 | | Re: LDraw BFC Tool
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(...) If such things exist in BFC-certified parts, then they are obviously wrong, but won't necessarily be visible. It's obviously an error condition, so having the program detect it seems just to be a useful feature to me. I don't see why there (...) (14 years ago, 20-Jun-10, to lugnet.cad.dev)
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| | Re: LDraw BFC Tool
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(...) Your guess is as good as mine. Hopefully Nils is reading and can answer it via me. Tim (14 years ago, 20-Jun-10, to lugnet.cad.dev)
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| | Re: LDraw BFC Tool
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(...) Double sided part? I don't get it at all. Two identical references to a primitive, and the first is preceded by a BCF INVERTNEXT instruction. How will it look after being changed to single-sided? Has there been any discussions on this issue so (...) (14 years ago, 20-Jun-10, to lugnet.cad.dev)
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| | Re: LDraw BFC Tool
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(...) Hi, I like to introduce version 1.7.0.5 Beta of the BFC-Tool (it is necessary to update the information on the downloads section on ldraw.org): New features: Changed required .NET Framework from 3.5 to Framework 2.0 Added "What's (...) (14 years ago, 20-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: LDraw BFC Tool
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(...) snip (...) Thanks! You have no idea how many times I've forgotten to attach attachments to emails! Same thing! Kevin (14 years ago, 17-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) <snip> (...) Wow, this is amazing. I had no idea you could do these kinds of things with shaders. Like Don I too think it's time for me to get a good book/document on using shaders in OpenGL. Thanks for the revelation. Roland (14 years ago, 16-Jun-10, to lugnet.cad.dev)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) Hoo...that takes me back! :-) Doing the second shader was a bit of a blast from the past, actually - it's over 10 years since I last wrote assembler in anger! Alex (14 years ago, 16-Jun-10, to lugnet.cad.dev)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) ... Wow, that is simple. It looks just like the description of the algorithm in the LDRAW specs. I haven't felt this old since manipulating the colormap for animation went outta style. :^) Thanks for sharing, Don (14 years ago, 16-Jun-10, to lugnet.cad.dev)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) Actually, it's even simpler! This is the code for the geometry-shader: #version 120 #extension GL_NV_geometry_shader4 : enable varying out vec4 gl_TexCoord[]; float determinant(mat2 m) { return m[0][0] * m[1][1] - m[0][1] * m[1][0]; } void (...) (14 years ago, 16-Jun-10, to lugnet.cad.dev)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) Ah ha! Yet another reason to read that vertex-shader book. So, are you suggesting running this algorithm on the graphics card (with counters for the vertices instead counting pixels in the stencil buffer) or perhaps some other algorithm? (...) (14 years ago, 16-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) Interesting, but complicated IMO :-) Shaders offer a much easier implementation, and (I suspect) a faster one. Geometry-shaders for preference, but the algorithm can be implemented using vertex-shaders or even ARB vertex-programs to support (...) (14 years ago, 16-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) So finally this brings us to a technique that combines the predictive abilities of the conditional lines with the runtime advantages of the stencil and BFC algorithms. Think of the conditional line as a pair of triangles with a shared edge (...) (14 years ago, 16-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: Bricksmith 2.4: Faster. Much Faster.
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(...) And another thing... The BFC technique actually has an advantage over conditional lines because it works on the entire scene after it's been assembled. Whereas the conditional lines at the edges of the primitives are created in advance, and (...) (14 years ago, 16-Jun-10, to lugnet.cad.dev.mac, lugnet.cad.dev, FTX)
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| | Re: LDraw BFC Tool
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(...) Stupid me Link on sourceforge: (URL) Tim (14 years ago, 16-Jun-10, to lugnet.cad.dev, FTX)
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| | Re: LDraw BFC Tool
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(...) Cool! Where does one find an executable? Kevin (14 years ago, 15-Jun-10, to lugnet.cad.dev, FTX)
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| | LDraw BFC Tool
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The time is up. There is no need to edit thousand lines of code anymore if you are in trouble with BFC-Certification! I have written a tool which requires .NET framework 3.5 and managed DirectX 9 to run. With this tool you are able to change wrong (...) (14 years ago, 15-Jun-10, to lugnet.cad.dev, lugnet.cad, FTX)
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| | Re: LDPattern
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(...) No greater loss I guess. ;) (...) Guess I'll have to take a peep at Quad2dat to see how it works. I thought it was basically just the same approach as bmp2dat, with the difference it can handle more file formats and color depths. /Tore (14 years ago, 4-Jun-10, to lugnet.cad.dev)
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| | Re: LDPattern
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(...) Even with Lugnet it's not always easy to know things exists: I had no idea LDraw Draw existed until today ;o) (...) Hopefully Il'dar will chime in, but I guess LDPattern will work like Quad2dat: once vertices are created, new points closer (...) (14 years ago, 4-Jun-10, to lugnet.cad.dev)
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| | Re: Possible (minor) contradiction in the specs
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(...) If by "extension documents" you mean the (sub-)specifications referred to from the main 1.0.0 spec document (ie this page (URL) is no contradiction as the referenced specs were ratified BEFORE the main 1.0.0 spec (they had to be, otherwise the (...) (14 years ago, 4-Jun-10, to lugnet.cad.dev)
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| | Re: LDPattern + LDS, Proof of Concept [DAT]
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(...) ... and here's the output from the LDS Compiler v 0.61: 0 Tile 2 x 2 with Red L Pattern 0 Name: 3068bpL.dat 0 Author: Tore Eriksson 0 Unofficial Non-LEGO Part 0 BFC NOCERTIFY 1 16 0 0 0 1 0 0 0 1 0 0 0 1 s\3068bs01.dat 0 // Pattern created by (...) (14 years ago, 4-Jun-10, to lugnet.cad.dev)
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