R: xy-position mapping between CSP-custom-device convention...
csplocmap
R Documentation
xy-position mapping between CSP-custom-device convention (William H Swanson perimeter) and visualFields convention for patterns of location
Description
A table with relevant information about test location data for each pattern of locations.
Usage
data( csplocmap )
Format
The structure saplocmap has 1 table for the test pattern sgrnfl. The table has six columns:
xod
stimulus x position
yod
stimulus y position
loc
sequential location number in the original device
size
size of the stimulus presentation
jmangle
angle of incidence in blind spot from Jansonious map
jmslope
orientation of an average bundle at that position of the visual field as calculated from the Jansonious map
region
region of the visual fields in comparison with ONH sector.
Author(s)
Ivan Marin-Franch
References
[1] N. M. Jansonius, J. Nevalainen, B. Selig, L. M. Zangwill, P. A. Sample, W. M. Budde, J. B. Jonas, W. A. Lagreze, P. J. Airaksinen, R. Vonthein, L. A. Levin, J. Paetzold, and U. Schiefer. A mathematical description of nerve fiber bundle trajectories and their variability in the human retina. Vision Research, 49, 2009.