OptiX-Based Code

Description

Collaboration diagram for OptiX-Based Code:

Classes
class	chrono::sensor::ChOptixEngine
	Optix Engine that is responsible for managing all render-based sensors. More...
struct	chrono::sensor::ProgramString
	holds string values for ptx file and ray generation program More...
struct	chrono::sensor::ByteImageData
	stores image data More...

Functions
CH_SENSOR_API optix::Program	chrono::sensor::GetRTProgram (optix::Context context, std::string file_name, std::string program_name)
	launches ray generation program More...
ByteImageData	chrono::sensor::LoadImage (std::string filename)
	loads image to struct ByteImageData, returns an empty struct with 0 values if loading failed More...
Transform	chrono::sensor::CreateEmptyTransform (optix::Context context)
	creates an empty optix transform::node More...
Transform	chrono::sensor::CreateTransform (optix::Context context, ChMatrix33< double > a, ChVector< double > b)
	creates an opti::transform node More...
Transform	chrono::sensor::CreateTransform (optix::Context context, ChMatrix33< double > a, ChVector< double > b, ChVector< double > s)
	creates an optix::transform node More...
Transform	chrono::sensor::CreateTransformFromEndPoints (optix::Context context, ChVector<> a, ChVector<> b, ChVector<> from)
	creatse an optix::transform node based on end points More...
optix::Transform	chrono::sensor::CreateTransformFromEndPoints (optix::Context context, ChVector<> a, ChVector<> b, ChVector<> from, ChVector< double > s)
	creatse an optix::transform node based on end points More...
void	chrono::sensor::UpdateTransform (optix::Transform t, ChMatrix33< double > a, ChVector< double > b)
	updates the projection matrix in the optix::transform object More...
void	chrono::sensor::UpdateTransform (optix::Transform t, ChMatrix33< double > a, ChVector< double > b, ChVector< double > s)
	updates the projection matrix in the optix::transform object More...

Variables
const std::string	chrono::sensor::ptx_pre = "ChronoEngine_sensor_generated_"
	prefix for ptx file
const std::string	chrono::sensor::ptx_suff = ".cu.ptx"
	suffix for ptx file

Function Documentation

CreateEmptyTransform()

optix::Transform chrono::sensor::CreateEmptyTransform

(

optix::Context

context

)

creates an empty optix transform::node

Parameters

context

the optix context

CreateTransform() [1/2]

optix::Transform chrono::sensor::CreateTransform	(	optix::Context	context,
		ChMatrix33< double >	a,
		ChVector< double >	b
	)

creates an opti::transform node

Parameters

context	optix context
a	projection matrix
b

CreateTransform() [2/2]

optix::Transform chrono::sensor::CreateTransform	(	optix::Context	context,
		ChMatrix33< double >	a,
		ChVector< double >	b,
		ChVector< double >	s
	)

creates an optix::transform node

Parameters

context	optix context
a	projection matrix
b
s

Returns

an optix::transform

CreateTransformFromEndPoints() [1/2]

optix::Transform chrono::sensor::CreateTransformFromEndPoints	(	optix::Context	context,
		ChVector<>	a,
		ChVector<>	b,
		ChVector<>	from
	)

creatse an optix::transform node based on end points

Parameters

context	optix context
a	projection matrix
b
from

Returns

an optix::transform

CreateTransformFromEndPoints() [2/2]

optix::Transform chrono::sensor::CreateTransformFromEndPoints	(	optix::Context	context,
		ChVector<>	a,
		ChVector<>	b,
		ChVector<>	from,
		ChVector< double >	s
	)

creatse an optix::transform node based on end points

Parameters

context	optix context
a	projection matrix
b
from
s

Returns

an optix::transform

GetRTProgram()

CH_SENSOR_API optix::Program chrono::sensor::GetRTProgram	(	optix::Context	context,
		std::string	file_name,
		std::string	program_name
	)

launches ray generation program

Parameters

context	optix context
file_name	the .cu file where the RT program is implemented
program_name	RT program

LoadImage()

ByteImageData chrono::sensor::LoadImage

(

std::string

filename

)

loads image to struct ByteImageData, returns an empty struct with 0 values if loading failed

Parameters

filename

UpdateTransform() [1/2]

void chrono::sensor::UpdateTransform	(	optix::Transform	t,
		ChMatrix33< double >	a,
		ChVector< double >	b
	)

updates the projection matrix in the optix::transform object

Parameters

t	optix transform object
a	projection matrix
b

UpdateTransform() [2/2]

void chrono::sensor::UpdateTransform	(	optix::Transform	t,
		ChMatrix33< double >	a,
		ChVector< double >	b,
		ChVector< double >	s
	)

updates the projection matrix in the optix::transform object

Parameters

t	optix tranform object
a	projection matrix
b
s