Formation of a 3d model from 2d projections?

Question

Programming

How can this be done?
Are there libraries for C++?
I can't find the info, tell me where to dig! Google sends to the forest.

Answer 1

Look at the name of the technique you want to use in the graphic editor and then you can quickly google it.
Here is an example of what are the basic techniques for getting 3d from 2d:
www.peachpit.com/articles/article.aspx?p=30594&seqNum=4
and here is an explanation of how to implement extrude:
gamedev.stackexchange.com/questions/113060/how-can ...
You would be interested in books on computational geometry, for example this one www.ozon.ru/context/detail/id/137356026 , or the same in the original https://www.amazon.com/Computational-Geometry-Appl. ..
I have not read this book, but it seems to be the content of the rules.