Opticka 2.16.1
Opticka is an experiment manager for behavioral research.
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barStimulus Class Reference

barStimulus single bar stimulus, inherits from baseStimulus More...

Detailed Description

barStimulus single bar stimulus, inherits from baseStimulus

Copyright ©2014-2024 Ian Max Andolina — released: LGPL3, see LICENCE.md

Inheritance diagram for barStimulus:

Public Member Functions

function barStimulus (in varargin)
 Class constructor.
 
function setup (in me, in sM)
 Setup stimulus using a screenManager object.
 
function set_xPositionOut (in me, in value)
 
function set_yPositionOut (in me, in value)
 
function set_sizeOut (in me, in value)
 
function set_scaleTextureOut (in me, in value)
 
function set_colourOut (in me, in value)
 
function set_alphaOut (in me, in value)
 
function draw (in me)
 Draw this stimulus.
 
function update (in me)
 Update our stimulus.
 
function animate (in me)
 Animate this stimulus.
 
function reset (in me)
 Reset the stimulus back to a default state.
 
function refreshTexture (in me)
 Regenerate the texture for the bar, can be called outside of update.
 
function set scaleTexture (in me, in value)
 scaleTexture set method
 
function set colour2 (in me, in value)
 SET Colour2 method Allow 1 (R=G=B) 3 (RGB) or 4 (RGBA) value colour alpha will not be updated is RGBA is used.
 
function getsfOut (in me)
 sfOut Pseudo Get method
 
- Public Member Functions inherited from baseStimulus
virtual setup (in runObject)
 ALL Children must implement these 5 methods!
 
function baseStimulus (in varargin)
 Class constructor.
 
function set colour (in me, in value)
 colour set method Allow 1 (R=G=B) 3 (RGB) or 4 (RGBA) value colour
 
function set alpha (in me, in value)
 alpha set method
 
function get delta (in me)
 delta Get method delta is the normalised number of pixels per frame to move a stimulus
 
function get dX (in me)
 dX Get method X position increment for a given delta and angle
 
function get dY (in me)
 dY Get method Y position increment for a given delta and angle
 
function show (in me)
 Method to set isVisible=true.
 
function hide (in me)
 Method to set isVisible=false.
 
function setOffTime (in me, in time)
 set offTime
 
function setDelayTime (in me, in time)
 set delayTime
 
function resetTicks (in me)
 reset the various tick counters for our stimulus
 
function getMousePosition (in me)
 get mouse position we make sure this is only called once per animation tick to improve performance and ensure all stimuli that are following mouse position have consistent X and Y per frame update This sets mouseX and mouseY and mouseValid if mouse is within PTB screen (useful for mouse override positioning for stimuli)
 
function run (in me, in benchmark, in runtime, in s, in forceScreen, in showVBL)
 Run stimulus in a window to preview it.
 
function makePanel (in me, in parent)
 make a GUI properties panel for this object
 
function selectFilePanel (in me, in varargin)
 read values from a GUI properties panel for this object
 
function readPanel (in me, in varargin)
 read values from a GUI properties panel for this object
 
function showPanel (in me)
 show GUI properties panel for this object
 
function hidePanel (in me)
 hide GUI properties panel for this object
 
function closePanel (in me, in varargin)
 close GUI panel for this object
 
function cleanHandles (in me, in ignoredArg)
 clean any handles
 
function getP (in me, in name, in range)
 gets a property copy or original property
 
function setP (in me, in name, in value)
 sets a property copy or original property
 
function updateXY (in me, in x, in y, in useDegrees)
 Update only position info, faster and doesn't reset image etc.
 
- Public Member Functions inherited from optickaCore
function optickaCore (in varargin)
 Class constructor.
 
function get fullName (in me)
 
function getALF (in me, in subject, in sessionPrefix, in lab, in create)
 
function findAttributes (in me, in attrName, in attrValue)
 
function findAttributesandType (in me, in attrName, in attrValue, in type)
 find properties of object with specific attributes, for example all properties whose GetAcccess attribute is public and type is logical.
 
function findPropertyDefault (in me, in propName)
 
function clone (in me)
 Use this syntax to make a deep copy of the object, i.e. OBJ_OUT has the same field values, but will not behave as a handle-copy of me anymore.
 
