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3D point in Cartesian coordinate system
template<typename CoordinateType, typename CoordinateSystem> class model::d3::point_xyz : public model::point< CoordinateType, 3, CoordinateSystem > { // ... };
| Parameter | Default | Description | 
|---|---|---|
| typename CoordinateType | numeric type, for example, double, float, int | |
| typename CoordinateSystem | cs::cartesian | coordinate system, defaults to cs::cartesian | 
| Function | Description | Parameters | 
|---|---|---|
| 
 point_xyz() 
 | Default constructor, no initialization. | |
| 
 point_xyz(CoordinateType const & x, CoordinateType const & y, CoordinateType const & z) 
 | Constructor with x/y/z values. | CoordinateType const &: x: CoordinateType const &: y: CoordinateType const &: z: | 
| Function | Description | Parameters | Returns | 
|---|---|---|---|
| 
 constexpr CoordinateType const & x() 
 | Get x-value. | ||
| 
 constexpr CoordinateType const & y() 
 | Get y-value. | ||
| 
 constexpr CoordinateType const & z() 
 | Get z-value. | ||
| 
 void x(CoordinateType const & v) 
 | Set x-value. | CoordinateType const &: v: | |
| 
 void y(CoordinateType const & v) 
 | Set y-value. | CoordinateType const &: v: | |
| 
 void z(CoordinateType const & v) 
 | Set z-value. | CoordinateType const &: v: | 
Either
          #include <boost/geometry/geometries/geometries.hpp>
        
Or
          #include <boost/geometry/geometries/point_xyz.hpp>
        
Declaration and use of the Boost.Geometry model::d3::point_xyz, modelling the Point Concept
#include <iostream> #include <boost/geometry.hpp> #include <boost/geometry/geometries/point_xyz.hpp> namespace bg = boost::geometry; int main() { bg::model::d3::point_xyz<double> point1; bg::model::d3::point_xyz<double> point2(3, 4, 5);bg::set<0>(point1, 1.0);
point1.y(2.0);
point1.z(4.0); double x = bg::get<0>(point1);
double y = point1.y();
double z = point1.z(); std::cout << x << ", " << y << ", " << z << std::endl; return 0; }
| Construct, assigning coordinates. | |
| Set a coordinate, generic. | |
| 
              Set a coordinate, class-specific (Note:
              prefer  | |
| Get a coordinate, generic. | |
| 
              Get a coordinate, class-specific (Note:
              prefer  | 
Output:
1, 2, 4
| ![[Note]](../../../../../../../doc/src/images/note.png) | Note | 
|---|---|
| 
            Coordinates are not initialized. If the constructor with parameters is
            not called and points are not assigned using  |