Forums Technical Discussion how to get the coordinate use a curve's u position?

how to get the coordinate use a curve's u position?

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flyingc
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hi,everybody.

I try to move a primitive along a path , so i want to use u position to set the position of the primitive

how to get the coordinate?
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jason_iversen
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You could look at the Align SOP.

Or, Carve SOP (Extract) a point off your curve and then Copy SOP to it?
Jason Iversen, Technology Supervisor & FX Pipeline/R+D Lead @ Weta FX
also, http://www.odforce.net [www.odforce.net]
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jesta
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Look at the path object.
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flyingc
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Thank you two,
I think that Using Carve is a good idea

Use arclen() function ,I can get the length of a curve, is there any way to use expression to get the coordinate?
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