Ellipse Stimulus¶

Description¶

An ellipse stimulus

Signature¶

stimulus/circle

Required Parameters¶

x_size¶

Example:	`5.0`

Horizontal size (degrees)

y_size¶

Example:	`5.0`

Vertical size (degrees)

Optional Parameters¶

color¶

Default:	`1.0,1.0,1.0`

The color of the stimulus, expressed as a comma-separated list of red, green, and blue components with values between 0 and 1 (inclusive). The list can include variable names in place of explicit values, in which case the corresponding component value will be read from the named variable.

x_position¶

Default:	`0.0`

Horizontal center position (degrees)

y_position¶

Default:	`0.0`

Vertical center position (degrees)

rotation¶

Default:	`0.0`

Rotation (degrees)

alpha_multiplier¶

Default:	`1.0`

Controls the transparency of the stimulus. 1.0 is fully opaque, while 0.0 is fully tranparent.

deferred¶

Options:	`no`, `yes`, `explicit`
Default:	`no`

Controls when the stimulus is loaded. If no, the stimulus is loaded at experiment load time. If yes, the stimulus is loaded the first time it is queued. If explicit, the stimulus must be loaded explictly with Load Stimulus.