多段线动态切割闭合区域

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1. #include "StdAfx.h"
2. #include "StdArx.h"
3. #include <dbpl.h>
4. #include "..\..\Common\Others\ConvertUtil.h"
5. #include "..\..\Common\Document\DwgDatabaseUtil.h"
6. #include <dbents.h>
7. #include <dbregion.h>
8. #include "..\..\Common\Entity\RegionUtil.h"
10. // This is command 'INTERSECT1'
11. void ZffMyProjectintersect1()
12. {
13. // TODO: Implement the command
14. ads采用name polyLinename;
15. ads采用name polyLinename2;
16. ads采用point pnt;
17. ads采用point pnt2;
19. AcDbPolyline *pPolyline=NULL;
20. AcDbPolyline *pPoly=NULL;
21. AcDbRegion *pRegion1=NULL;
22. AcDbRegion *pRegion2=NULL;
23. acedEntSel("\n请选择截取多段线!",polyLinename,pnt);
24. AcDbObjectId polyLineId;
25. acdbGetObjectId(polyLineId,polyLinename);
26. AcDbEntity *pEnt=NULL;
27. AcGePoint3dArray pts,pts2;
28. acdbOpenObject(pEnt,polyLineId,AcDb::kForWrite);
30. if (pEnt->isKindOf(AcDbPolyline::desc()))
31. {
32. pPolyline=AcDbPolyline::cast(pEnt);
33. pEnt->close();
34. }
35. AcDbVoidPtrArray curves;
36. int num=pPolyline->numVerts();
37. for (int i=0;i<num;i++)
38. {
39. AcGePoint2d pt;
40. pPolyline->getPointAt(i,pt);
41. pts.append(CConvertUtil::ToPoint3d(pt));
42. }
43. pPolyline->getSplitCurves(pts,curves);
44. pPolyline->close();
45. AcDbObjectIdArray curvesId;
46. AcDbCurve *pCurve=NULL;
47. for (i=0;i<curves.length();i++)
48. {
49. pCurve=static采用cast<AcDbCurve*>(curves[i]);
50. curvesId.append(CDwgDatabaseUtil::PostToModelSpace(pCurve));
51. }
52. pCurve->close();
54. acedEntSel("\n请选择被截取多段线!",polyLinename2,pnt2);
55. acdbGetObjectId(polyLineId,polyLinename2);
56. acdbOpenObject(pEnt,polyLineId,AcDb::kForWrite);
57. if (pEnt->isKindOf(AcDbPolyline::desc()))
58. {
59. pPoly=AcDbPolyline::cast(pEnt);
60. pEnt->close();
61. //pPoly->intersectWith(pPolyline,AcDb::kOnBothOperands,pts,0,0);
62. }
63. AcDbVoidPtrArray curves2;
64. num=pPoly->numVerts();
65. for (i=0;i<num;i++)
66. {
67. AcGePoint2d pt2;
68. pPoly->getPointAt(i,pt2);
69. pts2.append(CConvertUtil::ToPoint3d(pt2));
70. }
71. pPoly->getSplitCurves(pts2,curves2);
72. pPoly->close();
73. AcDbObjectIdArray curvesId2;
74. AcDbCurve *pCurve2=NULL;
75. for (i=0;i<curves2.length();i++)
76. {
77. pCurve2=static采用cast<AcDbCurve*>(curves2[i]);
78. curvesId2.append(CDwgDatabaseUtil::PostToModelSpace(pCurve2));
79. }
80. pCurve2->close();
81. AcDbObjectIdArray regId=CRegionUtil::Add(curvesId);
82. AcDbObjectIdArray regId2=CRegionUtil::Add(curvesId2);
83. for (i=0;i<curvesId.length();i++)
84. {
85. acdbOpenObject(pCurve,curvesId[i],AcDb::kForWrite);
86. pCurve->erase();
87. pCurve->close();
88. }
89. for (i=0;i<curvesId2.length();i++)
90. {
91. acdbOpenObject(pCurve2,curvesId2[i],AcDb::kForWrite);
92. pCurve2->erase();
93. pCurve2->close();
94. }
95. acdbOpenObject(pRegion1,regId[0],AcDb::kForWrite);
96. acdbOpenObject(pRegion2,regId2[0],AcDb::kForWrite);
97. pRegion1->booleanOper(AcDb::kBoolIntersect,pRegion2);
98. pRegion1->close();
99. pRegion2->close();
100. }

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