Issue with UV transform

Hello! I looked at an example of how works UV transform. This looks great for me, but when I comment this line texture.wrapS = texture.wrapT = THREE.RepeatWrapping; I see this picture:
How to remove the texture trail that is left behind? What would it be instead of bands just black or white background. Much thanks and sorry for my google translation english

Well, this is the intended result when wrapS and wrapT are set to THREE.ClampToEdgeWrapping (the default value of both properties).

You can try to apply a 1px wide black border to the texture.

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