Editing Non-photorealistic rendering (section)

==Further reading==
Some key papers in the development of NPR are:
* {{cite journal |doi=10.1145/97880.97902 |citeseerx=10.1.1.94.8782 |title=Paint by numbers: Abstract image representations |year=1990 |last1=Haeberli |first1=Paul |journal=ACM SIGGRAPH Computer Graphics |volume=24 |issue=4 |pages=207–214 }}
* {{cite journal |doi=10.1145/97880.97901 |citeseerx=10.1.1.83.4139 |title=Comprehensible rendering of 3-D shapes |year=1990 |last1=Saito |first1=Takafumi |last2=Takahashi |first2=Tokiichiro |journal=ACM SIGGRAPH Computer Graphics |volume=24 |issue=4 |pages=197–206 }}
* {{cite thesis |last1=Cockshott |first1=Malcolm Tunde |title=Wet and Sticky: A Novel Model for Computer-Based Painting |date=1991 |id={{ProQuest|2124902248}} |url=https://theses.gla.ac.uk/78293/ }}
* {{cite book |doi=10.1145/192161.192184 |chapter=Computer-generated pen-and-ink illustration |title=Proceedings of the 21st annual conference on Computer graphics and interactive techniques - SIGGRAPH '94 |year=1994 |last1=Winkenbach |first1=Georges |last2=Salesin |first2=David H. |pages=91–100 |isbn=978-0-89791-667-7 |s2cid=3234749 }}
* {{cite book |doi=10.1145/192161.192185 |chapter=Interactive pen-and-ink illustration |title=Proceedings of the 21st annual conference on Computer graphics and interactive techniques - SIGGRAPH '94 |year=1994 |last1=Salisbury |first1=Michael P. |last2=Anderson |first2=Sean E. |last3=Barzel |first3=Ronen |last4=Salesin |first4=David H. |pages=101–108 |isbn=978-0-89791-667-7 |s2cid=1098501 }}
* {{cite book |doi=10.1145/237170.237288  |citeseerx=10.1.1.126.7091 |chapter=Painterly rendering for animation |title=Proceedings of the 23rd annual conference on Computer graphics and interactive techniques - SIGGRAPH '96 |year=1996 |last1=Meier |first1=Barbara J. |pages=477–484 |isbn=978-0-89791-746-9 |s2cid=1199189 }}
* {{cite book |doi=10.1145/280814.280950  |citeseerx=10.1.1.435.1775 |chapter=A non-photorealistic lighting model for automatic technical illustration |title=Proceedings of the 25th annual conference on Computer graphics and interactive techniques - SIGGRAPH '98 |year=1998 |last1=Gooch |first1=Amy |last2=Gooch |first2=Bruce |last3=Shirley |first3=Peter |last4=Cohen |first4=Elaine |pages=447–452 |isbn=978-0-89791-999-9 |s2cid=1411270 }}