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 CAD / Development / *7575 (-100)
  Absent for a while
 
Due to classes and other things taking up a lot of my time, I've temporarily stopped working on my CAD program and other Lego pursuits. I've also turned off the LUGNET news-by-mail because I am getting too many messages. Perhaps in a few months I (...) (23 years ago, 24-Sep-01, to lugnet.cad.dev)
 
  ldraw.org MOTM & SOTM Winners for September 2001
 
Hi all, Sorry for the delay(s), here are the winners of LDraw.org's Model of the Month and Scene of the Month competitions: MOTM - Brad Hamilton's Liquid Cathedral SOTM - Duncan Jardine's Classic Space Congratulations Brad on yet *another* win. :-) (...) (23 years ago, 19-Sep-01, to lugnet.announce, lugnet.cad, lugnet.cad.dev.org.ldraw) ! 
 
  Parts Tracker Update / Looking for a few good Reviewers
 
Real quick: See the parts list at (URL) === === === === === === === === === === === === === === === === Here's the important part: There are a bunch of files submitted on the Tracker. All the submitted files -- whether they are new parts or just (...) (23 years ago, 17-Sep-01, to lugnet.cad.dev.org.ldraw, lugnet.cad)
 
  Re: Parts Tracker is Now Live!
 
(...) Hmm. There isn't currently any guide to reviewing parts. But there should be -- at least a FAQ. I'll work on it. But the important thing is common sense - to check a file, get the matching part in hand, and compare the physical part to the (...) (23 years ago, 17-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Parts Tracker is Now Live!
 
(...) Aaaah! Thanks for the explanation! (...) Well I've done it a bit at work, but nothing related to CAD or LEGO! Is there any info on obvious things to check, or anything like that? Or should I just try authoring some more parts first? Also, are (...) (23 years ago, 15-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Parts Tracker is Now Live!
 
(...) Thanks, I'm working on getting more files online... (...) Nope, those are supposed to both be there. 2546p01 is the general file, the one we'll use most often. 81379 is an 'official shortcut' - 81379 is LEGO's number for the parrot piece, (...) (23 years ago, 13-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  Re: "Tore's" boxes, special file naming instructions
 
(...) Currently MLCad takes files from the following directories in the order shown below: 1) BFC\P 2) BFC\Parts 3) P 4) Parts 5) Models 6) Current directory (that is the directory where a project has been loaded from or saved to). All other (...) (23 years ago, 13-Sep-01, to lugnet.cad.dev)
 
  Re: "Tore's" boxes, special file naming instructions
 
I looked in the primitves directory and saw that some of the files in the 48 directory had the same filename as those in the P directory. How does Ldraw/Mlcad differentiate between these files? If 3001.box is renamed to 3001.dat, and I place it in (...) (23 years ago, 13-Sep-01, to lugnet.cad.dev)
 
  Re: Parts Tracker is Now Live!
 
(...) Hi Steve, looking good! Noticed that "Animal Bird with Parrot Pattern" appears twice - once with a "_" prepended as parts 2546p01 & 81379. Is this a bug, or has it been submitted twice? ROSCO PS: I've done 1 part, does that make me (...) (23 years ago, 13-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  Re: "Tore's" boxes, special file naming instructions
 
Tore: (...) Except that the extensions "box" and "min" don't seem to correspond to the two concepts, it might be a good idea to identify the simplification level based in the file name extension. But since the file format is (I assume) still the (...) (23 years ago, 12-Sep-01, to lugnet.cad.dev, lugnet.cad.dat.parts)
 
  Parts Tracker is Now Live!
 
Yes, that's right. The moment you've all been waiting for. The new Parts Tracker is live and ready for action. Well, mostly. It's in a "pilot phase" -- think of it as a "gamma test". That means we're using real data, and it will have real results, (...) (23 years ago, 12-Sep-01, to lugnet.cad.dev.org.ldraw) !! 
 
