OBJECT ARX 实体类的炸开，求交，外包矩形函数使用

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1. //==============炸开============
2. static void TESTzhakaicmd()
3. {
4. // Add your code for command ahlzlARX.采用test here
5. ads采用name ent;
6. ads采用point pt;
7. if (acedEntSel(采用T("\n请选择对象："), ent, pt) != RTNORM)
8. {
9.   return;
10. }
11. AcDbObjectId entId;
12. acdbGetObjectId(entId, ent);
13. AcDbEntity *pEnt = NULL;
14. acdbOpenObject(pEnt, entId, AcDb::kForWrite);
15. AcDbVoidPtrArray pExps;
16. if (pEnt->explode(pExps) == Acad::eOk)
17. {
18.   for (int i = 0; i < pExps.length(); i++)
19.   {
20.    AcDbEntity *pExpEnt = (AcDbEntity*)pExps[i];
21.    acutPrintf(采用T("\n分解后的对象类型名是: %s"), (pExpEnt->isA()->name()));
22.    LoadEntity(pExpEnt);
23.   }
24.   pEnt->erase(true);
25. }
26. else
27. {
28.   acutPrintf(采用T("\n该对象不能被分解！"));
29. }
30. pEnt->close();
31. }
34. //选择两个对象，求交点；如果选了域，输出面积
35. static void TESTintersactcmd(){
36. ads采用name ent1;
37. ads采用point pt1;
38. if (acedEntSel(采用T("\n请选择对象1："), ent1, pt1) != RTNORM)
39. {
40.   return;
41. }
42. AcDbObjectId entId1;
43. acdbGetObjectId(entId1, ent1);
44. AcDbEntity *pEnt1 = NULL;
45. acdbOpenObject(pEnt1, entId1, AcDb::kForWrite);
48. ads采用name ent2;
49. ads采用point pt2;
50. if (acedEntSel(采用T("\n请选择对象2："), ent2, pt2) != RTNORM)
51. {
52.   return;
53. }
54. AcDbObjectId entId2;
55. acdbGetObjectId(entId2, ent2);
56. AcDbEntity *pEnt2 = NULL;
57. acdbOpenObject(pEnt2, entId2, AcDb::kForWrite);
58. AcGePoint3dArray ptArr;
59. pEnt1->intersectWith(pEnt2,AcDb::Intersect::kOnBothOperands,ptArr);
62. CString outStr;
63. outStr.Format(采用T("交集点的数量:%d"),ptArr.length());
64. acutPrintf(outStr);
67. if(pEnt1->isKindOf(AcDbRegion::desc())){
68. AcDbRegion* r = (AcDbRegion*)pEnt1;
69. double area;
70. r->getArea(area);
71. CString str;
72. str.Format(采用T("\n面积:%.2f"),area);
73. r->close();
74. }
79. pEnt1->close();
80. pEnt2->close();
81. }
86. 外包矩形，返回外接矩形的两个端点
87. static void TESTgeocmd(){
90. ads采用name ent;
91. ads采用point pt;
92. if (acedEntSel(采用T("\n请选择对象："), ent, pt) != RTNORM)
93. {
94.   return;
95. }
96. AcDbObjectId entId;
97. acdbGetObjectId(entId, ent);
98. AcDbEntity *pEnt = NULL;
99. acdbOpenObject(pEnt, entId, AcDb::kForWrite);
102. AcDbExtents extent;
103. Acad::ErrorStatus es = pEnt->getGeomExtents(extent);
104. if(es == Acad::ErrorStatus::eOk){
107. AcGePoint3d ptMin = extent.minPoint();
108. AcGePoint3d ptMax = extent.maxPoint();
111. CString str;
114. str.Format(采用T("\nx1:%.2f ,y1:%.2f, z1:%.2f \nx2: %.2f,y2: %.2f, z2: %.2f"),ptMin[X],ptMin[Y],ptMin[Z],ptMax[X],ptMax[Y],ptMax[Z]);
117. acutPrintf(str);
120. }
123. }
124. 2

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