Editing Parallel curve (section)

==Further reading==
* {{Cite journal | doi = 10.1016/0167-8396(90)90023-K| title = Analytic properties of plane offset curves| journal = Computer Aided Geometric Design| volume = 7| issue = 1–4| pages = 83–99| year = 1990| last1 = Farouki | first1 = R. T. | last2 = Neff | first2 = C. A. }}
* {{cite journal | doi = 10.1016/S0010-4485(98)00066-9 | title=Computing offsets of NURBS curves and surfaces | journal=Computer-Aided Design | date=1999 | volume=31 | issue=2 | pages=147–156 | first=Les A. | last=Piegl| citeseerx=10.1.1.360.2793 }}
* {{cite book|first=Ian R. |last=Porteous|title=Geometric Differentiation: For the Intelligence of Curves and Surfaces|year=2001|publisher=Cambridge University Press|isbn=978-0-521-00264-6|pages=1–25|edition=2nd}}
* {{cite book|first1=Nicholas M. |last1=Patrikalakis|first2=Takashi |last2=Maekawa|title=Shape Interrogation for Computer Aided Design and Manufacturing|year=2010|orig-year=2002|publisher=Springer Science & Business Media|isbn=978-3-642-04074-0|at=Chapter 11. Offset Curves and Surfaces}} [http://web.mit.edu/hyperbook/Patrikalakis-Maekawa-Cho/node210.html Free online version].
* {{cite conference |first1=François |last1=Anton |first2=Ioannis Z. |last2=Emiris |first3=Bernard |last3=Mourrain |first4=Monique |last4=Teillaud | author4-link=Monique Teillaud |article=The O set to an Algebraic Curve and an Application to Conics |title=International Conference on Computational Science and its Applications |date=May 2005 |location=Singapore |publisher=Springer Verlag |pages=683–696}}
* {{cite book |first=Rida T. |last=Farouki |title=Pythagorean-Hodograph Curves: Algebra and Geometry Inseparable |year=2008 |publisher=Springer Science & Business Media |isbn=978-3-540-73397-3 |pages=141–178}} Pages listed are the general and introductory material.
* {{cite book |editor-first=Y.-S. |editor-last=Ma |title=Semantic Modeling and Interoperability in Product and Process Engineering: A Technology for Engineering Informatics |year=2013 |publisher=Springer Science & Business Media |isbn=978-1-4471-5073-2 |chapter=Computation of Offset Curves Using a Distance Function: Addressing a Key Challenge in Cutting Tool Path Generation |first1=C. K. |last1=Au |first2=Y.-S. |last2=Ma |pages=259–273}}