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AcGeMatrix3d有几种方法： 移动Acad::ErrorStatus Move(AcDbObjectId entId, const AcGePoint3d ptFrom, const AcGePoint3d ptTo)
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// 构建用于实现移动实体的矩阵! O- a- ~* e. K' G* [
AcGeVector3d vec(ptTo[X] – ptFrom[X], ptTo[Y] – ptFrom[X], ptTo[Z] – ptFrom[Z]);- Q9 m1 l+ r3 M6 w+ V8 m( X
AcGeMatrix3d mat;
& N/ R& P( o- U ~mat.setToTranslation(vec);9 P1 W1 D7 h- ^
AcDbEntity *pEnt = NULL;# g* x8 ^; v! g6 q; M
Acad::ErrorStatus es = acdbOpenObject(pEnt, entId,AcDb::kForWrite);9 G5 p- f2 Q4 S3 d5 u" L3 a) s
if (es != Acad::eOk)6 p5 E# b- f3 J
return es;8 I! Q% K- i0 X
es = pEnt->transformBy(mat);7 H1 `# G" L" f9 `$ U# O0 K- q
pEnt->close();, Y0 K) w; k0 K" g% L. O/ `
return es;, }0 b$ U/ [7 {% e/ {7 z0 Q8 j
} 复制BOOL Copy(AcDbObjectId entId, const AcGePoint3d ptFrom,const AcGePoint3d ptTo)
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AcDbEntity *pEnt = NULL;
2 L( y' l+ Z0 e+ E# p/ x+ {' }if (acdbOpenObject(pEnt, entId , AcDb::kForRead) != Acad::eOk)
+ W+ t" l- }) k0 areturn FALSE;
8 i$ J: c, {# i5 T) h0 EAcDbEntity *pCopyEnt = AcDbEntity::cast(pEnt->clone());4 w5 ?3 y6 r& W0 [- S5 Q
AcDbObjectId copyEntId;
6 V8 V; v: m) @; Kif (pCopyEnt)+ T8 Q+ r7 z/ c
copyEntId = PostToModelSpace(pCopyEnt);
% S" e3 q- K( h+ a1 y5 Z! pMove(copyEntId, ptFrom, ptTo); return TRUE;7 _. a& w6 ~5 N* f4 L4 W4 }
} 镜像Acad::ErrorStatus Mirror(AcDbObjectId entId, const AcGePoint3d dp1,const AcGePoint3d dp2)
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( L3 ~3 Y5 m$ T// 构建用于实现移动实体的矩阵
" T7 E5 S/ \ R& g+ F u( rAcGeMatrix3d mat;AcGeLine3d line;& N8 b. ?5 k U1 G3 i+ Z- V
line.set(dp1,dp2);2 N H. y8 v+ k9 r8 S
mat.setToMirroring(line);
4 X0 x& j3 t0 ?9 L+ s8 o/ |AcDbEntity *pEnt = NULL;
5 w; U; x' K! L% iAcad::ErrorStatus es = acdbOpenObject(pEnt, entId,AcDb::kForWrite);
6 S4 w) Z7 R! x) u: g- Fif (es != Acad::eOk)
# N+ F! o& o! i# P n0 j2 F# L( Oreturn es;
4 u4 A% y2 M5 ^2 d NAcDbEntity *pCopyEnt = AcDbEntity::cast(pEnt->clone()); \8 K" i- _% t7 z
AcDbObjectId copyEntId;
* ^ M# W: `+ x. d% ]1 e8 }if (pCopyEnt) @! w& P. Y- N/ H* P" M5 K
copyEntId = PostToModelSpace(pCopyEnt);
+ Y' s& U5 d* ?. z1 \es = pEnt->transformBy(mat);
# _) o. H5 u3 G5 b! JpEnt->close();
5 L/ a4 l- z0 B) Q0 r" u. @, V/ Z5 qreturn es;8 [8 z7 w* e/ `' s
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static AcDbObjectId PostToModelSpace(AcDbEntity* pEnt)6 c0 f) P7 S' R4 ~# y
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AcDbBlockTable *pBlockTable;; U( g) g4 ~* j
acdbHostApplicationServices()->workingDatabase() ->getBlockTable(pBlockTable, AcDb::kForRead); e( a ?4 P7 b
AcDbBlockTableRecord *pBlockTableRecord;) J9 s9 w8 X' K6 s6 Y1 U3 y" Y1 h
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord, AcDb::kForWrite);
" Q( M3 u k1 X% `' p9 Y/ KAcDbObjectId entId;
% C8 d6 T( T* q# H$ w6 PpBlockTableRecord->appendAcDbEntity(entId, pEnt);6 Y7 U) M0 I8 }; z& J5 }
pBlockTable->close();, B9 h( }5 ]/ E. V7 R7 n
pBlockTableRecord->close();) e1 s- T. R. n
pEnt->close();! o! P3 k% Y/ D4 ]4 l q
return entId; }
/ B3 B! z" B, G: E0 X参考：http://www.colinchou.com/archives/245
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发表于 2013-12-10 16:58:30