Exocentric pointing in depth

A. van Doorn, J. Koenderink, A. Kappers, M. Doumen, J. Todd
2010 Journal of Vision  
An exocentric pointing task was used to compare the indicated pointing directions under exchange of target and pointer. Such a pair of pointing directions, together with the pointer and target locations, specifies a unique cubic arc.
doi:10.1167/7.9.288 fatcat:t63h65fd2zchlmausn6m5j2hsq