  DO-OVER --- September MOTM/SOTM
 
Hi all, OK. Jacob has fixed things on the new server [ thanks, Jacob ], and patiently explained to me how it works, [ not an easy task :-) ] so the voting is back on. But it's a DO-OVER!! Starting from scratch, so get over there and cast your vote. (...) (23 years ago, 11-Sep-01, to lugnet.announce, lugnet.cad, lugnet.cad.dev.org.ldraw)  
 
  Re: LDA2001: My first working animation script
 
... and the result is... (URL) Kb Mpeg, [pov 800x600, AA 0.3], 256 colors nearest color optimized octree, DivX Mpeg-4, Quality=900) Each frame took 3-3½ minutes on my PII-450/128 Models are: Police Car from Datsville by Jonathan Wilson 2000 Beetle (...) (23 years ago, 10-Sep-01, to lugnet.cad, lugnet.cad.dev)
 
  LDA2001: My first working animation script  [DAT]
 
Progress report: The script below is now being correctly compiled. Remarks: Three object are created: Scene(Scene.dat), Bubbla(Beetle.dat), and Polis(Police.dat) At the first frame, Bubbla is at [-50 -28 100] and Polis is at [50 -28 50] Then, Polis (...) (23 years ago, 10-Sep-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
I like that idea. If the default view is what you said (the [0.707104 ...] matrix), then a projection matrix of 1.4142,0,0,0,1.2196,...171,1.2247 in front of it would give the same effect as the original LDRAW default matrix. I've wanted to pull out (...) (23 years ago, 7-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
(...) How about if we just separate the shearing "oblique" projection transformation from the underlying modeling transformation? I'd be happy using this for the default matrix. 0.707104,0,0.707104,...5,0.612372 I think it's a 45 degree spin and a (...) (23 years ago, 6-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
Should we change the default view to be something that is (what is the word..."only made from rotation matricies and does not produce shearing"? det(A)=1?). It bugs me that the default is flawed that way, although there are some other (...) (23 years ago, 6-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
(...) I'm not sure if I *want* to do this, I was just asking if it would be useful. I asked because I already added -cc and -ca (not sure what -cla is) to ldglite so I could move the camera enough to test my recent bug fixes. Since I tend to add (...) (23 years ago, 6-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
Don: (...) I have updated the "Getting started: On Linux" page to reflect this: (URL) have also created a page with instructions for people who only need to update their LDGLite installation: (URL) pages will be updated whenever Don reminds me of a (...) (23 years ago, 5-Sep-01, to lugnet.cad, lugnet.cad.dev)  
 
  Re: A beginning - Lugsville!
 
(...) Point taken. (...) I was hoping to use all DAT code, but am unable to. POVray's looking kind of hard inn terms of achieving the results I'm looking for. So, I'm thinking of throwing away the idea of using terrain, except as a backdrop. I could (...) (23 years ago, 5-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
Don Heyse wrote... (...) ;-) (...) If you want to make a previewer for finding a good camera setting you should adjust the camera location and look_at positions. When done, specify these two coordinates to L3P using -cc and -cla. As mentioned at the (...) (23 years ago, 4-Sep-01, to lugnet.cad.dev)
 
  Re: Animation - LDraw Object Classes - help needed!
 
(...) Cool! I'd love to. (...) I see your point. It seems like LDObject won't be the highest ancestor class anyway. I plan to define LDraw Camera and POV camera differently (but I might change my mind) Is it possible to let a compiled and (...) (23 years ago, 5-Sep-01, to lugnet.cad.dev)
 
  Re: A beginning - Lugsville!
 
(...) I think the name "Lugsville" sort of suggests that it is an "official" LUGNET thing. In that way, I think it is a bit inappropriate. But it's really up to yourself to decide! (...) Are you planning to do this in DAT code exclusively, or in (...) (23 years ago, 4-Sep-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (and POV preview question)
 
I'm not sure if I mentioned this yet, but the pesky ldglite bugs with MESA perspective mode have been fixed and a new version is up on the sourceforge. I still have to incorporate the new ldlite 2.3 bugfix for large MPD files, but it works for now (...) (23 years ago, 4-Sep-01, to lugnet.cad.dev)  
 
  Re: Pier 17 (Was: A beginning - Lugsville!)
 
