 | | Re: LPub mask generation
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(...) Both classes are in the TCFoundation directory: TCImage and TCPngImageFormat. To use them directly, you'll also need TCObject and TCAutoreleasePool. However, the only thing they use out of there that I know of is my reference counting stuff, (...) (20 years ago, 20-Sep-04, to lugnet.cad.dev, FTX)
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| | Re: LPub mask generation
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(...) Hi Travis, I've downloaded LDview, and gotten libpng and zlib built under C++ Builder. What classes do you have for reading and writing PNG files based on libpng. I'd like to give them a look. Thanks, Kevin (20 years ago, 20-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) This project seems pretty old, but you've set me on the right track. PNG provides compression like JPG and no loss of image quality like BMP. Plus POV-Ray supports alpha channel with PNG. These three combined set me off on the task of (...) (20 years ago, 17-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) If you're interested, LDView has two C++ classes that together allow you to write a PNG via libpng. They have the advantage of being much easier to use that libpng itself. Take a look in the LDView source at TCImage.{h,cpp} and (...) (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) I just upgraded to Borland C++ Builder 6, and there is a good PNG library for it. I'll use that and convert LPub over to use PNG (instead of BMP and JPG?). Alpha channel will be nice, allowing for semi-transparency. Kevin (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) LPub is written in Borland C++ Builder, which is the C++ version of Delphi. The programing language is different, but the libraries are the same. I'd like Alpha channel, instead of binary bitmap, because it might provide some help with (...) (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) LPub is written in Delphi, if I'm not misremembering? Have you looked at (URL) can't say I understand all of the code at a quick glance, but it looks like all you have to do is setting the Alpha channel to a suitable value for every pixel, and (...) (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) Careful! A *Windows* color value uses the high bit to indicate that the rest is an index into the 'System Color Palette' and not a RGB value at all (In Delphi you have ColorToRGB() to get the RGB value from such a 'color'). I'm not at all sure (...) (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) What about jpeg 2000? It seems to have some sort of support for alpha channels. Don (20 years ago, 16-Sep-04, to lugnet.cad.dev)
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| | Re: LPub mask generation
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(...) I'm not entirely sure, but I'm pretty sure you can create a 32bpp BMP file. Normally, 8 bits in each pixel would then be ignored. However, I don't see any reason the data wouldn't be there for you to interpret yourself. --Travis Cobbs (20 years ago, 15-Sep-04, to lugnet.cad.dev)
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| | LPub mask generation
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I added mask generation for assembly images into LPub. It now can generate a specific mask for each assembly image. I plan on using this for the layout process, where you provide a backdrop image for a page, and LPub uses a mask to superimpose the (...) (20 years ago, 15-Sep-04, to lugnet.cad.dev)
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| | Re: l3p -check without using l3p
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Thanks guys, I believed there had to be some kind of easy fix to the problem (too stupid). Now I feel a lot more comfortable certifying parts! -NB (20 years ago, 12-Sep-04, to lugnet.cad.dev, FTX)
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| | Re: l3p -check without using l3p
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(...) Actually LDDP has a built in, full l3p check. You have to turn on the co-planarity checks under Tools->Options->Configuration Values -Orion (20 years ago, 12-Sep-04, to lugnet.cad.dev, FTX)
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| | Re: l3p -check without using l3p
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(...) LDAO can be used to run l3p -check without even seeing a command prompt ;) ROSCO (20 years ago, 11-Sep-04, to lugnet.cad.dev, FTX)
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| | l3p -check without using l3p
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Just a quick question: Is there any programs that can give you a full l3p-check other than l3p? (I not old enough to have done anything but starting games from prompt ;-) ) It seems like LDDP is pretty close to do that but although it’s able to find (...) (20 years ago, 11-Sep-04, to lugnet.cad.dev, FTX)
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| | Re: Postscript output
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(...) Has anyone gone anywhere with this? -Tim (20 years ago, 11-Sep-04, to lugnet.cad.dev)
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| | Re: Bow-tie quads in BFC-certified parts
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(...) I've seen them in one official part, and one part on the tracker. But since I haven't really been looking for them, I'm guessing they exists in other parts. The main culprit appears to be pre-existing parts that were later BFC-certified. (Both (...) (20 years ago, 10-Sep-04, to lugnet.cad.dev.org.ldraw)
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| | Re: Bow-tie quads in BFC-certified parts
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(...) How often do you find bow-tied parts in BFC CERTIFY'd parts? I meant that's a real error that shouldn't be allowed by the parts tracker isn't it? Is there a rule that can be added to the checks done on the files that are submitted that will (...) (20 years ago, 10-Sep-04, to lugnet.cad.dev.org.ldraw)
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| | Re: Parts with lengths
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In lugnet.cad.dev, Kevin L. Clague wrote: [snip] nod, I agree with everything you wrote. (...) Long term (*very* long term), there's nothing to say the language can't be extended to allow a different linetype for parts-with-lengths. Steve (20 years ago, 10-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths
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(...) Sure! Tattle on me so I get in trouble! Actually I've just been prototyping more compact part usages for hoses, using variable length cross sections instead of fixed length cross sections. (...) Kevin (20 years ago, 10-Sep-04, to lugnet.cad.dev)
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| | Re: Bow-tie quads in BFC-certified parts
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(...) It's funny how quickly I can forget the details of a complex task. For instance, I totally forgot about the NOCLIP BFC command (which can disable clipping for specific sub-sections of a file). Mind you, I implemented it, and believe that it (...) (20 years ago, 10-Sep-04, to lugnet.cad.dev.org.ldraw, FTX)
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| | Bow-tie quads in BFC-certified parts
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(Note that I'm sending followups to the lugnet.cad.dev.org.ldraw newsgroup alone, because that seems to be the appropriate group, but I think the audience of the lugnet.cad.dat.parts group should see this.) In the process of testing my next major (...) (20 years ago, 10-Sep-04, to lugnet.cad.dev.org.ldraw, lugnet.cad.dat.parts, FTX)
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| | Re: Parts with lengths
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(...) I think Kevin's done some work on the code that hasn't been uploaded to the CVS repository so the current CVS source may be out of synch. -Orion (20 years ago, 9-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths
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(...) Just in case, the source code for lsynth is here. (URL) the CVS Repository link for instructions on how to fetch it all, or follow the Browse CVS link if you only want to examine it. Have fun, Don (20 years ago, 9-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths
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(...) Jindroush, True length is a topic that is near the top of the list for LSynth. Orion and I talked about it at BrickFest. There is at least one implementation out there by Frederick Glockner (using emacs) that supports true length. Since LSynth (...) (20 years ago, 9-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths (lsynth?)
