displacement shader problem on fractured object

[muzaffer]

Hi there

hoping someone on here could help me out for annoying problem. I have fractured objects with voronoi fracture and added displacement shader. I found a problem after renders done.

Problem is displacement texture is not stable and slightly jumping/sliding around every frame after fractured.

I added here houdini file.

thanks for help

rocktextureTest.hipnc

[Annon]

You need to add a restSop. Left side is your normal geo, right is a still frame of the geo (so add a timeshift node,remove the $F and set a frame number).

The shader might already be setup to look for a rest frame, if not you need to add a restSHOP in the shader, then it will use the point position from the rest instead of the moving points.

[muzaffer]

Thanks for replying me Christian,

I have done what you explain to me in geoSop level, just add timeshift node to restposition node and linked to right side

but still problem is there I might made a mistake, also I have resp pos node is shader network,

could you make simple network for me to see it what I am doing wrong.

thank you very much

[gui]

u should connect the rest sop in the surface context too. Now it works, but u still need to fuse the corners of the geo.

rocktextureTest.hipnc

Edited June 18, 2013 by gui

[muzaffer]

thanks Gui,

great