A surface is a possibly curved two dimentional shape in a higher dimentional space.
It can be a boundary between different volumes.
Parameterisation 
Quadratic Equation 
metadata block 

see also: 

Correspondence about this page  
Book Shop  Further reading. Where I can, I have put links to Amazon for books that are relevant to the subject, click on the appropriate country flag to get more details of the book or to buy it from them. 
3D Math Primer  Aimed at complete beginners to vector and matrix algebra. 
This site may have errors. Don't use for critical systems.
Copyright (c) 19982023 Martin John Baker  All rights reserved  privacy policy.