{"id":159,"date":"2009-10-24T19:19:41","date_gmt":"2009-10-25T03:19:41","guid":{"rendered":"http:\/\/www.abin.cn\/?p=159"},"modified":"2009-10-24T19:19:41","modified_gmt":"2009-10-25T03:19:41","slug":"%ef%bd%95%ef%bd%87%e4%ba%8c%e6%ac%a1%e5%bc%80%e5%8f%91%e4%b9%8bugopen%e7%b1%bb%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.abin.cn\/?p=159","title":{"rendered":"\uff35\uff27\u4e8c\u6b21\u5f00\u53d1\u4e4bug\/open++\u7c7b\u5e93"},"content":{"rendered":"
\n
\n
\n

UG\/ OPEN++\u7c7b\u5e93
\n\u6982\u8ff0
\nUG\/Open++\u6709\u4e94\u79cd\u4e0d\u540c\u7684\u7c7b\uff1a\u5e94\u7528\u7a0b\u5e8f\u7c7b\uff0c\u5bf9\u8c61\u7c7b\uff0c\u6a21\u677f\u7c7b\uff0c\u8f85\u52a9\u7c7b\uff0c\u548c\u6570\u5b66\u7c7b\u3002<\/p>\n


\n1\uff0c \u5e94\u7528\u7a0b\u5e8f\u7c7b\uff1a
\n\u63a7\u5236UG\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u3002\u5305\u62ec\uff1aUgSession\uff0cUgInfoWindow\uff0c\u548c UgException\u3002
\n2\uff0c \u5bf9\u8c61\u7c7b\uff1a
\n\u5b9a\u4e49\u53ef\u4ee5\u4f5c\u7528\u4e8eUG\u96f6\u4ef6\u6587\u4ef6\u4e2d\u5305\u542b\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cUgArc\uff0cUgFace\uff0c\u548cUgExpression\u7b49\u3002\u8868\u793aUG\u96f6\u4ef6\u7684UgPart\u7c7b\uff0c\u4e5f\u5c5e\u6b64\u7c7b\u3002
\n3\uff0c \u6a21\u677f\u7c7b\uff1a
\n\u63d0\u4f9b\u5e73\u53f0\u65e0\u5173\u7684\u6807\u51c6\u6a21\u677f\u5e93\uff08STL\uff09\u7c7b\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u3002\u8fd8\u6709\u4e00\u4e2a\u904d\u5386UG\/Open++\u5bf9\u8c61\u7684\u6a21\u677f\u7c7b\u3002
\n4\uff0c \u8f85\u52a9\u7c7b\uff1a
\n\u5b9a\u4e49\u7528\u4e8e\u5176\u5b83\u7c7b\u5b9a\u4e49\u4e2d\u7684\u4e34\u65f6\u5bf9\u8c61\u3002\u4f8b\u5982\uff1aThruPoint\u548cEvaluator\u7c7b\u7b49\u3002
\n5\uff0c \u6570\u5b66\u7c7b\uff1a
\n\u5305\u62ec\u901a\u7528\u6570\u5b66\u5bf9\u8c61\u3002\u4e0eUG\u5bf9\u8c61\u7c7b\u7ed3\u5408\u4f7f\u7528\uff0c\u975e\u5e38\u6709\u5e2e\u52a9\u3002\u6570\u5b66\u7c7b\u5305\u62ec\u70b9\uff0c\u5411\u91cf\uff0c\u77e9\u9635\uff0c\u5750\u6807\u7cfb\u7b49\u7c7b\u3002
\n\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7c7b\u90fd\u5b9a\u4e49\u5728\u4e00\u4e2a\u72ec\u7acb\u7684\u5934\u6587\u4ef6\u4e2d\uff0c\u6587\u4ef6\u540d\u662f\u8be5\u7c7b\u7684\u540d\u5b57\u3002\u4f8b\u5982UgArc\u7c7b\u5b9a\u4e49\u5728ug_arc.hxx\u6587\u4ef6\u4e2d\u3002\u6709\u65f6\u4e00\u4e2a\u5934\u6587\u4ef6\u4e5f\u5305\u542b\u8bf8\u5982\u8f85\u52a9\u7c7b\u7b49\u7684\u4e00\u4e9b\u5176\u5b83\u7c7b\u5b9a\u4e49\u3002
\n\u5728UG\/Open++\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4efb\u610f\u8c03\u7528\u4e00\u4e2a\u7c7b\u7684\u516c\u7528\u65b9\u6cd5\uff0c\u4f46\u4e0d\u80fd\u8c03\u7528\u5176\u79c1\u6709\u65b9\u6cd5\u3002\u4fdd\u62a4\u65b9\u6cd5\u53ea\u80fd\u5728\u5bfc\u51fa\u7c7b\u4e2d\u8c03\u7528\u3002<\/p>\n

\u25cf\u5e94\u7528\u7a0b\u5e8f\u7c7b<\/p>\n

\u5bf9\u8bdd\u671f\u7c7b\uff08Session\uff09
\nUgSession\u7c7b\u7684\u4e00\u4e2a\u4e3b\u8981\u4f5c\u7528\u662f\u8fdb\u884cUG\/Open\u7684\u521d\u59cb\u5316\u3002\u8fd9\u4e2a\u521d\u59cb\u5316\u662f\u5728\u5176\u5b83\u4efb\u4f55UG\/Open++ \u65b9\u6cd5\u88ab\u8c03\u7528\u4e4b\u524d\u5fc5\u987b\u8fdb\u884c\u7684\u3002\u5bf9\u8bdd\u671f\u7684\u521d\u59cb\u5316\u548c\u7ec8\u6b62\u7531\u4e24\u4e2a\u9759\u6001\u65b9\u6cd5\u5b8c\u6210\uff0c\u5b83\u4eec\u662fUgSession::initialize ( ) \u548c UgSession::terminate ( )\uff1a
\nUgSession::initalize();
\n\/\/ \u4f60\u7684 UG\/Open++ \u4ee3\u7801
\nUgSession::terminate();<\/p>\n

\u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2aUgSession\u5bf9\u8c61\uff1a
\nUgSession mySession ( true );
\n\/\/ \u4f60\u7684UG\/Open++ \u4ee3\u7801<\/p>\n

