修改多段线的凸度

admin

1. static void zffObjectARX采用MyCommand5(void)
2. {
3. ads采用point pick;
4. ads采用name name;
5. if (acedEntSel(NULL,name,pick)!=RTNORM)
6. {
7. return;
8. }
9. AcGePoint3d ptClosest;
10. AcDbObjectId polyId;
11. double param;
12. AcDbPolyline* pPoly=NULL;
13. acdbGetObjectId(polyId,name);
14. acdbOpenObject(pPoly,polyId,AcDb::kForWrite);
15. pPoly->getClosestPointTo(asPnt3d(pick),ptClosest);
16. pPoly->getParamAtPoint(ptClosest,param);
17. int vernum=int(param);
18. int vernumEnd=int(param+1);
19. AcGePoint3d ptS,ptE;
20. pPoly->getPointAt(vernum,ptS);
21. pPoly->getPointAt(vernumEnd,ptE);
22. pPoly->close();
23. AcGePoint2d ptCur;
26. int track=1,type;
27. struct resbuf result;
28. while (track>0)
29. {
30. acedGrRead(track,&type,&result);
31. ptCur.x=result.resval.rpoint[X];
32. ptCur.y=result.resval.rpoint[Y];
33. AcGeCircArc2d arc(CPointUtil::ToPoint2d(ptS),ptCur,CPointUtil::ToPoint2d(ptE));
34. AcGePoint2d ptCenter=arc.center();
35. AcGeVector2d verS(ptS.x-ptCenter.x,ptS.y-ptCenter.y);
36. double angleS=verS.angle();
37. AcGeVector2d verE(ptE.x-ptCenter.x,ptE.y-ptCenter.y);
38. double angleE=verE.angle();
39. double bulge=(angleE-angleS)/pi();
41. acdbOpenObject(pPoly,polyId,AcDb::kForWrite);
42. pPoly->setBulgeAt(vernum,bulge);
43. pPoly->close();
44. if (type==3)
45. {
46. track=0;
47. }
48. }
50. }

复制代码