function checkSuperclasses (in List)
 
function editProperties (in me, in properties)
 method to modify a set of properties
 
function setProp (in me, in property, in value)
 method to fast change a particular value. This is useful for use in anonymous functions, like in the state machine.
 
function initialiseGlobals (in me, in doReset, in doOpen)
 
function initialiseSaveFile (in me)
 Initialise Save prefix.
 
function checkPaths (in me)
 checks the paths are valid
 

Public Attributes

Property type
 type of bar: 'solid','checkerboard','random','randomColour','randomN','randomBW'
 
Property barWidth
 width of bar, inf = width of screen, if size is set this is overridden
 
Property barHeight
 length of bar, inf = width of screen, if size is set this is overridden
 
Property contrast
 contrast multiplier
 
Property scaleTexture
 texture scale
 
Property sf
 sf in cycles per degree for checkerboard textures
 
Property interpMethod
 texture interpolation: 'nearest','linear','spline','cubic'
 
Property phaseReverseTime
 For checkerboard, allow timed phase reversal every N seconds.
 
Property regenerateTexture
 
Property colour2
 for checkerboard: the second colour
 
Property modulateColour
 modulate the colour
 
Property visibleRate
 turn stimulus on/off at X hz, [] diables this
 
Property floatPrecision
 
Property specialFlags
 
Property optimizeForDrawAngle
 optimizeForDrawAngle
 
Property family
 
Property matrix
 computed matrix for the bar
 
Property typeList
 
Property interpMethodList
 
Property tempTime
 
Property visibleTick
 
Property visibleFlip
 
Property baseColour
 
Property screenWidth
 
Property screenHeight
 
Property matrix2
 for phase reveral of checkerboard
 
Property texture2
 for phase reveral of checkerboard
 
Property phaseCounter
 how many frames between phase reverses
 
Property allowedProperties
 
Property ignoreProperties
 
- Public Attributes inherited from baseStimulus
Property type
 stimulus type
 
Property xPosition
 
Property yPosition
 
Property size
 
Property colour
 
Property alpha
 Alpha (opacity) [0-1], this gets combined with the RGB colour.
 
Property startPosition
 
Property speed
 
Property angle
 angle in degrees (0 - 360)
 
Property delayTime
 
Property offTime
 time to turn stimulus off, relative to stimulus onset
 
Property isVisible
 true or false, whether to draw() this object
 
Property mouseOverride
 override X and Y position with mouse input? Useful for RF mapping
 
Property showOnTracker
 show the position on the Eyetracker display?
 
Property verbose
 Do we log extra details to the command-line?
 
Property xFinal
 
Property yFinal
 
Property mvRect
 
Property szIsPx
 
Property szPx
 computed size in pixels
 
Property szD
 computed size in °
 
Property xFinalD
 X and Y position in °
 
Property yFinalD
 
Property isRect
 
Property tick
 tick updates +1 on each call of draw (even if delay or off is true and no stimulus is drawn, resets on each update
 
Property drawTick
 draw tick only updates when a draw is actually performed, resets on each update
 
Property ppd
 pixels per degree (normally inhereted from screenManager)
 
Property delta
 What our per-frame motion delta is.
 
Property dX
 X update which is computed from our speed and angle.
 
Property dY
 X update which is computed from our speed and angle.
 
- Public Attributes inherited from optickaCore
Property name
 object name
 
Property comment
 comment
 
Property verbose
 verbose logging, subclasses must assign this. This is normally logical true/false
 
Property dateStamp
 clock() dateStamp set on construction
 
Property uuid
 universal ID
 
Property paths
 storage of various paths
 
Property fullName
 The fullName is the object name combined with its uuid and class name.
 

Protected Member Functions

function constructMatrix (in me)
 constructMatrix makes the texture matrix to fill the bar with
 
function makeCheckerBoard (in me, in hh, in ww, in c)
 make the checkerboard
 
function mix (in me, in c)
 linear interpolation between two arrays
 
- Protected Member Functions inherited from baseStimulus
function addRuntimeProperties (in me)
 These are transient properties that specify actions during runtime.
 
function updateRuntimeProperties (in me)
 Update transient properties that specify actions during runtime.
 
function computePosition (in me)
 compute xFinal and yFinal (in pixels) taking startPosition, xPosition, yPosition and direction/angle into account
 
function setAnimationDelta (in me)
 
function setRect (in me)
 
function toStructure (in me, in tmp)
 Converts properties to a structure.
 
