本文整理汇总了C++中Piecewise::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ Piecewise::clear方法的具体用法？C++ Piecewise::clear怎么用？C++ Piecewise::clear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类Piecewise的用法示例。
在下文中一共展示了Piecewise::clear方法的1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:
Geom::Piecewise<Geom::D2<Geom::SBasis> >
LPERecursiveSkeleton::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
{
using namespace Geom;
Piecewise<D2<SBasis> > output;
std::vector<Piecewise<D2<SBasis> > > pre_output;
double prop_scale = 1.0;
D2<Piecewise<SBasis> > patternd2 = make_cuts_independent(pwd2_in);
Piecewise<SBasis> x0 = false /*vertical_pattern.get_value()*/ ? Piecewise<SBasis>(patternd2[1]) : Piecewise<SBasis>(patternd2[0]);
Piecewise<SBasis> y0 = false /*vertical_pattern.get_value()*/ ? Piecewise<SBasis>(patternd2[0]) : Piecewise<SBasis>(patternd2[1]);
OptInterval pattBndsX = bounds_exact(x0);
OptInterval pattBndsY = bounds_exact(y0);
if ( !pattBndsX || !pattBndsY) {
return pwd2_in;
}
x0 -= pattBndsX->min();
y0 -= pattBndsY->middle();
double xspace = 0;//spacing;
double noffset = 0;//normal_offset;
double toffset = 0;//tang_offset;
if (false /*prop_units.get_value()*/){
xspace *= pattBndsX->extent();
noffset *= pattBndsY->extent();
toffset *= pattBndsX->extent();
}
y0+=noffset;
output = pwd2_in;
for (int i = 0; i < iterations; ++i) {
std::vector<Piecewise<D2<SBasis> > > skeleton = split_at_discontinuities(output);
output.clear();
for (unsigned idx = 0; idx < skeleton.size(); idx++){
Piecewise<D2<SBasis> > path_i = skeleton[idx];
Piecewise<SBasis> x = x0;
Piecewise<SBasis> y = y0;
Piecewise<D2<SBasis> > uskeleton = arc_length_parametrization(path_i,2,.1);
uskeleton = remove_short_cuts(uskeleton,.01);
Piecewise<D2<SBasis> > n = rot90(derivative(uskeleton));
n = force_continuity(remove_short_cuts(n,.1));
double scaling = 1;
scaling = (uskeleton.domain().extent() - toffset)/pattBndsX->extent();
// TODO investigate why pattWidth is not being used:
double pattWidth = pattBndsX->extent() * scaling;
if (scaling != 1.0) {
x*=scaling;
}
if ( true /*scale_y_rel.get_value()*/ ) {
y*=(scaling*prop_scale);
} else {
if (prop_scale != 1.0) y *= prop_scale;
}
x += toffset;
output.concat(compose(uskeleton,x)+y*compose(n,x));
}
}
return output;
}