flowchart BT
    %% List of use cases with labels
    1.1((DPPS-UC-120-1.1\nPerform Molecular\nAtmospheric Calibration)):::done
    1.2(DPPS-UC-120-1.2\nCompute 12-MACOBAC):::done
    1.3(DPPS-UC-120-1.3\nSelect reference atmospheric profile):::done
    1.5(DPPS-UC-120-1.5\nRetrieve meteorological data):::done
    1.6(DPPS-UC-120-1.6\nCalculate contemporary molecular density profile):::done
    1.8(DPPS-UC-120-1.8\nCreate/update atmospheric profile pool):::done
    1.7(DPPS-UC-120-1.7\nCreate input for tailored simulations):::done
    1.10(DPPS-UC-120-1.10\nRequest of atmospheric reanalysis data for reference atmospheric profiles):::done

    %% Relations between use cases
    1.2 --> 1.7
    1.2--> 1.8
    1.8 --o 1.3
    1.10 --> 1.8
    1.5 --> 1.6 --> 1.3
    1.7 & 1.3 --> 1.1

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classDef doing fill:darkorange,color:#fff
classDef done fill:steelblue,color:#fff
classDef onhold fill:lightgrey
classDef default stroke:#333,stroke-width:4px;