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 | | Re: Conversion file for ldraw to ldd
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| (...) I also fixed these. First 2 I just had to fix placement, 3rd one I created a “transformation” and “brick ldraw” lines, the 4th I only had to add the “transformation” line, you all ready had the “brick ldraw” line. But 3069b and 3068b I could (...) (18 years ago, 7-Apr-07, to lugnet.cad.ldd)
| | | | | Re: how does a line ends?
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| (...) Yes, sorry that my post sounded overly defensive. I have something of a chip on my shoulder from years of working alongside programmers who want to take shortcuts at the expense of their users. Very few seem to appreciate that it is worth a (...) (18 years ago, 7-Apr-07, to lugnet.cad, FTX)
| | | | | Re: Conversion file for ldraw to ldd
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| (...) Me too to some degree. (...) I believe the system may be (incorrectly) case sensitive when reading LDraw files. Perhaps add b and B options. It's also possible this particular aspect is not yet programmed completely. Furthermore when (...) (18 years ago, 7-Apr-07, to lugnet.cad.ldd)
| | | | | Re: Conversion file for ldraw to ldd
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| (...) I have been trying to correct some of the errors when exporting from LDD > LDR, and not being a programmer I have come to a dead end. I have been able to correct some of the parts that would show up but not in the correct location or rotation. (...) (18 years ago, 7-Apr-07, to lugnet.cad.ldd)
| | | | | Re: Inverse matrix?
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| (...) The inverse of <1,0,0,0,1,0,0,0,1,0,0,0> is itself. To compute the inverse of a general 3x3 matrix (essentially what you need to do) is rather complicated. You could do it in a macro using Gaussian elimination [1]. Tim [1] (URL) (18 years ago, 7-Apr-07, to lugnet.cad.ray, lugnet.cad)
| | | | | Re: how does a line ends?
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| (...) OK, as promised, here it my fgets replacement: char *myFgets(char *buf, int bufSize, FILE *file) int i; for (i = 0; i < bufSize - 1; i++) int char1 = fgetc(file); if (feof(file)) bufi = 0; if (i > 0) return buf; else return NULL; if (char1 == (...) (18 years ago, 7-Apr-07, to lugnet.cad, FTX)
| | | | | Inverse matrix?
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| Does anyone know how to generate an inverse matrix. By inverse I mean it will undo the rotation of the original matrix. I thought the inverse of <1,0,0,0,1,0,0,0,1,0,0,0> was <-1,0,0,0,-1,0,0,0,-1,0,0,0>. In other words, multiply every value by -1. (...) (18 years ago, 7-Apr-07, to lugnet.cad.ray, lugnet.cad)
| | | | | Re: how does a line ends?
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| (...) You'll note that I didn't really say that there was anything wrong with your parsing routine (other than some personaly negative feelings about fgetc and ungetc). After fixing the bugs, it will do exactly what you say it will do. It's just (...) (18 years ago, 7-Apr-07, to lugnet.cad, FTX)
| | | | | Re: how does a line end?
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| (...) Aaah, that's one of my most common mistakes. C is the third letter, so I think of it as 13 and not 12. (...) At last, someone agrees with me. :) There will still be a theoretical risk that problems will occur, "anything that can go wrong will (...) (18 years ago, 7-Apr-07, to lugnet.cad)
| | | | | Re: how does a line end?
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| Tore Eriksson schrieb: (...) After read all this and also after I have had a look at (URL) I think that Tore is right by saying "read all and save secure". Do avoid for future discussions this should be mentioned also in the LDraw Specification. (...) (18 years ago, 7-Apr-07, to lugnet.cad)
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