Overview

The OCTA Python toolbox was created by Van Geert, Bossens, and Wagemans (2021) as a tool for researchers to create stimuli varying in order and complexity on different dimensions.

Stimulus types

Stimulus, Grid, Outline, Concentric

Position patterns

CreateRectGrid, CreateSineGrid, CreateRandomPositions, CreateCircle, CreateShape, CreateCustomPositions

Feature patterns

RepeatAcrossElements, ElementRepeatAcrossElements, MirrorAcrossElements, GradientAcrossElements, RepeatAcrossRows, ElementRepeatAcrossRows, MirrorAcrossRows, GradientAcrossRows, RepeatAcrossColumns, ElementRepeatAcrossColumns, MirrorAcrossColumns, GradientAcrossColumns, RepeatAcrossLeftDiagonal, ElementRepeatAcrossLeftDiagonal, MirrorAcrossLeftDiagonal, GradientAcrossLeftDiagonal, RepeatAcrossRightDiagonal, ElementRepeatAcrossRightDiagonal, MirrorAcrossRightDiagonal, GradientAcrossRightDiagonal, RepeatAcrossLayers, ElementRepeatAcrossLayers, MirrorAcrossLayers, GradientAcrossLayers, TiledGrid, TiledElementGrid, RandomPattern

Features

Shapes

Ellipse, Rectangle, Triangle, Polygon(), RegularPolygon(), Path(), PathSvg(), Image(), FitImage(), Text()

Deviations

Position deviations

SetPositionJitter(), SetPositionDeviations()

Element deviations

remove_elements(), randomize_elements(), swap_distinct_elements()

Feature deviations

swap_distinct_features(), AddNormalJitter(), AddUniformJitter(), RandomizeAcrossElements(), RandomizeAcrossRows(), RandomizeAcrossColumns(), RandomizeAcrossLeftDiagonal(), RandomizeAcrossRightDiagonal(), set_element_shapes(), set_element_boundingboxes(), set_element_fillcolors(), set_element_orientations(), set_element_borderwidths(), set_element_bordercolors(), set_element_opacities(), set_element_mirrorvalues(), set_element_links(), set_element_classlabels(), set_element_idlabels()

Measurements

Order measures

GetPatterns(), GetPatternTypes(), GetPatternDirections(), CheckPatternCongruency(), CheckPatternTypeCongruency(), CheckPatternDirectionCongruency(), CalculatePatternCongruency(), CalculatePatternTypeCongruency(), CalculatePatternDirectionCongruency(), CalculatePatternDeviants(), CalculatePositionDeviants()

Complexity measures

CalculateElementsN(), CalculateElementsLOC(), CalculateElementsLOCE(), CalculateElementsLOCI()

Output options

Show(), GetSVG(), SaveSVG(), GetJSON(), SaveJSON(), LoadFromJSON(), SavePNG(), SaveJPG(), SavePDF(), SaveTIFF()