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1. 发明专利

JPH09179996A EXPRESSION SYSTEM FOR GEOMETRIC RESTRICTION CONDITION 失效
公开(公告)号：JPH09179996A
公开(公告)日：1997-07-11
申请号：JP34089895
申请日：1995-12-27
申请人： NIPPON KOKAN KK
发明人： HIRANO HISASHI , AOKI KIYOSHI , IMABETSUPU MASAYOSHI , HOTTA KUNIHIKO , YOSHII KOICHI , HIRANABE KENJI
IPC分类号： G06F17/50 , G06T11/80
摘要： PROBLEM TO BE SOLVED: To simplify operation for the definition of a geometric restriction condition by forming a virtual restriction point and expressing the geometric restriction condition by a geometric shape and the virtual restriction point. SOLUTION: A figure (a) (pattern 1) expresses the restriction condition relation of a single geometric shape and the center point B of a circle 2 e.g. corresponds to the pattern 1. A figure (b) (patter 2) expresses the relation of restriction conditions between plural geometeric shapes and an intersection between segments 1, 2 e.g. corresponds to the pattern 2. A figure (c) (pattern 3) expresses the relation of restriction conditions between different virtual restriction points and a center C between the points B, A at the time of defining the center point B and the intersection A as virtual restriction points corresponds to the pattern 3. A geometric restriction condition is also expressed as relation between a virtual restriction point and a geometric shape. Since the virtual restriction point is formed and the geometric restriction condition is expressed by the geometric shape and the virtual restriction point, operation for the definition of the geometric restriction condition can be simplified.

2. 发明专利

JP2001291117A DEVICE FOR DESIGNING EXTERIOR PACKAGE AND RECORDING MEDIUM 失效
公开(公告)号：JP2001291117A
公开(公告)日：2001-10-19
申请号：JP2000105842
申请日：2000-04-07
申请人： NIPPON KOKAN KK
发明人： YOSHII KOICHI , SATO NAOTO , NAITO NOBUYUKI
IPC分类号： G06F17/50 , G06T17/00 , G06T17/40
摘要： PROBLEM TO BE SOLVED: To provide an exterior package designing device capable of making shelling and producing a product exterior package part solid model even when the offset surfaces of respective adjacent surfaces of the exterior package surface of the original product solid model become discontinuous from each other, and a recording medium. SOLUTION: A shape information storing part 2000 recording product shape information being an external storage device such as a magnetic disk and a temporary shape information storing part 3000 utilized in the case of performing shape processing are connected to a device body 1000, and a display 5000 such as a CRT as an output device, a printer and a plotter 6000 are connected to the body 1000. A mouse and a keyboard 4000 being input devices with which an operator operates this device are also connected.

3. 发明专利

JPH1097647A METHOD FOR CHANGING SHAPE BY HISTORY CHANGING 失效
公开(公告)号：JPH1097647A
公开(公告)日：1998-04-14
申请号：JP24943996
申请日：1996-09-20
申请人： NIPPON KOKAN KK
发明人： YOSHII KOICHI , HOTTA KUNIHIKO , AOKI KIYOSHI , HIRANO HISASHI
IPC分类号： G06F17/50 , G06T17/40
摘要： PROBLEM TO BE SOLVED: To provide a method for changing shape by history changing by which a shape can be deformed to a different phase structure by automatically discriminating the rewriting spot and content of operating history. SOLUTION: A method for changing shape includes a process for fetching the shape of an object to be deformed, a replaced shape used for generating or changing the object to be deformed, the replaced shape, and a replacing shape which is a new shape for replacing the replaced shape, a process for retrieving a spot having such operating history that the shape of the object to be deformed is replaced for the replaced shape by analyzing the operating history generating the shape of the object to be deformed, a process for changing the operating history of the shape of the object to be deformed by inserting the operating history when the replacing shape is generated into the inserting spot corresponding to the spot retrieved in the preceding process, and a process for generating the shape of the object to be deformed after the replaced shape is replaced for the replacing shape by reexecuting the changed operating history.

4. 发明专利

JPH1097553A SHAPE DEFORMATION METHOD BY ALTERING HISTORY 失效
公开(公告)号：JPH1097553A
公开(公告)日：1998-04-14
申请号：JP24943896
申请日：1996-09-20
申请人： NIPPON KOKAN KK
发明人： KATO TATSUO , AOKI KIYOSHI , HOTTA KUNIHIKO , INOUE KAZUE , YOSHII KOICHI , HIRANO HISASHI
IPC分类号： G06F17/50 , G06T17/40
摘要： PROBLEM TO BE SOLVED: To facilitate a shape altering work by altering the history of a shape based on the alteration when alteration contents are inputted, executing the altered history and generating the altered shape. SOLUTION: In a history altering part 606, history generated by an editing command is inserted into a judged position to update history registered in a history area 608. A history re-execution part 607, eliminates all the shapes. The editing command 614 for eliminating all the shapes is executed through a command execution part 604. A history re-execution part 607 re-executes history. History is sequentially executed from the head through the command execution part 604. The command execution part 604 interprets a command name and a parameter in history and executes the editing command 614 from the interpreted command name and transfers a parameter. The executed editing command 614 registers a generation, compilation or elimination results in a shape storage area 609 and eliminates or alters it.

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