Builder class for constructing Input objects with a friendly interface. More...

#include <lob.hpp>

Public Member Functions
	Builder ()
	Default constructor.

	~Builder ()
	Destructor.

	Builder (const Builder &other)

	Builder (Builder &&other) noexcept

Builder &	operator= (const Builder &rhs)
	Copy assignment operator.

Builder &	operator= (Builder &&rhs) noexcept
	Move assignment operator.

Builder &	BallisticCoefficientPsi (double value)
	Sets the ballistic coefficient (Psi).

Builder &	BCAtmosphere (AtmosphereReferenceT type)
	Sets the atmosphere reference associated with ballistic coefficient.

Builder &	BCDragFunction (DragFunctionT type)
	Sets the drag function associated with ballistic coefficient.

Builder &	DiameterInch (double value)
	Sets the projectile diameter (caliber) in inches.

Builder &	MeplatDiameterInch (double value)
	Sets the projectile meplat diameter in inches.

Builder &	BaseDiameterInch (double value)
	Sets the projectile base diameter in inches.

Builder &	LengthInch (double value)
	Sets the projectile length in inches.

Builder &	NoseLengthInch (double value)
	Sets the projectile nose length in inches.

Builder &	TailLengthInch (double value)
	Sets the projectile tail length in inches.

Builder &	OgiveRtR (double value)
	Sets the Rt/R ratio of the projectile ogive.

Builder &	MachVsDragTable (const float pmachs, const float pdrags, size_t size)
	Loads a custom Mach vs Drag table for the projectile.

template<size_t N>
Builder &	MachVsDragTable (const std::array< float, N > &machs, const std::array< float, N > &drags)
	Loads a custom Mach vs Drag table for the projectile.

Builder &	MassGrains (double value)
	Sets the projectile mass in grains.

Builder &	InitialVelocityFps (uint16_t value)
	Sets the initial velocity of the projectile in feet per second.

Builder &	OpticHeightInches (double value)
	Sets the height of the optic above the bore in inches.

Builder &	TwistInchesPerTurn (double value)
	Sets the twist rate of the barrel in inches per turn.

Builder &	ZeroAngleMOA (double value)
	Sets the angle between the sight and launch angle used to achieve zero.

Builder &	ZeroDistanceYds (double value)
	Sets the zero distance in yards.

Builder &	ZeroImpactHeightInches (double value)
	Sets the zero impact height in inches.

Builder &	AltitudeOfFiringSiteFt (double value)
	Sets the altitude of the firing site in feet.

Builder &	AirPressureInHg (double value)
	Sets the air pressure in inches of mercury (inHg).

Builder &	AltitudeOfBarometerFt (double value)
	Sets the altitude of the location where air pressure was taken in feet.

Builder &	TemperatureDegF (double value)
	Sets the temperature in degrees Fahrenheit.

Builder &	AltitudeOfThermometerFt (double value)
	Sets the altitude of the location where temperature was taken in feet.

Builder &	RelativeHumidityPercent (double value)
	Sets the relative humidity at the firing site in percent.

Builder &	WindHeading (ClockAngleT value)
	Sets the wind heading using a clock angle.

Builder &	WindHeadingDeg (double value)
	Sets the wind heading in degrees.

Builder &	WindSpeedFps (double value)
	Sets the wind speed in feet per second.

Builder &	WindSpeedMph (double value)
	Sets the wind speed in miles per hour.

Builder &	AzimuthDeg (double value)
	Sets the azimuth (bearing) of the target in degrees.

Builder &	LatitudeDeg (double value)
	Sets the latitude of the firing location in degrees.

Builder &	RangeAngleDeg (double value)
	Sets the range angle (inclination) to the target in degrees.

Builder &	MinimumSpeed (uint16_t value)
	Sets the minimum speed threshold for the solver.

Builder &	MinimumEnergy (uint16_t value)
	Sets the minimum energy threshold for the solver.

Builder &	MaximumTime (double value)
	Sets the maximum time of flight for the solver.

Builder &	StepSize (uint16_t value)
	Sets the step size for the numerical solver.

Builder &	Reset () noexcept
	Resets the builder state by re-initializing.

