Information processor

Details Information processor Information processor

2006-04-18

2006-04-18

Nguyen, Kimbinh T. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S419000, C345S581000, C345S422000, C345S586000, C345S643000, C345S644000, C382S251000, C382S276000

Reexamination Certificate

active

07030880

ABSTRACT:
In an information processing apparatus for conducting an affine transformation representative of(x′y′z′)=A⁡(xyz)+(t1t2t3),⁢a⁢⁢matrixA′=(a11′a12′a13′a21′a22′a23′a31′a32′a33′)=λ⁢⁢A=(λ⁢⁢a11λ⁢⁢a12λ⁢⁢a13λ⁢⁢a21λ⁢⁢a22λ⁢⁢a23λ⁢⁢a31λ⁢⁢a32λ⁢⁢a33)obtained by multiplying a matrix A for the affine transformation by λ(≠0) is stored in a memory section in advance. In case of conducting calculation processing for transforming coordinates (x,y,z)tinto coordinates (x′,y′,z′)tby means of the affine transformation, A′ and a matrix (t1,t2,t3)tare read from the memory section,in-line-formulae description="In-line Formulae" end="lead"?x′=(a′11*x+a′12*y+a′13*z)/λ+t1;in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?y′=(a′21*x+a′22*y+a′23*z)/λ+t2;in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?z′=(a′31*x+a′32*y+a′33*z)/λ+t3;in-line-formulae description="In-line Formulae" end="tail"?are calculated, and the coordinates (x′,y′,z′)tare obtained.

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