 | | Re: BFC: LITS 2
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(...) Actually, the problem is that their determinant is 0, neither positive nor negative. So the renderer would have to disable BFC processing for any file with this kind of reference. Another problem (that L3P handles in most cases) is that (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC: LITS 2
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(...) Oh, good. :) I wasn't sure before, but after posting a follow-up to John today, I figured it out. Now, about those transparent parts with decorations... Steve (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC: LITS 2
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(...) I think we're using different meanings here. By 'local clipping', I mean the clip-setting in a subfile disappears when that subfile is finished. It is not carried back up to the superfile, and it is not reinstated if the same subfile is used (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | LDRAW Troubles
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|
I have LDRAW, downloaded from LDRAW.org, and I keep getting a runtime error 200. I downloade and ran the patch that the site has. Still doesn't work. Any advice? (25 years ago, 7-Apr-00, to lugnet.cad)
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| | Re: BFC: LITS 2
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(...) Unless we have a solution to the invert case, the document's assertion is correct. (...) I think you are correct that NOWIND/UNKNOWN is not important/needed. For now, let's proceed assuming that decorations will be handled by using NOCLIP or (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Horse Progress Report
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(...) Cheers, - jsproat (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: BFC: LITS 2
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(...) I've kept thinking about it, and I don't see a solution. There are some algorithms that can figure out the normal/inverted question in some cases, but these algorithms would be too slow to implement in a rendering program. And they are not (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Horse Progress Report
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(...) Thanks. :) (...) Thanks for the hint, Steve. I'll give it a try. But if you're wrong, my daughter will not be too happy about you! :o) /Tore (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: '59 Caddy Hovercar Raytraces
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|
this is quite cool, bram. i particularly like the use of pink elements and the bubble over the cockpit/driver's seat. it opens up a whole new range of possibilities (flying versions of classic cars). good stuff! ..joseph g (...) (25 years ago, 7-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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| | Re: Is James' website finally gone for good?
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|
(...) Tim, do you want to ask them, as the head honcho of ldraw.org content? Jacob, do you have a copy of James' site-files? I do, if you don't. Oops--I just checked, his site is back online. But maybe it makes sense to have a permanent mirror in (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev.org.ldraw)
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| | Re: Mladen's HW Police Copter (alternate colors)
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thanks, john i've also done that color scheme (i call it space police III) for a couple of my own models just for fun. if you liked the sub-theme color-swapping check out roger rothhaar's page, (URL) got some very cool models (mobile outpost and (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.models, lugnet.build)
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| | Re: 71184 Bar 4.5L Straight is too short
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|
(...) I don't have the fix, but I did locate it on lugnet.cad.dat.parts. Normally, I'd require you to e-mail me the fix before I'd put it in an official release, but since you're a good modeler, I'll let it go this once. Just don't tell anyone. ;) (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) OK, here's a counter-proposal: don't require all parts/primitives to be BFC'able, and allow both BFC-ready and BFC-not-ready files in the same rendering. This reintroduces the concept of having a single meta-statement at the start of each (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Performance Improvement [DAT]
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|
(...) As I said before, in this case it's more correct to use 3-4disc primitive, to avoid the T type juntions. (...) Yes, cracks may appear ! Same problem like in a T type junction But has someone said, nothing like real/concrete testing, so here (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Horse Progress Report
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|
(...) It's looking good. I think your mesh is fine. BTW, you can dissassemble a horse using a letter opener. The two halves of the body are just friction-fit together, not permanently connected (ie, they are not glued, cemented, nor welded). I think (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | recommendation for stl2dat (was Re: Are anybody working on the Star Wars Battle Droid arms?)