function removeTmpProperties (in me)
 Finds and removes dynamic properties.
 
function delete (in me)
 
- Protected Member Functions inherited from optickaCore
function parseArgs (in me, in args, in allowedProperties)
 Sets properties from a structure or normal arguments pairs, ignores invalid or non-allowed properties.
 
function addArgs (in me, in args)
 
function setPaths (in me)
 Sets properties from a structure or normal arguments pairs, ignores invalid or non-allowed properties.
 
function getFonts (in me)
 set paths for object
 
function toStructure (in me)
 Converts properties to a structure.
 
function getType (in me, in in)
 
function logOutput (in me, in in, in message, in override)
 Give a metaproperty return the likely property class.
 
function salutation (in me, in varargin)
 Prints messages dependent on verbosity.
 

Additional Inherited Members

- Public Types inherited from baseStimulus
enum  Events { readPanelUpdate }
 
- Static Public Member Functions inherited from baseStimulus
static function d2r (in degrees)
 degrees2radians
 
static function r2d (in r)
 radians2degrees
 
static function findDistance (in x1, in y1, in x2, in y2)
 findDistance in X and Y coordinates
 
static function updatePosition (in delta, in angle)
 updatePosition returns dX and dY given an angle and delta
 
- Static Public Member Functions inherited from optickaCore
static function makeArgs (in args)
 Converts cell args to structure array.
 
static function addDefaults (in args, in defs)
 add default options to arg input
 
static function hasKey (in in, in key)
 check if a struct / object has a propery / field
 
static function getKeys (in device)
 PTB Get key presses, stops key bouncing.
 
- Protected Attributes inherited from baseStimulus
Property family
 the stimulus family (grating, dots etc.)
 
Property texture
 Our texture pointer for texture-based stimuli.
 
Property handles
 handles for the GUI
 
Property sM
 our screen manager
 
Property animator
 animation manager
 
Property screenVals
 screen settings generated by sM on setup
 
Property isSetup
 
Property isGUI
 is panel constructed?
 
Property dstRect
 initial screen rectangle position [LEFT TOP RIGHT BOTTOM]
 
Property mouseValid
 is mouse position within screen co-ordinates?
 
Property mouseX
 mouse X position
 
Property mouseY
 mouse Y position
 
Property delayTicks
 delay ticks to wait until display
 
Property offTicks
 ticks before stimulus turns off
 
Property inSetup
 are we setting up?
 
Property delta_
 delta cache
 
Property dX_
 dX cache
 
Property dY_
 dY cache
 
Property isInSetColour
 deal with interaction of colour and alpha
 
Property setLoop
 
Property ignorePropertiesBase
 Which properties to ignore cloning when making transient copies in setup.
 
Property ignorePropertiesUIBase
 Which properties to not draw in the UI panel.
 
- Protected Attributes inherited from optickaCore
Property cloning
 are we cloning this from another object
 
Property mversion
 Matlab version number, this is transient so it is not saved.
 
Property sansFont
 sans font
 
Property monoFont
 monoFont
 
Property className
 class name
 
Property savePrefix
 save prefix generated from clock time
 
Property fullName_
 cached full name
 

Constructor & Destructor Documentation

◆ barStimulus()

function barStimulus::barStimulus ( in  varargin)

Class constructor.

More detailed description of what the constructor does.

Parameters
argsare passed as a structure of properties which is parsed.
Returns
instance of opticka class.

Member Function Documentation

◆ animate()

function barStimulus::animate ( in  me)
virtual

Animate this stimulus.

Reimplemented from baseStimulus.

◆ colour2()

function set barStimulus::colour2 ( in  me,
in  value 
)

SET Colour2 method Allow 1 (R=G=B) 3 (RGB) or 4 (RGBA) value colour alpha will not be updated is RGBA is used.

◆ constructMatrix()

function barStimulus::constructMatrix ( in  me)
protected

constructMatrix makes the texture matrix to fill the bar with

Parameters
ppduse the passed pixels per degree to make a RGBA matrix of the correct dimensions

◆ draw()

function barStimulus::draw ( in  me)
virtual

Draw this stimulus.

Reimplemented from baseStimulus.