\u5173\u4e8eUgSession\uff0c\u6709\u4e24\u4e2a\u5730\u65b9\u9700\u8981\u6ce8\u610f\uff1a
\n1.\u3000 UgSession\u6790\u6784\u65b9\u6cd5\u5c06\u4f1a\u81ea\u52a8\u7ed3\u675fUG\/Open\u3002\u8fd9\u5728\u8d85\u51faUgSession\u5bf9\u8c61\u7684\u4f5c\u7528\u8303\u56f4\u4e4b\u5916\u65f6\uff0c\u5c06\u4f1a\u81ea\u52a8\u53d1\u751f\u3002
\n2\uff0c \u5f53\u4f60\u7528\u4ee5\u4e0b\u8bed\u6cd5\u8fdb\u884c\u521b\u5efaUgSession\u5bf9\u8c61\u65f6\uff0cUG\/Open\u7684\u521d\u59cb\u5316\u5c06\u88ab\u963b\u6b62\uff0c\u5e76\u4e14\u6790\u6784\u65b9\u6cd5\u4e5f\u4e0d\u80fd\u7ec8\u6b62\u8fd9\u4e2a\u5bf9\u8bdd\u671f\uff1a
\nUgSession mySession;
\n\u4ece\u529f\u80fd\u4e0a\u8bb2\uff0c\u4e0a\u9762\u63d0\u5230\u7684\u4e24\u79cd\u5bf9\u8bdd\u671f\u521d\u59cb\u5316\u65b9\u6cd5\u4e0e\u4f20\u7edf\u7684UF_initialize\uff08\uff09\u65b9\u6cd5\u662f\u5b8c\u5168\u4e00\u6837\u7684\uff0c\u5728\u7a0b\u5e8f\u7684\u5f00\u59cb\uff0c\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u4e00\u79cd\u65b9\u6cd5\uff0c\u4f46\u4e0d\u80fd\u540c\u65f6\u4f7f\u7528\u4e24\u79cd\u4e0d\u540c\u65b9\u6cd5\u3002\u8fd9\u6837\u5728\u4e0b\u9762\u7684\u7a0b\u5e8f\u4e2d\uff0cUG\/Open++\u548c\u4f20\u7edf\u7684UG\/Open\u65b9\u6cd5\u5c31\u53ef\u4ee5\u88ab\u8c03\u7528\u3002
\nUgSession\u4e5f\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5f53\u524dUG\u5bf9\u8bdd\u671f\u7684\u72b6\u6001\u548c\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u4e00\u4e9bUgSession\u7684\u65b9\u6cd5\u53ef\u4ee5\u6539\u53d8\u5f53\u524d\u5de5\u4f5c\u96f6\u4ef6\uff0c\u4fee\u6539\u5c42\u72b6\u6001\uff0c\u4ee5\u53ca\u5173\u95ed\u6240\u6709\u7684\u96f6\u4ef6\u7b49\u3002<\/p>\n

\u25cf\u5bf9\u8c61\u7c7b\uff1a<\/p>\n

\u5bf9\u8c61\u7c7b\u4e3b\u8981\u5b9a\u4e49\u53ef\u4ee5\u4f5c\u7528\u4e8eUG\u96f6\u4ef6\u6587\u4ef6\u4e2d\u5305\u542b\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cUgArc\uff0cUgFace\uff0c\u548cUgExpression\u7b49\u3002\u8868\u793aUG\u96f6\u4ef6\u7684UgPart\u7c7b\uff0c\u4e5f\u5c5e\u6b64\u7c7b\u3002\u5927\u591a\u6570\u7684UG\/Open++\u5e94\u7528\u7a0b\u5e8f\u90fd\u6d89\u53ca\u5bf9UG\u5bf9\u8c61\u7684\u64cd\u4f5c\u3002
\n\u5bf9\u8c61\u7c7b\u5206\u4e3a\u4e24\u79cd\uff1a\u57fa\u7c7b\u548c\u53f6\u7c7b\u3002\u57fa\u7c7b\u5b9a\u4e49\u4f5c\u7528\u4e8e\u4e00\u7ec4\u76f8\u5173\u5bf9\u8c61\u7684\u901a\u7528\u64cd\u4f5c\uff0c\u800c\u4e14\u5b83\u4eec\u6ca1\u6709CREATE\uff08\uff09\u65b9\u6cd5\u3002\u53f6\u7c7b\u5b9a\u4e49\u7684\u662f\u4f5c\u7528\u4e8e\u67d0\u4e00\u7279\u5b9a\u7c7b\u578b\u7269\u4f53\u7684\u64cd\u4f5c\uff0c\u800c\u4e14\u5927\u591a\u6570\u90fd\u5b9a\u4e49\u4e86CREATE\uff08\uff09\u65b9\u6cd5\u3002\u57fa\u7c7b\u8868\u793a\u4e00\u7ec4\u7c7b\u4f3c\u7684UG\u5bf9\u8c61\uff0c\u800c\u53f6\u7c7b\u8868\u793a\u4e00\u79cd\u5177\u4f53\u7684UG\u5bf9\u8c61\u3002
\n\u7c7b\u7684\u4f53\u7cfb\u5173\u7cfb\u63d0\u4f9b\u4e86\u5145\u5206\u7684UG\u529f\u80fd\u6027\u7684\u5c42\u6b21\u5212\u5206\uff0c\u7528\u57fa\u7c7b\u5b9a\u4e49\u8fd9\u7c7b\u5bf9\u8c61\u7684\u516c\u7528\u7684\u64cd\u4f5c\u3002\u53e6\u5916\uff0c\u5728\u67d0\u4e9b\u65f6\u5019\u5b83\u5229\u7528\u591a\u91cd\u7ee7\u627f\u6765\u5b9a\u4e49\u6ca1\u6709\u5173\u7cfb\u7684\u5bf9\u8c61\u7684\u901a\u7528\u63a5\u53e3\u3002
\n\u6240\u6709UG\u5bf9\u8c61\u6700\u9876\u5c42\u7684\u57fa\u7c7b\u53eb\u505aUgObject\u3002\u5b83\u5b9a\u4e49\u4e86\u4e00\u4e9b\u6240\u6709UG\u5bf9\u8c61\u90fd\u53ef\u4ee5\u4f7f\u7528\u7684\u901a\u7528\u65b9\u6cd5\u3002 \u4f8b\u5982UgObject::askOwningPart ( )\u8fd4\u56de\u4e00\u4e2aUG\u5bf9\u8c61\u6240\u5728\u7684\u96f6\u4ef6\u3002
\n\u5176 \u5b83\u57fa\u7c7b\u90fd\u6765\u81eaUgObject\u7c7b\u7684\u6d3e\u751f\uff0c\u5305\u62ecUgTypedObject\u548cUgDisplayableObject\uff08\u6ce8\u610f\u7edd\u5927\u591a\u6570\u5728UG\/Open++\u4e2d \u7684\u57fa\u7c7b\u90fd\u662f\u4ee5\u5173\u952e\u5b57`Object’\u7ed3\u675f\u547d\u540d\u7684\uff09\u3002UgTypedObject\u63d0\u4f9b\u4e3aUG\u7269\u4f53\u547d\u540d\u6216\u5220\u9664\u7269\u4f53\u7684\u65b9\u6cd5\uff0c\u800c UgDisplayableObject\u63d0\u4f9b\u8bf8\u5982\u66f4\u6539\u989c\u8272\u3001\u56fe\u5c42\u7b49\u65b9\u6cd5\u3002<\/p>\n

