Normal map seam with xnormal

chrisCPO

hey guys i need some help with normal map seams in UDK.
I used xnormal to bake the maps which usually gets rid of seams, I also changed the textures settings to the correct ones inside of UDK but I am still getting seams, Any ideas? besides painting by hand?

I have not made a light map for the object yet or fixed the seams with the diffuse but there is a seam from the normal.

Great thanks

Quack!

Offset your overlapping UV's by 1.

Zocky

yep, that worked for me too....

chrisCPO

humm Quack what do you mean by off setting them, there are no overlapping faces?

Obscura

He meant you need to move out the another side of the model's uvs to the outer uv space before baking.

Zocky

Yeah, like, if you have mirrored geometry, and it's uv mapped to 0-1 on u and v, you would offset one half of model to 1-2 in units.

---edited--

Something like this:

chrisCPO

ok guys Im still a little confused, I see what you are talking about I am using max but i know how to move the UVs like that. So you want me to -1 them on the u and then bake them. I do have mirrored geometry but thats not where my seam is coming from. However I do not have it on the model for baking. I have a few pipes that I mirror on the UDK model. would the UDK model also have to have the uvs moved like that. I'm sorry I just have not heard of this before.

My UVs no overlapping faces.

Zocky

Also, iirc, one thing that also worked in past with me, was to check "invert green channel" on the property when importing normal map.....maybe you might want to try that one out aswell.....

chrisCPO

I do not see invert the green channel in UDK what version are you using?
normal as a diffuse, still looks like a bake issue to me.


The weird colors are from UDKS suggested settings

Zocky

Hm if that's just color map, then yeah i guess it is problem with the bake then....Can't you check the normal map itself in photoshop to see that?

EarthQuake

Invert the green channel in PS before importing.

chrisCPO

hey I Inverted the green channel work great Thanks guys!

.Wiki

Check the SRGB Setting in the texture Settings. You need to change this when you import normalmaps into UDK.

Edit: ahh i´ve seen that you already imported with udks settings.

Can you just post the normalmap image?

chrisCPO

I Inverted the green channel which seams to have fixed the normal map problem.

Thank you Zocky and EarthQuake