KR880005535A - How to create offset surface data - Google Patents

How to create offset surface data Download PDF

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Publication number
KR880005535A
KR880005535A KR870011552A KR870011552A KR880005535A KR 880005535 A KR880005535 A KR 880005535A KR 870011552 A KR870011552 A KR 870011552A KR 870011552 A KR870011552 A KR 870011552A KR 880005535 A KR880005535 A KR 880005535A
Authority
KR
South Korea
Prior art keywords
surface data
offset
vector
curved surface
data
Prior art date
Application number
KR870011552A
Other languages
Korean (ko)
Inventor
데츠조 구라가노
노부오 사사키
Original Assignee
오가 노리오
소니 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP25018786A external-priority patent/JP3187813B2/en
Priority claimed from JP25018686A external-priority patent/JP3187812B2/en
Application filed by 오가 노리오, 소니 가부시키가이샤 filed Critical 오가 노리오
Publication of KR880005535A publication Critical patent/KR880005535A/en

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Abstract

내용 없음No content

Description

옵셋곡면 데이터 작성방법How to create offset surface data

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본원 발명에 의한 옵셋곡면 데이터 작성방법의 일실시예를 나타내는 플로차트.1 is a flowchart showing an embodiment of a method for creating offset surface data according to the present invention.

제2도는 그 보간데이터의 작성 순서를 나타내는 약선도.2 is a schematic diagram showing a procedure for creating interpolation data.

Claims (1)

자유곡면을 나타내는 서로 인접하는 제1 및 제2의 패치를 절삭 목표로 하는 옵셋곡면 데이터를 생성하는 옵셋곡면 데이터 작성방법에 있어서, 상기 제1 및 제2의 패치의 공유경계를 나타내는 각 제어점에 있어서, 상기 제1의 패치에 대응하는 제1의 옵셋곡면 데이터에 의하여 표시되는 제1의 불연속 끝면에 직교하여 바깥쪽으로 향하는 제1의 백터를 구하는 동시에, 상기 제2의 패치에 대응하는 제2의 옵셋곡면 데이터에 의하여 표시되는 법선벡터로 이루어지는 제2의 벡터를 구하고, 상기 제2의 벡터의 면과 상기 제1의 벡터와의 교차점 위치를 구하여, 이 교차점 위치 데이터를 상기 제1 및 제2의 옵셋곡면 데이터 사이의 생기는 불연속 공간에 있어서의 제3의 옵셋곡면 데이터로 하여 보간하는 것을 특징으로 하는 옵셋곡면 데이터 작성 방법.An offset surface data generation method for generating offset curved surface data whose first and second patches are adjacent to each other representing a free curved surface as a cutting target, wherein each control point indicates a shared boundary between the first and second patches. Obtaining a first vector facing outwardly orthogonally to a first discontinuous end surface indicated by the first offset curved surface data corresponding to the first patch, and at the same time, a second offset corresponding to the second patch A second vector consisting of a normal vector represented by curved data is obtained, and the intersection position between the plane of the second vector and the first vector is obtained, and the intersection position data is obtained by the first and second offsets. And interpolating the third offset surface data in the discontinuous space generated between the curved surface data. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870011552A 1986-10-21 1987-10-19 How to create offset surface data KR880005535A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25018786A JP3187813B2 (en) 1986-10-21 1986-10-21 How to create offset surface data
JP250187 1986-10-21
JP250186 1986-10-21
JP25018686A JP3187812B2 (en) 1986-10-21 1986-10-21 How to create offset surface data

Publications (1)

Publication Number Publication Date
KR880005535A true KR880005535A (en) 1988-06-29

Family

ID=68344007

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870011552A KR880005535A (en) 1986-10-21 1987-10-19 How to create offset surface data

Country Status (1)

Country Link
KR (1) KR880005535A (en)

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