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Maxunderground news unavailable

smooth complex triangulated surface
show user profile  modeltheearth
I have recently returned to using max and the forum after a 2 year stint in management :/ (I couldn't remember my old login its been that long). Anyhow, I need some help with smoothing some complex imported triangulated surfaces. These were created in a geological modelling package based on drilling data so I cant change the modelling workflow. I have to try to deal with them once they are in Max.

The simpler surfaces (red in below image) have on the order of 15000 vertices and smooth nicely if I use the welder modifier and then turbosmooth with default settings after I import them. The more complex surface (yellow) has 230000 vertices and I cant seem to smooth it using the same workflow as above. Is this a complexity issue? I have tried mucking about with the weld and turbo smooth parameters but it seems to slow things down without making any difference to the result.

I tried searching here but couldn't find much on this. Sorry for the noobish question, just trying to remember how to do all this stuff.

Image is at:

Any suggestions?

Thanks!

Tim
read 757 times
2/24/2011 5:34:59 AM (last edit: 2/24/2011 5:45:47 AM)
show user profile  jareu
have you tried adding a smooth modifier? number of faces is more important then number of vertices, and i wouldnt be adding a turbosmooth because it would just turn into a nightmare.



He who says it cannot be done is interrupting the man doing it.

read 750 times
2/24/2011 6:04:01 AM (last edit: 2/24/2011 6:05:28 AM)
show user profile  modeltheearth
Thanks jareu. Yeah I have tried the smooth modifier and played around with the threshold but similar result. And it was 237000 faces and 276000 vertices.

Ill keep trying, thanks.
read 738 times
2/24/2011 6:49:22 AM (last edit: 2/24/2011 6:49:22 AM)
show user profile  jareu
these are the steps i would be taking, convert to poly, select all polys, clear all smoothing groups, assign all a single smoothing group.

should take care of it.

Not to insult your intelligence, but you do realize that turbosmooth, meshsmooth and smooth are 3 different modifiers?



He who says it cannot be done is interrupting the man doing it.

read 732 times
2/24/2011 8:21:15 AM (last edit: 2/24/2011 8:21:15 AM)
show user profile  LionDebt
Is your mesh 100% triangles or are there some quads in it also? It looks to me like there are some quads.

Anyways, I've tried to recreate your problem and have bash at solving it. I took a geosphere, applied some noise, some bend, some stretch, some more noise and then converted it to editable poly. Turbosmooth looked horrible, but do as Jareu says - select all the polygons, put them in 1 smoothing group. Done.

Edit: I did make a jing (video) showing you how to do this, but my account limit has been reached for the month so I can't upload it!
read 720 times
2/24/2011 11:39:33 AM (last edit: 2/24/2011 11:40:06 AM)
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