SFCGAL::GetZVisitor Class Reference

Visitor to get Z coordinate value. More...

Inheritance diagram for SFCGAL::GetZVisitor:

Public Member Functions
auto	operator() (const Coordinate::Empty &) const -> Kernel::FT
	Handle empty coordinates. More...
auto	operator() (const Kernel::Point_2 &) const -> Kernel::FT
	Handle 2D points (no Z coordinate) More...
auto	operator() (const Kernel::Point_3 &storage) const -> Kernel::FT
	Get Z coordinate from 3D point. More...

Detailed Description

Visitor to get Z coordinate value.

Member Function Documentation

auto SFCGAL::GetZVisitor::operator() ( const Coordinate::Empty &  ) const -> Kernel::FT

inline

Handle empty coordinates.

Exceptions

Exception

when trying to get Z from empty coordinate

Returns

Never returns (throws exception)

auto SFCGAL::GetZVisitor::operator() ( const Kernel::Point_2 &  ) const -> Kernel::FT

inline

Handle 2D points (no Z coordinate)

Returns

0 for 2D points (no Z coordinate)

auto SFCGAL::GetZVisitor::operator() ( const Kernel::Point_3 &  storage ) const -> Kernel::FT

inline

Get Z coordinate from 3D point.

Parameters

storage

The 3D point

Returns

Z coordinate value