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C++ SplineSurface::clone方法代码示例

本文整理汇总了C++中SplineSurface::clone方法的典型用法代码示例。如果您正苦于以下问题:C++ SplineSurface::clone方法的具体用法?C++ SplineSurface::clone怎么用?C++ SplineSurface::clone使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SplineSurface的用法示例。


在下文中一共展示了SplineSurface::clone方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ASSERT

//===========================================================================
shared_ptr<SplineSurface> SurfaceCreators::mergeRationalParts(const SplineSurface& nom_sf,
							      const SplineSurface& den_sf,
							      bool weights_in_first)
//===========================================================================
{
    ASSERT((!nom_sf.rational()) && (!den_sf.rational()));
    ASSERT(den_sf.dimension() == 1);

    int dim = nom_sf.dimension();

    // We first make sure they share spline space.
    vector<shared_ptr<SplineSurface> > sfs;
    sfs.push_back(shared_ptr<SplineSurface>(nom_sf.clone()));
    sfs.push_back(shared_ptr<SplineSurface>(den_sf.clone()));
    double knot_diff_tol = 1e-06;
    GeometryTools::unifySurfaceSplineSpace(sfs, knot_diff_tol);

    vector<double> rcoefs;
    vector<double>::const_iterator iter = sfs[0]->coefs_begin();
    vector<double>::const_iterator riter = sfs[1]->coefs_begin();
    int num_coefs = sfs[0]->numCoefs_u()*sfs[0]->numCoefs_v();
    for (int ki = 0; ki < num_coefs; ++ki) {
	for (int kj = 0; kj < dim; ++kj) {
	    if (weights_in_first) {
		rcoefs.push_back(iter[ki*dim+kj]);
	    } else {
		rcoefs.push_back(iter[ki*dim+kj]*riter[ki]);
	    }
	}
	rcoefs.push_back(riter[ki]);
    }

    shared_ptr<SplineSurface> rat_sf(new SplineSurface
				     (sfs[0]->numCoefs_u(), sfs[0]->numCoefs_v(),
				      sfs[0]->order_u(), sfs[0]->order_v(),
				      sfs[0]->basis_u().begin(), sfs[0]->basis_v().begin(),
				      rcoefs.begin(), dim, true));

    return rat_sf;
}
开发者ID:99731,项目名称:GoTools,代码行数:41,代码来源:SurfaceCreators.C

示例2: fabs

shared_ptr<SplineSurface>
GeometryTools::surfaceSum(const SplineSurface& sf1, double fac1,
                          const SplineSurface& sf2, double fac2, double num_tol)

//********************************************************************
// Addition of two signed SplineSurfaces, i.e. this function can
// also be used for subtraction. The surfaces is assumed to live on
// the same parameter domain, but may have different knot vectors.
//********************************************************************
{
    // Check input
    ALWAYS_ERROR_IF(fabs(sf1.startparam_u() - sf2.startparam_u()) > num_tol ||
                    fabs(sf1.endparam_u() - sf2.endparam_u()) > num_tol ||
                    fabs(sf1.startparam_v() - sf2.startparam_v()) > num_tol ||
                    fabs(sf1.endparam_v() - sf2.endparam_v()) > num_tol,
                    "Inconsistent parameter domain.");

    // For the time being
    if (sf1.rational() || sf2.rational()) {
        THROW("Sum of rational surfaces is not implemented");
    }

    // Make copy of surfaces
    vector<shared_ptr<SplineSurface> > surfaces;
    surfaces.reserve(2);
    shared_ptr<SplineSurface> sf;
// #ifdef _MSC_VER
//     sf = shared_ptr<SplineSurface>(dynamic_cast<SplineSurface*>(sf1.clone()));
// #else
    sf = shared_ptr<SplineSurface>(sf1.clone());
// #endif
    surfaces.push_back(sf);
// #ifdef _MSC_VER
//     sf = shared_ptr<SplineSurface>(dynamic_cast<SplineSurface*>(sf2.clone()));
// #else
    sf = shared_ptr<SplineSurface>(sf2.clone());
// #endif
    surfaces.push_back(sf);

    // Make sure that the surfaces live on the same knot vector
    GeometryTools::unifySurfaceSplineSpace(surfaces, num_tol);

    // Add signed coefficients
    vector<double> coefs;
    int nmb_coefs_u = surfaces[0]->numCoefs_u();
    int nmb_coefs_v = surfaces[0]->numCoefs_v();
    int dim = surfaces[0]->dimension();
    coefs.resize(dim*nmb_coefs_u*nmb_coefs_v);
    int ki;
    std::vector<double>::iterator s1 = surfaces[0]->coefs_begin();
    std::vector<double>::iterator s2 = surfaces[1]->coefs_begin();
    for (ki=0; ki<dim*nmb_coefs_u*nmb_coefs_v; ki++)
        coefs[ki] = fac1*s1[ki] + fac2*s2[ki];

    // Create output curve
    shared_ptr<SplineSurface>
    surfacesum(new SplineSurface(nmb_coefs_u, nmb_coefs_v,
                                 surfaces[0]->order_u(),
                                 surfaces[0]->order_v(),
                                 surfaces[0]->basis_u().begin(),
                                 surfaces[0]->basis_v().begin(),
                                 &coefs[0], dim, false));

    return surfacesum;
}
开发者ID:VicoLiang,项目名称:GoTools,代码行数:65,代码来源:surfaceSum.C


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