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|
A few recommendation when using CAD -> convert program(ex:stl2dat) to modelise parts: - The tesselation paramater should be set so that a regular cylinder is output with 16 facets. In Solidworks, this is done by setting the minimum angle to 22.5 deg (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: 167.dat Technic Liftarm 1x7 decorated (also known as Throwbot leg, or Starwars battle droid arm)
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(...) Thanks. Also thanks to Solidworks team for their powerful tool ! (...) Yes. The STL format says that the triangles must be CW, so of course stl2dat keeps this information. I did not yet add the BFC macro, I think I will add this for (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: '59 Caddy Hovercar Raytraces
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|
I didn't know that about POV-ray. The only things I've rendered in it have been floating in space, so I've never tried something hovering over a reflective surface. Is the POV file available for download somewhere? I need a 1024x768 version for my (...) (25 years ago, 7-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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| | Re: Performance Improvement
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|
Steve: (...) I can't see how Rui's suggested change gives any problems at all and I don't mind a few percent speed increase. (...) And? Does the "diameter line" not cross the radius? If there is a significant risk of a misalignment, then we (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
On Fri, 7 Apr 2000, Leonardo Zide wrote: [...SNIP...] (...) Actually I think you missunderstood something (or maybe I did), but the 0 INVERSE meta command is to be used ONLY with file references, that is: 0 INVERSE 1 16 x y z a b c d e f g h i (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC checking program (was Re: Some Words To BFC)
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I seem to be missing a required .dll file: MFC42D.DLL. Can you send this, or can I find it somewhere else? -John Van (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC [DAT]
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(...) I don't mind that because I preprocess the files anyway and anyone who wants to get a good speed increase should do the same. But it's not a good idea to turn on/off BFC several times and in some cases, it's nicer to have the faces reversed. (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | BFC checking program (was Re: Some Words To BFC)
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(...) I'm assuming that you're calling "BFC-ready" primitives that have all faces in the same direction. Primitives are not closed volumes so you'll always be able to see the backfaces. (...) I agree technically it doesn't make much difference, I (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Mladen's HW Police Copter (alternate colors)
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|
This is a very well-done model! I'm going to have to try this out IRL--maybe in M-Tron colors. -John Van Joseph Gonzalez <hsadm2.jgonzale@ema...ate.ut.us> wrote in message news:FsKCGL.238@lugnet.com... (...) police (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.models)
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| | Re: 167.dat Technic Liftarm 1x7 decorated (also known as Throwbot leg, or Starwars battle droid arm)
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|
Another impressive part, Marc. It looks like it needs little edgelines added where the "fins" slope down and meet the outer surface. The two fins that protrude into the outer surface have the lines, but the others don't. Great job! Does stl2dat (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Is James' website finally gone for good?
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|
(...) Good idea. I know James parents are in Europe for another week or so I believe - they get back on something like the 14th if I remember correctly. -Tim (URL) timcourtne ICQ: 23951114 (25 years ago, 7-Apr-00, to lugnet.cad.dev.org.ldraw)
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| | Horse Progress Report
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Because many people have asked, I would like to annouce that the body of the horse is now almost finished. The progress can be monitored from the TTracker: (URL) from the picture I now and then update: (URL) do hope to get enough time this weekend (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts) !
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| | (canceled)
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| | Stickers [DAT]
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Hi, I restarted my work on the stickers. Because of a few "problems" with the casting of shadows from floating stickers (floating, because if they are flat on the brick they are not seen in tools like ldraw or mlcad, they need to float about 0.2 (...) (25 years ago, 7-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Is James' website finally gone for good?
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|
Steve: (...) It would be very sad if all his work is lost, so we should definitely offer to host the site on ldraw.org, unless James' parents have another idea. (...) I think we should ask them about it. - And also ask if it is ok to continue the (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev.org.ldraw)
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| | Re: Parts That Don't Render Correctly
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|
(...) You can go via www.ldraw.org -> download -> software -> L2P. Fredrik (25 years ago, 7-Apr-00, to lugnet.cad.ray)
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| | Re: '59 Caddy Hovercar Raytraces
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|
(...) Thanks. (...) It's an optical illusion--well, actually, it's probably just a limitation of POV-Ray. AFAIK, reflective surfaces in POV don't actually reflect the light rays that bounce off of them, so no light reaches the bottom of the car, so (...) (25 years ago, 7-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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| | Re: '59 Caddy Hovercar Raytraces
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(...) Probably he just omitted the round things to save rendering time. Alan (25 years ago, 6-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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| | Re: Parts That Don't Render Correctly
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|
