 | | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) The main discussion was on the mailing list. I can check my home machine, to see if I have it archived. Anyone else keep copies of the L-CAD messages? Steve (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: ldraw.org up and running again (Was: ldraw.org down until Monday)
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(...) Hey, a huge "BTW" round of thanks for Jacob and Tim and Todd and anyone else in the admin role...the online world wouldn't run without you! :-, Cheers, - jsproat (25 years ago, 27-Sep-99, to lugnet.cad.dev.org.ldraw)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) Actually, most of mine say "not CW-Compliant", as a notice to anyone coming along who wants to clean up the library. Steve (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) I couldn't find anything either, maybe the archive has a limit or it was discussed in the L-CAD list ? The only related message I found was (URL) but the discussion started several months before that. Leonardo (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) That should have read, for every polygon in the element or primitive. (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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Chris Dee wrote in message ... (...) partly (...) plastic. (...) is a (...) The algorithm I came up with yesterday will handle such cases. Basically for every face in a polygon, I'll pass a ray through it and count the number of polygons that it (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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John VanZwieten wrote in message ... (...) I ran the search for 'backface culling', but it came up with four un-related articles. :( -GW (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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John VanZwieten wrote in message ... (...) fix (...) worry (...) file. (...) Thanks for the tip, I'll run a search. Actually I think I've worked out in my mind an automatic clockwise-sorting algorithm. It will fail for primitives like studs which (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) I'd be mighty impressed, too, if you could do this automatically. For solid polyhedra, it's not too difficult as you can assume that the origin of the solid is within the material, but most Lego parts are re-entrent (ie. partly hollow), so (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | (canceled)
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| | Re: anyone else notice this?
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Hello Jonathan, (...) I was thinking of doing that one also. Planning to strart it about halfway October. (...) Mm, too big for me right now, I think I leave that up to someone else. But I could donate the early stage of the curved track file, (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | ldraw.org up and running again (Was: ldraw.org down until Monday)
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As I promised Friday: ldraw.org is up and running again thanks to a friend of mine who installed a new kernel on hugin. Play well, Jacob PS: I have recieved a message from the Danish backbone operator, warning me that the connection to Risø will be (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev.org.ldraw, lugnet.cad.dev, lugnet.cad, lugnet.announce)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) If you run a LUGNET search on backface culling, you'll find extensive discussion of this. Some parts (mostly done by Steve Bliss) have a "0 CW- Compliant" tag, which means you can use backface culling on them. It would be pretty amazing if you (...) (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Part 2409
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Heya all ! Where can I download part number 2409 and all other parts ? I need this part for my PD model for Datsville. Where can I get all LDraw parts ? (It was on geocities but now I can't find it.) Thanx. Rene e-mail: virsik@sco.svf.stuba.sk (25 years ago, 27-Sep-99, to lugnet.cad.dev)
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| | Hidden surface removal, and vertex order in part/primitive DAT files
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I performed some hidden surface removal tests today (I should have been working on other things, like the inventory file cleanup utility...) and it appears that there isn't a standard order for listing vertices in DAT files (I only tested a few (...) (25 years ago, 26-Sep-99, to lugnet.cad.dev)
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| | Re: ldraw.org Model of the Month
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(...) If a "list of what was chosen, selected or inputted as text, mailed to a specified address" sort of form result is sufficient for your uses, you needn't even do that. See: (URL) view source for the page, or copy the page to your own server and (...) (25 years ago, 25-Sep-99, to lugnet.cad.dev.org.ldraw)
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| | Re: ldraw.org Model of the Month
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(...) You're basically looking for the same voting script that Todd uses on lugnet's cool site of the week page ((URL) right? Why not just ask him for the source and adapt it to your uses? Adrian -- (URL) (25 years ago, 25-Sep-99, to lugnet.cad.dev.org.ldraw)
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| | ldraw.org Model of the Month
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Yet another mini-project that can enhance ldraw.org... I remember talking about the Model of the Month feature and plans for it, but discussion fizzled. I think we can get this up and running in a few days if we recall what was discussed and if (...) (25 years ago, 25-Sep-99, to lugnet.cad.dev.org.ldraw)
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| | Re: ldraw.org down until Monday (was: ldraw.org failing DNS lookup?)
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(...) [...] (...) Todd beat me to the punch I see :) Well, sorry guys for this unexpected inconvenience. -Tim ldraw.org Project Coordinator (25 years ago, 24-Sep-99, to lugnet.cad.dev.org.ldraw)
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| | ldraw.org down until Monday (was: ldraw.org failing DNS lookup?)
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(...) Jacob asked me to post the following message... --Todd ___...___ From: Jacob Sparre Andersen <sparre@cats.nbi.dk> Message-Id: <199909241830.UAA100...ts.nbi.dk> Subject: ldraw.org down until monday To: lehman@javanet.com (Todd Lehman) Date: (...) (25 years ago, 24-Sep-99, to lugnet.cad.dev.org.ldraw, lugnet.cad.dev, lugnet.cad, lugnet.announce)
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