Convex Lens Formula
Thin Lens Equation
카테고리: Computer Graphics
Lagrangian vs Eulerian
Grid (격자) vs Particle (입자)
Point Inside Triangle Test & Barycentric Coordinates in 2D
Barycentric coordinates is a coordinate system in which the location of a point of a simplex. http://wanochoi.com/lecture/BarycentricCoordinates.pdf
Accumulated Angle
보통 회전(rotation)하는 양을 나타낼 때 [0,360) 범위의 숫자를 사용한다. 이러한 경우에 361º는 (360+1)º와 동일한 방향(orientation)을 나타내므로 1º로 표기한다. 그런데, 가끔 이러한 범위 제약 없이 연속적으로 누적하여 회전량을 표기해야 할 필요성이 있을 때가 있다. 예를 들어보자. 1 프레임(frame) 마다 1도씩 시계
The Brief Process of “Obama Speech”
The Brief Process of Obama Speech from Wanho Choi on Vimeo. The Brief Process of “Synthesizing Obama” Paper (TOG 2018)
Angular Fisheye Image Mapping: 3D point ⟹ pixel
// given data Point worldPoint = …; Point worldCameraPosition = …; Point worldAimingPoint = …; // the assumption in this example) // the camera’s up vector = world y-axis Vector upVector = Vector( 0.0, 1.0, 0.0 ); // three orthogonal
2D Ocean Displacement Map Rotation
Rotation matrix considering a pivot point
SIGGRAPH 2017 Talks
보호된 글: Chain Force Field Algorithm
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How to exchange rotation matrix between Zelos and Maya
[pre-multiplied system with row-major ordering] (ex) Zelos X: rotation matrix about x-axis Y: rotation matrix about y-axis Z: rotation matrix about z-axis R: rotation matrix in x->y->z axis order. q=(ZYX)p Therefore, R = ZYX [post-multiplied system with column-major ordering] (ex)
보호된 글: SpeedTree for RenderMan
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