Input	Build ()
	Builds the Input object with the configured parameters.

Detailed Description

Builder class for constructing Input objects with a friendly interface.

Constructor & Destructor Documentation

◆ Builder() [1/3]

lob::Builder::Builder ( )

inline

Default constructor.

◆ ~Builder()

lob::Builder::~Builder ( )

inline

Destructor.

◆ Builder() [2/3]

lob::Builder::Builder ( const Builder & other )

inline

<Copy constructor

◆ Builder() [3/3]

lob::Builder::Builder ( Builder && other )

inlinenoexcept

<Move constructor

Member Function Documentation

◆ AirPressureInHg()

Builder & lob::Builder::AirPressureInHg ( double value )

inline

Sets the air pressure in inches of mercury (inHg).

Parameters

value The air pressure in inHg.

Returns: A reference to the Builder object.

◆ AltitudeOfBarometerFt()

Builder & lob::Builder::AltitudeOfBarometerFt ( double value )

inline

Sets the altitude of the location where air pressure was taken in feet.

Note: This only has an effect if the air pressure was taken from a site other than the firing site with a different altitude such as a nearby weather station.

Parameters

value The altitude in feet.

Returns: A reference to the Builder object.

◆ AltitudeOfFiringSiteFt()

Builder & lob::Builder::AltitudeOfFiringSiteFt ( double value )

inline

Sets the altitude of the firing site in feet.

Parameters

value The altitude in feet.

Returns: A reference to the Builder object.

◆ AltitudeOfThermometerFt()

Builder & lob::Builder::AltitudeOfThermometerFt ( double value )

inline

Sets the altitude of the location where temperature was taken in feet.

Note: This only has an effect if the temperature was taken from a site other than the firing site with a different altitude such as a nearby weather station.

Parameters

value The altitude in feet.

Returns: A reference to the Builder object.

◆ AzimuthDeg()

Builder & lob::Builder::AzimuthDeg ( double value )

inline

Sets the azimuth (bearing) of the target in degrees.

Note: Used for making coriolis effect corrections.

Parameters

value The azimuth in degrees.

Returns: A reference to the Builder object.

◆ BallisticCoefficientPsi()

Builder & lob::Builder::BallisticCoefficientPsi ( double value )

inline

Sets the ballistic coefficient (Psi).

Parameters

value The ballistic coefficient value.

Returns: A reference to the Builder object.

◆ BaseDiameterInch()

Builder & lob::Builder::BaseDiameterInch ( double value )

inline

Sets the projectile base diameter in inches.

Parameters

value The base diameter in inches.

Returns: A reference to the Builder object.

◆ BCAtmosphere()

Builder & lob::Builder::BCAtmosphere ( AtmosphereReferenceT type )

inline

Sets the atmosphere reference associated with ballistic coefficient.

Parameters

type	The atmosphere reference type.

Returns: A reference to the Builder object.

◆ BCDragFunction()

Builder & lob::Builder::BCDragFunction ( DragFunctionT type )

inline

Sets the drag function associated with ballistic coefficient.

Parameters

type	The drag function type.

Returns: A reference to the Builder object.

◆ Build()

Input lob::Builder::Build ( )

inline

Builds the Input object with the configured parameters.

Returns: The constructed Input object.

◆ DiameterInch()

Builder & lob::Builder::DiameterInch ( double value )

inline

Sets the projectile diameter (caliber) in inches.

Parameters

value The diameter in inches.

Returns: A reference to the Builder object.

◆ InitialVelocityFps()

Builder & lob::Builder::InitialVelocityFps ( uint16_t value )

inline

Sets the initial velocity of the projectile in feet per second.

Parameters

value The initial velocity in fps.

Returns: A reference to the Builder object.

◆ LatitudeDeg()

Builder & lob::Builder::LatitudeDeg ( double value )

inline

Sets the latitude of the firing location in degrees.

Note: Used for making coriolis effect corrections.

Parameters

value The latitude in degrees.

Returns: A reference to the Builder object.

◆ LengthInch()

Builder & lob::Builder::LengthInch ( double value )

inline

Sets the projectile length in inches.

Parameters

value The length in inches.

Returns: A reference to the Builder object.

