 | | 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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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) rofl. I think this qualifies as quote of the day. Steve (21 years ago, 9-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:Hu6s61.1FM9@lugnet.com... <SNIP> (...) "Snip", you got me two days sleeping ;-) I do not have anything against additional keyword, but I realy do not get what's behind them (...) (21 years ago, 8-Mar-04, to lugnet.cad.dev)
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| | Re: surface normals and vertex normals for OpenGL
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(...) I suspect this has been talked about in this group before, but probably not all in one thread. I'll try to summarize the things to look out for. First of all, you are correct in that any files that aren't BFC-certified have polygons with (...) (21 years ago, 7-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Oh I don't know. I'm still hoping some of these ideas will eventually start to grow on you. Hopefully Lars will write some really nice code that finds the parts search list and somehow associates a list of tags with each directory in the list. (...) (21 years ago, 7-Mar-04, to lugnet.cad.dev)
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| | surface normals and vertex normals for OpenGL
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Hello, I have some LDraw animation projects in mind and am starting by making a simple viewer using OpenGL. I have a program that will read a file and display it, but I run into problems with the shading because it only does flat shading. I think I (...) (21 years ago, 7-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Right. I actually manage 350 Macs and I tried to put LDraw on them and ran into several problems that I had to take up with the Mac developers. So anything that makes this easier for admins is good in my opinion. (21 years ago, 6-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) [snip] (...) Again, I'm not talking about most users - most will be covered by the search paths proposed earlier in the thread. This would only be for non-standard installations, where the people installing WOULD be likely to know what I am (...) (21 years ago, 6-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Mac OS 9 does not have a command line. That OS is a dinosaur. You can think of Mac OS X as a decendant of BSD, with a Mac OS 9 look-a-like window server. In fact, you can remove Apple's window server and add X11, turning Mac OS X into just (...) (21 years ago, 6-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:Hu4BBu.20n4@lugnet.com... <SNIP> (...) tags (...) Most (...) <BOXES>, (...) %LDRAWDIR%\PARTS\B (...) version (...) Or (...) soft (...) Ahhh I didn't see that in the first (...) (21 years ago, 6-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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"Ross Crawford" <rosscraw@bigpond.net.au> schrieb im Newsbeitrag news:Hu4L6M.1Eyo@lugnet.com... <SNIP> (...) these (...) in some cases "xxx.exe /LDRAWDIR=C:/LDRAW /LDRAWINI=\\LDRAW_BOX/INI will work too. There is no standard function set in windows (...) (21 years ago, 6-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Well I don't know how mac command lines work but I was thinking along these lines: Windoze: xxx.exe /LDRAWDIR=C:\LDRAW /LDRAWINI=\\LDRAW_BOX\INI Unix: xxx --ldrawdir ${HOME}/ldraw --ldrawini /etc/ldraw You might also wanna provide old single (...) (21 years ago, 5-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) There are all sorts of network mounting tools out there. I'm not sure, but perhaps you're thinking of samba. I've used that from the unix side to be both a client and a server for Windows networks. But there are plenty of other more obscure (...) (21 years ago, 5-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:Hu4BBu.20n4@lugnet.com... <SNIP> (...) server. (...) file (...) tags (...) Most (...) <BOXES>, (...) %LDRAWDIR%\PARTS\B (...) version (...) Or (...) soft (...) There is also (...) (21 years ago, 5-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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"Lars C. Hassing" <sp.lars@am.hassings.dk> schrieb im Newsbeitrag news:Hu438x.Ko0@lugnet.com... (...) server, (...) They install everything on a NT network, using a server which hold the ldraw library and also a copy of MLCad. I recommended to do (...) (21 years ago, 5-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Here's how I see it working: 1. The admin creates an LDRAW directory on the server. 2. The admin creates extra parts directories under <LDRAWDIR> on the server. 3. The admin creates an ldraw.ini file in the <LDRAWDIR> using the new GUI program (...) (21 years ago, 5-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) How will such an installation be laid out? Will users install MLCad on their local machine and MLCad will then first thing ask the user to locate the LDrawDir, which the user specifies as e.g. L:\LDraw or \\server\LDraw ? If the search path (...) (21 years ago, 5-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Ok, I can see where I myself might use this in a pinch because I almost always run things from the command prompt. However, even I would rather set an environment variable or use some other global setting in an ini file. Why? Because if I use (...) (21 years ago, 4-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) Well to be usable, both must be implemented. (...) As I said it would only be for non-standard setups. I think the Lars' search list is ample for the vast majority of people. Those using networks, etc, probably would classify as "advanced (...) (21 years ago, 3-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) And I'm pretty sure on Mac OS X, if you use the finder to activate your program, you have no control whatsoever over the command line. So you already need another way if you want to click on a LDR file or link and have something happen. Don (21 years ago, 3-Mar-04, to lugnet.cad.dev)
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| | Re: LDRAWPREDIRS LDRAWPOSTDIRS - additional search paths
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(...) I'm not sure what you're trying to say. Do you mean "USERS need the ability to specify", or "programs need the ability to READ"? Either way, that approach is for advanced users (software geeks) only. We're trying to improve things for ordinary (...) (21 years ago, 3-Mar-04, to lugnet.cad.dev)
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