 | | Re: Mirror matrix question
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(...) You can also use SR 3D Builder to build your mirrored/symmetric models. You build a side and the program will build the other, mirrored one. It automatically substitute and rotate non symmetric parts and is compatible with lDraw/MLCad file (...) (15 years ago, 15-Jun-09, to lugnet.cad)
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| | Re: Mirror matrix question
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(...) Not sure if this helps but... If you solve (M11+1) x + M12 y = - M13 M21 x + (M22+1) y = - M23 and then normalise the vector (x,y,1) the result will be a vector normal to the mirroring plane. To test that you indeed have a rotation/mirror you (...) (15 years ago, 15-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Way back in olden times we created some programs to automate the mirroring process. (URL) anyone feel like testing the programs out to see how well they hold up with all the new parts available today? Don (15 years ago, 15-Jun-09, to lugnet.cad)
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| | Re: Mirror matrix question
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(This should probably have been in lugnet.cad.dev, and I almost put it there, but decided that it wouldn't make much difference.) I don't know the answer to this question. I'm responding any, just to let you know that I did read the question, since (...) (15 years ago, 15-Jun-09, to lugnet.cad)
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| | Re: Mirror matrix question
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(...) I don't think so. (...) What if you mirror it again to get back to an unmirrored state, then run the code in mirwiz to create a submodel that only looks mirrored (but actually just flips pieces to look mirrored and substitutes opposite wedges, (...) (15 years ago, 15-Jun-09, to lugnet.cad)
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| | Re: Transparent colors in POV-Ray
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(...) I'd say that a nice temporary solution would be just to allow a simple stud shrinking option for L3P generated studs and let people deal with LGEO separately. LGEO has less problems in this regard anyway as many of the parts are created as (...) (15 years ago, 15-Jun-09, to lugnet.cad.ray)
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| | Re: LSynth 3.0 setup tutorial updated
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(...) Jetro, The biggest, most important change between LSynth 2 and LSynth 3, is that the bulk of the synthesized result is defined by lsynth.mpd, so that Willy and others can add whole new synthesis types without the need to change the lsynth (...) (15 years ago, 14-Jun-09, to lugnet.cad.mlcad)
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| | Re: LSynth 3.0 setup tutorial updated
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(...) Maybe I'm looking at the wrong installer version, but when I run a case and whitespace insensitive diff I see lots of real changes. New constraints and synth types, orientation and part offset tweaks, etc. Right near the top of the file there (...) (15 years ago, 14-Jun-09, to lugnet.cad.mlcad)
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| | Mirror matrix question
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Hi gang, If I have an LDraw Type 1 line that adds a submodel, and the rotation matrix of the line is a mirrored matrix about one and only one axis, can one calculate which axis the model is mirrored about? Can one do so if the user mirrored *and* (...) (15 years ago, 14-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Well, scratch that analysis. wing2.ldr and wing1.ldr are exactly the same model. When you added wing2.ldr you *did* use mirror matrix. LPub 4.0.0.2 notices that you used a mirrored matrix, and rendered the wing with the mirror matrix rotation. (...) (15 years ago, 14-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Hi Jaco, The right wing is being rendered weirdly because LPub thinks that the right wing is being added using a mirror matrix. You have wing1.ldr and wing2.ldr in your model. In theory you could get by with just wing.ldr, because wing2.ldr (...) (15 years ago, 14-Jun-09, to lugnet.cad)
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| | Re: Transparent colors in POV-Ray
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(...) Shrinking/moving the parts seems like the best way to reduce the flickering, so I'm planning to implement that in the 1.2 version of my program. I guess it's also somewhat a post processing issue depending on how much of a perfectionist the (...) (15 years ago, 14-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) L3P shrinks whole highlevel parts, thats a feature I was planning to implement later. But if you shrink the whole part the window and brick will still share the same stud dimensions. Shrinking only the studs could cause problems later on when (...) (15 years ago, 14-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) I thought that l3p did shrink all the dimensions a little bit, so that two adjacent brick's co-planar surfaces don't appear as one surface. I quote from the L3P web page: Seams between bricks To have more realistic renderings L3P can make a (...) (15 years ago, 14-Jun-09, to lugnet.cad.ray)
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| | Re: DATHeader version 2.0.5 (The Reviewer Tool)
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Hello Michael Heidemann DatHeader 2.0.5 does not add CR/LF to the end of a file. This happen when you allow to program format comments (to '0 //' form ). I reference to File Format Restrictions for Official Parts (URL) El'dar Ismagilov (15 years ago, 14-Jun-09, to lugnet.cad)
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| | Re: Transparent colors in POV-Ray
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(...) Probably first-come, first-served which is essentially random as far as the user is concerned. As an idea you might be able to work around the problem by shrinking all studs in the completed model. Shrinking them by a couple of percent would (...) (15 years ago, 14-Jun-09, to lugnet.cad.ray)
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| | Re: LPub Bad results with LDView
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(...) I've solved the problem installing the Visual Studio 2008 Runtime. LPub now runs fine. Thanks Travis! Jetro (15 years ago, 13-Jun-09, to lugnet.cad, FTX)
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| | Re: Transparent colors in POV-Ray
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(...) the real word value), I think part of the flickering is reflections/refractions of the moving cogs. Also, it might help to raise the window a tiny amount (or shrink it) so that the bottom of the transparent part is numerically above the top of (...) (15 years ago, 13-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) I'm working on some last bugs, the installer and a final sample, every thing else is done. So if the application 'survives' during this last sample I will release it this week. Roland (15 years ago, 13-Jun-09, to lugnet.cad.ray)
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| | Re: LPub Bad results with LDView
