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I think that plasma will except resolutions up to 1024x1024, but i'm not sure about that. My problem is that i have trouble realizing scale of my texture resolutions. I mean any type of measurement in blender is a bit ambiguous. right? I know that one blender unit is equal to 1 foot in uru, but how do you choose texture resolutions? Which is better to use (resolution) and when? Where ever possible i want to eliminate tiling by using larger textures.

bnewton81 wrote:I think that plasma will except resolutions up to 1024x1024, but i'm not sure about that. My problem is that i have trouble realizing scale of my texture resolutions. I mean any type of measurement in blender is a bit ambiguous. right? I know that one blender unit is equal to 1 foot in uru, but how do you choose texture resolutions? Which is better to use (resolution) and when? Where ever possible i want to eliminate tiling by using larger textures.

Okay, Plasma will except resolutions of 2048x2048. That's the max resolution that's Cyan's used in their files anyway. It may use larger, I don't know. But that's the biggest I've found that Cyan used. Blender's measurement is not needed to figure out what size your texture resolution should be. What you should focus on is what the texture will be used for and how much of it you want the player to see. For example, if you're using a texture for something small like a book. You won't need a high res texture. 256x256 will work just fine. However for landscapes like grass and rock you want to use a much larger res so that when you're close to it it won't look blurry and distorted. Also, you should use seemless textures as much as possible for landscapes and walls. In gimp there's an option in one of the filter menus that's called "make seamless" It might distort your texture a bit depending on how different the texture is at all four edges.

If you have Adobe Photoshop, there are even better methods for making the picture seamless. Judicious use of the "healing brush" tool is probably the best that I've found, although this does not work for repeating designs (i.e. a "lattice"-type of image). It works great for things like grass, stone, sand, thatch, etc. though.

I can make seamless textures in Photoshop. And yes the healing brush is required. It's something in the Filters menu that does it, but as i haven't been using Ps for a while i forget. Thanks for your great info Milano.

You might want to take a look into Genetica also:

http://www.spiralgraphics.biz/genetica.htm

I have the 2.5 pro version. Makes some outstanding textures.

You can get the free Genetica viewer here.

As I have mentioned before the name "viewer" surely must be the understatement of the year. The free version contains a huge selection from the full version library and it will render and save textures at any resolution up to 2048 x 2048. And as GPNMilano stated you will never need resolutions higher than that for Uru.
You can even make adjustments to the textures before saving them such as scaling, coloring and random seeding. In fact I own a few expensive Photoshop plugins that can do less than the free Genetica viewer.
With the full version of Genetica you get loads of options for editing and building your own textures from scratch. However, I have noticed that people who own the full version are often just using predefined library textures which they could have done just as easily with the free version.

D'Lanor wrote:However, I have noticed that people who own the full version are often just using predefined library textures which they could have done just as easily with the free version.

Yah, I've been guilty of that. But I do use some of the features to modify the library textures, like how the brick pattern looks, noise pattern, etc. However, if your budget is tight, and you'd just like a bunch of free textures, D'Lanor's option is perfect for you.

The skybox in Llantern is in the 4k x 1k range, in case you're wondering.

The next version of Llantern will feature a nice grid texture I made in Genetica!

To make ANY texture seamless in y or x or both directions.
with separared normal map,displacement map,specular map and diffuse map.
Pixplant is absolutely excellent!
You can download a 30 days trial here:
http://www.pixplant.com/

Thanks for the all the excellent info. I think i have a better understanding now. The rest will come with experience. I am downloading Genetica now. I'll give it a try. It sounds pretty cool.