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Step 4: Looking good? Well, not really...    To see why, lets resize the picture and add it into our 3D program to get a better view.

Step 5 - Detecting Irregularities
Can you notice what is wrong? Well, let me tell you: The most ironic characteristic of a high-quality pattern is that it simply cannot have any pattern. Complex textures can't LOOK like patterns - they must resemble something completely natural, fresh, and asymmetrical. To clarify these points, lets look at our texture in a 3D package:

Step 6: Now, that is what I would call a nice sample of a magnificent grass texture and... oh, wait, what's this?  Ah-ha! This is the problem. See these black, darkened shapes and forms? This, my friend, in terms of game industry, is a big NO-NO!   Imagine seeing these artefacts repeated dozens of times while looking at the grass. If seeing them repeated 4 times is already bad enough, imagine seeing them spread infinitely across textured hillsides - Now that's GOTTA be disturbing!

Step 7: I have selected "artefacts" in the image to show objects that can ruin the end result. The upper area is full of these darker areas, and there is a weed in the circle that can completely destroy all chances of getting good patterns. The lower area also expresses a different contrast than the upper area, which can mess things up further.  There are two options open to us - We can just select a smaller area, or clean the image up using the Clone Stamp tool. This will only take a few moments, after which you should run the pattern maker again. The corrected texture should come out looking a little like this:

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