I was wondering if there is a resolution value for images after they have been mapped for 3d objects. For instance I take an image that is square in shape and apply it to a rectangular face on an object I’ve just modeled. Is the resolution for that image reflected anywhere after it’s been applied to that object?
Suppose you have a rectangle and a square, both UV mapped to occupy the hole UV area… If you texture resolution is squared, it will be deformed on your rectangle. If your texture resolution as the same proportion as your rectangle, then it will show correctly there, but not on the square.
Of course, this doesn’t mean that you can have a squared texture applied to a rectangle or vice versa. Your texture can be already deformed to compensate the transformations performed in blender. Also, you can change the UVmap to correct any distortion.
About the resolution of the textures, they can be anything, thought it’s quite common (dued to GPU architecture) to have resolutions in the formula 2^n. (ie. 256x256, 1024x1024, 4096x2048, 512x128, etc)
I don’t understand though, I can modify the size of my texture to eliminate the deformation but if I don’t have a value to compare it to then I can’t fix the deformation or apply the right size normal map to give it height or depth.