Patent Document ID: 20090289940
Application ID: 12312700
Patent Flag: 0

Claim One:
1. A computer-readable recording medium which stores a rendering program for rendering a sterical model that is created beforehand in a virtual three-dimensional space, the program causing a computer to function as: a model acquisition portion for acquiring the sterical model; a texture acquisition portion for acquiring a texture of a fabric which has height information representing the shape of a surface of the fabric and fiber direction information indicating a fiber direction of a yarn configuring the fabric, and which is attached to a surface of the sterical model; a rendering portion for rendering the sterical model by using the texture and a reflection function expressing an energy of reflected light of the yarn that corresponds to a ray direction, an eye direction and the fiber direction represented by the fiber direction information, the directions being in the virtual three-dimensional space; a reflection property acquisition portion for acquiring a reflection property of an actual yarn that is obtained by measuring an energy of reflected light of the actual yarn after changing the ray direction and the eye direction and; and a correction portion for correcting the reflection function so that an error between the reflection property acquired by the reflection property acquisition portion and the energy of the reflected light obtained from the reflection function becomes minimum, wherein the rendering portion renders the sterical model by using the reflection function corrected by the correction portion.