How to calculate the three-dimensional surface of a revolved arch by autocad 2007? such as an irreular dome
Something like this? I am confused by your terms surface and solid and never really mentioned the word area.
Also the axis of rotation was not connected to your arc in your image?
thanks alot : totally , the position of the rotation axis is not important . My main purpose is , calculating the outer area of a dome surface , which is made when an arc revolved around an axis in 3D space.
Perhpas my approach isn't as accurate as you might like but...
I modeled the dome and used solidedit to shell the solid, removing the bottom face and entering a really thin wall thickness. I used massprop to get the volume and divided that value by 2
hello and thanks very much for your notice: Excuse me , but is it possible , explain more and exact? I do not know your idea about , (shell the solid, and removing the bottom facuse mece). what do i do exactly ?
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