◆ MachVsDragTable() [1/2]

Builder & lob::Builder::MachVsDragTable	(	const float *	pmachs,
		const float *	pdrags,
		size_t	size )

inline

Loads a custom Mach vs Drag table for the projectile.

Note: This is a direct alternative to using a ballistic coefficient and a reference drag function.

Parameters

pmachs	Pointer to an array of mach values.
pdrags	Pointer to an array of associated drag values.
size	The number of mach-drag pairs in the table.

Returns: A reference to the Builder object.

◆ MachVsDragTable() [2/2]

template<size_t N>

Builder & lob::Builder::MachVsDragTable	(	const std::array< float, N > &	machs,
		const std::array< float, N > &	drags )

inline

Loads a custom Mach vs Drag table for the projectile.

Note: This is a direct alternative to using a ballistic coefficient and a reference drag function.

Template Parameters

N	The number of mach-drag pairs in the table.

Parameters

machs	Reference to an array of mach values.
drags	Reference to an array of associated drag values.

Returns: A reference to the Builder object.

◆ MassGrains()

Builder & lob::Builder::MassGrains ( double value )

inline

Sets the projectile mass in grains.

Parameters

value The mass in grains.

Returns: A reference to the Builder object.

◆ MaximumTime()

Builder & lob::Builder::MaximumTime ( double value )

inline

Sets the maximum time of flight for the solver.

Parameters

value The maximum time in seconds after which the solver will stop calculations.

Returns: A reference to the Builder object.

◆ MeplatDiameterInch()

Builder & lob::Builder::MeplatDiameterInch ( double value )

inline

Sets the projectile meplat diameter in inches.

Parameters

value The meplat in inches.

Returns: A reference to the Builder object.

◆ MinimumEnergy()

Builder & lob::Builder::MinimumEnergy ( uint16_t value )

inline

Sets the minimum energy threshold for the solver.

Parameters

value The minimum energy in foot-pounds (ft*lbf) at which the solver will stop calculations.

Returns: A reference to the Builder object.

◆ MinimumSpeed()

Builder & lob::Builder::MinimumSpeed ( uint16_t value )

inline

Sets the minimum speed threshold for the solver.

Parameters

value The minimum speed in feet per second (fps) at which the solver will stop calculations.

Returns: A reference to the Builder object.

◆ NoseLengthInch()

Builder & lob::Builder::NoseLengthInch ( double value )

inline

Sets the projectile nose length in inches.

Parameters

value The nose length in inches.

Returns: A reference to the Builder object.

◆ OgiveRtR()

Builder & lob::Builder::OgiveRtR ( double value )

inline

Sets the Rt/R ratio of the projectile ogive.

Parameters

value The Rt/R ratio.

Returns: A reference to the Builder object.

◆ operator=() [1/2]

Builder & lob::Builder::operator= ( Builder && rhs )

inlinenoexcept

Move assignment operator.

◆ operator=() [2/2]

Builder & lob::Builder::operator= ( const Builder & rhs )

inline

Copy assignment operator.

◆ OpticHeightInches()

Builder & lob::Builder::OpticHeightInches ( double value )

inline

Sets the height of the optic above the bore in inches.

Parameters

value The optic height in inches.

Returns: A reference to the Builder object.

◆ RangeAngleDeg()

Builder & lob::Builder::RangeAngleDeg ( double value )

inline

Sets the range angle (inclination) to the target in degrees.

Parameters

value The range angle in degrees.

Returns: A reference to the Builder object.

◆ RelativeHumidityPercent()

Builder & lob::Builder::RelativeHumidityPercent ( double value )

inline

Sets the relative humidity at the firing site in percent.

Parameters

value The relative humidity in percent.

Returns: A reference to the Builder object.

◆ Reset()

Builder & lob::Builder::Reset ( )

inlinenoexcept

Resets the builder state by re-initializing.

Returns: A reference to the Builder object.

◆ StepSize()

Builder & lob::Builder::StepSize ( uint16_t value )

inline

Sets the step size for the numerical solver.

Note: If set to zero the solver will use a variable step.

Parameters

value The time step size in microseconds used by the solver.

Returns: A reference to the Builder object.

