> 1) where is the structure 'st' defined for the first time > (which file etc.) spm_orthviews.m > 2) where, in the code, are the Blue cross hair lines are plotted over the > orthogonal display The crosshair objects are defined in lines 595-601 of spm_orthviews.m. Switching between visible and invisible is done between lines 462-477. Best regards, -John -- Dr John Ashburner. Functional Imaging Lab., 12 Queen Square, London WC1N 3BG, UK. tel: +44 (0)20 78337491 or +44 (0)20 78373611 x4381 fax: +44 (0)20 78131420 http://www.fil.ion.ucl.ac.uk/~john