制作足球-一个关于布尔和并曲面的问题(Why does using Boolean union to merge surfaces produce different results?(surface or joined srf))
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 From:  Michael Gibson
11426.6 In reply to 11426.5 
Hi SUIYAN, in the future I would like to enable more cases where surfaces can get merged with Boolean Union. Currently it's only supported for 2 coplanar planes or when the 2 surfaces are trimmed pieces of the same larger underlying surface.

That has nothing to do with accuracy though.

If having larger surfaces are important for you, it would probably be better to create larger surfaces to begin with instead of making lots of little fragments.

- Michael
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 From:  大道刀 (SUIYAN)
11426.7 In reply to 11426.6 
>If having larger surfaces are important for you, it would probably be better to create larger surfaces to begin with instead of making lots of little fragments.

HI Michael

您说的当然是正确的,但如同所有与足球类似类型的物体,本身是一个球体的拆分成许多不同的有规律的曲面的过程,这首先需要保证投影曲线搭建的框架的完整性,再进行修剪组合的过程,而不是一开始就构建那些可以通过合并形成的更大的面,因为得看这些面的具体位置和形状,而确定框架的意义在于,让这些大的完整的面的形状和位置无论怎么改变都能被这些曲面组合出来,在实际应用中更多的大的曲面是由小的曲面组合而成,而并非一开始就是完整的面。


What you said is certainly correct, but like all objects of similar types to football, which are themselves a sphere divided into many different and regular surfaces, this first requires ensuring the integrity of the framework built by the projection curve, and then the process of trimming and combining, rather than building larger faces that can be formed by merging from the beginning, because it depends on the specific position and shape of these faces. The significance of determining the framework is to ensure that the shape and position of these large and complete faces can be combined by these surfaces no matter how they are changed. In practical applications, more large surfaces are composed of smaller surfaces, rather than just complete faces from the beginning.

so >in the future I would like to enable more cases where surfaces can get merged with Boolean Union,is great!

EDITED: 8 Jun 2024 by SUIYAN

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 From:  Michael Gibson
11426.8 In reply to 11426.7 
Hi SUIYAN, for now you would be able to get more pieces to merge if you take care that their initial starting spheres were the same.

If you want to mirror or rotate a piece, do that on your curves but not the surface and then trim the one common surface with the transformed curves.

Pieces constructed in that manner will be able to merge.

- Michael
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 From:  大道刀 (SUIYAN)
11426.9 In reply to 11426.8 
Thinks Michael

我偶尔这么做,但这样又需要额外计算旋转的角度或捕捉点,镜像平面等。我创建这个讨论只是单纯的想知道为什么会不同并且改进。
I occasionally do this, but it requires additional calculation of rotation angles or snap points, mirror planes, etc. I created this discussion simply to understand why it is different and to improve it.

祝好。
Best wishes to you.
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