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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Problem with BFC
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lugnet.cad.dev
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Date:
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Sat, 15 Apr 2000 20:16:54 GMT
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Viewed:
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573 times
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Hi everyone,
I'm working correct a part i made before to make it BFC compatible.
But i have a problem.
The part is the Motorcycle tyre 81.6x15, also available in the Mindstorms set.
To do this part, i've made a subfile, wich i reuse 48 times to get the complete tyre.
I did verify the part with option 6 in L3Lab, it is fully in green (CW).
I did also verify that all the matrices are positive, to avoid unwanted inversions, by calculating determinants of each matrice.
When i open the part with MLCad, some of my subparts are inverted, some aren't.
Have i made a mistake, or is it a bug from MLCad ?
You can try it if you want.
PS : you need to put 2902a in \S subfolder in part folder
--
Damien et Nathalie Duquennoy
26, rue du belvédère
69210 L'ARBRESLE
dduquenn@club-internet.fr
http://perso.club-internet.fr/dduquenn/
0 Tyre 81.6x15 RIS
0 Name:2902.dat
0 Author:Damien Duquennoy
0 Unofficial part
0 BFC CERTIFY CLIP CCW
1 16 0 0 0 0 2.5 .017 0 .017 -2.5 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.41 .664 0 .664 -2.41 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.156 1.265 0 1.265 -2.156 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.755 1.78 0 1.78 -1.755 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.235 2.174 0 2.174 -1.235 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .63 2.419 0 2.419 -.63 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.017 2.5 0 2.5 .017 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.664 2.41 0 2.41 .664 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.265 2.156 0 2.156 1.265 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.78 1.755 0 1.755 1.78 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.174 1.235 0 1.235 2.174 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.419 .63 0 .63 2.419 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.5 -.017 0 -.017 2.5 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.41 -.664 0 -.664 2.41 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.156 -1.265 0 -1.265 2.156 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.755 -1.78 0 -1.78 1.755 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.235 -2.174 0 -2.174 1.235 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.63 -2.419 0 -2.419 .63 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .017 -2.5 0 -2.5 -.017 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .664 -2.41 0 -2.41 -.664 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.265 -2.156 0 -2.156 -1.265 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.78 -1.755 0 -1.755 -1.78 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.174 -1.235 0 -1.235 -2.174 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.419 -.63 0 -.63 -2.419 -2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.5 .017 0 -.017 2.5 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.41 .664 0 -.664 2.41 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.156 1.265 0 -1.265 2.156 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.755 1.78 0 -1.78 1.755 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.235 2.174 0 -2.174 1.235 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .63 2.419 0 -2.419 .63 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.017 2.5 0 -2.5 -.017 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.664 2.41 0 -2.41 -.664 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.265 2.156 0 -2.156 -1.265 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.78 1.755 0 -1.755 -1.78 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.174 1.235 0 -1.235 -2.174 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.419 .63 0 -.63 -2.419 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.5 -.017 0 .017 -2.5 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.41 -.664 0 .664 -2.41 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -2.156 -1.265 0 1.265 -2.156 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.755 -1.78 0 1.78 -1.755 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -1.235 -2.174 0 2.174 -1.235 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 -.63 -2.419 0 2.419 -.63 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .017 -2.5 0 2.5 .017 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 .664 -2.41 0 2.41 .664 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.265 -2.156 0 2.156 1.265 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 1.78 -1.755 0 1.755 1.78 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.174 -1.235 0 1.235 2.174 2.5 0 0 s\2902a.dat
