missed faces
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 From:  Michael Gibson
2968.6 In reply to 2968.5 
Hi andras, thanks for the example file, that helps a lot when I can repeat the problem over here.

It is a problem related to the tolerance value - segments that approached too close to that tolerance value could generate a bad extrusion with the small piece kind of collapsed down on itself.

It's fixed up for the next v2 beta, so this example and others like it should be working ok after the next beta release.

- Michael
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 From:  andras
2968.7 In reply to 2968.6 
thank you
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 From:  andras
2968.8 In reply to 2968.6 
Hello Michael. Currently I have similar probleme with Loft command... the command is not working maybe the tolerance again?
you can see two simple circle in the scene.

EDITED: 17 Oct 2009 by ANDRAS

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 From:  Michael Gibson
2968.9 In reply to 2968.8 
Hi andras, actualy this problem is somewhat different, it's a failure of the automatic un-twisting mechanism.

There is a process that MoI does in some operations like Loft to line up the "seam point" of a closed curve when combining them together into a surface to try and avoid making a twisted result.

In this case it is not working properly, and the surface that it is trying to generate is all twisted and messed up.

You can fix it though by adjusting the seam point by dragging on the little grips that show up in the viewport at the "Loft options" prompt before you exit the Loft command. When you get them aligned well, the surface will then pop in like this:



I'll put this on my list to look at in the future, it would be good if the automatic untwisting optimizer would handle this better, but it most likely has something to do with the very long and skinny shape. And actually a kind of tolerance is likely to be involved as well - there is a part of the untwister that decides if the "natural" seam orientation is close enough to the optimized one, it will use the natural one instead. It looks like that is getting triggered here and the natural seam of each circle in this case are rotated by 180 degrees from one another.

So another workaround to fix it is to rotate one of the circles by 180 degrees which you can do using the rotation grip on the edit frame.

- Michael
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 From:  andras
2968.10 In reply to 2968.9 
thanks it is interesting. but dont work on Sunday :) .thanks again
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 From:  Michael Gibson
2968.11 In reply to 2968.8 
Hi andras, by the way the Loft problem that you reported here between those 2 little circles should now be fixed in the new beta.

Thanks for reporting it and for sending the file to test with.

- Michael
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 From:  andras
2968.12 In reply to 2968.11 
not at all. yes I know I have read your review about new beta. thanks
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 From:  andras
2968.13 In reply to 2968.11 
Hello michael I found a similar issue in the new beta (October) version.
I used planar command . If I scale the object the problem is not existing.
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 From:  Ralf-S
2968.14 
I have no problem, please take a look. :)
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 From:  andras
2968.15 In reply to 2968.14 
it is strange. I am using the latest beta. But your file is 25 kb mine is 24 kb.
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 From:  Ralf-S
2968.16 
...hmm, the problem is not the file size. (I also use the V2 Beta Oct-19-2009, Vista 64 bit)

After creating your geometry/figur with curves, you have to "Join" the curves and then you can use "Planar". ;-)
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 From:  Michael Gibson
2968.17 In reply to 2968.13 
Hi andras,

> Hello michael I found a similar issue in the new beta
> (October) version.
> I used planar command . If I scale the object the problem
> is not existing.

Yeah, this is the same issue as before - the line that does not behave well there is very tiny in size, only 0.001 units long.

I just do not currently recommend making objects that have any individual features at such a small size (especially approaching close to 0.001 units), you will likely continue to run into this problem many more times with trying to create objects at that small scale right now.

I have adjusted the Planar command for the next beta so that it will work properly for this now though.

- Michael
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