Both sound good and I'm looking forward to seeing them. Gary Jacob Sparre Andersen <sparre@nbi.dk> wrote in message news:3B949EF2.7EA36F...@nbi.dk... (...) (23 years ago, 4-Sep-01, to lugnet.cad, lugnet.cad.dev)
 
  LDLite 2.3 released.
 
Version 2.3 of LDLite is now up at: (URL) LDLite 2.3 renders town.mpd correctly. 1) The -W bug is now fixed. -W3 no longer generates 5-wide lines. -W2 and -W3 now generate 3-wide lines. 2) The option "-D1" will suppress bitmap generation in (...) (23 years ago, 4-Sep-01, to lugnet.cad.dev)
 
  Re: Getting started: On Linux
 
Fredrik: (...) Correct. I have fixed it. Thanks for checking it. Jacob (23 years ago, 3-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Getting started: On Linux
 
(...) find this text: root$ mv readme.txt /usr/local/share/ldraw/ ldglite.readme I think you want to remove the last space after the slash. Fredrik (23 years ago, 3-Sep-01, to lugnet.cad.dev.org.ldraw)
 
  A beginning - Lugsville!
 
Hey, I'm in the process of building a new Datsville-like object. It's called Lugsville (please, if you've already cornered that name, let me know. I'll change it). And, I'd really like to incorporate 3d terrain into the model. So, if anyone knows of (...) (23 years ago, 3-Sep-01, to lugnet.cad.dev)  
 
  Re: Animation - LDraw Object Classes - help needed!
 
(...) creating the framework for LDraw Object Classes (...) other, easier, more flexible, better suited or (...) Interesting. Eventually I want to include an animation scripting feature in the CAD program I'm developing (which happens to be written (...) (23 years ago, 3-Sep-01, to lugnet.cad.dev)
 
  Animation - LDraw Object Classes - help needed!
 
So, finally I have made all the preparations to begin the work with creating the framework for LDraw Object Classes aimed towards animation scripting. My inspiration comes from the Borland Delphi world, but I'm open for other, easier, more flexible, (...) (23 years ago, 3-Sep-01, to lugnet.cad.dev)
 
  Re: LDraw Filter: New Version
 
Three minor bug fixes... New version, same location but 209 Kb zip. (...) (23 years ago, 2-Sep-01, to lugnet.cad, lugnet.cad.dev)
 
  LDraw Filter: New Version
 
New version, the only function still disabled is highlight. I think this version is quite useful. Just remember: the program filters *out* only those lines you select to filter out. If no filters are active, the Add button will add all lines to (...) (23 years ago, 2-Sep-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: brick 1x2 with one two sideways locking fingers on end.
 
(...) Sorry about that. I didn't know that the part had already been done :/ it looked fairly easy though so i'd though i'd take a crack at it. it would be nice if they'd come out with a new update for the Ldraw parts library soon. (23 years ago, 1-Sep-01, to lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
Thank you, Micheal. I am not following you completely, but never mind. I'm glad you like it. Hopefully, this weekend I'll have the time to improve to filTEr, with separate output files and more. Thanks, /Tore (...) (23 years ago, 31-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
Man, this thing is great! You'll be able to create completely hollow objects, filter out parts that you want to use or ones you don't want to use, export them to already-existing realtime rendering programs like Quake or Unreal or your favorite (...) (23 years ago, 31-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
Wow, that looks great. Don't really know what else to say... just wanted you to know that people were paying attention, and were interested in your results. :-) -Andy Lynch ----- Original Message ----- From: "Paul Gyugyi" <paul@gyugyi.com> To: (...) (23 years ago, 29-Aug-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
Yes, I'm trying various shadings. This one looks promising: (URL) trees in the upper left stand out well. I really like the shading on the water tower, and the green roof on the yellow house looks nice. Shading is done by taking the dot product of (...) (23 years ago, 29-Aug-01, to lugnet.cad.dev)
 
