 | | Re: PT Browser: A client-side browser for the Parts List
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Dear William, I am surprised that none other has replied to this piece of work! Perhaps it is too difficult to understand how to even get it installed. However, I have succesfully got it to work quite easily. I am giving it a thorough look now and (...) (20 years ago, 7-Mar-05, to lugnet.cad, lugnet.cad.dat.parts, lugnet.cad.dev)
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| | Re: Comments wanted: Plans for easier parts authoring
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(...) Hi Stefan, While I think my opinion on this is well known, I'll answer your call for responses here.. I agree that AFOL don't "need" high-end tools for parts-authoring.. Any way to incorporate a graphical interface into the process would be a (...) (20 years ago, 6-Mar-05, to lugnet.cad.dev, FTX)
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| | Re: Comments wanted: Plans for easier parts authoring
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(...) I just read this about the latest Blender release: "completely rewritten and upgraded mesh modeling" That looks promising. I'll definitely try it out! Stefan (replying to his own posts...) (20 years ago, 6-Mar-05, to lugnet.cad.dev)
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| | Re: Comments wanted: Plans for easier parts authoring
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(...) Indeed, thanks for reading! :) Blender is a good modeling and animation tool, but last time I checked I found the vertex and triangle tools unwieldy, so it was not very useful for detailed low-poly editing. I should check back on it, though, (...) (20 years ago, 6-Mar-05, to lugnet.cad.dev)
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| | Re: Comments wanted: Plans for easier parts authoring
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(...) A while back i played around with blender, it's gone opensource in the meantime. (URL) don't know the current version but with the old blender i managed to get plaint text exports whom where very usable for post processing. I was playing (...) (20 years ago, 5-Mar-05, to lugnet.cad.dev)
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| | Comments wanted: Plans for easier parts authoring
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As some of you might have seen, I have been doing some programming lately to convert various 3D file formats to DAT format. This resulted in the MAX2DAT converter, which is useful but does not handle primitives, and is limited to the file formats (...) (20 years ago, 5-Mar-05, to lugnet.cad.dev)
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| | PT Browser: A client-side browser for the Parts List
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PTBrowser enables the user to create multiple views of the LDraw Parts Tracker Parts List. Each view can be filtered to include only parts meeting user-defined criteria and is displayed in a configurable hierarchy. Parts displayed in each view can (...) (20 years ago, 28-Feb-05, to lugnet.cad, lugnet.cad.dev, FTX) !
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| | Re: TrueType font converter?
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(...) more like a whitepaper-with-actual-code rather than source-code-with-comments. Triangle seems to be a 2D utility, I don't remember it handling 3D curved surfaces. But that shouldn't be a problem in this case. Steve (20 years ago, 28-Feb-05, to lugnet.cad.dev)
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| | Re: TrueType font converter?
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(...) Heh, all the answers are already on lugnet. Make an array of points from the bezier and apply this algorithm. (URL) 2. An algorithm for filling a closed curve with tris/quads This link has code. I believe Steve tried it, so you can ask him (...) (20 years ago, 28-Feb-05, to lugnet.cad.dev)
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| | Re: TrueType font converter?
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(...) Thanks Stefan, I have already written the basic code to export the glyph using the FreeType library. (...) Thanks for that info too - I have now found some refs on the net. (...) the hardest part of the problem, your references will help (...) (20 years ago, 26-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) Thanks for the encouragement! Multiple meshes in a single 3DS or ASE file is now supported. I came across a nasty bug in the 3DS export from 3dsmax that took me a whole day to straighten out. It turs out that if any of the mesh objects (...) (20 years ago, 26-Feb-05, to lugnet.cad.dev)
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| | Re: TrueType font converter?
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(...) Your best bet to get a quick result would probably be to look in some 3D graphics libraries for OpenGL and find working code to get a TT glyph out into a mesh model. Exporting a flat mesh model to LDraw format yourself is not very difficult, (...) (20 years ago, 26-Feb-05, to lugnet.cad.dev)
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| | TrueType font converter?
