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ÑOÀ HOÏA 2D CAÙC THUAÄT TOAÙN XEÙN HÌNH Giaûng vieân: Nguyeãn Vaên Tröôøng Hoïc vieän kyõ thuaät Quaân Söï
Xeùn ña giaùc Thuaät toaùn Sutherland-Hodegman
Baøi toaùn ,[object Object],[object Object],[object Object],[object Object],P P
Nöûa maët phaúng trong/ngoaøi ,[object Object]
Nhaän xeùt ,[object Object],cöûa soå quan saùt
Thuaät toaùn ,[object Object],[object Object],[object Object],[object Object],[object Object]
Thuaät toaùn
Xeùn ña giaùc baèng caïnh traùi ,[object Object],[object Object],[object Object],[object Object]
Thuaät toaùn xeùn ña giaùc baèng caïnh traùi ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Tröôøng hôïp 1 p s OUT = {……………}
Tröôøng hôïp 2 p s i OUT = {……………}
Tröôøng hôïp 3 p s OUT = {……………}
Tröôøng hôïp 4 p s i OUT = {……………}
Ví duï ,[object Object],A B C D E F
Ví duï A B C D E F G Vì A ngoaøi, F trong Neân OUT = { G }
Ví duï A B C D E F G H Vì B trong, A ngoaøi Neân OUT = {G HB }
Ví duï A B C D E F G H Vì C trong, B trong Neân OUT = {GHB C }
Ví duï A B C D E F G H I Vì D ngoaøi, C trong Neân OUT = {GHBC I }
Ví duï A B C D E F G H I Vì E ngoaøi, D ngoaøi Neân OUT = {GHBCI}
Ví duï A B C D E F G H I J Vì F trong, E ngoaøi Neân OUT = {GHBCI JF }
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