  Re: idea for next version, include ttore boxes
 
(...) Oooops, I got mixed up. (...) What would you use this for? (...) Cool! That's like the "commecial zoning" effect in Sim City. (...) You can always leave the top-most brick with studs on top. Thanks, later, Mike (23 years ago, 28-Aug-01, to lugnet.cad.dev)
 
  RE: LDGLite bug report (yes, one more)
 
(...) variations? (Fade to white, or fade to gray, or desaturate as you go back) --Bram Bram Lambrecht bram@cwru.edu (URL) (23 years ago, 28-Aug-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
I added some depth-queuing to LDLite, with a simple fade-to-black as you get away from the camera, in the hopes that it would let the green trees stand out from the green baseplates: (URL) anyone find this useful? -gyug (...) (23 years ago, 28-Aug-01, to lugnet.cad.dev)
 
  LDraw.org MOTM/SOTM voting SUSPENDED
 
Hi all, I need to temporarily suspend voting on the motm/sotm. Sorry for the inconveniance, but ldraw.org is being moved to a new server, and the voting pages kinda got left off. I started the voting pages at exactly the wrong time - when Jacob was (...) (23 years ago, 27-Aug-01, to lugnet.announce, lugnet.cad, lugnet.cad.dev.org.ldraw)  
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) Actually, we will have to suspend voting till this gets sorted out. Going to ldraw.org\motm\ now shows the pre-vote page with no access to the voting pages. So until we get the new server up and running, we will have to pause the voting. -- (...) (23 years ago, 27-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
Terry: (...) "www.ldraw.org" is moving to a new server Tuesday and I have not had time to move the CGI programs used for the voting to the new machine. I am sorry for the inconvenience, Jacob -- (URL) (23 years ago, 27-Aug-01, to lugnet.cad.dev.org.ldraw)  
 
  Re: LDGLite bug report (yes, one more)
 
I did some work on LDLite this weekend. An image of an LDLite rendered town.mpd is at: (URL) image used the -fr option to turn off lines, and has ldlite shading turned on, so it looks a little different than the others. Rendering time was 828 (...) (23 years ago, 27-Aug-01, to lugnet.cad.dev)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) Thanks I hope to have a castle scene ready for next month. Cale (23 years ago, 27-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) Too much? Did you conserve space by interlocking pieces? And yes, Cale's scene is great. I would describe it as being bucolic. -- Terry K -- (23 years ago, 26-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) I won't even touch that one.. (...) Yawn... yep. I noticed (fairly late) that I had almost forgotten about the vote. So I sat myself down and dd it. -- Terry K -- (23 years ago, 26-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) much lego in the handbag...) Voting done, though. I must say Cale's "autumn" scene was amazing. If only lego did that... -Shiri (23 years ago, 26-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: September LDraw.org MOTM/SOTM voting ready
 
(...) Oh no... (...) library ;-D <grin, duck, & run> (...) BTW - noting when you posted this....I take it you're still awake from last night? I just got up.... Tim.NH (23 years ago, 26-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  September LDraw.org MOTM/SOTM voting ready
 
That time o' the month, Vote now or forever hold your pieces.... (URL) ya in a week, -- Terry K -- (23 years ago, 26-Aug-01, to lugnet.announce, lugnet.cad, lugnet.cad.dev.org.ldraw)
 
  Re: Error in Technic axle extender?
 
(...) Yes. This has been discussed before. The original version of the part looks like the one in the library, while the new one is the way you describe. I have a few of the original axle extenders from 8857 Street Chopper. BTW, lugnet.cad.dat.parts (...) (23 years ago, 26-Aug-01, to lugnet.cad.dat.parts, lugnet.cad.dev)
 
  Sorting parts by location
 
Does anyone know if there exists a utility to sort parts in a model file by their "cut plane" location? I know I can sort by X Y or Z values but what I am actually interested in is sorting using a cut plane that is perpendicular to the eye vector in (...) (23 years ago, 25-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
Currently I am _trying_ to make a microfig or nanofig model the "Defiant" from Star Trek Deep Space 9. I do it in MLCad, not for real. I started with the bridge and started building somewhere in the middle. Then I put parts on top and under the (...) (23 years ago, 23-Aug-01, to lugnet.cad.dev, lugnet.cad.dat.models)
 
