PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture...

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Transcript of PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture...

Page 1: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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Page 2: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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Page 3: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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Page 4: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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(u, v) ([0..1], [0..1]):

(u, v)

Page 5: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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C[ j] j [0..M -1]

q [i] = 2i /N i [0..N ]

i = 0

i = N

0 2

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v

v

v

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(u, v) ([0..1], [0..1])

(utex, vtex) ([0.. wtex ], [0.. htex ])

Page 8: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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( )

( )

( ) ( ) ( )

T , ________ T[ , ] ________ T[ 1, ]

T , 1 ________ T[ , 1] ________ T[ 1, 1]

T , ________ T , ________ T , 1

__________ T[ , ] __________ T[ 1, ]

__________ T[ , 1] __________ T[ 1,

x

x

x y x x

i j i j i j

i j i j i j

i j i j i j

i j i j

i j i

+ = + +

+ + = + + + +

+ + = + + + +

= + + +

+ + + 1]j +

T(a,b) = T i+Dx, j + D

y( )

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Page 10: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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(u, v)

u

Q

Q

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Q(u)

N Q(u)

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Page 13: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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Page 14: PowerPoint Presentation · 2020. 10. 27. · Point on triangle mesh Mapping to abstract texture coords tex tex tex Mapping to texture pixel coords . tex tex Mapping to texture pixel

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in(x, y, z) =

stripes(x)out(x ,y, z) =

stripes(x + shift(x, y, z))

Incr

easi

ng

K

shift(x, y, z) =

K noise(x, y, z)

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