 | | Possible task for new LDraw author - early baseplates
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Hi To some extent the growth of the LDraw parts library is limited by the fact that all the "easy" parts have already been created. This means that many new authors face a steep learning curve if they start with a complex part. But there is one area (...) (21 years ago, 13-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) With the use of a point hash table, it should be possible to do all of the analysis in linear time proprotional to the number of points in the object. So, I guess I disagree with you. Not that it particularly matters, until somebody actually (...) (21 years ago, 13-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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(...) [snip] (...) OK, so I'm a new guy in the ldraw dev community, but I figured if I don't say something now it'll never get considered. So please go gently on me. I don't know the full protocol you guys use to come up with these standers. But (...) (21 years ago, 13-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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I won't argue with your clarification, but I will point out that it would be more difficult for a renderer to perform this feat, particularly one that is designed as a real-time renderer, and therefore presumably has rather serious limitations on (...) (21 years ago, 12-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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(...) The desire was to preserve standard Windows INI file formatting, and each data line in an INI file has the form <key> = <value> (spaces optional). The numbers were suggested as keys, with positive responses from the people that responded. As a (...) (21 years ago, 12-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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I'm working on just such a utility right now. I hope to have some beta code in a few days : ) (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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(...) Currently my code doesn't expect all the spaces above, but I'm open to that. The LDrawSetup program that I'm also writing at the same time can not preserve the spaces if you add or delete options, so it will ruin any nice table formatting you (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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(...) If it is just a sequential number, wouldn't it be easier to just leave it out altogether, and say the directories will be searched in the order they appear in the file? ROSCO (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Exactly. That's what the <CLONE>, <KNEX>, <BOXES> etc. tags I mentioned previously were for. We could work out later whether these are user defined or LSC defined tags. The important part for now would be to agree that <SKIP> means ignore the (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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"Tore Eriksson" <tore.eriksson@mbox3...wipnet.se> schrieb im Newsbeitrag news:HuDDv0.1KDF@lugnet.com... (...) to (...) most (...) lead to? (...) Ok I try and hope that I do not forget something here, all others please correct me if i'm wrong - but (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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"Don Heyse" <dheyse@hotmail.spam....away.com> schrieb im Newsbeitrag news:HuD629.DxI@lugnet.com... <SNIP> (...) Ok now I understand, might be a nice idea. The drawback is that it would "only" allow one alternate part enabling not more. I can already (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) All: It is dangerous to write technical arguments at 1:30 in the morning, and I made some serious mistakes in my post above. 1) You are correct that most LDRAW parts are not closed and probably never will be. Optimizing for ease of part (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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(...) I took the time to read all the posts, and I still would like a summary. It seems like the discussion has converged to conclusion, but I'd like to see the conclusion written up. I know that Lars is writing up code to match the conclusion, but (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) I don't know about that goal. I think it's better to make it easy to assemble the various primitives into parts. That way we get more people volunteering to make the parts. I don't think the primitives *can* be closed. I also think it's much (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) [snip] (...) [snip] (...) It is neither impossible nor particularly hard. I will snip the rest of the post here and explain. There is an interesting property of closed surfaces that can allow you to determine the normals for all polygons (or (...) (21 years ago, 11-Mar-04, to lugnet.cad.dev)
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| | Name discussion for 40244.dat
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This part has been named "Axle for Spiral Staircase" on the Parts Tracker, but needs some wider discussion on the name and orientation. (URL) To my mind it is a Technic Pin Joiner, not disimilar to (URL) just a different length (or height depending (...) (21 years ago, 10-Mar-04, to lugnet.cad.dev)
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| | LDRAWPREDIRS LDRAWPOSTDIRS - Summary please!
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86 messages have been posted in this thread so far. I don't have a chance to catch up what has been discussed by reading all posts. Is it possible to make a brief and relatively easy-to-read summary of the most significant suggestions, and what (...) (21 years ago, 10-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Hmmm, I must've put myself to sleep as well. Actually, I've been a bit busy lately. Now what was I trying to say... I guess I was thinking that a <SKIP> tag might be a third choice between <HIDE> and <SHOW>, but after a few days I now think it (...) (21 years ago, 10-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) <SNIP> (...) That does help a lot. Thanks much. Brian Durney (21 years ago, 9-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Ok, so maybe there was a bit of irony, considering Mac OS X's roots are much older than 9's. But the lack of pre-emptive multiprocessing, protected memory, and other more evolved stuff does make OS 9 a dinosaur. Apple's washed their hands of (...) (21 years ago, 9-Mar-04, to lugnet.cad.dev)
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