void Intersect::visit(Line_CSPtr l1, const geo::Vector& v) { const geo::Coordinate p1 = l1->start(); const geo::Coordinate p2 = l1->end(); const geo::Coordinate p3 = v.start(); const geo::Coordinate p4 = v.end(); const double num = ((p4.x() - p3.x()) * (p1.y() - p3.y()) - (p4.y() - p3.y()) * (p1.x() - p3.x())); const double div = ((p4.y() - p3.y()) * (p2.x() - p1.x()) - (p4.x() - p3.x()) * (p2.y() - p1.y())); // TODO: We properly should add a tolorance here ?? if (std::abs(div) > _tolerance) { double u = num / div; double xs = p1.x() + u * (p2.x() - p1.x()); double ys = p1.y() + u * (p2.y() - p1.y()); const geo::Coordinate coord(xs, ys); const geo::Area a1(p1, p2); const geo::Area a2(p3, p4); const bool a1b = a1.inArea(coord); const bool a2b = a2.inArea(coord); if (_method == Method::Any) { _intersectionPoints.push_back(coord); } else if (a1b && a2b) { // Test if it positivly fit's within a area _intersectionPoints.push_back(coord); } else if ( (p1.x() == p2.x() && ys >= a1.minP().y() && ys <= a1.maxP().y() && a2b) || // when we deal with orizontal or vertical lines, inArea might not (p3.x() == p4.x() && ys >= a2.minP().y() && ys <= a2.maxP().y() && a1b) || // give a positive result, this conditions will confirm without using tolerance (p1.y() == p2.y() && xs >= a1.minP().x() && xs <= a1.maxP().x() && a2b) || (p3.y() == p4.y() && xs >= a2.minP().x() && xs <= a2.maxP().x() && a1b) ) { _intersectionPoints.push_back(coord); } } }
void Intersect::visit(Line_CSPtr line, Arc_CSPtr arc) { visit(arc, geo::Vector(line->start(), line->end())); }
void Intersect::visit(Line_CSPtr line, Circle_CSPtr circle) { visit(std::make_shared<Arc>(circle->center(), circle->radius(), 0., M_PI * 2., line->layer()), geo::Vector(line->start(), line->end())); }
void Intersect::visit(Line_CSPtr l1, Line_CSPtr l2) { visit(l1, geo::Vector(l2->start(), l2->end())); }
Line::Line(const Line_CSPtr other, bool sameID) : CADEntity(other->layer(), other->metaTypes()), Vector(other->start(), other->end()) { if (sameID) { this->setID(other->id()); } }
Line::Line(const Line_CSPtr& other, bool sameID) : CADEntity(other, sameID), geo::Vector(other->start(), other->end()) { }