本文整理汇总了C++中ON_Interval::Intersection方法的典型用法代码示例。如果您正苦于以下问题：C++ ON_Interval::Intersection方法的具体用法？C++ ON_Interval::Intersection怎么用？C++ ON_Interval::Intersection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ON_Interval的用法示例。
在下文中一共展示了ON_Interval::Intersection方法的3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: RealCurveInterval
ON_Interval ON_CurveProxy::RealCurveInterval( const ON_Interval* sub_domain ) const
{
if ( !sub_domain )
return m_real_curve_domain;
ON_Interval d = m_this_domain;
d.Intersection(*sub_domain);
double t0 = RealCurveParameter( d[m_bReversed?1:0] );
double t1 = RealCurveParameter( d[m_bReversed?0:1] );
return ON_Interval(t0,t1);
}示例2: SetProxyCurveDomain
bool ON_CurveProxy::SetProxyCurveDomain( ON_Interval proxy_curve_subdomain )
{
bool rc = proxy_curve_subdomain.IsIncreasing();
if ( rc )
{
if ( m_real_curve )
{
ON_Interval cdom = m_real_curve->Domain();
cdom.Intersection( proxy_curve_subdomain );
rc = cdom.IsIncreasing();
if (rc )
m_real_curve_domain = cdom;
}
else
{
m_real_curve_domain = proxy_curve_subdomain;
}
}
return rc;
}示例3: IsIsoparametric
ON_Surface::ISO
ON_Surface::IsIsoparametric( const ON_Curve& curve, const ON_Interval* subdomain ) const
{
ISO iso = not_iso;
if ( subdomain )
{
ON_Interval cdom = curve.Domain();
double t0 = cdom.NormalizedParameterAt(subdomain->Min());
double t1 = cdom.NormalizedParameterAt(subdomain->Max());
if ( t0 < t1-ON_SQRT_EPSILON )
{
if ( (t0 > ON_SQRT_EPSILON && t0 < 1.0-ON_SQRT_EPSILON) || (t1 > ON_SQRT_EPSILON && t1 < 1.0-ON_SQRT_EPSILON) )
{
cdom.Intersection(*subdomain);
if ( cdom.IsIncreasing() )
{
ON_NurbsCurve nurbs_curve;
if ( curve.GetNurbForm( nurbs_curve, 0.0,&cdom) )
{
return IsIsoparametric( nurbs_curve, 0 );
}
}
}
}
}
ON_BoundingBox bbox;
double tolerance = 0.0;
const int dim = curve.Dimension();
if ( (dim == 2 || dim==3) && curve.GetBoundingBox(bbox) )
{
iso = IsIsoparametric( bbox );
switch (iso) {
case x_iso:
case W_iso:
case E_iso:
// make sure curve is a (nearly) vertical line
// and weed out vertical scribbles
tolerance = bbox.m_max.x - bbox.m_min.x;
if ( tolerance < ON_ZERO_TOLERANCE && ON_ZERO_TOLERANCE*1024.0 <= (bbox.m_max.y-bbox.m_min.y) )
{
// 26 March 2007 Dale Lear
// If tolerance is tiny, then use ON_ZERO_TOLERANCE
// This fixes cases where iso curves where not getting
// the correct flag because tol=1e-16 and the closest
// point to line had calculation errors of 1e-15.
tolerance = ON_ZERO_TOLERANCE;
}
if ( !curve.IsLinear( tolerance ) )
iso = not_iso;
break;
case y_iso:
case S_iso:
case N_iso:
// make sure curve is a (nearly) horizontal line
// and weed out horizontal scribbles
tolerance = bbox.m_max.y - bbox.m_min.y;
if ( tolerance < ON_ZERO_TOLERANCE && ON_ZERO_TOLERANCE*1024.0 <= (bbox.m_max.x-bbox.m_min.x) )
{
// 26 March 2007 Dale Lear
// If tolerance is tiny, then use ON_ZERO_TOLERANCE
// This fixes cases where iso curves where not getting
// the correct flag because tol=1e-16 and the closest
// point to line had calculation errors of 1e-15.
tolerance = ON_ZERO_TOLERANCE;
}
if ( !curve.IsLinear( tolerance ) )
iso = not_iso;
break;
default:
// nothing here
break;
}
}
return iso;
}