Abstract: In order to circumvent the problems above, the present invention aims to expand the scope of the usage of the information included in three-dimensional shape data by acquiring the shape information included in the three-dimensional shape data automatically on a shape element basis and setting linkages across the acquired information. Linked processing can be performed across the corresponding shape information having different shape elements by adding a linkage identifier to the shape information when generating the shape information from the three-dimensional shape data. For example, when processing for a single shape information is carried out, other shape information can be edited by linkage.
Abstract: The objective of the present invention is to provide a method for approximating and displaying a three-dimensional object represented by CAD data.
Type:
Grant
Filed:
December 26, 2003
Date of Patent:
November 13, 2007
Assignees:
Toyota Jidosha Kabushiki Kaisha, Lattice Technology, Inc.
Abstract: The objective of the invention is to provide a three-dimensional data display apparatus that easily saves an entire or a portion of the display state of the graphics, so that the data can be selected and restored according to the instructions of the user.
Type:
Application
Filed:
July 28, 2003
Publication date:
August 10, 2006
Applicant:
Lattice Technology, Inc.
Inventors:
Masato Toho, Tsuyoshi Harada, Makito Seki, Tomohiro Yamada
Abstract: In order to circumvent the problems above, the present invention aims to expand the scope of the usage of the information included in three-dimensional shape data by acquiring the shape information included in the three-dimensional shape data automatically on a shape element basis and setting linkages across the acquired information. Linked processing can be performed across the corresponding shape information having different shape elements by adding a linkage identifier to the shape information when generating the shape information from the three-dimensional shape data. For example, when processing for a single shape information is carried out, other shape information can be edited by linkage.
Abstract: A method of generating a free-form surface model includes the steps of applying linear transformation to a lattice polygon model to generate vertices of a free-form surface model corresponding to respective vertices of the lattice polygon model, and generating control points of cubic Bezier curves that connect the vertices of the free-form surface model, and that correspond to respective edges of the lattice polygon model.
Type:
Grant
Filed:
March 16, 2000
Date of Patent:
March 15, 2005
Assignees:
Ricoh Company, Ltd., Lattice Technology, Inc.