Houdini Notebook

Notes: overall network: Create volume vel : import vel and startframe information from volume:

Go: Control each feather separately, not like a time offset of one feather. Notes: set up one single feather calculate base @v give @id...

init id_add: update id_add in dop network: Add polyline and smooth...

Go: Center out line growing; Accelerate in the beginning then slow down and stop at the end. All lines will move start from y=0 position,...