\u521b\u5efa\u5bf9\u8c61<\/p>\n

UG\/Open++\u5c42\u6b21\u7ed3\u6784\u6811\u7684\u53f6\u5b50\uff0c\u662f\u771f\u6b63\u4ee3\u8868\u5177\u4f53UG\u5bf9\u8c61\u7684C++\u7c7b\uff0c\u4f8b\u5982UgArc\u8868\u793a\u5f27\u7ebf\uff0cUgExpression\u4ee3\u8868\u8868\u8fbe\u5f0f\u3002\u8fd9\u4e9b\u7c7b\u53eb \u505a\u53ef\u5b9e\u4f8b\u7c7b\uff0c\u56e0\u4e3a\u53ef\u4ee5\u521b\u5efa\u8fd9\u4e9b\u7c7b\u7684C++\u5bf9\u8c61\uff0c\u800c\u4e14\u6bcf\u4e2a\u521b\u5efa\u7684\u5bf9\u8c61\u90fd\u5bf9\u5e94\u4e00\u4e2aUG\u96f6\u4ef6\u6587\u4ef6\u5305\u542b\u7684UG\u5bf9\u8c61\u3002\u8981\u521b\u5efa\u4e00\u4e2aUG\u5bf9\u8c61\uff0c\u53ea\u9700\u8c03\u7528\u521b\u5efa\u5bf9\u8c61\u7684\u9759\u6001\u65b9 \u6cd5CREATE\uff08\uff09\uff0c\u5982\u4e0b\u6240\u793a\uff1a
\nUgPart *pWorkPart = UgSession::getWorkPart ( );
\nUgExpression *pExpr;
\npExpr = UgExpression::create ( "diameter", 4.25 , pWorkPart );
\ndouble diaValue = pExpr->evaluate ( );
\nUG\u5bf9\u8c61\u90fd\u662f\u7528\u6307\u9488\u7684\u65b9\u5f0f\u88ab\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u7528\u5bf9\u8c61\u540d\u79f0\uff0c\u5982\u4e0a\u4f8b\u4e2d\u7684pExpr\u3002\u4e8b\u5b9e\u4e0a\uff0cC++\u7684\u6784\u9020\u51fd\u6570\u662f\u4e00\u4e2a\u4fdd\u62a4\u65b9\u6cd5\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u4e0d\u9002\u5f53\u7684\u5730\u65b9\u9519\u8bef\u8c03\u7528\u8be5\u6784\u9020\u51fd\u6570\u3002\u7528\u6307\u9488\u5f15\u7528\u51cf\u5c11\u4e86\u5185\u5b58\u7684\u4f7f\u7528\uff0c\u5e76\u4e14\u4fdd\u8bc1\u5199\u51fa\u7684C++\u4ee3\u7801\u4e0eUG\u6a21\u578b\u5728\u4efb\u4f55\u65f6\u5019\u90fd\u4fdd\u6301\u540c\u6b65\u3002
\nUgAssemblyNode\u7c7b\u662f\u4e00\u4e2a\u6ca1\u6709CREATE\uff08\uff09\u65b9\u6cd5\u7684\u53f6\u7c7b\u3002\u6b64\u7c7b\u7684\u5bf9\u8c61\u521b\u5efa\u662f\u7528UgPart::addPart ( ):
\nUgPart *pWorkPart = UgSession::getWorkPart ( );
\nUgAssemblyNode *pNode;
\npNode = pWorkPart->addPart ( "component.prt", "", "",CoordSys ( ), -1 );
\n\u4e00\u4e9b\u7c7b\u8986\u76d6\u4e86\u9759\u6001\u7684CREATE\uff08\uff09\u65b9\u6cd5\uff0c\u800c\u7528\u5176\u5b83\u65b9\u6cd5\u521b\u5efaUG\u7269\u4f53\u3002<\/p>\n

\u4e0b\u9762\u4ecb\u7ecd\u4e09\u79cd\u521b\u5efa\u8868\u8fbe\u5f0f\u7684\u65b9\u6cd5\uff1a<\/p>\n

UgPart *pWorkPart = UgSession::getWorkPart ( );
\nUgExpression *pExpr1, *pExpr2, *pExpr3;
\nUgString strName ( "diameter1" );
\npExpr1 = UgExpression::create ( "radius", 4.25, pWorkPart );
\npExpr2 = UgExpression::create ( "diameter=2*radius", pExpr1 );
\npExpr3 = UgExpression::create ( strName, "2*radius" );<\/p>\n

