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  • ObjectARX学习笔记(廿九)---判断两条线段是否共线AcGeLineSeg3d ObjectARX学习笔记(廿八)---如何计算两条线段的交点AcGeLineSeg3d

    AcGeLineSeg3d acGeLineSegtmp1(AcGePoint3d(0,0,0),AcGePoint3d(100,0,0));
    AcGeLineSeg3d acGeLineSegtmp2(AcGePoint3d(10,0,0),AcGePoint3d(90,0,0));
    AcGeTol gGetol;
    gGetol.setEqualPoint(0.01);
    Adesk::Boolean bRec;
    bRec = acGeLineSegtmp1.isColinearTo(acGeLineSegtmp2); //此函数只是判断是否共线
    if (bRec)
    {
    acutPrintf(_T(" 共线1"));
    }
    else
    {
    acutPrintf(_T(" 不共线"));
    }
    acGeLineSegtmp1.set(AcGePoint3d(0,0,0),AcGePoint3d(100,0,0));
    acGeLineSegtmp2.set(AcGePoint3d(0,0,0),AcGePoint3d(100,0,0));

    bRec = acGeLineSegtmp1.isColinearTo(acGeLineSegtmp2);
    if (bRec)
    {
    acutPrintf(_T(" 共线2"));
    }
    else
    {
    acutPrintf(_T(" 不共线"));
    }

    acGeLineSegtmp1.set(AcGePoint3d(0,0,0),AcGePoint3d(100,0,0));
    acGeLineSegtmp2.set(AcGePoint3d(0,0,0),AcGePoint3d(101.9,0,0));

    bRec = acGeLineSegtmp1.isColinearTo(acGeLineSegtmp2);
    if (bRec)
    {
    acutPrintf(_T(" 共线3"));
    }
    else
    {
    acutPrintf(_T(" 不共线3"));
    }

    ObjectARX学习笔记(廿八)---如何计算两条线段的交点AcGeLineSeg3d

    <pre name="code" class="cpp">AcGeLineSeg3d acGeLineSegtmp1(AcGePoint3d(0,100,0),AcGePoint3d(50,100,0));
    AcGeLineSeg3d acGeLineSegtmp2(AcGePoint3d(-50,50,0),AcGePoint3d(-50,120,0));
    AcGeTol gGetol;gGetol.setEqualPoint(0.001);//设置精度
    AcGePoint3d intPnt;//交点
    bool bRec = acGeLineSegtmp1.intersectWith(acGeLineSegtmp2,intPnt,gGetol);//交点
     


     

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  • 原文地址:https://www.cnblogs.com/mjgw/p/12392806.html
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