UG NX二次开发源码分享：使用java来显示曲线或者边的方向

admin

UG NX二次开发源码分享：使用java来显示曲线或者边的方向
6 |! o; y8 e/ ]# |" t; t8 Y. ]3 H
' M6 ?# s) }' A如果你用C的ufun的话，应该很简单，java这么用，基本都一样！！！
: }+ Y4 |+ V6 Y+ l% Z0 E. l5 m
static void showCurveDirection(NXObject theCurveOrEdge)
        throws RemoteException, NXException
: |4 x2 \0 H" |! e* I% [& F0 E    {
! w% Y- Z! _; w0 O  D5 h        double[] limits = new double[2];
        UFVariant evaluator;
        EvaluateData start;
  R& d# j: Y: A1 D
$ Z& h% x, s8 {) _        evaluator = theUFSession.eval().initialize(theCurveOrEdge.tag());
        limits = theUFSession.eval().askLimits(evaluator);
$ u$ ?1 g( F; a8 P' q0 `1 _2 s1 ]        start = theUFSession.eval().evaluate(evaluator, 1, limits[0]);
( S- t  M2 O" i2 h( H6 W        theUFSession.eval().free(evaluator);

* _# q" B- A( U/ e$ u9 w        Point3d startPoint = new Point3d(start.point[0], start.point[1], start.point[2]);
        Vector3d dir = new Vector3d(start.derivatives[0], start.derivatives[1],
7 b; M* @! K6 ?/ `; R# W            start.derivatives[2]);
- Z& Q# z  K+ G$ ]        displayConehead(startPoint, dir, "Curve Direction");

    }
3 R& v. b' A4 n# U4 \
8 w3 p1 Y( ~: P. p4 \8 F