\u6240\u6709\u7684create\u51fd\u6570\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u90fd\u662f\u4e00\u4e2a\u9009\u9879\u53c2\u6570\uff0c\u6765\u6307\u5b9a\u96f6\u4ef6\u4e0a\u4e0b\u6587\uff0c\u4e5f\u5c31\u662f\u8bf4\u65b0\u521b\u5efa\u5bf9\u8c61\u7684\u5bbf\u4e3b\u96f6\u4ef6\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u8be5\u53c2\u6570\uff0c\u5219\u5c5e\u4e8e\u5f53\u524d\u5de5\u4f5c\u96f6\u4ef6\u3002\u8fd9\u4e2a\u53c2\u6570\u65e2\u53ef\u4ee5\u662f\u4e00\u4e2a\u6307\u5411\u96f6\u4ef6\u5bf9\u8c61\u7684\u6307\u9488\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u6307\u5411\u5c5e\u4e8e\u8be5\u96f6\u4ef6\u5bf9\u8c61\u7684\u5176\u5b83\u5bf9\u8c61\u7684\u6307\u9488\u3002\u4f8b\u5982\uff1a
\nUgPart *pOtherPart;
\n\/\/ \u521d\u59cb\u5316 pOtherPart \u6765\u6307\u5411\u4e00\u4e2a\u53ef\u7528\u7684UG\u96f6\u4ef6\u5bf9\u8c61
\nUgExpression *pExprNew;
\npExprNew = UgExpression::create("length=3.0", pOtherPart);<\/p>\n

\u6743\u9650\u63a7\u5236<\/p>\n

\u5f53\u4e00\u4e2a\u6307\u5411UG\u7269\u4f53\u7684\u6307\u9488\u88ab\u5b9a\u4e49\u540e\uff0c\u5c31\u53ef\u4ee5\u7528\u5b83\u6765\u8c03\u7528\u8be5\u7c7b\u53ca\u5176\u7236\u7c7b\u5b9a\u4e49\u7684\u6240\u4ee5\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679cpArc\u662f\u4e00\u4e2a\u6307\u5411UgArc\u7684\u6307\u9488\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u8c03\u7528pArc\u7684\u65b9\u6cd5\u5bf9\u8be5UG\u5f27\u7ebf\u5bf9\u8c61\u8fdb\u884c\u67e5\u8be2\u6216\u4fee\u6539\uff0c\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a
\npArc->setRadius ( 2.5 );
\ndouble len = pArc->computeArcLength ( );
\nint layer = pArc->getLayer ( );
\n\u4e0a\u4f8b\u4e2d\u8c03\u7528\u7684\u4e09\u4e2a\u65b9\u6cd5\u90fd\u53ef\u4ee5\u88abUgArc\u5bf9\u8c61\u8c03\u7528\u3002\u4f46\u53ea\u6709setRadius\uff08\uff09\u65b9\u6cd5\u5728UgArc\u7c7b\u4e2d\u88ab\u5b9a\u4e49\uff0c\u5176\u5b83\u4e24\u4e2a\u65b9\u6cd5\u90fd\u662f\u5728\u5176\u7236\u7c7b\u4e2d\u5b9a\u4e49\u7684\u3002<\/p>\n

\u6807\u5fd7\u4e0e\u6307\u9488\u8f6c\u6362<\/p>\n

UG\/Open++\u5141\u8bb8\u5f00\u53d1\u4ee3\u7801\u4e2d\u5305\u542b\u4f20\u7edf\u7684UG\/Open\u4ee3\u7801\uff0c\u5e76\u4e14\u8fdb\u884c\u76f8\u5173\u7684\u6570\u636e\u4f20\u9012\u3002\u8fd9\u5c31\u9700\u8981\u8fdb\u884c\u5728UG\/Open++\u7684\u6307\u9488\u548cUG \/Open\u7684\u6807\u5fd7\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u3002UgObject::find ( ) \u548c UgObject::getTag()\u4e24\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5b8c\u6210\u6b64\u7c7b\u8f6c\u6362\u3002UgObject::find ( )\u8fd4\u56de\u4e00\u4e2a\u6307\u5411UgObject\u5bf9\u8c61\u7684\u6307\u9488\uff0c\u56e0\u6b64\u8fd8\u9700\u8981\u8fdb\u884c\u7c7b\u578b\u7684\u5f3a\u5236\u8f6c\u6362\uff08\u8bf7\u53c2\u8003\u52a8\u6001\u7c7b\u578b\u8f6c\u6362\u4e00\u8282\uff09\u3002\u4f8b\u5982\uff1a
\nint color;
\ntag_t tag1, tag2;<\/p>\n

\/\/ Call the traditional UG\/Open function to select a line.
\n\/\/ Note: this returns the tag of the selected line as `tag1′
\nUF_UI_select_single ( …, &tag1, … );<\/p>\n

\/\/ Use the `find’ method to get the pointer of the Unigraphics
\n\/\/ object corresponding to `tag1′
\nUgObject *pObj = UgObject::find ( tag1 );
\nif ( pObj )
\n{
\nUgLine *pLine = dynamic_cast <UgLine *> pObj;
\nif ( pLine )
\n{<\/p>\n

\/\/ Invoke a UG\/Open++ method using that pointer
\npLine->setColor ( Red );<\/p>\n

\/\/ Now convert the pointer back to a tag (`tag2′).
\n\/\/ Note that `tag1′ and `tag2′ should be identical.
\ntag2 = pLine->getTag ( );<\/p>\n

\/\/ Call a traditional UG\/Open function to get the color
\n\/\/ using `tag2′ – it should be Red.
\nUF_OBJ_ask_color ( tag2 , &color );
\n}
\n}<\/p>\n

\u4ece\u4ee5\u4e0a\u7684\u4f8b\u5b50\u53ef\u4ee5\u770b\u51fa\uff0c\u5982\u679c\u4e00\u4e2aUG\u5bf9\u8c61\u6ca1\u6709\u521b\u5efa\u65b9\u6cd5\u7684\u8bdd\uff0cUgObject::find ( )\u65b9\u6cd5\u6709\u53ef\u80fd\u8fd4\u56de0\u3002\u6240\u4ee5\uff0c\u4e00\u822c\u6765\u8bb2\uff0c\u5bf9UgObject::find ( )\u8fd4\u56de\u7684\u6307\u9488\u8fdb\u884c\u68c0\u67e5\u5e76\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u5f88\u6709\u5fc5\u8981\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u65e0\u8bef\u3002<\/p>\n

