constexpr explicit vec(const osmium::NodeRef& nr) noexcept :
x(nr.x()),
y(nr.y()) {
}
int tav(osmium::NodeRef a,osmium::NodeRef b)
{
return sqrt(std::pow(a.x()-b.x(),2)+std::pow(a.y()-b.y(),2));
}
constexpr explicit vec(const osmium::NodeRef& nr) noexcept :
x(nr.x()),
y(nr.y()) {
}
int tav(osmium::NodeRef a,osmium::NodeRef b)
{
return sqrt(std::pow(a.x()-b.x(),2)+std::pow(a.y()-b.y(),2));
}