roman-martin

The example script given in #866 still has the same problem, despite a fix. Comment on the commit message of the fix: the aperture is not on 0 but off...

consider the following script: ``` //--------------------------------------------- //----Element definition----------------------- //--------------------------------------------- foil: collimator, apertype=circle, aperture={0.000005}, aper_vx:={-a,-a,k,k}, aper_vy:={-a,a,a,-a}; a = 1.0; k = 0.1; //--------------------------------------------- //----/Element definition---------------------- //--------------------------------------------- beam; testseq: sequence, l=4; foil,...