Not rendering like in iray preview mode

Illidanstorm

I have a scene where a character wears underwear. In Iray preview mode it looks perfectly fine but then when I render it in iray the underwear collides too much with the skin.

Here's a picture, I can't show the full picture because its NSFW. It also looks fine in the viewport under texture shaded. Why does that happen and what can I do about it?

 

KindredArts

It's either subD or displacement. Go to mesh resolution in the parameters tab whilst your character is selected, and change the mesh resolution to the viewport resolution (probably 1). If that doesn't work, turn off displacement in your surfaces pane.

JonnyRay

This can be caused by displacement (which is only calculated during rendering) if the figure has a displacement map, try reducing the strength.

Illidanstorm

Ok thanks it was the subD thing. Now it works

FSMCDesigns

If you want to keep the subd definition on your figure, apply a geometry shell to your clothing and add the same texture. Then play with the mesh offset values till it's not clipping any more.