• Contents
  • Search
  • General Structure of ERTS Script Files
    • Order of commands
    • Command argument separators
    • Comments and empty lines
    • Default arguments
    • Identifiers
    • Variable Arguments
    • Reserved Names
    • Keyboard Names
  • Global System Commands
    • MAPFB
      • FC1 .. FC4
    • MAPKEY
      • Symbol
    • PARAMETER
      • Name
      • Value
    • SCREENAREA
      • Width
      • Height
    • SCREENCOLOR
      • Foreground
      • Background
    • SETRSEED
      • Seed
    • SETSYNC
      • Mode
    • SETURL
      • Format
  • Data Commands
    • AREA
      • Width
      • Height
    • COLOR
      • Name
      • Model
      • Color Definition
        • (R): RGB-Model
          • Parameter: R G B
        • (H): HSV Color Model
          • Parameter: Hue Saturation Value
        • (I): RGB-Intensity level
          • Parameter: R G B
    • FONT
      • Name
      • FontName
      • Height
      • Line Spacing
      • Weight
      • Style
      • Variant
      • Family
    • KEY
      • Name
      • Key Definition
    • PICTURE
      • Name
      • Type
      • Picture Definition
        • (N): Picture Name
        • (T): Multi Line Text
        • (P): Pixel Block
        • (B): Monochrome Bitmap
        • (G): External Graphics File
        • (V): External Video File
        • (D): Draw Picture
        • (R): Rotated Picture
        • (C): Picture Concatenation
        • (O): Gabor Patch
    • POSITION
      • Name
      • Type
      • Position Definition
        • (P): Point
        • (): Relative Position
        • (L): Line
        • (V): Vector
        • (C): Circle
        • (M): Matrix
        • (J): Join Positions
    • SET
      • Name
      • Type
      • Set Definition
    • STAIRCASE
      • Name
      • Target
      • N_error
      • N_corr
      • StepRatio
      • CutHalf
      • StartOnTurn
      • N_Turns
    • TONE
      • Name
      • Type
      • Tone Definition
        • (B): Beep tone (chrome only)
        • (S or A) External Audio File
    • VOICEKEY (chrome only)
      • Word
      • KeyName
  • Procedural Commands
    • TRIAL
      • Name
      • Trial Definition
    • BLOCK
      • Name
      • N(Factor)
      • Block Definition
        • TrialID
        • N (Weight)
        • Trial
        • VarArgList
    • SESSION
      • Comment
      • Session Definition
  • Trial Commands
    • Variable Arguments
      • Index
      • =Label
    • Visual Presentation
      • CS  (Clear Screen)
        • Time
        • RndTime
        • Cancel
        • RndMode
      • CA  (Clear Area)
        • Area
        • Position
        • PosNo
        • Time
        • Cancel
      • SP  (Show Picture)
        • Picture
        • Position
        • PosNo
        • Time
        • Cancel
        • Color
      • LV  (Load Video)
        • Picture
        • Position
        • PosNo
        • Duration
        • Cancel
        • StartTime
        • EndTime
      • PV  (Play Video)
        • Time
        • Cancel
    • Screen Operations
      • '+'  (Add Picture)
        • Trial Command
      • '&'  (Concatenate Picture)
        • Trial Command
    • Pre-Loading Screen Images
      • LI  (Load Off-screen Image)
        • RenderingMode
      • TI  (Transfer Image)
        • Time
        • Cancel
      • SI  (Save Image)
        • Picture
    • Auditory Presentation
      • ST  (Start Tone)
        • Tone
        • Time
        • TurnOff
        • Cancel
      • CT  (Clear Tone)
        • Tone
      • WT  (Wait for Tone)
        • Tone
    • Response Registration
      • RK (Record Key)
        • Key
        • MaxRt
        • N(Keys)
        • SKey
        • EndKey
        • Echo
        • Reset
      • WK  (Wait Key)
        • Key
      • GR  (Generate Response)
        • Key
      • TL  (Tap Location)
        • Position
        • KeyTbl
        • Width or Radius
        • Height
        • FreeOnly
        • PicFilter
      • TP  (Tap Pictures)
        • Mode
      • VK (Activate Voicekey)
        • VoiceKey
        • PicSet
        • Match
        • EchoLine
    • Response-dependent action
      • FB  (Feedback)
        • CorrKey
        • CorrN
        • CompMode
        • RtMin
        • RtMax
        • RtMode
        • KeyIndex
        • Feedback Actions
        • FBClass
        • Trial Command
      • OK  (On Key)
        • CompMode
        • KeyIndex
      • ET  (End Trial)
        • EndMode
        • Record
        • Trial
      • GT  (Go to Trial)
        • JumpMode
        • Index
        • Record
      • GL  (Go to Session Label)
        • Label
        • EndMode
        • Record
    • VAS and Likert Scales
      • DS  (Define Scale)
        • ScaleType
        • Distance
        • MinVal
        • MaxVal
        • DefVal
        • LogMode
      • SS  (Show Scale)
        • Position
        • Labels
        • Font
        • TextColor
        • ScaleColor
      • GS  (Get Scale Rating)
        • Keys
        • Position
        • Labels
        • Font
        • TextColor
        • ScaleColor
