$ global name=concurrency1
$ scene1 visualization=../TransAtlas.vmd 

# scene1

! below, one 1080 deg rotate is split into four equal parts,
! two of which are concurrent with zooming in/zooming out
! fraction=:0.25 is equivalent to 0:0.25

rotate    angle=1080 axis=y sigmoid=sls t=2s fraction=:0.25
{rotate   angle=1080 axis=y sigmoid=sls t=2s fraction=0.25:0.5;
 zoom_in  scale=3}
{rotate   angle=1080 axis=y sigmoid=sls t=2s fraction=0.5:0.75;
 zoom_out scale=3}
rotate    angle=1080 axis=y sigmoid=sls t=2s fraction=0.75:
