Color adds visual dynamic range to seismic data, thus permitting the interpreter to see important detail which otherwise would be missed. Variable-intensity color is needed rather than variable-area/wiggle (see attached figure) for four reasons:

All logic and intuition in color usage come from the color cube, and good color schemes are based closely on it. Contrasting color schemes are used for maps and gradational color schemes for data. A double-gradational color scheme enhances high-amplitude events and is particularly applicable to recognizing hydrocarbon effects and studying reservoir reflections. A single-gradational color scheme, on the other hand, enhances low-amplitude events and is...

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