Landscape texture

anonymous_user_9265e017 · March 25, 2014, 11:29am

Hi

I have a landscape and a single texture to cover it all.
When I apply the texture to the landscape, it tiles it thousands of times… I just want it one time, over the entire landscape.

I know this is not the proper way to do a detailed landscape, I’m just learning, and this is a step I need to take.

Can someone point me in the right direction?

anonymous_user_923c79df · March 25, 2014, 11:44am

Use a landscape layer coord to scale it up:

(1:30)

anonymous_user_9265e017 · March 25, 2014, 12:00pm

That worked.

To other newbies who might search and find this thread;

You have 3 things in the material editor for the landscape material. LandscapeLayerCoords, which outputs into the left side of a TextureSample, which goes into the Base Color on the material itself.
Set the Mapping Scale on the coordinates to the resolution of your texture.

Arendt · March 25, 2014, 1:52pm

Remember to always set the texture mapping scale to the size of your landscape , if you have 2017 landscape , then set mapping scale of your texture to 2017 even if its 4096 resolution it doesn’t matter .

anonymous_user_9265e017 · March 25, 2014, 2:13pm

Yes, this is important… I had 4096 set on my 4033 map… it made it a tad better when I fixed this. Thanks

Now on to remove the shine from the landscape. Any pointers?

anonymous_user_2e3275f0 · March 25, 2014, 2:20pm

Make sure the material is 0 metallic and 1 roughness?

That should do it I believe, from the videos I’ve watched.

anonymous_user_923c79df · March 25, 2014, 2:21pm

You have to set the specular to 0 (constant node)

anonymous_user_9265e017 · March 26, 2014, 5:15pm

Thanks.

As a side note… this is so much more logical than Unity.

koko2015 · April 1, 2014, 11:02am

Cool. This is exactly what I need.

Daedalus51 · April 1, 2014, 12:05pm

Whaaa…please dont do this

I mean you can, but its a hack Just make a proper roughness or increase roughness to 0.85 with a constant. Touching Spec is actually not recommended since it does something completely different in pbr than you are used to from traditional shading approaches

anonymous_user_50a0b22d · April 1, 2014, 2:31pm

Whilst this is basically true there are some situations where you would need to break the rules.
I found myself setting the specular close to zero (roughness close to 1 at the same time) for a landscape with only basic colors / no normal maps. The ground on this one does not look like grass at all, does it? ://abload.de/img/ue4_envlandscape_002nwux9.jpg

anonymous_user_923c79df · April 1, 2014, 2:37pm

Yep, same here, I also get a pretty non-realistic result when I do it with roughness and specular -> that’s why I have set the spec to 0 (since the beta I’m doing it like that)

jwatte · June 1, 2014, 1:02am

Why not? A specular exponent of 0 in a Phong-style specular would be “bad” but a specular multiplier of 0 should be fine; it’s just like a black gloss map.
I’d be more concerned with setting roughness to 0 to “turn off” specular – that sounds to me like more of a hack, because you’re still saying “generate a bunch of specular, and then spread it out over an infinitely large highlight area.”
Is there some documentation that suggests why this understanding would be wrong?

anonymous_user_081eaf41 · December 30, 2014, 11:40pm

What is wrong with this: ://gyazo/0933eb6dfe9e36d30760b6096b1ea1d6 ?

anonymous_user_923c79df · December 30, 2014, 11:59pm

What exactly do you mean?

When you are not abel to paint onto your landscape, you will have to add landscape layer weights https://docs.unrealengine/latest/INT/Engine/Landscape/Materials/index.html

Havoc · December 31, 2014, 12:03am

The only way I’ve seen good results for landscape is by setting spec/metallic to 0, and by setting roughness to/near 1.

anonymous_user_081eaf41 · January 3, 2015, 6:12pm

What I mean is that it still tiles hundreds of times even with that setup.

anonymous_user_923c79df · January 3, 2015, 6:49pm

Just increase the size -> should be the size of the texture (or even larger) Also use the “LCCT None” as Custom UV Type

anonymous_user_c44ea37c · December 20, 2015, 2:14pm

You can multiply coordinates by some small number I think, also here is an issue with painting over the landscape I have run into and found a solution, I hope this helps someone:

If you get black spots all over your terrain where some textures won’t load properly or if you are seeing blocky edges where textures should blend:

change all layers in your layer blend node in your landscape material to weight blend, that makes painting a landscape work as one would intuitively expect more or less.

EDIT:
The above solution works to reduce texture samples to minimum, but the problem with only being able to paint few layers per Component of a landscape actor persists, anyone know a solution? I am getting black spots where the layers blend with more than 3 on a single landscape component. Can I at least make the last applied layer override the lowest one somehow?

blindminds · November 15, 2019, 10:06pm

This helped except one thing, my texture is not square, how do I set a custom x and y scale?