Distribution of the absolute magnitude of the cosine of the angle between the line of sight (l.o.s.) and various objects. In dashed green we show the angle between the l.o.s. and spiral galaxy spin normal. In dash-dotted blue we show the angle between the l.o.s. and the filament spines used (namely those filaments with galaxies in the SGA). In solid red we show the angle between the l.o.s. and all the filament points from the Bisous process (see Tempel et al. 2016b).