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By default, the First color runs vertically along the left side and changes to the Second color along a left-to-right vector. To change this vector, click the icon with the three dots.
Define the new vector on the screen. The first point of the vector controls where the First color appears.
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By default, the Center color runs vertically and horizontally to either side. To change this vector, click the icon with the three dots.
Define Define the new vector on the screen. The first point of the vector controls where the Center color appears. The second point of the vector controls the angle of the four lines.
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