 | | Re: mindstorms sdk
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(...) I think you might very well be right since some things just don't seem to work right for some folks who have tried that particular IOMap. But I haven't been able to find where it is off yet. Which offset were you trying to use? You need to (...) (17 years ago, 21-Aug-07, to lugnet.robotics.nxt)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) I'm new to this community, and am just learning 3D graphics, but I will comment on this as someone who will eventually use this file format to read in and render these parts in 3D. 1. Character encoding - for a file spec, not specifying this (...) (17 years ago, 21-Aug-07, to lugnet.cad)
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| | Re: what makes a good engine shed?
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(...) Just looked at your link after posting my previous message, the clerestory roof is another interesting way of doing it. Tim (17 years ago, 21-Aug-07, to lugnet.trains, FTX)
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| | Re: what makes a good engine shed?
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(...) I actually googled the images to suit the example I thought of rather than having them saved. . In the UK many larger sheds had Northlights, i.e. a ridged roof with glass in the north facing slopes to get the best light. Often the ridges were (...) (17 years ago, 21-Aug-07, to lugnet.trains, FTX)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) I think the original suggestion that we mention that it is in row-major format is valid. I agree that the fact that OpenGL (almost certainly one of the top two most used 3D APIs on the planet) uses column major format is a good reason to (...) (17 years ago, 21-Aug-07, to lugnet.cad)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) The "so-what" would be that I, as someone who will eventually read in these files to create OpenGL renderings of them, would expect the matrices to be in column-major order, unless explicitly stated otherwise. Rob (17 years ago, 21-Aug-07, to lugnet.cad)
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| | Re: Scott Wardlaw's GM EMD SD80 in Norfolk Southern trim
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(...) That's a nice locomotive! Seeing models like this that so closely resemble the trains I have seen near my house is neat. Jim (17 years ago, 21-Aug-07, to lugnet.trains, FTX)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) Umm, so what? LDraw is not, and should not, be dependent on OpenGL. Having worked with transformation matrix in both formats, I find the row-major format much easier to hand-edit than column-major organization. At least for LDraw-type usage (...) (17 years ago, 21-Aug-07, to lugnet.cad)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) Page 16 of the OpenGL spec, v2.1 states: "Only convex polygons are guaranteed to be drawn correctly by the GL." Rob (17 years ago, 21-Aug-07, to lugnet.cad)
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| | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments
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(...) Is this really what the LDRAW spec is stating? Because that would be contrary to the OpenGL spec, in which the standard ordering of matrices is column-major. So if you have a row like a b c d e f g h That would be interpreted in OpenGL as a e (...) (17 years ago, 21-Aug-07, to lugnet.cad)
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