  Re: LDraw FilTEr
 
(...) Yes, that's right. I forgot to remove the code that referred to box replacements. (...) It's about as far as I've reached. You can change color of the objects in all selected lines and save by overwriting the input file. (...) Yes, just (...) (23 years ago, 23-Aug-01, to lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
Hi Tore, I get "Cannot open file C:\LDRAW\boxes.lst" when I start it. Then it runs but the only thing I can seem to do is selecting and unselecting lines. Is it possible to filter all parts out that share the same y coordinate? Greetingz... Sjaacko (23 years ago, 23-Aug-01, to lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
First version: A lot of features still grayed-out. But you can: * filter x, y, z, color, line type (URL) (200 Kb) Some feedback, please! Is it worth working on? /Tore (...) (23 years ago, 22-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDraw FilTEr
 
interesting. Gary Tore Eriksson <tore.eriksson@mbox3...wipnet.se> wrote in message news:3B813E9A.6D7C1F...pnet.se... (...) of if you watch this: (...) CheckBoxList. The boxes are not yet drawn. (...) (23 years ago, 20-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
(...) screen (...) to (...) your (...) I would attack the problem thusly: Upon application startup, record the locale-specific decimal separator variable into a global variable named UIDecimalSeparator. Create wrappers for FloatToStr and StrToFloat (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Technic Link vs Technic Rod
 
(...) I agree. Also the newly created part 32293 should be renamed "Technic Rod 9 L" Marc Klein A Mindstorms fan. (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
"Tore Eriksson" <tore.eriksson@mbox3...wipnet.se> skrev i meddelandet news:3B8154F2.D99058...pnet.se... (...) national settings? The problem is that numerical constants in the code must always adhere to the English notation (decimal point). (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
Careful manipulation? All I need to do is add the line DecimalSeparator := '.'; to FormCreate and all my problems are gone! Gary, you are a hero! I'll check out ThousandSeparator later. Thanks again! /Tore (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
(...) With careful manipulation of the DecimalSeparator and ThousandSeparator global variables, one could write a Delphi app that reads/writes periods (full stop symbols) from/to DAT files, but displays the locale-specific symbols to the user and (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
Aah, that explains a lot. Thank you for your quick reply! /Tore (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: Delphi and decimal signs.
 
(...) national settings? f := 3.14; // correct f := 3,14; // error f := StrToFloat('3.14'); // correct f := StrToFloat('3,14'); // error s := FloatToStr(3.14); // s is assigned '3.14' -Gary (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Delphi and decimal signs.
 
Look at following Delphi code: s: string; f: double; i: Integer; begin f := 3.14; // correct f := 3,14; // error (of course...) f := StrToFloat('3.14'); // error f := StrToFloat('3,14'); // correct s := FloatToStr(3.14); // s is assigned '3,14' Is (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  LDraw FilTEr
 
I played around a little with an idea I had from working with ldboxer. No code is written yet, but you'll get a good idea of what I am thinking of if you watch this: (URL) (43 Kb) Just like in the ldboxer, the presentation of the Input File will be (...) (23 years ago, 20-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: BFC revisited
 
(...) I double-checked the primitives I had, to make sure they were OK. I zipped them up, and posted them on my Geocities site. You can grab a copy from (URL). Steve (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Technic Link vs Technic Rod
 
The name of part 2637 "Technic Link 16L" is a bit problematic, because it interferes with the 3711 "Technic Link Chain" and 3873 "Technic Link Tread". Would it make sense to rename 2637 to "Technic Rod 16L"? That way, it would appear in it's own sub (...) (23 years ago, 20-Aug-01, to lugnet.cad.dev)
 
