-i lines_msmblur.xml
-vp 1.527208567 0.5245909691 1.346531391 -vi 0.7754056454 0.5047085881 2.021505117 -vu 0 1 0 -fov 90
--dirlight -1 -1 1 30 30 30
--compare-threshold 64   # requires larger threshold because of unstable hit at line segment end points
