Abstract: A CAD file converting device for applying CAD files created in a CAD system for machines to a CAD system for ships maps modeling units that the CAD files created in the CAD system for machines and those applied in the CAD system for ships, and converts parameter values determining feature shapes in the mapped modeling units into parameter values proper to the CAD files of the CAD system for ship design. Accordingly, CAD files of a CAD system for machines can be accurately converted into CAD files of a CAD system for ships.

Abstract: A CAD file converting device for applying CAD files created in a CAD system for machines to a CAD system for ships maps modeling units that the CAD files created in the CAD system for machines and those applied in the CAD system for ships, and converts parameter values determining feature shapes in the mapped modeling units into parameter values proper to the CAD files of the CAD system for ship design. Accordingly, CAD files of a CAD system for machines can be accurately converted into CAD files of a CAD system for ships.

Abstract: The present invention relates, in general, to technology applied to entertainment information devices, such as video game machines or computer game programs, information devices for representing geo-spatial information, or information devices for performing three-dimensional rendering using computer graphics and, more particularly, to a protruded displacement mapping method, which represents an object as protruding from a surface. In the image-based protruded displacement mapping method of the present invention, an intersection point search step of searching for an intersection point of a surface of a protruding object, defined by the displacement information, and an observers sight line, and displaying the shape of the protruding object on the polygonal surface, is performed.

Abstract: The present invention relates, in general, to technology applied to entertainment information devices, such as video game machines or computer game programs, information devices for representing geo-spatial information, or information devices for performing three-dimensional rendering using computer graphics and, more particularly, to a protruded displacement mapping method, which represents an object as protruding from a surface. In the image-based protruded displacement mapping method of the present invention, an intersection point search step of searching for an intersection point of a surface of a protruding object, defined by the displacement information, and an observers sight line, and displaying the shape of the protruding object on the polygonal surface, is performed.

Abstract: A method for generating a three-dimensional stereographic image on the basis of a two-dimensional planar image for one eye and depth information of the image stored in the Z-buffer. The first two-dimensional image for one eye of a viewer is created by rendering a three-dimensional model. Color information and depth information of the first two-dimensional image are stored in the frame buffer and the Z-buffer, respectively. The second two-dimensional image for the other eye of the viewer is created on the basis of the first two-dimensional image, the color information stored in the frame bufer, and the depth information stored in the Z-buffer. A stereographic image is generated on the basis of the first two-dimensional image and the second two-dimensional image.