trax::Section Struct Reference

A profile of a track. More...

#include <C:/Trend/Development/Trax3/Code/trax/Section.h>

Classes
struct	SectionPoint
	Point structure used to describe a section. More...

Public Types
enum class	SpecialSections {   unknown = -1 , empty = 0 , custom , standard ,   vignol_UIC60 , eepv7_grooved_convextread , eep_embankment_simple , eep_concrete_roadway ,   eep_rack_railway , eep7_track1435 , eep_simple , eep_grooved_convextread ,   eep_flatballast , eepv7_track1000 , eep_simple2 , eep_simple3 ,   eep_flatballast_rods , square , hexagon , pipeline }
	Predefined cross sections. More...

Public Member Functions
virtual std::string	TypeName () const noexcept=0
	Name for the object type that implements this interface.
virtual SpecialSections	GetSectionType () const noexcept=0
virtual void	Create (SpecialSections specialSection)=0
	Creates a special section, creates the section points if applicable.
virtual int	CountPoints () const =0
virtual void	SetCntPoints (int cnt)=0
	Sets the total number of profile points.
virtual const SectionPoint &	Get (int id) const =0
virtual common::Interval< One >	TextureExtent () const =0
	Gives the maximum difference between the t values of any two SectionPoints.
virtual Length	PolygonChainLength () const noexcept=0
virtual Length	Gauge () const noexcept=0
virtual spat::Rect< Length >	Clearance () const noexcept=0
virtual void	Set (int id, const SectionPoint &pt, bool bGaugeLeft=false, bool bGaugeRight=false)=0
	Sets the section point with index id.
virtual void	Scale (One x_scale, One y_scale)=0
	Scales all the points and normals by factors.
virtual void	CalculateNormals () noexcept=0
	Calculates the normals from positions of the points automatically.
virtual void	CalculateTextureCoordinates ()=0
	Calculates the texture coordinate t from positions of the points automatically.
	Section (const Section &)=delete
	Section (Section &&)=delete
Section &	operator= (const Section &)=delete
Section &	operator= (Section &&)=delete

Static Public Member Functions
static dclspc std::unique_ptr< Section >	Make (SpecialSections special=SpecialSections::empty) noexcept
	Makes a Section object.

Detailed Description

A profile of a track.

Section specifies a vertical section through a track to define its profile. Special sections are available for commonly used track profiles.

Member Enumeration Documentation

SpecialSections

enum class trax::Section::SpecialSections

strong

Predefined cross sections.

Enumerator
empty	section with no points in it.
custom	section with no name but generated by custom code
standard	simple section
vignol_UIC60	vignol UIC60
eepv7_grooved_convextread	section with grooved rods and convex shaped top
eep_embankment_simple	very simple track and high embankment
eep_concrete_roadway	rods fixed in concrete
eep_rack_railway	simple track with cogs in the center
eep7_track1435	high embankment narrow rod plus convex shaped top
eep_simple	very simple epp track
eep_grooved_convextread	section with grooved rods and convex shaped top
eep_flatballast	flat ballast without rods
eepv7_track1000	high embankment narrow track narrow rod plus convex shaped top
eep_simple2	very simple epp track. high embankment.
eep_simple3	very simple epp track. high embankment.
eep_flatballast_rods	flat ballast with rods
square	four points profile
hexagon	six points profile
pipeline	round profile.

Member Function Documentation

Clearance()

virtual spat::Rect< Length > trax::Section::Clearance ( ) const

pure virtualnoexcept

Returns

A axis aligned rect that contains all the points of the section.

CountPoints()

virtual int trax::Section::CountPoints ( ) const

pure virtual

Returns

Total number of profile points.

Gauge()

virtual Length trax::Section::Gauge ( ) const

pure virtualnoexcept

Returns

The gauge the segment represents.

Get()

virtual const SectionPoint & trax::Section::Get ( int id ) const

pure virtual

Parameters

id	zero based index of SectionPoint.

Returns

the section point with index id.

PolygonChainLength()

virtual Length trax::Section::PolygonChainLength ( ) const

pure virtualnoexcept

Returns

The total length of the profile along the segment points.

Set()

virtual void trax::Section::Set ( int id, const SectionPoint & pt, bool bGaugeLeft = false, bool bGaugeRight = false )

pure virtual

Sets the section point with index id.

Parameters

id	zero based index of SectionPoint.
pt	Value to set the point to.
bGaugeLeft	This point represents the inner face of the load-bairing rail on the left.
bGaugeRight	This point represents the inner face of the load-bairing rail on the right.

TextureExtent()

virtual common::Interval< One > trax::Section::TextureExtent ( ) const

pure virtual

Gives the maximum difference between the t values of any two SectionPoints.

Returns

the width of the texture value along the segment.

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The documentation for this struct was generated from the following file:

• C:/Trend/Development/Trax3/Code/trax/Section.h