URL) (23 years ago, 27-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | (...) No, I meant the POVRay code referring to L3P-generated objects. By allowing this code in official part files, we'd be endorsing language that hasn't been generally discussed and reviewed. Not that I see any particular problem with the code. (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Don Heyse
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| | | | (...) So it appears as if we agree that L3P-generated objects don't really belong in official LDRAW part files. Once again this brings us back to the 0 INCLUDE suggestion. Imagine that ldraw.org (or someone else) distributes a separate set of part (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | In lugnet.cad.dev, Don Heyse writes: [snipped things down a bit] (...) Generally, yeah. But mostly to the extent that I haven't thought it through enough. (...) That could work, but IMO only pushes the issue to the side. To some extent, LDraw.org (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Don Heyse
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| | | | | (...) Well, if thats how you really feel, then why even bother to "write up a spec/reference page on 0 IFDEF" at all. The instant you put the line: 0 IFDEF <code> in a part file you're blessing a non-ldraw extension. The <code> is by definition a (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | Re: Inline POV-Ray code? —Erik Olson
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| | | | | | In a nutshell, 'namespaces'. Switching among parts libraries to get different versions (or different data) should be an application capability, not the individual part file. (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | | | (...) I'm not following. Are you agreeing with the idea of using embedded POV-Ray code, or having separate file libraries? I *think* you agree with the second, am I right? The one thing we gain by having embedded POV-Ray code is the ability to have (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Lars C. Hassing
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| | | | | | | (...) Right! I have always thought of the "0 IFNDEF L3PPOV" as a way to utilize most of the normal LDraw lines (that L3P can convert to equivalent POV code) and only replace a small tricky curvy section by some POV code that would look better. This (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Erik Olson
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| | | | | | I see now that your problem is difficult to solve. Sorry I tried to put it into a nutshell, Steve. My preference would be to design an auxiliary file for each case, and markup the LDRAW part in a very general way, so that future programs could (...) (23 years ago, 1-Mar-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | | | | (...) No big deal. I just wasn't sure which nut you were shelling. :) (...) Hmm. The problem is that there would be a lot of cases - we've already got a way to handle general stuff (by creating 'primitive' files). And my (general) preference is to (...) (23 years ago, 4-Mar-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Paul Easter
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| | | | | | (...) Huh...? This is getting too complicated, lost me! Most of you have seen what I have done with adding POV part descriptions to parts. I believe that I was using them correctly with the "established" methods. To make much change would be too (...) (23 years ago, 5-Mar-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | | | (...) I think where I want to go with it, is to keep things simple and limited. At least for now. Embedded POV-Ray code should not make references to L3P-defined objects or definitions. It should stick strictly with primitive operations. Maybe later (...) (23 years ago, 5-Mar-02, to lugnet.cad.dev, lugnet.cad.ray)
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| | | | | | Re: Inline POV-Ray code? —Steve Bliss
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| | | | (...) When I wrote this message, I was trying to figure some rational way to mix LDraw and L3P/POV-Ray code. Something like: 0 IFNDEF L3PPOV (ldraw code) 0 ELSE 0 #if (STUDS) 0 LDRAW 0 1 16 0 0 0 1 0 0 0 1 0 0 0 1 stud2.dat 0 LDRAW END 0 #end 0 (...) (23 years ago, 28-Feb-02, to lugnet.cad.dev, lugnet.cad.ray)
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