\u96f6\u4ef6<\/p>\n

UgPart\u7c7b\u5b9a\u4e49\u4e86UG\u96f6\u4ef6\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u521b\u5efa\u65b0\u96f6\u4ef6\uff0c\u6253\u5f00\u5df2\u5b58\u5728\u96f6\u4ef6\uff0c\u96f6\u4ef6\u5b58\u76d8\uff0c\u5173\u95ed\u6253\u5f00\u7684\u96f6\u4ef6\u7b49\u3002\u8981\u6ce8\u610f\u7684\u662f\u5173\u95ed\u4e00\u4e2a\u96f6\u4ef6\u7684\u65b9\u6cd5\u5c5e\u4e8e UgPart\u7c7b\uff0c\u800c\u5173\u95ed\u6240\u6709\u96f6\u4ef6\u7684\u65b9\u6cd5\u5c5e\u4e8eUgSession\u7c7b\u3002UgPart\u7c7b\u8fd8\u5305\u542b\u8bfb\u53d6\u548c\u4fee\u6539\u96f6\u4ef6\u5c5e\u6027\u4ee5\u53ca\u5176\u5b83\u5b58\u50a8\u5728\u96f6\u4ef6\u6587\u4ef6\u4e2d\u6570\u636e\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c
\nUgPart *pPart = UgPart:open( "valve.prt" );
\n\/\/ Find out what the part units are
\nbool isItMetric = pPart->isMillimeters ( );
\nUgPart::iterateFirst ( ) \u548c UgPart::iterateNext ( )\u4e24\u4e2a\u65b9\u6cd5\u63d0\u4f9b\u4e86\u904d\u5386\u5b58\u50a8\u5728\u8be5\u96f6\u4ef6\u4e2d\u6240\u6709UG\u5bf9\u8c61\u7684\u673a\u5236\u3002\u9996\u5148UgPart::iterateFirst ( )\u88ab\u8c03\u7528\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u96f6\u4ef6\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u901a\u8fc7\u4e0d\u65ad\u8c03\u7528\u4ee5\u4e0a\u4e00\u4e2a\u5df2\u8bbf\u95ee\u5bf9\u8c61\u4e3a\u53c2\u6570\u7684UgPart::iterateNext ( )\u65b9\u6cd5\uff0c\u904d\u5386\u8fc7\u7a0b\u7ee7\u7eed\u76f4\u5230\u6240\u6709\u7684\u5bf9\u8c61\u90fd\u88ab\u8bbf\u95ee\uff0c\u6b64\u65f6UgPart::iterateNext ( )\u8fd4\u56de0\u3002\u4f8b\u5982\uff1a
\nUgPart *pWorkPart = UgSession::getWorkPart();
\nUgTypedObject *pCurObj;
\nfor ( pCurObj = pWorkPart->iterateFirst ( );
\npCurObj;
\npCurObj = pWorkPart->iterateNext ( pCurObj ) )
\n{
\nUgString name = pCurObj->getName ( );
\n}
\n\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u8fd9\u4e2a\u904d\u5386\u65b9\u6cd5\u53ef\u4ee5\u8bbf\u95ee\u5404\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u6240\u4ee5\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6307\u5411\u57fa\u7c7bUgTypedObject\u7684\u6307\u9488\u3002\u90a3\u4e48\uff0c\u53ea\u6709\u5b9a\u4e49\u5728\u7c7bUgTypedObject\u7684\u65b9\u6cd5\u624d\u80fd\u88ab\u8c03\u7528\uff0c\u4f8b\u5982\u8bfb\u53d6\u5bf9\u8c61\u540d\u79f0\u548c\u5c5e\u6027\u3002\u5982\u679c\u60f3\u8c03\u7528\u7279\u5b9a\u7c7b\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u5c31\u5fc5\u987b\u8fdb\u884c\u7c7b\u578b\u7684\u5f3a\u5236\u8f6c\u6362\u3002
\n\u53e6\u4e00\u79cd\u904d\u5386\u65b9\u6cd5\u662f\u5229\u7528\u6a21\u677f\u7c7bUgIterator\u6240\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u8fd9\u5c06\u5728\u540e\u9762\u7684\u6a21\u677f\u7c7b\u4e00\u8282\u4e2d\u8bb2\u5230\u3002<\/p>\n

\u539f\u578b\u4e0e\u5b9e\u4f8b<\/p>\n

UG\u4e2d\u539f\u578b\u548c\u5b9e\u4f8b\u7684\u6982\u5ff5\u4e3b\u8981\u7528\u4e8e\u5728\u88c5\u914d\u8bbf\u95ee\u548c\u64cd\u7eb5UG\u7269\u4f53\u3002\u539f\u578b\u6307\u5728\u4e00\u4e2a\u96f6\u90e8\u4ef6\u4e2d\u7684\u5177\u4f53\u51e0\u4f55\u7269\u4f53\uff0c\u800c\u5b9e\u4f8b\u5219\u5b9a\u4e49\u8be5\u539f\u578b\u7269\u4f53\u5728\u88c5\u914d\u4e2d\u7684\u4f4d\u7f6e\u548c\u53d6\u5411\u3002\u5f53 \u4f60\u7528UG\/Open++\u904d\u5386\u4e00\u4e2aUG\u7269\u4f53\u65f6\uff0c\u6709\u53ef\u80fd\u4f1a\u540c\u65f6\u8bbf\u95ee\u5230\u4e00\u4e2a\u7269\u4f53\u7684\u539f\u578b\u548c\u5b9e\u4f8b\u3002\u5982\u679c\u8bbf\u95ee\u5230\u7684\u662f\u539f\u578b\u7269\u4f53\uff0c\u5219\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u8bfb\u53d6\u548c\u4fee\u6539\u7684\u64cd\u4f5c\u3002\u4f46\u662f\uff0c \u5982\u679c\u8bbf\u95ee\u5230\u7684\u662f\u4e00\u4e2a\u5b9e\u4f8b\u7269\u4f53\uff0c\u90a3\u4e48\u53ea\u80fd\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u76f4\u63a5\u7684\u4fee\u6539\u662f\u4e0d\u5141\u8bb8\u7684\u3002\u65e0\u8bba\u4f60\u8bbf\u95ee\u7684\u662f\u4e00\u4e2a\u539f\u578b\u7269\u4f53\u6216\u8005\u5b9e\u4f8b\u7269\u4f53\uff0c\u901a\u5e38\u90fd\u91c7\u7528\u4e0b\u9762\u7684\u65b9\u5f0f\u8fdb\u884c\u4fee\u6539\uff1a
\nUgLine *pLine;
\n\/\/ Initialize the pLine pointer
\nPoint3 newPt;
\n. . .
\n\/\/ Set the end point of the line to (0.0, 0.0, 0.0)
\n( pLine->askPrototype ( ) )->setEndPoint ( newPt );<\/p>\n

