Spread Transferred Attribute Over Time.

Forums Technical Discussion Spread Transferred Attribute Over Time.

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PradeepBarua: Member; 443 posts; Joined: Sept. 2012; Offline

March 4, 2013 2:30 a.m.

I have a animated sphere which is transferring Cd to a grid. To get trail of color, I used CHOP.
I got trail but that is static. I want to spread that trail over time like attached reference MOV.
I attached hip which I got so far.

Attachments:
reference.mov (989.3 KB)
attribute_spread.hipnc (87.9 KB)


zdimaria: Member; 390 posts; Joined: Jan. 2012; Offline

March 4, 2013 9:56 a.m.

cant open your file right now, but an easy way to do this is in a solver sop. just attrib transfer the geo back onto itself with a little bit of blending, and make sure your max sample count is higher than 1.


fxrod: Member; 133 posts; Joined: July 2005; Offline

March 7, 2013 7:16 p.m.

Here's a really good tutorial on how to do just that!

http://vimeo.com/15923642 [vimeo.com]

Francisco Rodriguez
Effects Animator | Walt Disney Animation Studios


PradeepBarua: Member; 443 posts; Joined: Sept. 2012; Offline

March 11, 2013 12:04 a.m.

Finally I did it. I used point cloud open VOP.
I find the trick in a handy example which comes with Houdini.

Attachments:
spreading_attribute_over_time.hip (223.4 KB)

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