◆ TailLengthInch()

Builder & lob::Builder::TailLengthInch ( double value )

inline

Sets the projectile tail length in inches.

Parameters

value The tail length in inches.

Returns: A reference to the Builder object.

◆ TemperatureDegF()

Builder & lob::Builder::TemperatureDegF ( double value )

inline

Sets the temperature in degrees Fahrenheit.

Parameters

value The temperature in degrees F.

Returns: A reference to the Builder object.

◆ TwistInchesPerTurn()

Builder & lob::Builder::TwistInchesPerTurn ( double value )

inline

Sets the twist rate of the barrel in inches per turn.

Note: Used to calculate adjustments for spin drift and aerodynamic jump.

Parameters

value The twist rate in inches per turn.

Returns: A reference to the Builder object.

◆ WindHeading()

Builder & lob::Builder::WindHeading ( ClockAngleT value )

inline

Sets the wind heading using a clock angle.

Note: Twelve O'Clock is pure tailwind, Six O'Clock is a pure headwind.

Parameters

value The wind heading as a clock angle.

Returns: A reference to the Builder object.

◆ WindHeadingDeg()

Builder & lob::Builder::WindHeadingDeg ( double value )

inline

Sets the wind heading in degrees.

Note: 0 is pure tailwind, 180 is pure headwind.

Parameters

value The wind heading in degrees.

Returns: A reference to the Builder object.

◆ WindSpeedFps()

Builder & lob::Builder::WindSpeedFps ( double value )

inline

Sets the wind speed in feet per second.

Parameters

value The wind speed in fps.

Returns: A reference to the Builder object.

◆ WindSpeedMph()

Builder & lob::Builder::WindSpeedMph ( double value )

inline

Sets the wind speed in miles per hour.

Parameters

value The wind speed in mph.

Returns: A reference to the Builder object.

◆ ZeroAngleMOA()

Builder & lob::Builder::ZeroAngleMOA ( double value )

inline

Sets the angle between the sight and launch angle used to achieve zero.

Note: This is a portable zero value useful when firing conditions differ from zeroing conditions.

Parameters

value The zero angle in MOA.

Returns: A reference to the Builder object.

◆ ZeroDistanceYds()

Builder & lob::Builder::ZeroDistanceYds ( double value )

inline

Sets the zero distance in yards.

Parameters

value The zero distance in yards.

Returns: A reference to the Builder object.

◆ ZeroImpactHeightInches()

Builder & lob::Builder::ZeroImpactHeightInches ( double value )

inline

Sets the zero impact height in inches.

Note: This would be used if zeroing three inches high at 100 yards for example.

Parameters

value The zero impact height in inches.

Returns: A reference to the Builder object.

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

lob/lob.hpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ Builder() [1/3]

◆ ~Builder()

◆ Builder() [2/3]

◆ Builder() [3/3]

Member Function Documentation

◆ AirPressureInHg()

◆ AltitudeOfBarometerFt()

◆ AltitudeOfFiringSiteFt()

◆ AltitudeOfThermometerFt()

◆ AzimuthDeg()

◆ BallisticCoefficientPsi()

◆ BaseDiameterInch()

◆ BCAtmosphere()

◆ BCDragFunction()

◆ Build()

◆ DiameterInch()

◆ InitialVelocityFps()

◆ LatitudeDeg()

◆ LengthInch()

◆ MachVsDragTable() [1/2]

◆ MachVsDragTable() [2/2]

◆ MassGrains()

◆ MaximumTime()

◆ MeplatDiameterInch()

◆ MinimumEnergy()

◆ MinimumSpeed()

◆ NoseLengthInch()

◆ OgiveRtR()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ OpticHeightInches()

◆ RangeAngleDeg()

◆ RelativeHumidityPercent()

◆ Reset()

◆ StepSize()

◆ TailLengthInch()

◆ TemperatureDegF()

◆ TwistInchesPerTurn()

◆ WindHeading()

◆ WindHeadingDeg()

◆ WindSpeedFps()

◆ WindSpeedMph()

◆ ZeroAngleMOA()

◆ ZeroDistanceYds()

◆ ZeroImpactHeightInches()