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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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- {2 l' ~2 }0 L8 P9 ~// 构建用于实现移动实体的矩阵( j# Q1 T! c! w
AcGeVector3d vec(ptTo[X] – ptFrom[X], ptTo[Y] – ptFrom[X], ptTo[Z] – ptFrom[Z]);+ Z& K7 R @' Q5 S
AcGeMatrix3d mat;
1 e( j0 h# J) _! u; Ymat.setToTranslation(vec);1 f/ s; r& x0 H
AcDbEntity *pEnt = NULL;3 E U# u6 L2 o$ M0 Q5 R+ [: Z
Acad::ErrorStatus es = acdbOpenObject(pEnt, entId,AcDb::kForWrite);
$ k1 R0 m# \4 J6 A$ K. g# }. Bif (es != Acad::eOk)
! i; v% i N* `$ h4 _! Freturn es;
8 ~" E. C, @1 C/ g; @es = pEnt->transformBy(mat);; R+ j2 }7 K, X" _# T& ]1 ~8 w
pEnt->close();, ?7 D9 G0 b9 E B7 ~" U" W
return es;- f$ a: W$ W' ^7 K0 [' _( ?3 W
} 复制BOOL Copy(AcDbObjectId entId, const AcGePoint3d ptFrom,const AcGePoint3d ptTo)' W& z# M+ d$ p# Y& p1 Y
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AcDbEntity *pEnt = NULL;; u: v" [0 k- @: {7 _/ l9 `
if (acdbOpenObject(pEnt, entId , AcDb::kForRead) != Acad::eOk)0 E5 q. i I& I
return FALSE;2 }$ ?& L" a! D U, R5 f
AcDbEntity *pCopyEnt = AcDbEntity::cast(pEnt->clone());/ A% u" G5 `& f6 M
AcDbObjectId copyEntId;8 u/ G8 x9 k5 b5 I
if (pCopyEnt)- F; Z* W+ u( M" [
copyEntId = PostToModelSpace(pCopyEnt);8 r' K3 c7 a- b# C; L
Move(copyEntId, ptFrom, ptTo); return TRUE;4 a5 y: `- D# d9 `- [
} 镜像Acad::ErrorStatus Mirror(AcDbObjectId entId, const AcGePoint3d dp1,const AcGePoint3d dp2)! e6 W+ p) C6 p1 Z) c* p4 L! Y
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// 构建用于实现移动实体的矩阵' ^0 B1 U9 C- G. D2 ]
AcGeMatrix3d mat;AcGeLine3d line;
" C8 p9 u8 o+ tline.set(dp1,dp2);" `4 [6 h$ f5 f( }/ }, @+ H4 U
mat.setToMirroring(line);+ Y' d7 {3 l% C o, n: G
AcDbEntity *pEnt = NULL;
8 @, i* q e% f9 GAcad::ErrorStatus es = acdbOpenObject(pEnt, entId,AcDb::kForWrite);
4 L* o9 G' ]: d: D/ B" p" nif (es != Acad::eOk)
; Q' E! k8 s( S6 h' f0 \. Ereturn es;" L! {; q$ l- O0 a, C
AcDbEntity *pCopyEnt = AcDbEntity::cast(pEnt->clone());
: H; C7 }6 S' ?AcDbObjectId copyEntId;2 b4 X, t" C% F9 ]
if (pCopyEnt)- Z2 }4 f0 i+ C" t$ f9 i
copyEntId = PostToModelSpace(pCopyEnt);
( y0 u1 ]. j( l* pes = pEnt->transformBy(mat);; g. ? Z3 C. V# x3 v5 t A- n; E
pEnt->close();
( g/ M% \! t h; Y3 C: vreturn es;
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/ H; x# ~( z7 H# M) c7 t3 ]static AcDbObjectId PostToModelSpace(AcDbEntity* pEnt)
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AcDbBlockTable *pBlockTable;
1 e/ K# s W& TacdbHostApplicationServices()->workingDatabase() ->getBlockTable(pBlockTable, AcDb::kForRead);3 c( H5 v2 H& j! `' {3 W( n
AcDbBlockTableRecord *pBlockTableRecord;
, X6 ?0 Z& B8 n/ \pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord, AcDb::kForWrite);
+ l# k B( b( ^+ ]) R; LAcDbObjectId entId;
$ C! n$ f3 P: k% lpBlockTableRecord->appendAcDbEntity(entId, pEnt);2 Z; |2 Z/ g) X& M" S
pBlockTable->close();
+ Y$ d, d1 d0 x' {pBlockTableRecord->close();
% Q. d8 V3 }0 L3 PpEnt->close();3 G# c( w6 O" Z& Q
return entId; } 3 Z; o) x: S2 a' x j
参考：http://www.colinchou.com/archives/2454 {- e" Z6 [6 ?, Q. K, V
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发表于 2013-12-10 16:58:30