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Does anyone know of a utility to convert TT font glyphs to LDraw DATs? I would be interested in looking at writing such a beast, if it hasn't already been done. I'm looking at this to be able to create LDraw representations of custom stickers. And (...) (20 years ago, 26-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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Go Stefan Go! (20 years ago, 24-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) I noticed they were offset somewhat because of pivot point issues, and that took some time to resolve. The 3DS file format is actually very badly documented in public sources, but now it works the way it should. Now that I have the absolute (...) (20 years ago, 24-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) And thanks for pointing it out to me, who didn't have a clue. :) Stefan G (20 years ago, 22-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) hi kevin, it's because I'm allergic to manuals and I’m usually in trail’n’error mode ;-)) but seriously, the problem I had with the flexible axle (and some others who contacted me because of the MLCad/Lsynth tutorial) is the fact that the (...) (20 years ago, 22-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) Hi Willy, Hah! RTFM! *The book* "LEGO Software Power Tools" makes it clear that LS00.DAT is the only constraint associated with hoses. Sorry, just in a good mood, because I just finished up rewriting the band synthesis code and made it much (...) (20 years ago, 22-Feb-05, to lugnet.cad.dev)
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| | Re: Status of BFC
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(...) It looks like 1058 files are BFC-compliant, out of 2945 official part files. (...) It doesn't look like you'll be able to make that assumption. Steve (20 years ago, 21-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) Well I'm now official embarassed. I knew that; really; honest. It's always fun when your users can tell you why your program is behaving in the way it is. Thanks, Orion, for pointing out what I of all people should have seen as obvious. (Just (...) (20 years ago, 21-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) In order for smoothing to work on parts outside the PARTS and P directories, you need to add the following to the header: 0 Unofficial Part This "turns on" smoothing in LDView. (20 years ago, 21-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) I'm puzzled, too. Should I follow some convention regarding the order of primitives in the file? My optional lines *are* correct, I have verified that, but even a simple smooth cylinder converted with my program shows up faceted in LDView. (...) (20 years ago, 21-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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My converter has undergone a considerable update during the weekend. It is now called "max2dat", because it now handles the 3DS file format as well, and supports the two main export formats from 3dsmax. (The previous "max2dat" utility written in (...) (20 years ago, 21-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) hi kevin, IMHO the main problem is that there is some confusion about the LS00.dat constrain an the rest like the flex-axle-end. my understanding now is that the ONLY constrain for all tubes is LS00.dat while the rest is used in the synthesis (...) (20 years ago, 20-Feb-05, to lugnet.cad.dev)
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| | Re: Animation Precision
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(...) I think 2 is sufficient, but 3 "feels" safer. Once there was an extreme case where 3 wasn't enough. I had to rotate train tracks and a train from a radius of... I think it was 750, 800, and 850 LDU. Using 3 decimals on the sin and cos values (...) (20 years ago, 19-Feb-05, to lugnet.cad.dev)
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| | Re: Status of BFC
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(...) How far 'percent wise' is the standard library bfc? In about 2 months i'm starting work on a rendering engine for LD4DModeler 2. I was hoping to 'assume' all parts are BFC so I can implement simple lighting. (20 years ago, 19-Feb-05, to lugnet.cad.dev)
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| | Re: Animation Precision
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(...) I don't have a compelling argument for more or less but I think that if you can build the capability for more decimals then you probably should. In my experience if you think that users will get by with less, one will invariably come along (...) (20 years ago, 19-Feb-05, to lugnet.cad.dev)
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| | Animation Precision
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Hello, I've been working on LD4DModeler 2 (on paper) tonight and i have a question regarding precision. The question is what is 'normal' to use for the amount of decimals that can be set by user interface controls. I was thinking 2 myself but if (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) Hi Stefan, don't get discouraged! I for one tried your converter (on a BBB part) here: (URL) I'd be interested to hear what the parts authors have to say, since we can directly compare the original DAT (converted with ?) and the "new" DAT (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev, FTX)
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| | Re: LSynth synthesis and needed sub-parts
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(...) Most of them have a comment indicating that they are for lsynth. Willy says a few of the parts to do not. I'll update them. (...) LS10.dat is not an electrical connector. Instead it is a small cross section of the electrical cable that is used (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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(...) working. I don't have time right now to investigate, but I'm surprised that it doesn't work, given that you have obviously generated (seemingly) correct optional lines, and LDView's curve smoothing only relies on those. One other thing I (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) That sounds reasonable. We've done this before, with light.dat. Do the files have comments identifying what they are used for? If they're going into the official library, it'd nice to try and make them useable by any program doing the same (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) I'd suggest that LS00.dat belongs in the PARTS directory because it's designed to be manipulated directly by the end user when creating a model file (much like a regular part, and unlike the files in the S subdir). If you put it in S, it'll be (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: LSynth synthesis and needed sub-parts
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(...) I also forgot to ask about some of the electrical parts.... Rotation sensor, light sensor, electrical cable ends officially have a small stub of rectangular cable coming out of them. This motivated me to modify these parts and use unofficial (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | LSynth synthesis and needed sub-parts
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Hi Steve, Chris, Orion, I'm bringing out a new version of LSynth. LSynth originally had a number of unofficial parts that it used to specify and synthesize flexible parts. Where possible I've eliminated the unoffical parts that could easily be (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy (well, easier)
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Hi Stefan I don't know anything about neither optional lines or the programs you're converting from, but from a parts reviewers perspective, I'd say that the teapot.ldr looks pretty good. I wouldn't worry so much about automatic subpart generation. (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Parts editing made easy (well, easier)
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(I posted this to lugnet.cad toplevel, but considering the total lack of response, I decided to try it down here in .dev instead, where I got all that nice feedback for my last post.) After a couple of days of coding fun, I finally have the ASE to (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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| | Re: Sorting by line
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(...) Another thought, maybe sorting on the center of the axis-aligned bounding box for the line? For lines this would be the center of the line but would it be the center of the tri or quad? My visualzation skills are elluding me at the moment. (...) (20 years ago, 16-Feb-05, to lugnet.cad.dev)
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| | Re: Parts editing made easy, anyone?
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Update: the converter works and is posted to the top level newsgroup, "lugnet.cad". (URL) to come. We should perhaps move discussions back here to .dev for intricate details like feature requests and bug reports, but you can also send me e-mail, and (...) (20 years ago, 16-Feb-05, to lugnet.cad.dev)
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| | Re: Use of arbitrary elements with LSynth
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(...) Hi all, I have rewritten much of LSynth's code so that it is table driven. Currently the tables are coded in the program, but the important thing is that definitions of synthesized things are tabular. I've added a string type that uses your (...) (20 years ago, 15-Feb-05, to lugnet.cad.dev)
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