1     NX11+VS2013
 2     
 3     #include <NXOpen/Line.hxx>
 4     #include <NXOpen/NXException.hxx>
 5     #include <NXOpen/PartCollection.hxx>
 6     #include <NXOpen/Session.hxx>
 7     #include <uf.h>
 8     #include <uf_curve.h>
 9     #include <uf_ui.h>
10     #include <NXOpen/Edge.hxx>
11     #include <NXOpen/NXObjectManager.hxx>
12     #include <uf_eval.h>
13 
14     NXOpen::Session *theSession = NXOpen::Session::GetSession();
15     NXOpen::Part *workPart(theSession->Parts()->Work());
16     NXOpen::Part *displayPart(theSession->Parts()->Display());
17 
18     UF_initialize();
19 
20     //创建一条直线
21     UF_CURVE_line_t Line_Coords;
22     Line_Coords.start_point[0] = 10.0;
23     Line_Coords.start_point[1] = 0.0;
24     Line_Coords.start_point[2] = 0.0;
25     Line_Coords.end_point[0] = 100.0;
26     Line_Coords.end_point[1] = 0.0;
27     Line_Coords.end_point[2] = 0.0;
28     tag_t LineTag = NULL_TAG;
29     UF_CURVE_create_line(&Line_Coords, &LineTag);
30 
31     //方法1:UFUN方法
32     //获得一条直线两个端点坐标、直线长度、向量方向
33 
34     //函数1(UF_CURVE_ask_line_data)
35     UF_CURVE_line_t AskLinePoint;
36     UF_CURVE_ask_line_data(LineTag, &AskLinePoint);
37     double UF1LinePoint1[3] = { AskLinePoint.start_point[0], AskLinePoint.start_point[1], AskLinePoint.start_point[2] };//获得直线起点坐标
38     double UF1LinePoint2[3] = { AskLinePoint.end_point[0], AskLinePoint.end_point[1], AskLinePoint.end_point[2] };//获得直线终点坐标
39 
40     //函数2(UF_EVAL_ask_line)
41     UF_EVAL_p_t evaluator;
42     UF_EVAL_initialize(LineTag, &evaluator);
43 
44     UF_EVAL_line_t line;
45     UF_EVAL_ask_line(evaluator, &line);
46     double UFLineLength = line.length;//获得直线长度
47     double UF2LinePoint1[3] = { line.start[0], line.start[1], line.start[2] };//获得直线起点坐标
48     double UF2LinePoint2[3] = { line.end[0], line.end[1], line.end[2] };//获得直线终点坐标
49     double UFLineVec[3] = { line.unit[0], line.unit[1], line.unit[2] };//获得直线向量方向
50 
51     char msg[256];
52     sprintf_s(msg, "直线的长度为:%.3f\n直线的起点坐标X为:%.3f  直线的起点坐标Y为:%.3f  直线的起点坐标Z为:%.3f\n直线的终点坐标X为%.3f  直线的终点坐标Y为:%.3f 直线的终点坐标Z为:%.3f\n直线的向量方向为:%.0f,%.0f,%.0f",
53         UFLineLength, UF2LinePoint1[0], UF2LinePoint1[1], UF2LinePoint1[2], UF2LinePoint2[0], UF2LinePoint2[1], UF2LinePoint2[2], UFLineVec[0], UFLineVec[1], UFLineVec[2]);
54 
55     lw->Open();
56     lw->WriteLine(msg);
57 
58     UF_EVAL_free(evaluator);
59 
60     //方法2:NXOpen方法
61     //获得一条直线两个端点坐标、直线长度
62     std::vector<Line*> LineVector;
63     LineVector.push_back(dynamic_cast<Line*>(NXObjectManager::Get(LineTag)));
64 
65     for (int i = 0; i < LineVector.size(); i++)
66     {
67         double NXLineLength = LineVector[i]->GetLength();//获得直线长度
68         Point3d NXLinePoint1 = LineVector[i]->StartPoint();//获得直线起点坐标
69         //char msg[200];
70         //sprintf_s(msg, "%.3f,%.3f,%.3f", NXLinePoint1.X, NXLinePoint1.Y, NXLinePoint1.Z);
71         //uc1601(msg, 1);
72         Point3d NXLinePoint2 = LineVector[i]->EndPoint();//获得直线终点坐标
73         //sprintf_s(msg, "%.3f,%.3f,%.3f", NXLinePoint2.X, NXLinePoint2.Y, NXLinePoint2.Z);
74         //uc1601(msg, 1);
75     }
76     
77     UF_terminate();