In lugnet.cad.ray, Steve Bliss writes: [snip] (...) [snip] i just thought of an interesting idea that would TEMPORARILY solve the 'decal lines' problem: have an option for l3p to check the input for linetype 2's, and make a REEEALY thin cylinder (...) (25 years ago, 6-Apr-00, to lugnet.cad.ray)
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| | Re: Some Words To BFC
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|
Steve Bliss <blisses@worldnet.att.net> wrote in message news:a5mpess6nipq4bp...4ax.com... snip (...) Me too. -John Van (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: '59 Caddy Hovercar Raytraces
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|
Very cool! Did you do anything special to the bottom of the car in the ray-trace? In the reflection, it looks almost like you have placed tiles there upside down, but the MPD has plates for the bottom. Or is it an optical illusion? James (...) (25 years ago, 6-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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| | Re: 71184 Bar 4.5L Straight is too short
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|
(...) Yeah, I fixed it once (and posted the fixed file), but I don't know if my fix ever made it to an official update... --Bram Bram Lambrecht / o o \ BramL@juno.com ---...---oooo-----(_...o---...--- WWW: (URL) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
Steve Bliss <blisses@worldnet.att.net> wrote in message news:i86oessafp98dp6...4ax.com... (...) These are both very good criticisms of my proposal--so I'll just modify my proposal :) If we fix all the official parts, then the renderer doesn't (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) As someone pointed out once, it's not a big deal to get all windings the same before passing the data to OpenGL. Just swap the order of the points. For quads, switch points 2 and 4. For triangles, switch points 2 and 3. This could/should be (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Parts That Don't Render Correctly
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(...) Nope. These parts are modeled using lines to represent the corrugations. L3P drops the lines, because POV-Ray doesn't *do* lines. So you end up with smooth parts. There are some other LDraw parts which suffer from similar problems. (...) Not (...) (25 years ago, 6-Apr-00, to lugnet.cad.ray)
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| | Re: 71184 Bar 4.5L Straight is too short
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|
(...) I'll doublecheck this issue tonight. Seems like we had this discussion before, but I don't remember the details. Argh. Steve (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) The primitives should be the first thing fixed, in any case. :) I think it would be safe for the cleanup program to assume that primitives are BFC-ready. Which could be a help for automatic cleanup of part files. (...) Some technical points: (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Parts That Don't Render Correctly
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|
I have noticed that the shutters for the 1x4x3 town windows and the hinge train gate don't render properly. I use the standard L3P output and render at the highest settings but they always come out smooth. The corrugated brick does fine though. Is (...) (25 years ago, 6-Apr-00, to lugnet.cad.ray)
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| | Re: Some Words To BFC
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|
(...) Would it help to get primitive files cleaned up, and then make use of what is known of the faces in the primitive to decide the orientation of faces in the part? What I mean is, if you follow a ray from the center of a face, and the (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: The geometry of minifigs
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(...) No, it doesn't. But it has the head, arms, hands, legs and hips. Fredrik (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| |
| | 71184 Bar 4.5L Straight is too short
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|
Hi, I just noticed that the part "71184 Bar 4.5L Straight" is too short. According to my findings, it should have been approx 8 LDU longer. Fredrik (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Is James' website finally gone for good?
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|
I just tried to access James Jessiman's parts reference site. See (URL). It came up as not found, as did James' home page. This has happened sometimes in the past, but I also tried to access the main site, (URL). This page makes it sound like the (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev.org.ldraw)
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| |
| | Re: Are anybody working on the Star Wars Battle Droid arms?
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|
(...) cad modeller and then converted by stl2dat ! wasn't it ? I would like to recommend you and every body else which will use this type of lego part building (CAD -> convert program(ex:stl2dat)), to be very carefull with the tesselation (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) When do you actually stop, when you find the correct orientation ? or after a few fixed iterations ? Eventually you could end up with an infinite loop if you are not carefull. That method does NOT really garantees any correct results due to (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Flag 2 x 2 With Black Falcon Pattern
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|
I see the same "bowties" (as with the shield and minifig torso) when I view this in MLCAD. :-( Sorry... Thanks, Franklin (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: The geometry of minifigs
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|
(...) Da, you are correct. I'd go with the (14,0) shoulder position -- it has better (hidden) precision. 14.345 is derived, as you pointed out, and it is rounded. Does LGEO have the minifig torso? It'd be so nice to have truly rounded edges and (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Minifig Torso With Wolfpack Pattern
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|
Oh, BTW, something else. When viewing this DAT file as well as the one for the Black Falcon torso, you've got the same bowties as the ones I noticed for the shields. Obsessive-Compulsive Disorderly Yours ;-) Franklin (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: The geometry of minifigs
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|
(...) Ok, thanks. I understand. It's not interesting for me (in this setting) to know the angles and offsets of the _true_ minifig. What is of interest is the values that were used to _model_ the minifig. This is because what I want to do is to pose (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Are anybody working on the Star Wars Battle Droid arms?