1 16 0 0 0 0 2.419 -.63 0 .63 2.419 2.5 0 0 s\2902a.dat
0 2902a.dat
0 tyre 81.6 x 15
0 Subpart 1
0 Author: Damien Duquennoy
0 Cran bossé
0 BFC CERTIFY CLIP CCW
4 16 0 40.8 0 0 40.37 5.89 2.2 40.37 5.89 2.2 40.8 0
4 16 2.2 40.8 0 2.2 40.37 5.89 4.3 39.19 5.72 4.3 39.6 0
4 16 4.3 39.6 0 4.3 39.19 5.72 4.3 37.4 5.46 4.3 37.8 0
4 16 4.3 37.8 0 4.3 37.4 5.46 6.4 37.4 5.46 6.4 37.8 0
4 16 6.4 37.8 0 6.4 37.4 5.46 7 35.03 5.11 7 35.4 0
4 16 7 35.4 0 7 35.03 5.11 7 30.56 4.24 7 30.85 .22
4 16 7 30.85 .22 7 30.56 4.24 5.65 30.56 4.24 5.65 30.85 .22
4 16 5.65 30.85 .22 5.65 30.56 4.24 5.65 29.07 4.03 5.65 29.35 .2
4 16 5.65 29.35 .2 5.65 29.07 4.03 4.15 28.58 3.97 4.15 28.85 .2
4 16 4.15 28.85 .2 4.15 28.58 3.97 3.15 28.58 3.97 3.15 28.85 .2
4 16 3.15 28.85 .2 3.15 28.58 3.97 3.15 31.05 4.31 3.15 31.35 .22
4 16 3.15 31.35 .22 3.15 31.05 4.31 5.8 32.04 4.45 5.8 32.35 .23
4 16 5.8 32.35 .23 5.8 32.04 4.45 5.8 34.53 4.79 5.8 34.86 .24
4 16 5.8 34.86 .24 5.8 34.53 4.79 3.73 36.35 5.04 3.73 36.7 .26
4 16 3.73 36.7 .26 3.73 36.35 5.04 0 37.21 5.16 0 37.57 .26
0 Cran creusé
4 16 0 40.37 5.89 0 39.41 10.56 0 37.48 10.04 0 38.39 5.6
4 16 0 38.39 5.6 0 37.48 10.04 4.3 36.51 9.78 4.3 37.4 5.46
4 16 4.3 37.4 5.46 4.3 36.51 9.78 7 34.19 9.16 7 35.03 5.11
4 16 7 35.03 5.11 7 34.19 9.16 7 29.74 8.19 7 30.56 4.24
4 16 7 30.56 4.24 7 29.74 8.19 5.65 29.74 8.19 5.65 30.56 4.24
4 16 5.65 30.56 4.24 5.65 29.74 8.19 5.65 28.3 7.79 5.65 29.07 4.03
4 16 5.65 29.07 4.03 5.65 28.3 7.79 4.15 27.81 7.66 4.15 28.58 3.97
4 16 4.15 28.58 3.97 4.15 27.81 7.66 3.15 27.81 7.66 3.15 28.58 3.97
4 16 3.15 28.58 3.97 3.15 27.81 7.66 3.15 30.22 8.33 3.15 31.05 4.31
4 16 3.15 31.05 4.31 3.15 30.22 8.33 5.8 31.19 8.59 5.8 32.04 4.45
4 16 5.8 32.04 4.45 5.8 31.19 8.59 5.8 33.61 9.26 5.8 34.53 4.79
4 16 5.8 34.53 4.79 5.8 33.61 9.26 3.73 35.38 9.75 3.73 36.35 5.04
4 16 3.73 36.35 5.04 3.73 35.38 9.75 0 36.22 9.98 0 37.21 5.16
0 Faces de jonction
4 16 0 40.8 0 2.2 40.8 0 4.3 39.6 0 4.3 37.8 0
3 16 4.3 37.8 0 6.4 37.8 0 7 35.4 0
4 16 0 40.37 5.89 4.3 37.4 5.46 4.3 39.19 5.72 2.2 40.37 5.89
3 16 4.3 37.4 5.46 7 35.03 5.11 6.4 37.4 5.46
3 16 0 40.37 5.89 0 38.39 5.6 4.3 37.4 5.46
3 16 0 39.41 10.56 4.3 36.51 9.78 0 37.48 10.04
0 arêtes cran bossé
2 24 0 40.8 0 0 40.37 5.89
2 24 2.2 40.8 0 2.2 40.37 5.89
2 24 4.3 39.6 0 4.3 39.19 5.72
2 24 4.3 37.8 0 4.3 37.4 5.46
2 24 6.4 37.8 0 6.4 37.4 5.46
2 24 7 35.4 0 7 35.03 5.11
2 24 7 30.85 .22 7 30.56 4.24
2 24 5.65 30.85 .22 5.65 30.56 4.24
2 24 5.65 29.35 .2 5.65 29.07 4.03
2 24 4.15 28.85 .2 4.15 28.58 3.97
2 24 3.15 28.85 .2 3.15 28.58 3.97
2 24 3.15 31.35 .22 3.15 31.05 4.31
2 24 5.8 32.35 .23 5.8 32.04 4.45
2 24 5.8 34.86 .24 5.8 34.53 4.79
2 24 3.73 36.7 .26 3.73 36.35 5.04
0
2 24 0 40.37 5.89 2.2 40.37 5.89
2 24 2.2 40.37 5.89 4.3 39.19 5.72
2 24 4.3 39.19 5.72 4.3 37.4 5.46
2 24 4.3 37.4 5.46 6.4 37.4 5.46
2 24 6.4 37.4 5.46 7 35.03 5.11
0
2 24 0 40.8 0 2.2 40.8 0
2 24 2.2 40.8 0 4.3 39.6 0
2 24 4.3 39.6 0 4.3 37.8 0
2 24 4.3 37.8 0 6.4 37.8 0
2 24 6.4 37.8 0 7 35.4 0
0 arêtes cran creusé
2 24 0 40.37 5.89 0 39.41 10.56
2 24 0 38.39 5.6 0 37.48 10.04
2 24 4.3 37.4 5.46 4.3 36.51 9.78
2 24 7 35.03 5.11 7 34.19 9.16
2 24 7 30.56 4.24 7 29.74 8.19
2 24 5.65 30.56 4.24 5.65 29.74 8.19
2 24 5.65 29.07 4.03 5.65 28.3 7.79
2 24 4.15 28.58 3.97 4.15 27.81 7.66
2 24 3.15 28.58 3.97 3.15 27.81 7.66
2 24 3.15 31.05 4.31 3.15 30.22 8.33
2 24 5.8 32.04 4.45 5.8 31.19 8.59
2 24 5.8 34.53 4.79 5.8 33.61 9.26
2 24 3.73 36.35 5.04 3.73 35.38 9.75
0
2 24 0 39.41 10.56 0 37.48 10.04
2 24 0 37.48 10.04 4.3 36.51 9.78
2 24 4.3 36.51 9.78 7 34.19 9.16
0
2 24 0 40.37 5.89 0 38.39 5.6
2 24 0 38.39 5.6 4.3 37.4 5.46
2 24 4.3 37.4 5.46 7 35.03 5.11
0
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Message has 3 Replies:
 | | Re: Problem with BFC
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| Hi Damien, I've downloaded your part and had a look at it using MLCad. When you look more exactly at the part e.g. zoom in to see details, you will see that not only that sub-parts are drawn wrong where the background is white and so we can see them (...) (24 years ago, 16-Apr-00, to lugnet.cad.dev)
| | | Re: Problem with BFC
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| (...) I've looked at your files, and they seem to be OK. But it was a manual review, I didn't calculate the determinants of the transform reference matrices. At this point, it looks like a bug in the MLCad code. We'll have to wait to see if Michael (...) (24 years ago, 20-Apr-00, to lugnet.cad.dev)
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