 | | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments —Timothy Gould
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| | | (...) I think a full worked through example would do the specs a lot of good. If I understand right the line 1 c x y z a b c d e f g h i part.dat transforms any point by the operation (u, v, w)->(x+a*u+b*v+c*w, y+d*u+e*v+f*w, z+g*u+h*v+i*w) With it (...) (17 years ago, 22-Aug-07, to lugnet.cad)
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| | | | | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments —Rob Ross
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| | | | (...) If I were new to 3D graphics (and I am ) I would be confused by this, I would have to ask someone else how to interpret the spec. I think Travis' proposal to show the two different matrices that can be built from the line of values is more (...) (17 years ago, 23-Aug-07, to lugnet.cad)
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| | | | | | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments —Timothy Gould
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| | | | --snip-- (...) I'm not new to matrices and Travis' example is still a little unrigorous which is why I propose the mathematically sound form above. Note the amount of discussion already here because of what people consider 'standard' or 'given' (...) (17 years ago, 23-Aug-07, to lugnet.cad)
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| | | | | | Re: LDraw File Format Spec 1.0 DRAFT - Call for Public Comments —William Howard
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| | | | (...) I think we need to draw this particular discussion to a close. From all the comments around matrix manipulation it is clear that this part of the specification is ambiguous and so needs further consideration. Unfortunately, whatever method we (...) (17 years ago, 23-Aug-07, to lugnet.cad)
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