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|
(...) minifig scale battle droids from the LEGO System Star Wars theme. Of course, I am also very happy to see that you are working on the larger version you showed me above. Great work! Fredrik (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Flag 2 x 2 With Black Falcon Pattern (silver subpart) [DAT]
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|
0 Flag 2 x 2 With Black Falcon Pattern (silver subpart) 0 Name: 2335p04a.dat 0 Author: Chris Dee (pattern) 0 Author: Jonathan Wilson (placement) 0 Unofficial Element 4 16 -8.50 6.50 -10 -10 5 -10 0 5 -10 0 6.50 -10 4 16 -8.50 6.50 -10 -10 5 -10 -10 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| |
| | Minifig Torso With Black Falcon Pattern (silver subpart) [DAT]
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|
This is a repost because I discovered that all the 2 lines were still color 15. 0 Minifig Torso With Black Falcon Pattern (silver subpart) 0 Name: 973p04a.dat 0 Author: Steve Bliss (torso) 0 Author: Chris Dee (pattern) 0 Author: Jonathan Wilson (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Flag 2 x 2 With Black Falcon Pattern [DAT]
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|
0 Flag 2 x 2 With Black Falcon Pattern 0 Name: 2335p04.dat 0 Author: Jonathan Wilson (placement) 0 Author: Chris Dee (pattern) 0 Unofficial Element 1 16 0 0 0 1 0 0 0 1 0 0 0 1 S\2335s01.dat 1 383 -8 4 30 0 0 -1 0 1 0 1 0 0 2335p04a.dat 4 0 2 10.50 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Minifig Torso With Wolfpack Pattern
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(...) My fault, the part file I have is p05.dat. I guess I copied the line from the falcon torso & forgot to change the number. (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Minifig Torso With Wolfpack Pattern
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(...) Danger, Will Robinson! Danger! This is the same "P" number ("973p04.dat") as the one you gave the Black Falcon torso. (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Some Words To BFC
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|
(...) When it finds that any face of a primitive needs to be inverted. We would have to fix the current primitives so that all faces are pointing to the same direction. Take a look at the sphere primitive for example, it has faces pointing inside (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) I can't speak for the other programs but if you allow a part to have CCW and CW faces in any OpenGL program, it's going to be slower (but as LeoCAD's library is pre-processed than it won't be a problem). If you have some parts BFC compliant (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) That would be the fastest option for rendering. (...) If anyone wants to take a look and help, I can send the source to what I have done so far (it needs VC++ 5.0). I have started working and I won't have much time to improve it. (...) I still (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
|
|
(...) I agree that an automatic process might not always work 100% but it can make parts almost perfect and with only a small effort you'll be able to completely fix them. (...) I think I'm using what you call odd/even, I cast a ray from the center (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
(...) If you use a 3D card then the speed increase from BFC becomes negligible, I've tried to activate BFC on LeoCAD and it didn't show a big difference with the current library. Keep in mind that the current cards (except the newer GeForce) have a (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| |
| | Re: Are anybody working on the Star Wars Battle Droid arms?
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|
(...) Have a look here (URL) Klein A Mindstorms fan. (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| |
| | 167.dat Technic Liftarm 1x7 decorated (also known as Throwbot leg, or Starwars battle droid arm) [DAT]
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|
It is not yet finished, I have to add the little helix inside the circle. 0 Technic Liftarm 1x7 decorated 0 Name: 167.dat 0 Author: Marc Klein 0 Created with stl2dat conversion tool 0 Un-Official LCad part 1 16 0 -8 0 6 0 0 0 6 0 0 0 6 2-4cyli.dat 1 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | stl2dat converter now read binary stl
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|
Good news for Autocad part developers ! My stl2dat converter now reads binary stl files. It recognises binary files automatically. I also introduced a new option to set the origin, because some cad-cam programs can only produce stl files where all (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: The geometry of minifigs
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|
(...) No, the part is authored with an angle of 9.782. The (x,y) values of the lower facet of the shoulder is (14.345,2) and that at the waist is (19,29) - hence 4.655/27. Or alternatively the top of the torso is (14,0), giving 5/29 - the same (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| |
| | Are anybody working on the Star Wars Battle Droid arms?
