按顺序等距排列平行直线

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1. static void zffObjectARX_MyCommand17(void)
   
2. {
   
3. ads_name ss;
   
4. AcDbVoidPtrArray ents;
   
5. if (acedSSGet(NULL,NULL,NULL,NULL,ss)!=RTNORM)
   
6. {
   
7. acedAlert(_T("选择实体失败！"));
   
8. return;
   
9. }
   
10. AcGePoint3dArray pts;
    
11. long num;
    
12. acedSSLength(ss,&num);
    
13. if (num<3)
    
14. {
    
15. acedAlert(_T("无需均分！"));
    
16. return;
    
17. }
    
18. for (int i=0;i<num;i++)
    
19. {
    
20. AcDbObjectId entId;
    
21. AcDbEntity* pEnt=NULL;
    
22. ads_name name;
    
23. AcGePoint3d pt;
    
24. 
    
25. acedSSName(ss,i,name);
    
26. acdbGetObjectId(entId,name);
    
27. if (acdbOpenObject(pEnt,entId,AcDb::kForWrite)!=Acad::eOk)
    
28. {
    
29. acedAlert(_T("部分实体打开失败，无法均分！"));
    
30. pEnt->close();
    
31. return;
    
32. }
    
33. if (pEnt->isKindOf(AcDbLine::desc()))
    
34. {
    
35. AcDbLine* pLine=AcDbLine::cast(pEnt);
    
36. pLine->getClosestPointTo(AcGePoint3d::kOrigin,pt,Adesk::kTrue);
    
37. pts.append(pt);
    
38. ents.append(static_cast<void*>(pLine));
    
39. }
    
40. else
    
41. {
    
42. pEnt->close();
    
43. }
    
44. }
    
45. acedSSFree(ss);
    
46. AcGePoint3d pt1,pt2;
    
47. double dist=0,dist1;
    
48. long len=pts.length();
    
49. for (int i=0;i<len;i++)
    
50. {
    
51. for (int j=i+1;j<len;j++)
    
52. {
    
53. dist1=pts[i].distanceTo(pts[j]);
    
54. if (dist1>dist)
    
55. {
    
56. dist=dist1;
    
57. pt1=pts[i];
    
58. pt2=pts[j];
    
59. }
    
60. }
    
61. }
    
62. pts.remove(pt1);
    
63. pts.remove(pt2);
    
64. int m,n=0;
    
65. for (int j=0;j<pts.length();)
    
66. {
    
67. dist=pt1.distanceTo(pt2);
    
68. for (int i=0;i<pts.length();i++)
    
69. {
    
70. dist1=pts[i].distanceTo(pt1);
    
71. if (dist1<dist)
    
72. {
    
73. dist=dist1;
    
74. m=i;
    
75. }
    
76. }
    
77. AcGeVector3d vec=pt1-pts[m]-(pt1-pt2)*(n+1)/(len-1);
    
78. AcGeMatrix3d max;
    
79. max.setToTranslation(vec);
    
80. for (int i=0;i<ents.length();i++)
    
81. {
    
82. AcDbLine* pLine=static_cast<AcDbLine*>(ents[i]);
    
83. AcGePoint3d ptclose;
    
84. pLine->getClosestPointTo(pts[m],ptclose,Adesk::kTrue);
    
85. 
    
86. if (pts[m].distanceTo(ptclose)<0.001)
    
87. {
    
88. pLine->transformBy(max);
    
89. }
    
90. }
    
91. pts.remove(pts[m]);
    
92. n++;
    
93. }
    
94. for (int i=0;i<ents.length();i++)
    
95. {
    
96. AcDbLine* pLine1=static_cast<AcDbLine*>(ents[i]);
    
97. pLine1->close();
    
98. }
    
99. }

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