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 Post subject: displacement behaviour
PostPosted: Thu May 29, 2008 4:41 pm 
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Joined: Thu Mar 17, 2005 9:21 am
Posts: 130
Location: Hamburg / Ger
When I saw Kurt's steel rope on the materials board I felt like trying to create a bit more used one myself. On the standard model the result looked quite ok, but when I applied Kurt's and my material each to a simple pipe the displacement went mad. What's wrong with my files?

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tok


Last edited by tok on Wed Jun 04, 2008 12:12 pm, edited 1 time in total.

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 Post subject:
PostPosted: Thu May 29, 2008 4:57 pm 
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Joined: Thu Apr 20, 2006 7:02 pm
Posts: 1430
Location: outside
Hi tok,

the main problem is that you did not subdivide your model. The triangles are very, very long - and will require extreme precision values and rendering times to look good. Open the file in Studio and enable "hidden line" to see the triangles. (The view mode "Hidden Line" is the only view mode that unhides the triangles. :?)


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PostPosted: Thu May 29, 2008 5:13 pm 
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Joined: Thu Mar 17, 2005 9:21 am
Posts: 130
Location: Hamburg / Ger
The long triangles again - sigh ... I really must get rid of Sketchup, but did not have the time yet to try something new.

Thank you, Kurt!

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 Post subject:
PostPosted: Fri May 30, 2008 10:39 am 
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Joined: Wed Oct 19, 2005 7:06 am
Posts: 1708
Location: Leeds, UK
I had the same problem with my tests for this mxm.

Drop the offset to 0.000 and lower the displacement height, to match the scale of your 'rope' object. The displacement map in the mxm has a high white value, which if you clamp it in Photoshop to 200 using 'Levels' you will get a result that doesn't invert the mesh as much during displacement.

Also as said above, sub-divide the object too.


Tim.

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