opiClose_for_MAIA: Implementation of opiClose for the MAIA machine.

In OPI: Open Perimetry Interface

Implementation of opiClose for the MAIA machine.

Description

This is for internal use only. Use opiClose() with these Arguments and you will get the Value back.

Value

A list with elements

• err, which is an error code, NULL for no error

• fixations, which is a matrix one row per fixation and four columns:

  • time (same as time_hw in opiPresent)

  • flags Bit 0(same as time_hw in opiPresent)

    • bit 0: 1 if the tracking event is valid (quality>threshold), 0 otherwise (in this case, x and y shall be =0)

    • bit 2: 1 if a stimulus was being presented during the tracking event, 0 otherwise

    • bit 3: 1 if the tracking was enabled during the tracking event, 0 otherwise

    • bits 16..31: ID of the stimulus being presented (if bit 2 == 1)

  • x (degrees relative to the centre of the image returned by opiInitialise - not the PRL)

  • y (as for x)

OPI documentation built on April 12, 2025, 1:24 a.m.