\u8bf7\u6ce8\u610f\uff1a\u5982\u679cpLine\u662f\u4e00\u4e2a\u5b9e\u4f8b\u7269\u4f53\uff0c\u90a3\u4e48UgLine::askPrototype ( )\u4f1a\u8fd4\u56de\u4e0e\u5176\u5bf9\u5e94\u7684\u539f\u578b\u7269\u4f53\u3002\u5982\u679c\u5b83\u5df2\u7ecf\u662f\u4e00\u4e2a\u539f\u578b\u7269\u4f53\uff0c\u90a3\u5c31\u8fd4\u56de\u5176\u672c\u8eab\u3002
\n\u4e0b\u9762\u7684\u4f8b\u5b50\u8bf4\u660e\u5982\u4f55\u786e\u5b9a\u4e00\u4e2a\u7269\u4f53\u662f\u539f\u578b\u7269\u4f53\uff0c\u8fd8\u662f\u5b9e\u4f8b\u7269\u4f53\uff1a<\/p>\n

UgLine pLine;
\n\/\/ Initialize the pLine pointer
\n. . .
\nif ( pLine->isOccurrence ( ) )
\n{
\n\/\/ it’s an occurrence
\n}
\nelse
\n{
\n\/\/ it’s a prototype
\n}<\/p>\n

\u66f2\u7ebf\u548c\u8fb9\u754c<\/p>\n

UG\u5c06\u4e00\u822c\u7ebf\u6846\u66f2\u7ebf\u548c\u5b9e\u4f53\u7684\u8fb9\u754c\u66f2\u7ebf\u5206\u522b\u5bf9\u5f85\u3002\u4f46\u662f\uff0c\u5728\u5f00\u53d1\u4e0a\uff0cUG\u7684\u7c7b\u5c42\u6b21\u7ed3\u6784\u4e5f\u5141\u8bb8\u5bf9\u5b83\u4eec\u7528\u76f8\u540c\u7684\u4ee3\u7801\u8fdb\u884c\u5904\u7406\u3002\u7531\u4e8e\u7ebf\u6846\u66f2\u7ebf\u548c\u5b9e\u4f53\u8fb9\u754c\u90fd\u4ee5 gEvaluatableObject\u4e3a\u57fa\u7c7b\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528\u76f8\u540c\u7684\u65b9\u5f0f\u8fdb\u884c\u5904\u7406\u3002\u5982\u4e0b\u4f8b\uff0c\u5728\u8ba1\u7b97\u5f27\u957f\u548c\u6c42\u5f27\u7ebf\u4e0e\u5176\u5b83\u7269\u4f53\u7684\u4ea4\u70b9\u65f6\uff0c\u65e0\u987b\u4e3a\u7c7b\u578b\u68c0\u9a8c\u800c\u7f16\u7801\u3002
\nUgEvaluatableObject *pObj1, *pObj2;
\n\/\/ Assume the user selected pObj1 and pObj2 so you don’t know
\n\/\/ their types (i.e. the user might have selected an edge
\n\/\/ and a wireframe curve)<\/p>\n

\/\/ Get the arc length of each object, regardless of type
\ndouble len1 = pObj1->computeArcLength ( );
\ndouble len2 = pObj2->computeArcLength ( );<\/p>\n

\/\/ Compute the intersection points for these two objects
\nUgArray<CurveCurveIntersectionPoint> iPts;
\niPts = pObj1->computeIntersectionPoints ( pObj2 );
\n\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7UgEvaluatableObject::askEvaluator ( )\u65b9\u6cd5\u8fd4\u56de\u7684Evaluator\u5bf9\u8c61\u8bbf\u95ee\u5b9e\u4f53\u8fb9\u754c\u548c\u7ebf\u6846\u66f2\u7ebf\u4e0a\u4efb\u610f\u70b9\u7684\u5750\u6807\u548c\u6cd5\u5411\u91cf\u3002
\n\u4e0a \u9762\u63d0\u5230\u7684\u65b9\u6cd5\u5728\u4f5c\u7528\u4e8eEvaluatableObject\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u65e0\u8bba\u662f\u76f4\u7ebf\uff0c\u5706\u5f27\uff0c\u76f4\u7ebf\u8fb9\u754c\uff0c\u8fd8\u662f\u66f2\u7ebf\u8fb9\u754c\u7b49\uff0c\u90fd\u65e0\u987b\u505a\u7c7b\u578b\u68c0\u67e5\u3002\u5728\u53e6\u5916\u4e00\u4e9b\u60c5\u51b5 \u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8bbf\u95ee\u66f4\u52a0\u5177\u4f53\u7684\u7269\u4f53\u4fe1\u606f\uff0c\u4f8b\u5982\u60f3\u5f97\u5230\u5706\u5f27\u7269\u4f53\u7684\u534a\u5f84\uff0c\u800c\u4e8b\u5148\u5e76\u4e0d\u6e05\u695a\u8be5\u7269\u4f53\u662f\u7ebf\u6846\u5706\u5f27\u66f2\u7ebf\uff0c\u8fd8\u662f\u5b9e\u4f53\u7684\u5706\u5f27\u8fb9\u754c\uff0c\u8fd9\u7c7b\u60c5\u51b5\u4e5f\u53ef\u4ee5\u7528\u5982\u4e0b\u7684\u65b9\u6cd5 \u5904\u7406\uff0c\u800c\u65e0\u987b\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\uff1a
\nUgEvaluatableObject *pCircularObj;
\n\/\/ Initialize pCircularObj to some circular object,
\n\/\/ but not know whether it is a wireframe arc or
\n\/\/ a circular solid edge.<\/p>\n

\/\/ Get the generic curve object for it. The dynamic cast
\n\/\/ should work since we know we have an arc or circular edge.
\nArc *pArc = dynamic_cast < Arc * > pCircularObj->askCurve ( );<\/p>\n