|
|
Are anybody currently working on the Star Wars Battle Droid arms? I would like to use these in a model, and would be quite happy with some simple mock ups. Thanks! Fredrik (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: The geometry of minifigs
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|
(...) Thanks. Can I safely assume that the author used 10 degrees when modeling the part? BTW: This is just what I find unuserfriendly about the parts library: You had to reverse engineer the part to find the angle. I'm sure the information I asked (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| |
| | Minifig Torso With Wolfpack Pattern [DAT]
|
|
0 Minifig Torso With Wolfpack Pattern 0 Name: 973p04.dat 0 Author: Steve Bliss (torso) 0 Author: Chris Dee (pattern) 0 Author: Jonathan Wilson (placement) 0 Unofficial Element 1 16 0 0 0 1 0 0 0 1 0 0 0 1 s\973s01.dat 1 383 0 12 0 0.50 0 0 0 0.50 0 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| |
| | Minifig Torso With Black Falcon Pattern (silver subpart) [DAT]
|
|
0 Minifig Torso With Black Falcon Pattern (silver subpart) 0 Name: 973p04a.dat 0 Author: Steve Bliss (torso) 0 Author: Chris Dee (pattern) 0 Author: Jonathan Wilson (placement) 0 Unofficial Element 4 16 -8.50 6.50 -10 -10 5 -10 0 5 -10 0 6.50 -10 4 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| |
| | Minifig Torso With Black Falcon Pattern [DAT]
|
|
0 Minifig Torso With Black Falcon Pattern 0 Name: 973p04.dat 0 Author: Steve Bliss (torso) 0 Author: Chris Dee (pattern) 0 Author: Jonathan Wilson (placement) 0 Unofficial Element 1 16 0 0 0 1 0 0 0 1 0 0 0 1 s\973s01.dat 1 383 0 0 0 1 0 0 0 1 0 0 0 (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: New Part: Castle Shield with Wolfpack Pattern
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|
(...) So it's obvious what I copied from one part to the other, huh! Thanks for making the fixes - I'll make sure the revised versions go in for the voting. Chris (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: New Part: Castle Shield with Black Falcon Pattern
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|
(...) I'll check all of these out - guess I skimped on the QA with "L3P -check". Apologies, Chris (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Some Words To BFC
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|
(...) the (...) therefor (...) I would suggest to make the meta-commands for the renderer as simple as possible and move all other corrections to external programs or functions. I believe that what we have of BFC in MLCad for example is good enough (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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|
OK. I've thought about most of John's posting, and I think I'm ready to make an intelligible response. Just to be sure I caught everything, here's a (hopefully quick) re-iteration. The major differences between John's proposal and the proposal I (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) What would you suggest simplifying or removing? (...) How do you mean? What is a 'bad definition' in a matrix? Having a negative determinant? And what do you have to do to correct it? My understanding was that the rendering program could (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) That's not always possible, as has been discussed. And is still being discussed... (...) Yeah, that's a possibility. (...) OK, but that's a complication for the rendering engine. It would have to check the actual path of each file, after the (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) Good point. We definitely *should* muddy this discussion up with some real facts. ;) (...) Yes and no. Something that's easy to do is definitely less of a 'requirement' than something that's a lot of work. But it's still a requirement, placed (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: New Part: Castle Shield with Black Falcon Pattern
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(...) oops. that should be adding the blue polygons around the edge to fill out the torso. (...) I didnt see that you had hardcoded the shield in grey... (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: New Part: Castle Shield with Black Falcon Pattern
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You little beauty, chris. Now if we can only get the torso (the scan in the torsos plan fell through because the guy never got back to me). Could the torso be done by taking the pattern from this piece & shrinking it down a bit, then adding the edge (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Mladen's HW Police Copter (alternate colors)
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I am at a loss of speech... Thank you so much Joseph for actually downloading the HWPH file and playing around with it! I am so shocked because about a year ago I was going through all you models and getting inspiration from them! I'm just so happy (...) (25 years ago, 6-Apr-00, to lugnet.cad.dat.models)
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| | Re: Some Words To BFC
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Steve Bliss <blisses@worldnet.att.net> wrote in message news:4qbnescr7hii5bq...4ax.com... (...) I hope it doesn't cause indigestion :-) -John Van (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: New Part: Castle Shield with Black Falcon Pattern [DAT]
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Chris, I noticed another set of "bowties" along with some work-arounds. 0 4 15 4 21 -10 7 21 -10 4 23.5 -10 3 22 -10 3 15 3 22 -10 4 21 -10 4 23.5 -10 3 15 4 21 -10 4 23.5 -10 7 21 -10 0 4 0 -4 21 -10 -7 21 -10 -4 23.5 -10 -3 22 -10 3 0 -3 22 -10 -4 (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.parts)
