// 至少需要2个元素才能正确的闭合
static void EdgeJunctionClosureImpl( const AcGePoint3d& junctionPt, EdgeInfo& ges )
{
//acutPrintf(_T("\n队列中的元素个数:%d"), ges.size());
if( ges.size() == 1 )
{
ges.push_back( ges.front() );
}
// 把第1个添加到末尾，构成循环
ges.push_back( ges.front() );
// 记录每次处理闭合的当前向量
AcGeVector3d v3 = ges.front().angle;
v3.rotateBy( PI / 2, AcGeVector3d::kZAxis );
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return;
for( EdgeInfoIter itr = ges.begin(); itr != ges.end(); itr++ )
{
EdgeInfoIter itr2 = itr + 1;
if( itr2 == ges.end() ) break;
//acutPrintf(_T("\n巷道1角度:%.3f, 巷道2角度:%.3f"),
// itr->angle.angleTo(AcGeVector3d::kXAxis, -AcGeVector3d::kZAxis),
// itr2->angle.angleTo(AcGeVector3d::kXAxis, -AcGeVector3d::kZAxis));
AcGeVector3d cv = itr->angle.crossProduct( itr2->angle ); // 叉乘(如果夹角等=0或PI，则向量=0)
//if(cv.length() > 0.001)
if( !cv.isZeroLength() )
{
//acutPrintf(_T("\n叉乘长度=%.3f"), cv.length());
//v3 = CaclAverageVector3(itr->angle, itr2->angle);
v3 = CaclAverageVector2( itr->angle, 1, itr2->angle, 1 );
}
else
{
// 平行(夹角=0或PI)
//acutPrintf(_T("\n叉乘=0"));
v3.negate();
}
DealWithBoundary2( pTrans, *itr, junctionPt, v3 );
DealWithBoundary2( pTrans, *itr2, junctionPt, v3 );
}
actrTransactionManager->endTransaction();
}
static void BuildJunctionEdgeInfo( const AcDbObjectIdArray& objIds,
const AcGePoint3d& junctionPt,
EdgeInfo& ges )
{
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if( pTrans == 0 ) return;
int n = objIds.length();
for( int i = 0; i < n; i++ )
{
AcDbObjectId objId = objIds.at( i );
JunctionEdgeInfo info = {objId, true, AcGeVector3d::kIdentity};
LinkedGE* pEdge = OpenEdge2( pTrans, objId, AcDb::kForRead );
if( pEdge == 0 ) continue;
AcGePoint3d startPt, endPt;
pEdge->getSEPoint( startPt, endPt );
if( startPt == junctionPt )
{
info.startOrEnd = true;
info.angle = pEdge->getStartPointInExtendAngle();
}
else if( endPt == junctionPt )
{
info.startOrEnd = false;
info.angle = pEdge->getEndPointInExtendAngle();
}
if( info.angle.isZeroLength() ) continue; // 零向量表示不处理闭合
//acutPrintf(_T("\nid:%d\tangle:%.3f\tdraw:%s"),
// info.objId,
// info.angle.angleTo(AcGeVector3d::kXAxis, -AcGeVector3d::kZAxis),
// pEdge->getCurrentDraw());
ges.push_back( info );
}
actrTransactionManager->endTransaction();
}