In this mask

• outer waters are coded at 1 (blue)
• lagoon waters are coded aat 2 (green)
• but part of the lagoon is coded at 3 (red): this shall allow to restrict data extraction to the blue area when/if desired.
• Land is coded at 248 (brown)

In this mask
 

• Shallow areas are coded at 1 (green), which actually surround foul wavebreakers areas
• But most shallow pixels are coded at 2 (blue): this shall allow to restrict data extraction for the BPL to the blue area as required.
• Land is coded at 248 (gray)
• Some bare land is coded at 21 (pink): this shall be used for the extraction of the Soil Line.
• Deep waters are coded at 240 (dark purple): this shall be used to force the result of modeling to deep waters.

In this mask
 

• Shallow areas are coded at 1 (green), which actually surrounds the "bump" area.
• But most shallow pixels are coded at 2 (blue): this shall allow to restrict data extraction for the BPL to the blue area as required.
• Land is coded at 248 (gray)
• Some bare land is coded at 21 (pink): this shall be used for the extraction of the Soil Line.
• Deep waters are coded at 240 (dark purple): this shall be used to force the result of modeling to deep waters.
• A very small cloud is coded at 234 (dark red).
• Lumps of haze are coded at 20 (white), in order to enable deglinting at such specific locations as required.

In this mask

• Shallow areas are coded at 2 (blue).
• But a nearshore stripe is coded at 1 (green).
• Land is coded at 248 (brown)
• Some bare land is coded at 21 (yellow): this shall be used for the extraction of the Soil Line.
• Deep waters are coded at 240 (dark blue): this shall be used to force the result of modeling to deep waters.