The list should contain the following elements.
pathlist of (x,y) coordinates in degrees that is usable byxy.coords()imageimage[i]is the image to display (in a machine specific
format) in the section of the path specified bypath[i]..path[i+1].levelsifis.na(image)thenlevels[i]is the stimulus level in
cd/$\mbox{m}^2$in the section of the path specified bypath[i]..path[i+1]sizessizes[i]is the size of stimulus (diameter in degrees) to use
for the section of path specified bypath[i]..path[i+1], or a
scaling factor forimages[i].colorscolors[i]is the color to use for the stimulus in the section
of path specified bypath[i]..path[i+1].
Ignored if !is.na(image).speedsspeeds[i]is the speed (degrees per second) for the stimulus
to traverse the path specified bypath[i]..path[i+1]....machine specific parameters
Octopus 900{
x and y are in degrees, with precision to three decimal places recognised.
image is not possible on an Octopus 900.
levels are in cd/$\mbox{m}^2$, and are rounded to the
nearest one tenth of a dB for display.
colors are ignored. Use opiSetBackground() to alter stimulus color.
sizes are in degrees, but are round to the nearest Goldmann Size I..V for display.
}
Kowa AP 7000{
x and y are in degrees (precision?).
image is not possible on an Kowa AP 7000.
levels are in cd/$\mbox{m}^2$, and are rounded to the
nearest one tenth of a dB for display.
colors are ignored. Use opiInitialise() to alter stimulus color.
sizes are in degrees, but are round to the nearest Goldmann Size I..V for display.
}