vex::vision Class Reference

Use this class when programming the vision sensor. More...

Inherits vex::device.

Classes
class	code
	Use this class when programming the vision sensor. More...
class	object
	The object class represents an object that the vision sensor detects. More...
class	signature
	Use this class when programming the vision sensor. More...

Public Member Functions
	vision (int32_t index)
	Creates a new vision object on the port specified. More...
	~vision ()
template<typename... Args>
	vision (int32_t index, uint8_t bright, Args... sigs)
	Creates a new vision object on the port specified. Sets the brightness setting and all of the vision objects settings. More...
int32_t	takeSnapshot (uint32_t id)
	Takes a data sample from the vision sensor. More...
int32_t	takeSnapshot (code &cc)
	Takes a data sample from the vision sensor. More...
int32_t	takeSnapshot (signature &sig)
	Takes a data sample from the vision sensor. More...
int32_t	takeSnapshot (uint32_t id, uint32_t count)
	Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount. More...
int32_t	takeSnapshot (code &cc, uint32_t count)
	Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount. More...
int32_t	takeSnapshot (signature &sig, uint32_t count)
	Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount. More...
bool	setSignature (signature &sig)
bool	setBrightness (uint8_t value)
Public Member Functions inherited from vex::device
	device (int32_t index)
	~device ()

Public Attributes
int32_t	objectCount
	The ammount of objects found in the data sample. More...
object	largestObject
	The largest object found in the data sample. More...
safearray< object, VISION_MAX_OBJECTS >	objects
	An array containing the largest object(s) found in the data sample. More...

Additional Inherited Members
Protected Attributes inherited from vex::device
int32_t	_index

Detailed Description

Use this class when programming the vision sensor.

The vision sensor has a resolution of 316x212 pixels

Constructor & Destructor Documentation

vision() [1/2]

vex::vision::vision

(

int32_t

index

)

Creates a new vision object on the port specified.

Parameters

index

The port index for this vision. The index is zero-based.

~vision()

vex::vision::~vision

(

)

vision() [2/2]

template<typename... Args>

vex::vision::vision ( int32_t  index, uint8_t  bright, Args...  sigs  )

inline

Creates a new vision object on the port specified. Sets the brightness setting and all of the vision objects settings.

Parameters

index	The port index for this vision. The index is zero-based.
bright	The vision sensor brightness setting. Values are 0 to 255
sigs	List of signature objects used to setup the detection signatures for this sensor.

Member Function Documentation

takeSnapshot() [1/6]

int32_t vex::vision::takeSnapshot

(

uint32_t

id

)

Takes a data sample from the vision sensor.

Returns

Returns the number of objects found from the ID passed in the parameter.

Parameters

id	The ID of the object to look for.

takeSnapshot() [2/6]

int32_t vex::vision::takeSnapshot

(

code &

cc

)

Takes a data sample from the vision sensor.

Returns

Returns the number of objects found from the code signature passed in the parameter.

Parameters

cc	The code signature of the object to look for.

takeSnapshot() [3/6]

int32_t vex::vision::takeSnapshot

(

signature &

sig

)

Takes a data sample from the vision sensor.

Returns

Returns a number of objects found from the signature passed in the parameter.

Parameters

sig	The signature of the object to look for.

takeSnapshot() [4/6]

int32_t vex::vision::takeSnapshot	(	uint32_t	id,
		uint32_t	count
	)

Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount.

Returns

Returns a limited number of objects found from the ID passed in the parameter.

Parameters

id	The ID of the object to look for.
count	the amount of objects to look for. The largest of the object will be returned.

takeSnapshot() [5/6]

int32_t vex::vision::takeSnapshot	(	code &	cc,
		uint32_t	count
	)

Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount.

Returns

Returns a limited number of objects found from the code signature passed in the parameter.

Parameters

cc	The code signature of the object to look for.
count	the amount of objects to look for. The largest of the object will be returned.

takeSnapshot() [6/6]

int32_t vex::vision::takeSnapshot	(	signature &	sig,
		uint32_t	count
	)

Takes a data sample from the vision sensor, and only stores the largest samples of the specified amount.

Returns

Returns a limited number of objects found from the signature passed in the parameter.

Parameters

sig	The signature of the object to look for.
count	the amount of objects to look for. The largest of the object will be returned.

setSignature()

bool vex::vision::setSignature

(

signature &

sig

)

setBrightness()

bool vex::vision::setBrightness

(

uint8_t

value

)

Member Data Documentation

objectCount

int32_t vex::vision::objectCount

The ammount of objects found in the data sample.

largestObject

object vex::vision::largestObject

The largest object found in the data sample.

objects

safearray< object, VISION_MAX_OBJECTS > vex::vision::objects

An array containing the largest object(s) found in the data sample.