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| | Re: One more town wall
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Hi Brian, Brian Sauls <barbcue@nospam.home.com> wrote in a message: FsIo7L.7qH@lugnet.com... (...) of (...) The whole design I got from the accient town walls (and city) of Rothenburg o.d. Tauber in Germay. The town walls are of that height, because (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.models)
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| | Mladen's HW Police Copter (alternate colors) [DAT]
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I just had to play around with this terrific model by Mladen Pejic (URL) dropped the heavy armaments and changed colors to a black-and-white police type cruiser. Please note that this is an original design by Mladen Pejic. 0 Name: PHELI.DAT 0 (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.models)
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| | Re: Some Words To BFC
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Steve Bliss <blisses@worldnet.att.net> wrote in message news:v96neskqugbi18b...4ax.com... (...) use to (...) object (it (...) faces (...) choose (...) in some (...) required to (...) the (...) You make a very good point here, Steve (especially (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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I need to digest this. I'll respond tomorrow. Steve (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Performance Improvement
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Rui, I think that it's better to keep the 4-4disc and 2-4disc files the way they are. The current configuration is more flexible, requires fewer special-size primitives, and is less likely to be mis-applied. The new proposal would only provide a (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: New Part: Castle Shield with Black Falcon Pattern [DAT]
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Chris, When I display this DAT file in MLCAD, I get a couple of "bowties". I've taken the liberty of finding the errant lines and providing solutions for them. 0 4 16 15 7 -10 18.72 6.03 -10 14.93 15.68 -10 12 14 -10 4 16 18.72 6.03 -10 15 7 -10 (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.parts)
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| | Re: New Part: Castle Shield with Wolfpack Pattern [DAT]
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Chris, When I display this DAT file in MLCAD, I get a couple of "bowties". I took the liberty of finding the errant lines and finding a solution for them. 0 4 6 15 7 -10 18.72 6.03 -10 14.93 15.68 -10 12 14 -10 4 6 18.72 6.03 -10 15 7 -10 14.93 (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Sphere Primitive
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(...) You'd have to ask James these questions. Only he would know. It *looks* like the non-planar quads could be a rounding error, or rounding limitation, since he used just 2 decimal places. Steve (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | New Part: Castle Shield with Wolfpack Pattern [DAT]
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Another of the easier shields (putting off figuring out the fine detail of the dragon and lion motifs !) 0 FILE 3846P02.dat 0 Castle Shield with Wolfpack Pattern 0 Name: 3846p02.DAT 0 Author: Chris Dee (chris_w_dee@hotmail.com) 0 Unofficial Element (...) (25 years ago, 5-Apr-00, to lugnet.cad.dat.parts)
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| | Re: Some Words To BFC
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Chuck Sommerville <chucks@he.net> wrote in message news:FsK824.2vK@lugnet.com... (...) I was talking about rendering engines like LDLite, MLCad, L3Lab, etc. You are correct that BFC won't help ray tracing. The big thing that would help ray tracing (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) In other words, every face in a subfile will have other faces in the part-construction that will form the other side of the solid, right? That sounds correct. (...) There are only a couple of non-symmetrical primitives, but they are used (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) BFC wont help ray tracers. Just because a surface isn't visible from the _current_ camera position, doesn't mean it doesnt cast a shadow or a reflection. Ray tracers need those backsides. -Chuck (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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koen <koen.jordens@studen...ven.ac.be> wrote in message news:FsK5CI.BxG@lugnet.com... (...) time, (...) "Fast" is a relative term. For very large models, Datsville for example, it takes long enough to render that even a 30% increase in speed makes (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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I've got a little question. Why are you working so hard on BFC. The rendering in Ldraw, L3lab, MLcad,.... is already very fast. Is the speed improvement gained with BFC supposed to provide the extra time, so you can turn an model in realtime, with a (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | Re: The geometry of minifigs
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(...) The angle of the side of the minifig torso as Ldrawn is 9.782 degrees (arctan 4.655/27) from the vertical. Hope this helps. Chris (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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