Subject:
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Re: User POV substitutions in L3P
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Newsgroups:
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lugnet.cad
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Date:
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Fri, 10 Mar 2000 13:37:27 GMT
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Viewed:
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753 times
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In lugnet.cad, Chuck Sommerville wrote:
> After playing with Ldraw, The first thing I wanted to do was learn the file
> format and write a converter to POV. Then I found L3P, and was delighted.
> When I saw the minifigs with faceted heads, I investigated and learned about
> the triangle and quad lists in the primitives. L3P does do some primitive
> substitution, but I was limited to whatever it knew about. To address this I
> have written an L3P post processor. The basic idea is that you put
> conditional compile commands and POV rendering commands in the Ldraw
> primitives and parts files. Since the commands are stored in the comment
> fields, they are ignored by Ldraw and L3P, they end up in the final POV file.
> The post processor, reads the L3P generated file, and writes a new file with
> the POV primitive substitutions. The new file is smaller, and better suited
> for POV rendering, since huge mesh commands are replaced with simple POV
> primitives. I have been satisfied with the results. However, it does require
> editing the files in your P and Parts folders. So far I have only added
> primitives to 2 parts, just for testing.
>
> Is there any interest in this?
Yes, definitely. What kind of commands do you add to the LDraw files?
My concern would be how to hook up your stuff with the standard LDraw
parts library, so we wouldn't have to maintain two separate sets of
code.
Steve
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Message has 1 Reply:
 | | Re: User POV substitutions in L3P
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| (...) I don't believe there are any conflicts. All the commands are imbedded in comment fields. You can have a closer look. Check out this thread where I post a URL to a sample kit. (URL) (24 years ago, 11-Mar-00, to lugnet.cad)
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Message is in Reply To:
| | User POV substitutions in L3P
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| After playing with Ldraw, The first thing I wanted to do was learn the file format and write a converter to POV. Then I found L3P, and was delighted. When I saw the minifigs with faceted heads, I investigated and learned about the triangle and quad (...) (24 years ago, 8-Mar-00, to lugnet.cad)
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