\/\/ Now we can do specific inquiries on it
\ndouble radius = pArc->getRadius ( );<\/p>\n

\u25cf\u6a21\u677f\u7c7b<\/p>\n

UG\/Open++\u7684\u6a21\u677f\u7c7b\u4e3b\u8981\u662f\u7528\u4e8e\u5b57\u7b26\u4e32\uff08UgString\uff09\u548c\u52a8\u6001\u6570\u7ec4\uff08UgArray\uff09\u7684\u5904\u7406\u3002\u5b57\u7b26\u4e32\u548c\u6570\u7ec4\u4f5c\u4e3aUG\/Open++\u65b9\u6cd5\u7684 \u8f93\u5165\u548c\u8f93\u51fa\u53c2\u6570\u975e\u5e38\u5e38\u7528\u3002\u5b83\u4eec\u548cC++\u6a21\u677f\u5e93\uff08STL\uff09\u4e2d\u7684string\u548cvector\u7c7b\u975e\u5e38\u76f8\u4f3c\u3002\u4e00\u4e2a\u6bd4\u8f83\u660e\u663e\u7684\u533a\u522b\u662fSTL\u7c7b\u63d0\u4f9b\u904d\u5386\u65b9\u6cd5\uff0c\u800c UG\/Open++\u7c7b\u4e0d\u63d0\u4f9b\u3002\u56e0\u4e3aUG\u5bf9STL\u5e76\u4e0d\u5b8c\u5168\u652f\u6301\uff0c\u6240\u4ee5\u5bf9\u5e94\u7684STL\u7c7b\u4e0d\u80fd\u5728UG\/Open++\u4e2d\u4f7f\u7528\u3002\u8fd9\u6709\u53ef\u80fd\u5728\u5c06\u6765\u7684\u7248\u672c\u4e2d\u5b9e\u73b0\u3002\u8bf7\u770b\u4e0b \u4f8b\uff1a
\nUgPart *pMyPart;
\n\/\/ Initialize the pMyPart pointer<\/p>\n

\/\/ Get the description string for this part
\nUgString description=pMyPart->getDescription ( );<\/p>\n

\/\/ Make sure it isn’t a null string
\nif (!description.empty ( ))
\n{
\n\/\/ do something with it
\n}
\n\u4e3a\u4e86\u4e0eC\u8bed\u8a00\u51fd\u6570\u517c\u5bb9\uff0cUG\/Open++\u4e5f\u5bb9\u8bb8\u4f7f\u7528UgObject\u5bf9\u8c61\u8fd4\u56de\u7b26\u5408C\u8bed\u8a00\u8bed\u6cd5\u7684\u5b57\u7b26\u4e32\u6307\u9488\u3002\u5982\u679c\u4e0a\u4f8b\u4e2d\u7684description\u662fUgString\u5bf9\u8c61\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5c31\u662f\u6b63\u786e\u7684\uff1a
\nprintf( "Description = %s\/n", description.c_str() );
\n\u503c\u5f97\u4e00\u63d0\u7684\u662f\u8fd9\u7c7b\u6307\u9488\u53ea\u80fd\u88ab\u7528\u4f5c\u6307\u9488\u5e38\u91cf\uff0c\u56e0\u6b64\u4e0d\u80fd\u901a\u8fc7\u8fd9\u6837\u7684\u6307\u9488\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n

\u904d\u5386\u6a21\u677f\u7c7b<\/p>\n

\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u90fd\u4f7f\u7528UgIteration\u7c7b\u6765\u8fdb\u884c\u4e00\u7ec4\u540c\u7c7b\u5bf9\u8c61\u7684\u904d\u5386\u3002\u4f8b\u5982\uff1a
\n\/\/ Construct an iterator for Unigraphics face objects
\nUgIterator < UgFace *> curFace;
\n\/\/ Loop through all faces
\nwhile ( !curFace->isFinished ( ) )
\n{
\n\/\/ Get the name of the current face
\nUgString faceName = (*curFace)->getName ( );
\ncurFace->findNext ( );
\n}<\/p>\n

\u904d\u5386\u6240\u6709\u8fd9\u4e9b\u540c\u7c7b\u5bf9\u8c61\u4e00\u822c\u9700\u8981\u4e09\u6b65\uff1a
\n1\uff0c \u521b\u5efa\u4e00\u4e2a\u904d\u5386\u6a21\u677f\u5bf9\u8c61\u3002UgIteration\u662f\u4e00\u4e2a\u6a21\u677f\u7c7b\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u53ef\u4ee5\u4f7f\u7528\u540c\u6837\u7684\u65b9\u5f0f\u904d\u5386\u4e0d\u540c\u7c7b\u578b\u7684UG\u7c7b\u3002\u5f53\u521b\u5efaUgIteration\u5bf9\u8c61\u65f6\uff0c \u9700\u8981\u6307\u5b9a\u5177\u4f53\u7684UG\u7c7b\u578b\uff0c\u4f8b\u5982\u4e0a\u4f8b\u4e2d\u7684\uff08UgFace *\uff09\u3002\u8be5\u7c7b\u5fc5\u987b\u662f\u53ef\u5b9e\u4f8b\u5316\u7684\uff0c\u56e0\u6b64\u5982\u679c\u8981\u5bf9\u4e00\u4e2aUgConicObject\u7684\u57fa\u7c7b\u521b\u5efaUgIteration\u5bf9\u8c61\uff0c\u5c31\u4f1a\u5728\u7f16\u8bd1\u65f6\u51fa\u9519\u3002 UgIteration\u7684\u6784\u9020\u65b9\u6cd5\u6709\u4e00\u4e2a\u53ef\u9009\u53c2\u6570\uff08\u4e0a\u4f8b\u4e2d\u6ca1\u6709\u4f7f\u7528\uff09\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u904d\u5386\u4e0d\u662f\u5f53\u524d\u5de5\u4f5c\u96f6\u4ef6\u7684\u5176\u5b83\u96f6\u4ef6\u4e2d\u5305\u542b\u7684\u5bf9\u8c61\u3002
\n2\uff0c \u5faa\u73af\u8bbf\u95ee\u6240\u6709\u60f3\u8981\u8bbf\u95ee\u7684\u5bf9\u8c61\uff0c\u6bcf\u6b21\u53ea\u80fd\u8bbf\u95ee\u4e00\u4e2a\u5bf9\u8c61\u3002While\u5faa\u73af\u5728UgIteration\u5bf9\u8c61\u7684\u65b9\u6cd5UgIterator < UgFace *>::isFinished ( )\u8fd4\u56de\u771f\u65f6\u7ed3\u675f\u3002
\n3\uff0c \u5728while\u5faa\u73af\u4e2d\uff0c\u5c06*\u64cd\u4f5c\u7b26\u4f5c\u7528\u4e8eUgIterator\u5bf9\u8c61\uff0c\u4ee5\u83b7\u5f97\u4e00\u4e2a\u5f53\u524d\u8bbf\u95ee\u5bf9\u8c61\u7684\u6307\u9488\u3002\u5728\u4e0a\u4f8b\u4e2d\uff0c\uff08*curFace\uff09\u5c31\u8fd4\u56de\u4e00\u4e2a\u6307\u5411UgFace\u5bf9\u8c61\u7684\u6307\u9488\u3002
\n\u4e5f\u53ef\u4ee5\u4f7f\u7528UgIterator \u7c7b\u4ee5\u5982\u4e0b\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u6240\u6709\u5728\u5f53\u524d\u5bf9\u8bdd\u671f\u5185\u8f7d\u5165\u7684UG\u96f6\u4ef6\u3002
\n\/\/ Construct an iterator for Unigraphics part objects
\nUgIterator < UgPart *> curPart;
\n\/\/ Loop through all loaded parts
\nwhile (!curPart->isFinished ( ))
\n{
\n\/\/ Close this part if it is not metric
\nif ( !(*curPart)->isMillimeters ( ) )
\n{
\n(*curPart)->close ( true );
\n}
\ncurPart->findNext ( );
\n}<\/p>\n