  Re: BFC revisited
 
Gary Williams wrote... (...) Steve, please note that Gary pointed out that some parts are badly formatted... "l3p -check" doesn't complain, as "0 CERTIFY BFC CW" is a perfectly legal comment :-) I don't think l3p easily can be made to check this, "0 (...) (23 years ago, 19-Aug-01, to lugnet.cad.dev)
 
  Re: BFC revisited
 
(...) Cool! (...) will do. (...) I'm not understanding the problem. I've made versions of the sloping cylinders that are bfc-compliant. (...) Do you mean the problem (not just with sloped cylinders) that sometimes primitives are used for the outside (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  Re: Getting started: On Linux
 
Don: (...) :-) (...) Done. Jacob (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Getting started: On Linux
 
(...) switching it to version 0_9_1d? That's probably going to be the current version for a while. It's got the part inliner and most of the goodies I wanted to add to the LEdit emulation mode. Anyways, I've stopped working on the LEdit mode for (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: LDGLite bug report (yes, one more)
 
(...) I think it's gonna be a while before I can get organized enough to roll a new release, but this edge line option, as well as the camera and near/far clip plane controls, have been added to the sources if you want to try it out. You can get (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  Re: Getting started: On Linux
 
"Jacob Sparre Andersen" <sparre@nbi.dk> wrote in message news:GI7M3y.E8n@lugnet.com... (...) Actually, the rating system never came into full effect. Right now, I leave it at whatever the author puts on it - which leaves it a bit skewed. Ideally, (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: BFC revisited
 
(...) I would appreciate that. -Gary (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  Re: Getting started: On Linux
 
Great. I will have to take a look, because I still did not succeed to get things running on Linux :-( (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Getting started: On Linux
 
Fredrik: (...) Yes. It was just slightly confusing for me to get it to work with non-wrapped lines. Does it look better now. (...) I think it is whatever mood Tim is in, that decides, but Tim will have to answer that himself. Play well, Jacob -- (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Re: Getting started: On Linux
 
(...) to be done to get started with LDrawing. Just one comment on the URLs: They appear to be line wrapped, e.g. in Step 1: user$ wget (URL) linux-ldraw-library.tar.gz Wouldn't this be somewhat confusing for the user? There's also a similar example (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev.org.ldraw)
 
  Getting started: On Linux
 
I have updated my installation guide for getting started drawing and viewing building instructions on Linux: (URL) has created a similar - somewhat more extensive - page for Windows users, and a MacOS specific page should also be on its way. Have a (...) (23 years ago, 17-Aug-01, to lugnet.cad, lugnet.cad.dev.org.ldraw)  
 
  Re: Datsville Overview Map (Was: Boundary Box Utility)
 
(...) I think realtime rendering qualifies as above statement (23 years ago, 17-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: BFC revisited
 
I have printed the bfcspec file for review. Hopefully I will get a response back to you. I have been using BFC in most all my new parts for the last six months or so. Please send me the BFC compliant primitives, so that I can be sure I am using them (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  Re: BFC revisited
 
I forgot to mention: if anyone is interested in looking at the most-recent version of the BFC proposal, it's still at: (URL). The first screen of text is meta-comments about the status of the proposal. The actual proposal starts at the line "LDraw (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  Re: BFC revisited
 
There was never agreement on what the BFC standard should be. So there aren't very many parts that follow it in any way. I do have a set of primitives that are BFC-compliant. I didn't straighten out all the primitives, but I did a number of them. I (...) (23 years ago, 17-Aug-01, to lugnet.cad.dev)
 
  BFC revisited
 
I'm looking for a model file that utilizes BFC-certified parts to test backface culling in the CAD application I'm developing. Unfortunately, as near as I can tell, only 13 part files have a BFC-related comment, and on top of that, they're not (...) (23 years ago, 16-Aug-01, to lugnet.cad.dev)
 
  Re: Datsville Overview Map (Was: Boundary Box Utility)
 
Here is another idea for optimizing dat models. It isn't a very good one, but, it just seems more realistic than what I said earlier (writing a utility smart enough to optimize an entire model). One could write a utility that presents each polygon (...) (23 years ago, 16-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
Don: (...) Definitely. (...) Yup. :-( Jacob (23 years ago, 16-Aug-01, to lugnet.cad.dev)
 
