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Hapke surface model (hapke)

Hapke surface model (hapke)#

The model uses 6 parameters:

    • w

    • spectrum or texture

    • \(0 \le w \le 1\).

    • P ∂

    • b

    • spectrum or texture

    • \(0 \le w \le 1\).

    • P ∂

    • c

    • spectrum or texture

    • \(0 \le w \le 1\).

    • P ∂

    • theta (degree)

    • spectrum or texture

    • \(0 \le w \le 90\).

    • P ∂

    • B_0

    • spectrum or texture

    • \(0 \le w \le 1\).

    • P ∂

    • h

    • spectrum or texture

    • \(0 \le w \le 1\).

    • P ∂

Implement the Hapke BSDF model as proposed by Bruce Hapke in 1984 (https://doi.org/10.1016/0019-1035(84)90054-X).

All parameters are required.