\u25cf\u8f85\u52a9\u7c7b<\/p>\n

UG\/Open++\u5305\u542b\u8bb8\u591a\u8f85\u52a9\u7c7b\u3002\u5b83\u4eec\u4e3b\u8981\u7528\u4e8e\u4e3a\u5b9a\u4e49\u5728\u5176\u5b83\u7c7b\u4e2d\u7684\u65b9\u6cd5\u6765\u56de\u4f20\u9012\u6570\u636e\u3002\u4f8b\u5982\uff0cThruPoint\u4e00\u822c\u7528\u4e8e\u6307\u5b9aUgSpline\u66f2\u7ebf\u4e0a\u4efb\u610f\u70b9\u7684\u4f4d\u7f6e\uff0c\u659c\u7387\u548c\u66f2\u7387\u3002\u5982\u4e0b\u6240\u793a\uff1a
\nUgSpline *pSpline;
\n\/\/ Initialize pSpline pointer<\/p>\n

UgArray < ThruPoint > thruPts; \/\/ Array of ThruPoint objects
\nUgArray < double > params; \/\/ Array of doubles
\nbool periodic;
\nint order;<\/p>\n

\/\/ Get defining data for a spline
\npSpline->getThruPoints ( &periodic, &order, &thruPts, &param );
\n\u6ce8\u610f\uff1a\u4e0e\u5176\u5b83UG\u7c7b\u4e0d\u540c\uff0c\u8f85\u52a9\u7c7b\u7684\u540d\u79f0\u4e0d\u4ee5\u5b57\u6bcdUG\u5f00\u5934\u3002<\/p>\n

\u25cf\u6570\u5b66\u7c7b<\/p>\n

vmathpp\u5e93\u5305\u542b\u5e38\u7528\u7684\u6570\u5b66\u64cd\u4f5c\u7c7b\u3002\u4e3b\u8981\u662f\u5bf9\u70b9\uff0c\u5411\u91cf\u548c\u77e9\u9635\u7684\u5904\u7406\u3002\u8fd9\u4e9b\u7c7b\u7684\u5bf9\u8c61\u5728\u8c03\u7528UG\u5bf9\u8c61\u7684\u65b9\u6cd5\u65f6\u975e\u5e38\u6709\u7528\u3002\u6570\u5b66\u7c7b\u7684\u8bb8\u591a\u6807\u51c6\u64cd\u4f5c\u90fd\u5df2\u88ab\u91cd\u8f7d\uff0c\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002\u4f8b\u5982\uff0c
\nPoint3 pt1 ( 0, 2, 4 );
\nVector3 offset ( 1, 2, 3 );
\nPoint3 pt2 = pt1 + offset;
\nUgLine *pLine = UgLine::create ( pt1, pt2 );
\n\u5173\u4e8evmathpp\u5e93\u7684\u53e6\u4e00\u4e2a\u8981\u70b9\u662f\u5b83\u5305\u542b\u7684\u7c7b\u4e0eUG\u5b8c\u5168\u72ec\u7acb\u3002\u5728\u4e0eUG\u65e0\u5173\u7684\u5176\u5b83\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4e5f\u53ef\u4ee5\u88ab\u8c03\u7528\u3002<\/p>\n

\n\u672c\u6587\u6765\u81eaCSDN\u535a\u5ba2\uff0c\u8f6c\u8f7d\u8bf7\u6807\u660e\u51fa\u5904\uff1ahttp:\/\/blog.csdn.net\/begtostudy\/archive\/2007\/10\/14\/1824596.aspx<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

UG\/ OPEN++\u7c7b\u5e93 \u6982\u8ff0 UG\/Open++\u6709\u4e94\u79cd\u4e0d\u540c\u7684\u7c7b\uff1a\u5e94\u7528\u7a0b\u5e8f\u7c7b\uff0c\u5bf9\u8c61\u7c7b\uff0c\u6a21\u677f\u7c7b\uff0c\u8f85\u52a9\u7c7b\uff0c\u548c\u6570\u5b66\u7c7b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.abin.cn\/index.php?rest_route=\/wp\/v2\/posts\/159"}],"collection":[{"href":"https:\/\/www.abin.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.abin.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.abin.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.abin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159"}],"version-history":[{"count":0,"href":"https:\/\/www.abin.cn\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.abin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.abin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.abin.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}