ctd_sample.proto

import "dccl/option_extensions.proto";

package goby.moos.protobuf;
message CTDSample
{
    option (dccl.msg).id = 200;
    option (dccl.msg).max_bytes = 32;

    optional int32 source_id = 1 [
        (dccl.field).max = 31,
        (dccl.field).min = 0,
        (dccl.field).in_head = true
    ];
    required double time = 2
        [(dccl.field).codec = "_time", (dccl.field).in_head = true];

    // required "primary" measurements
    optional double conductivity = 10 [(dccl.field).omit = true];
    required double temperature = 11 [
        (dccl.field).min = 0,
        (dccl.field).max = 30,
        (dccl.field).precision = 1
    ];

    required double pressure = 12 [
        (dccl.field).min = 0,
        (dccl.field).max = 100000000,
        (dccl.field).precision = -4
    ];

    // required "secondary" or calculated quantities (can be calculated
    // from "primary" measurements alone using empirical formulas).
    required double salinity = 20 [
        (dccl.field).min = 0,
        (dccl.field).max = 42,
        (dccl.field).precision = 1
    ];
    required double sound_speed = 21 [
        (dccl.field).min = 1400,
        (dccl.field).max = 1600,
        (dccl.field).precision = 0
    ];
    required double density = 22 [
        (dccl.field).min = 900,
        (dccl.field).max = 1200,
        (dccl.field).precision = 0
    ];

    required double depth = 23 [
        (dccl.field).min = 0,
        (dccl.field).max = 10000,
        (dccl.field).precision = 0
    ];

    required double lat = 24 [
        (dccl.field).min = -90,
        (dccl.field).max = 90,
        (dccl.field).precision = 6
    ];

    required double lon = 25 [
        (dccl.field).min = -180,
        (dccl.field).max = 180,
        (dccl.field).precision = 6
    ];

    // algorithm used for secondary quantities
    enum SalinityAlgorithm
    {
        SAL_ALGORITHM_UNKNOWN = 0;
        UNESCO_44_PREKIN_AND_LEWIS_1980 = 1;
    }
    optional SalinityAlgorithm salinity_algorithm = 30
        [default = SAL_ALGORITHM_UNKNOWN, (dccl.field).omit = true];

    enum SoundSpeedAlgorithm
    {
        SS_ALGORITHM_UNKNOWN = 0;
        UNESCO_44_CHEN_AND_MILLERO_1977 = 1;
        MACKENZIE_1981 = 2;
        DEL_GROSSO_1974 = 3;
    }
    optional SoundSpeedAlgorithm sound_speed_algorithm = 31
        [default = SS_ALGORITHM_UNKNOWN, (dccl.field).omit = true];

    enum DensityAlgorithm
    {
        DENSITY_ALGORITHM_UNKNOWN = 0;
        UNESCO_38_MILLERO_AND_POISSON_1981 = 1;
    }
    optional DensityAlgorithm density_algorithm = 32
        [default = DENSITY_ALGORITHM_UNKNOWN, (dccl.field).omit = true];
}