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(...) <snip> 15. Allow PLI and callouts placed to the left of the CSI to share the column width in step-groups and callouts. For example: (URL) (15 years ago, 13-Jun-09, to lugnet.cad)
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| | Re: Transparent colors in POV-Ray
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(...) When do you think 1.1 is available????? I am waiting for film export!!! Ok, I think your problem can't be solved because the surfaces meet exactly the same plane. So the renderer has to decide which color to take. As both are exactly the same (...) (15 years ago, 13-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) so I replaced it by trans white in the animation I was working on (The "Experiment" sample of LD4DStudio.). I'm now using: //----Texture for LDraw color 47 "clear" #declare color47 = texture { pigment { rgbft <1.0000, 1.0000, 1.0000, 0.9000, (...) (15 years ago, 13-Jun-09, to lugnet.cad.ray)
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| | Re: LPub Bad results with LDView
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(...) <snip> (...) 14. In classic buffer exchange store, add parts, step, buffer exchange load, you no longer need to GHOST the parts added between the store and step. LPub applies buffer exchanges to the LDraw files before being handed to the (...) (15 years ago, 13-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Oh, LPub also figures out the bounding box for things placed relative to step-groups and centers them. I also fixed problems with PLIs for step groups that do not have PLI per step. Kevin (15 years ago, 13-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) One of the new features is affecting your swan. When you place callouts, PLIs, etc, relative to the CSI, LPub figures out the bounding box of the collection, and then automatically centers the bounding box on the page. You did this manually, (...) (15 years ago, 13-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Kevin, Thanks for sharing this anyway :-) I like the new features you added (add pages, cover, images). Do you have a list of new features or changes? FYI: I've noticed there are some differences in rendering. See: (2 URLs) (15 years ago, 12-Jun-09, to lugnet.cad)
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| | Re: LSynth 3.0 setup tutorial updated
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(...) Thanks for a great documentation job! Just a quick question. I've had a look at the lsynth.mpd file that comes with the new installer and the one that's in the tutorial and except for a few differences in spacing and capitals I don't see any (...) (15 years ago, 13-Jun-09, to lugnet.cad.mlcad)
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| | Re: Transparent colors in POV-Ray
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(...) Try dropping the 'ambient' part. This is how my transparent 'christmas lights' are defined: #declare Color46_t = texture { pigment { rgbf <1,0.905882,0.211765,0.85> } finish { ambient 0.0 diffuse 1.0 phong 0.5 phong_size 40 reflection 0.6 (...) (15 years ago, 12-Jun-09, to lugnet.cad.ray)
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| | Re: LDraw LEGO Ambassadors: Call for nominations
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(...) Thanks Franklin, but right now, due to job constraints, I don't feel I could give this position my full effort. I regretfully decline. -Orion P.S. Maybe next year. (15 years ago, 12-Jun-09, to lugnet.cad.dev.org.ldraw)
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| | Re: Transparent colors in POV-Ray
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(...) I'm using 3.7 beta at the moment, because it renders considerably faster on my quad core. But the result is the same in 3.6. Thanks for that link, It makes the T parameter a bit more clear. I see now the trick is to use ONLY the T parameter (...) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) Background is black by default, I got the habit of using rgbft from (URL) and think it does look a bit nicer than rgbf, but it turns out I did not completely understood the meaning of it (see my answer to mike). As for ior, it's only added if (...) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) For which version of POV-Ray you are generating the code? I have just made some tests with 3.6 for windows with your values, and I can not see any faults. Maybe this page give a clue to you (URL) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
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| | Re: Transparent colors in POV-Ray
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(...) For reasons that I don't understand, the apparent transparency of things in the final POV output is greatly influenced by the background color. Set the background color to black, and things look substantially more transparent than when it's (...) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
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| | Re: LPub Bad results with LDView
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(...) That did the trick! And with version 4.0.0.2 Thanks! Jetro (15 years ago, 11-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) I hadn't. I have now tried "Clear assembly image cache" and there is no change. I'm having problems installing LPub 4.0.0.1 Jetro (15 years ago, 11-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) I have tried to install LPub 4.0.0.1 several times now (redownloaded after cleaning the browser cache to make sure the file wasn't corrupted and tried after completely uninstalling any previous version of LPub) but every time I try to start (...) (15 years ago, 11-Jun-09, to lugnet.cad, FTX)
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| | Re: LPub Bad results with LDView
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(...) Heh, I just realized I've been using the latest LDView myself to auto- magically fetch unofficial parts for my lsynth testing. So, I took a quick peek at the help file and according to it you may want to try the IgnorePBuffer command line (...) (15 years ago, 11-Jun-09, to lugnet.cad)
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| | Transparent colors in POV-Ray
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Hello all, I'm the developer of LD4DStudio ((URL) and I'm in the midsts of rounding up the 1.1 version which supports POV-Ray export. But the thing is I'm not too happy about my transparent color setup. At the moment I'm using the following (this is (...) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
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| | Re: LPub Bad results with LDView
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(...) The partly colored parts indicate LDView is having troubles, not LPub. (...) LPub's communication of what to render is done through LDraw files in the <yourmodeldirectory>/LPub/tmp directory. Those files should simply be the parts (up to a (...) (15 years ago, 11-Jun-09, to lugnet.cad)
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| | Re: LPub Bad results with LDView
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(...) Well I guess people should understand that LPub 4.0.0.2 is a moving target. It is not meant for general consumption, but people can take a peek at: www.kclague.net/LPub..._setup.exe It is still changing (bug fixes) on a regular basis. Caveat (...) (15 years ago, 11-Jun-09, to lugnet.cad)
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