◆ getsfOut()

function barStimulus::getsfOut ( in  me)

sfOut Pseudo Get method

◆ makeCheckerBoard()

function barStimulus::makeCheckerBoard ( in  me,
in  hh,
in  ww,
in  c 
)
protected

make the checkerboard

◆ mix()

function barStimulus::mix ( in  me,
in  c 
)
protected

linear interpolation between two arrays

◆ refreshTexture()

function barStimulus::refreshTexture ( in  me)

Regenerate the texture for the bar, can be called outside of update.

◆ reset()

function barStimulus::reset ( in  me)
virtual

Reset the stimulus back to a default state.

Reimplemented from baseStimulus.

◆ scaleTexture()

function set barStimulus::scaleTexture ( in  me,
in  value 
)

scaleTexture set method

Parameters
scaleof texture
Returns

◆ set_alphaOut()

function barStimulus::set_alphaOut ( in  me,
in  value 
)

◆ set_colourOut()

function barStimulus::set_colourOut ( in  me,
in  value 
)

◆ set_scaleTextureOut()

function barStimulus::set_scaleTextureOut ( in  me,
in  value 
)

◆ set_sizeOut()

function barStimulus::set_sizeOut ( in  me,
in  value 
)

◆ set_xPositionOut()

function barStimulus::set_xPositionOut ( in  me,
in  value 
)

◆ set_yPositionOut()

function barStimulus::set_yPositionOut ( in  me,
in  value 
)

◆ setup()

function barStimulus::setup ( in  me,
in  sM 
)

Setup stimulus using a screenManager object.

Parameters
sMscreenManager object for reference

◆ update()

function barStimulus::update ( in  me)
virtual

Update our stimulus.

Reimplemented from baseStimulus.

Member Data Documentation

◆ allowedProperties

Property barStimulus::allowedProperties

◆ barHeight

Property barStimulus::barHeight

length of bar, inf = width of screen, if size is set this is overridden

◆ barWidth

Property barStimulus::barWidth

width of bar, inf = width of screen, if size is set this is overridden

◆ baseColour

Property barStimulus::baseColour

◆ colour2

Property barStimulus::colour2

for checkerboard: the second colour

◆ contrast

Property barStimulus::contrast

contrast multiplier

◆ family

Property barStimulus::family

◆ floatPrecision

Property barStimulus::floatPrecision

floatprecision defines the precision with which the texture should be stored and processed. 0=8bit, 1=16bit, 2=32bit

◆ ignoreProperties

Property barStimulus::ignoreProperties

◆ interpMethod

Property barStimulus::interpMethod

texture interpolation: 'nearest','linear','spline','cubic'

◆ interpMethodList

Property barStimulus::interpMethodList

◆ matrix

Property barStimulus::matrix

computed matrix for the bar

◆ matrix2

Property barStimulus::matrix2

for phase reveral of checkerboard

◆ modulateColour

Property barStimulus::modulateColour

modulate the colour

◆ optimizeForDrawAngle

Property barStimulus::optimizeForDrawAngle

optimizeForDrawAngle

◆ phaseCounter

Property barStimulus::phaseCounter

how many frames between phase reverses

◆ phaseReverseTime

Property barStimulus::phaseReverseTime

For checkerboard, allow timed phase reversal every N seconds.

◆ regenerateTexture

Property barStimulus::regenerateTexture

update() method also regenerates the texture, this can be slow, but normally update() is only called after a trial has finished

◆ scaleTexture

Property barStimulus::scaleTexture

texture scale

◆ screenHeight

Property barStimulus::screenHeight

◆ screenWidth

Property barStimulus::screenWidth

◆ sf

Property barStimulus::sf

sf in cycles per degree for checkerboard textures

◆ specialFlags

Property barStimulus::specialFlags

specialflags: 1=GL_TEXTURE_2D, 2=PTB filtering, 4=fast creation, 8=no mipmap, 32=no auto-close

◆ tempTime

Property barStimulus::tempTime

◆ texture2

Property barStimulus::texture2

for phase reveral of checkerboard

◆ type

Property barStimulus::type

type of bar: 'solid','checkerboard','random','randomColour','randomN','randomBW'

◆ typeList

Property barStimulus::typeList

◆ visibleFlip

Property barStimulus::visibleFlip

◆ visibleRate

Property barStimulus::visibleRate

turn stimulus on/off at X hz, [] diables this

◆ visibleTick

Property barStimulus::visibleTick

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