    • Nested Trial Execution
      • RT  (Run Trial)
        • Trial Definition
        • Loops
        • Cancel
        • RndLoop
        • VarArgList
      • IT  (Include Trial)
        • Trial Definition
        • Count
      • SW  (Single Word Presentation)
        • Picture
        • Mode
        • CritWord
        • Delim
        • CharTime
        • SWtrial
        • VarArgList
    • Random Screen Positions
      • FP  (Fill Positions)
        • Picture
        • Position
        • PosNo
        • Time
        • Set
        • N(Pos)
        • Cancel
        • Color
        • FillMode
        • Exclude
      • LP  (Load Position)
        • Picture
        • Position
        • PosNo
        • Cancel
        • LoadMode
        • Memo
        • Color
      • MP  (Mix Positions)
        • Position
        • MixMode
        • Parallel
      • RP  (Reset Position)
        • Position
        • Mode
      • KP  (Keep Position)
        • Keep
    • Set Operations
      • DE  (Draw Element from Set)
        • Set
        • Object
        • Remove
        • Repeat
        • Parallel
        • Index
      • GE  (Get Element from Set)
        • Set
        • Object
        • Mode
        • Index
      • IS  (Initialize Set)
        • Set
        • Empty
      • RE  (Remove Element)
        • Set
        • Object
    • Update Data Objects
      • UC  (Update Color)
        • ColorName
        • Mode
        • Hue
        • Saturation
        • Value
      • UP  (Update Position)
        • Position
        • Mode
        • X
        • Y
        • Index
      • UT  (Update Tone)
        • Tone
        • Mode
        • Pitch
        • Volume
        • Location
      • UK  (Update Key Definition)
        • Set
        • Key
        • From
        • To
        • Reset
      • AO  (Assign Object)
        • Type
        • Source
        • Destination
      • PS (Split Picture into Set)
        • Picture
        • Set
        • Mode
    • System related Commands
      • AP  (Align Picture)
        • Horizontal
        • Vertical
      • SA  (Set Screen Area)
        • Width
        • Height
      • SC  (Set Color)
        • Foreground
        • Background
      • SE  (Set Echo)
        • Position
        • PosNo
        • Font
        • Case
        • Fill
        • Length
        • Align
        • TextColor
        • FillColor
      • SF  (Set Font)
        • Font
      • SO  (Set Overlay)
        • Trial
        • VarArgList
      • SR  (Set Rotation)
        • X-Axis
        • Y-Axis
        • Z-Axis
      • SV  (Set Volume)
        • Volume
      • TS  (Test Speed)
        • Mode
  • Session Commands
    • Trial and Block Execution
      • RUNBLOCK | RUNBLOCKW
        • Block
        • N
        • RndMode
        • RepMode
        • Record
      • RUNTRIAL
        • Trial
        • VarArgList
      • LABEL
        • Name
    • Moderators for block execution
      • DROPOUT
        • DropMode
        • RepeatMode
        • FB?
        • FBindex
      • MAXERROR
        • TrialWindow
        • Percent
        • FBn
      • MAXTRIAL
        • MaxTrial
        • Trial
        • VarArgList
      • MAXTIME
        • MaxTime
        • InsertTime
        • AbortMode
        • Trial
        • VarArgList
    • Staircase
      • INITSCASE
        • Name
        • StartVal
        • MinVal
        • MinVal
        • StepUpSize
        • StepDownSize
        • Percentage
      • USESCASE
        • Name
        • Index
        • BlkStart, BlkStep, BlkEnd
        • FB?
    • System-related commands
      • SETCOLOR
        • Foreground
        • Background
        • BackImage
      • SETECHO
        • Position
        • PosNo
        • Font
        • Case
        • FieldChar
      • SETFONT
        • Font
        • LineSpace
        • CharSpace
      • SETOVERLAY
        • Trial
        • VarArgList
      • SETSYNC
        • Mode
  • Expressions
    • Data Commands for Expressions
      • VARIABLE
        • Name
        • Log
        • Value
      • EXPRESSION
        • Name
        • Flow
        • ExpressionBlock
          • Expression
        • FlowModel
    • Trial Commands for Expressions
      • EX  (Execute Expression)
        • Expression
        • VarArgList
      • OE  (On Expression)
        • Expression
        • VarArgList
        • Condition
        • Action
    • Expression Language Reference
      • Operators
      • Single argument operators
      • Predefined Functions
      • Constants
    • ERTS Language Extensions
      • @variable
      • @?
      • set_fb(category)
      • add_sample(sample, value [, size])
      • get_sample(sample, stat)
      • reset_sample(sample [, destination]
      • numform(value,  decimal_places [, leading_zeros])
      • random([maxval])
      • timer(action, [name])
      • is_mobile()
      • is_touch()
      • xp_dist(x1,y1,x2,y2)
      • xp_angle(x1,y1,x2,y2)
      • get_free_pos(position)
      • get_rsp(property)
      • get_trl(property)
      • get_ses(metric)
      • get_blk(metric)
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