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(...) Yeah, exactly this. I knew I couldn't be the first to think about it ;-) Jindroush (20 years ago, 9-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths (lsynth?)
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(...) You know, this did actually come up before in the context of lsynth. This post from 2 years ago mentions LENGTH and UNITS options for the lsynth meta commands. (URL) think it's been mentioned since then as well. In my opinion that's probably (...) (20 years ago, 9-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths
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(...) i haven't suggested that. We don't have separate part file for every known color, but instead, there is part and color info in the dat. I think the length should be put in somewhat similar way in the dat, so that it could be easily extracted (...) (20 years ago, 8-Sep-04, to lugnet.cad.dev)
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| | Re: LPub - background images for pages, PLIs and BOMs.
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(...) Trying to do this may of course completely blow away how I render part list images with background images. (...) Kevin (20 years ago, 7-Sep-04, to lugnet.cad.dev)
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| | Re: LPub - background images for pages, PLIs and BOMs.
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(...) A quick search of the POV newsgroups yielded this suggestion: (URL) (20 years ago, 7-Sep-04, to lugnet.cad.dev)
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| | Re: LPub - background images for pages, PLIs and BOMs.
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(...) I believe that the general answer is yes, it is possible to take a jpg, gif, or bmp and place it into a rendered scene. One way it can be done is with texturemapping onto a rectangle. What you would presumably need to do then is position and (...) (20 years ago, 7-Sep-04, to lugnet.cad.dev)
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| | LPub - background images for pages, PLIs and BOMs.
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Hi, I've got a mask generation facility working pretty well for partial assembly images. The technique I use is to add the concept of chromakey color. I render the image with chromakey color (user selectable) as the background color. I then examine (...) (20 years ago, 7-Sep-04, to lugnet.cad.dev)
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| | Re: Parts with lengths
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(...) I don't think making a separate part file for every known length of a part is the right approach, for at least two different reasons. First, it would significantly increase the number of parts in the LDraw library, making it that much harder (...) (20 years ago, 7-Sep-04, to lugnet.cad.dat.parts, lugnet.cad.dev)
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| | MEGA-POV 1.1
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Hi All, I added support to LPub for POV-Ray 3.5 and 3.6. I was trying to use MEGA-POV 1.1, but it seems to have stopped supporting the find_edges facility. Anyone know how to do the find_edges in these newer renderers. Kevin (20 years ago, 2-Sep-04, to lugnet.cad.dev)
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| | Re: Blender LDraw support
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I added a feature to automatically generate contour lines for exported objects, and reexported my 6575 model. I'm not sure it's quite the way it should be yet. Also set up a wiki page where I'd appreciate suggestions and questions. The wiki will be (...) (20 years ago, 2-Sep-04, to lugnet.cad.dev)
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| | August's Winners for LDraw.org's MOTM and SOTM Contests
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Congratulations to the winners of the August Model/Scene of the month contests: (URL) MOTM, Tom Kimsey, A-71 "Razorback" Heavy Attack Fighter> (URL) SOTM, Neils Bugge, Cityscape 2: Hearse / Vertical City> The voting for the September Model of the (...) (20 years ago, 2-Sep-04, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce, FTX)
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| | LDraw Design Pad (LDDP) 1.5.5 Released
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LDraw Design Pad (LDDP) is a tool for editing and handling LDraw files in a very comfortable way. Download it here: (URL) are: -Fully customizable editor with syntax highlighting -Open multiple files at the same time -Unlimited Undo/Redo -Use/define (...) (20 years ago, 29-Aug-04, to lugnet.cad, lugnet.cad.dev, lugnet.announce)
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| | Re: Blender LDraw support
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A little bit of extra work, and I'm ready (sort of) to present the first export capable edition. It outputs DAT or MPD files of the current scene, including STEP support. Script pack (since the script now is split in multiple files): (URL) of output (...) (20 years ago, 28-Aug-04, to lugnet.cad.dev)
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| | LDraw part origin rule
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TrackDraw's parts are 2D models of 3D parts as viewed from the top. TrackDraw attempts to maintain LDraw compatibility by using the same origin and orientation. This allows TrackDraw to read and save layouts in *.ldr format. For parts that exist, (...) (20 years ago, 25-Aug-04, to lugnet.cad.dev)
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| | Re: Mac Brick CAD 2.4b1
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(...) one 3024 1x1 plate, selected Quit from the File-menu and didn't get a message or warning about whether I'd like to save my file yes or no...? Greetz, Anton (20 years ago, 18-Aug-04, to lugnet.cad.dev.mac)
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