1.2 3??CAD????? P.5~

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2011?4?21?
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1.2 3??CAD????? P.5
3??????????

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3????????????
????(B-REP)???CGS???2??

• B-REP (Boundary Representation)??
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• CSG (Constructive Solid Geometry)??
• ??????(??)??????????

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3????????????
????(B-REP)?? ????????????????????

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3????????????
????(B-REP)??

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3????????????
????(B-REP)??

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3????????????
CSG?? ??????(??)??????????
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3????????????
CGS?? ??????(??)??????????

• ???????????(???)???

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3??CAD????????
????(??????)

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• ???????(??????)

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3??CAD?CG??
????????

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3??CAD?CG??
???????

• ??????????????????,
• 3???????????????CG???

??????????? (flat shading)
?????????? (gouraud shading)
??????? (radiosity)
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3??CAD?CG??
??????????

• ????????????????????
• ???????????????????????

???????? (bump mapping)
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1.3 ??????CAD????P.9

• PLM (Product Lifecycle Management)
• ?????????????????????????????????????????????????
  ?
• ????????????

???????????????????????????????????? ????????????
???????????? ?????(?????????)???????????????????
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??????CAD????

• 2??CAD?3??CAD????????????
• 2??CAD
• ?????????????????????????????????????????????????
  ??????????????

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??????CAD????

• 2??CAD?3??CAD????????????
• 3??CAD
• ???3??????????????????????????????????????

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??/??
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CAD?????????

• ????????????????????
• CAM(Computer Aided Manufacturing)
• ????????????????,??????????????????????????
• CAE(Computer Aided Engineering)
• CAD???????????????????????????????
• PDM(Product Data Management)
• CAD?????????,????????????????,??,?????????????

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CAD?????????

• ????????????????????
• DMU(Digital Mock UP)
• 3?????????????????????????
• CG(Computer Graphics)
• 3????????????????

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1.4 ????? P.11

• CAD????????????????????,??,?????????????????,????
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• ??,???????????,??????????????(??????)????????????
  ????,???????????????????.

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????????,??????
???????????CAD??????????????????????,??????????
??????? ??????????????????????? (a)IGES
ANSI(????????)?????????? 3??????????????????????
????
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(b)DXF Autodesk?AutoCAD??-?????????
2???????????????? ????????????CAD?????????????
(c)BMI ?????????MicroCADAM?????????
??????????
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(d)STEP ISO(???????)???????????
?????????????????????? IGES????????????????
???????????? (e)SXF CAD????????????????(SCADEC)
? ????????CAD?????????????