Normalmap problem

GhostInTheShell · Apr 2016

Hi guys, i'm having a problem with normal map, i'm sending a print of the problem, because i really don't know what is happening, i'm using maya and Xnormal, the bump node is in tangent space normals, if you guys could help me, i would be very gratefull.

-Ghost

Image: http://puu.sh/o5XGc/4482cc2220.jpg

Sajeet · Apr 2016

try to raise the bit depht on the normal map in Xnormal

GhostInTheShell · Apr 2016

i didn't find the depht in xnormal, i tryied to lower the dephts bump in maya, but it not worked very well (this is the configuration of my xnormal) and i put my maximum frontal and maximum rear ray distance 1.0

Image: http://puu.sh/o61d5/de6dc380fb.png

Bartalon · Apr 2016

I know you said your bump node is set to Tangent Space, but humor me and double check. It looks like you have other problems at play here as well. Make sure your high poly mesh normals are set to average (in the High Resolution tab of xNormal) and make sure your Y swizzle is baking in the correct direction for Maya.

GhostInTheShell · Apr 2016

yeah, i changed here for average normal and i checked my swizzle and nothing changed, i tryied to change de swizzle here just for check, but nothing... those stains remain =|

Image: http://puu.sh/o63On/af61d4b82e.jpg

EarthQuake · Apr 2016

This looks like you're either loading a normal map into a bump map slot or a bump map into a normal map slot. Post your normal map here so we can see what it looks like.

GhostInTheShell · Apr 2016

i'm using the normal map in the bump mapping slot of the lambert and setting in Tangent Space Normals

Image: https://us.v-cdn.net/5021068/uploads/editor/mq/ue2ddx9a7k5q.png

Joopson · Apr 2016

Yeah, knowing Maya, I think you have the normal map plugged in incorrectly. If it isn't that, it's not an issue I've ever seen.

GhostInTheShell · Apr 2016

Joopson · Apr 2016

Is there any reason you're using the node editor instead of just the attribute editor? I don't know how that stuff works, but plugging it into the material using the built-in interface is super easy.

GhostInTheShell · Apr 2016

i used the attribute editor, i was just showing the connections lol

Treidge · Apr 2016

Maybe you should check the file node and look for the Color Space attribute. I believe it should be set to Raw for normal maps?..

GhostInTheShell · Apr 2016

yes, i already set the color space to raw, but nothing changed

Treidge · Apr 2016

Hm, this is strange. I've applied your normal map to a sphere and definitely can see this specific pattern when my bump node was set to Use as: Bump (to the left). When I did a switch to Use as: Tangent Space Normals, it started to look like on the right. Maybe something is messing with your settings?

Image: https://us.v-cdn.net/5021068/uploads/editor/ce/8m504cdmsfyk.jpg

GhostInTheShell · Apr 2016

i really don't know what might be, in the viewport here i see the same as you when i change to bump and tangent space, but when i render with maya software i get that resut, i'm upping the model for you to see

low poly> (it's only 65K, i overwrite the low, so i using it for the time being just for test)
https://www.dropbox.com/s/4tnnx5a8ab9ykic/NEW BODY TEST.OBJ?dl=0

Treidge · Apr 2016

I believe your problem is with Maya Software renderer — to my knowledge it has poor suppor for normal maps. There are multiple threads with similar issues on different websites dating many years back. Don't know, though, if there is an actual workaround for Maya Software. Do you have an option of using a different renderer for your work? Maya Hardware 2.0 or mental ray should render your normal maps just fine.

GhostInTheShell · Apr 2016

i will try download the mental ray here to teste, in the 2013 it come together, but now when i downloaded the 2016 it didn't came

GhostInTheShell · Apr 2016

Good news guys, i donloaded the mentalray, after fix the black screen bug, i rendered it in mentalray and it worked, the problem problaly is because maya software don't support normalmap =|, thanks everyone for the help

-Ghost

Joopson · Apr 2016

So, did it look alright in the viewport, and this issue was only when you rendered it?

GhostInTheShell · Apr 2016

in the viewport looks like this, i don't know if the lines of UV appearing it's normal, but in the render it's working

Image: http://puu.sh/o7lBL/6822b1ee1a.jpg

and this in mentalray (some distortions is because i made some alterarions in the UV) but yeah, i guess it's working

Image: http://puu.sh/o7lHO/7380599961.jpg

EarthQuake · Apr 2016

The normal map itself looks really strange, almost like there is no difference between the highpoly and the lowpoly so the majority of the map is flat 127,127,255. What do your high and low poly meshes look like?

GhostInTheShell · Apr 2016

i was trying to do some wrinkles and other details with normal map, so i found that ugly result, so i was using the neutral expression to get a better vision of the problem

Normalmap problem

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