  Re: Datsville Overview Map (Was: Boundary Box Utility)
 
You could specify (or firmly recommend) in the future that models must posses boundary boxes measured in degrees of tilewidths (or half-tilewidth's). Anything less than that would be considered a prop. Props would then be dealt with seperately, just (...) (23 years ago, 16-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Datsville Overview Map (Was: Boundary Box Utility)
 
Of course, the same could be accomplished in LDraw. Mike (...) (23 years ago, 16-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Datsville Overview Map (Was: Boundary Box Utility)
 
This is great! An idea: if bitmaps were created of the model from 6 directions (left, right, bottom, top, front, back), you could texture map those to the boundary box (inside, to make sort of a 6 point, 3 plane cross intersecting in the center) and (...) (23 years ago, 16-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Help Needed: Boundary Box Utility
 
(...) Don't thank me, thank Lars. It's mostly his code. Now if only he'd release some more of it... ;^) (23 years ago, 15-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Datsville Overview Map (Was: Boundary Box Utility)
 
That's it for tonight. I bboxed the parts of Datsville and labelled them after their names in town.dat (URL) (19 Kb) Next step: adding *a few* key buildings to help orientation. Tomorrow... /Tore (23 years ago, 15-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Help Needed: Boundary Box Utility  [DAT]
 
Thank you very much! I tested it on "my home" in Datsville, and it worked perfectly well, exactly as I want it to. With these two lines and viewed in L3Lab, any flaws would have been discoved: 1 16 0 0 0 1 0 0 0 1 0 0 0 1 ttore.dat 1 47 0 0 0 1 0 0 (...) (23 years ago, 15-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: Help Needed: Boundary Box Utility
 
(...) [snipped: How-To instructions for making this from L3Input.cpp] (...) Ok, I decided to give this a shot during my lunch break. I hacked ldglite to bits and the results (source and win32 exe) should be here. (URL) to work for 3001.dat, but (...) (23 years ago, 15-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  datsville changes...
 
1.I have a newer version of Datsville Petrollium than the one included with the current Datsville MPD (this version is the version that was featured as the ldraw.org model of the month & at kidvention) & since I hold the copyright on the model I (...) (23 years ago, 15-Aug-01, to lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
Haaaaaa!! That's a funky image! Datsville at hyperspeed! You could save that image in case you want to mix the Datsville and Star Wars themes. :) Mike (...) (23 years ago, 15-Aug-01, to lugnet.cad.dev)
 
  Re: Datsville continuation - more ideas
 
Hey, no problem. I just browse Lugnet every once in a while to see if any progress on such a utility exists. I notice there has been little mention of such a thing in the newsgroups in the past. It would be a "cool" toy. Thanks, Mike (...) (23 years ago, 15-Aug-01, to lugnet.cad, lugnet.cad.dev, lugnet.cad.ray)
 
  Re: Datsville continuation - more ideas
 
(...) If I understand the question correctly, and from my understanding of how a ray- tracer works, Pov-ray must keep all polygon data while it renders since it "traces" all the light rays, even those that you can't see (inside of a brick). It (...) (23 years ago, 14-Aug-01, to lugnet.cad, lugnet.cad.dev, lugnet.cad.ray)
 
  Re: Help Needed: Boundary Box Utility
 
Thank you Don. I will give it a try tonight, but I'll probably fail. I'll let you know. I need it for two purposes: 1. Making an overview map of Datsville from the subdivision in town.dat. (Maybe post-editing of the Y and E values by hand). 2. (...) (23 years ago, 14-Aug-01, to lugnet.cad, lugnet.cad.dev)
 
  Re: LDGLite bug report (yes, one more)
 
(...) It may be OpenGL implementation specific because I remember the Mac version of ldglite had a similar problem. I've run the datsville mpd file on a few Windoze machines and it clips the model at the far plane, but doesn't add the garbage you (...) (23 years ago, 14-Aug-01, to lugnet.cad.dev)


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