[특허]System and method for identifying wall faces in an object model

System and method for identifying wall faces in an object model 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-017/50 G06F-007/60 G06G-007/48 G06T-015/00 G06F-017/00 G06T-017/00 G06F-007/00
출원번호	US-0558083 (2009-09-11)
등록번호	US-8260583 (2012-09-04)
발명자 / 주소	Mawby, Eric Hambridge, Victor
출원인 / 주소	Siemens Product Lifecycle Management Software Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 28

초록 ▼

A method, system, and computer readable medium for identifying wall features in an object model represented in a CAD system. A method includes loading an object model in a CAD system and receiving a selection of a first face of the object model by the CAD system. The method includes finding candidate wall faces by the CAD system and storing the candidate wall faces in a candidate list, and designating at least one candidate wall face in the candidate list as a counterpart face to the first face. The method includes storing the first face and the counterpart faces as a wall of the object model. Some methods include removing at least one second face from the candidate list based on an exclusion rule.

대표청구항 ▼

1. A method for identifying wall features in an object model represented in a CAD system, comprising: loading an object model in a CAD system;receiving a selection of a first face of the object model by the CAD system;finding candidate wall faces by the CAD system and storing the candidate wall faces in a candidate list;designating at least one candidate wall face in the candidate list as a counterpart face to the first face based on at least one of geometric conditions, spatial proximity, or topological proximity; andstoring the first face and the counterpart faces in the CAD system as a wall of the object model. 2. The method of claim 1, wherein finding candidate wall faces includes determining if the first face is from a same object model body as a second face. 3. The method of claim 1, wherein finding candidate wall faces includes determining if the first face is of a same surface type as a second face. 4. The method of claim 1, wherein finding candidate wall faces includes determining if the first face has opposing normal vectors as a second face. 5. The method of claim 1, wherein finding candidate wall faces includes determining if the first face is offset from a second face. 6. The method of claim 1, further comprising removing at least one second face from the candidate list based on an exclusion rule. 7. The method of claim 6, wherein the exclusion rule includes determining if the first face and the second face have a common range. 8. The method of claim 6, wherein the exclusion rule includes determining the distance between the first face and the second face. 9. The method of claim 6, wherein the exclusion rule includes determining if the first face and the second face have a common neighbor face. 10. A CAD system comprising a processor and accessible memory, the CAD system particularly configured to perform the steps of: loading an object model;receiving a selection of a first face of the object model;finding candidate wall faces and storing the candidate wall faces in a candidate list;designating at least one candidate wall face in the candidate list as a counterpart face to the first face based on at least one of geometric conditions, spatial proximity, or topological proximity; andstoring the first face and the counterpart faces as a wall of the object model. 11. The CAD system of claim 10, wherein finding candidate wall faces includes determining if the first face is from a same object model body as a second face. 12. The CAD system of claim 10, wherein finding candidate wall faces includes determining if the first face is of a same surface type as a second face. 13. The CAD system of claim 10, wherein finding candidate wall faces includes determining if the first face has opposing normal vectors as a second face. 14. The CAD system of claim 10, wherein finding candidate wall faces includes determining if the first face is offset from a second face. 15. The CAD system of claim 10, the CAD system further configured to perform the step of removing at least one second face from the candidate list based on an exclusion rule. 16. The CAD system of claim 15, wherein the exclusion rule includes determining if the first face and the second face have a common range. 17. The CAD system of claim 15, wherein the exclusion rule includes determining the distance between the first face and the second face. 18. The CAD system of claim 15, wherein the exclusion rule includes determining if the first face and the second face have a common neighbor face. 19. A tangible machine-readable medium encoded with computer-executable instructions that, when executed, cause a CAD system to perform the steps of: loading an object model;receiving a selection of a first face of the object model;finding candidate wall faces and storing the candidate wall faces in a candidate list;designating at least one candidate wall face in the candidate list as a counterpart face to the first face based on at least one of geometric conditions, spatial proximity, or topological proximity; andstoring the first face and the counterpart faces as a wall of the object model. 20. The machine-readable medium of claim 19, further encoded with instructions that when executed cause the CAD system to perform the step of removing at least one second face from the candidate wall face based on an exclusion rule.

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System and method for identifying wall faces in an object model 원문보기

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