该包整体已弃用，其功能已移至 sounding-analysis 包。迁移的原因是这两个包几乎从未单独使用过，并且在这个包中的更改需要版本号提升，这将需要所有依赖它的包的版本号提升。维护相关包变得非常繁琐。

声学基础库

相关包

• 声学分析
• 声学缓冲区工具包
• 气象工具
• 探空

表示以压力为垂直坐标的气象声学的库。基本包旨在成为其他包构建的共同基础。这些包可能用于管理数据存储、显示数据或保存和加载文件。

该包的重点是数据表示和使用声学数据构建和使用的通用类型。

示例

use optional::{Optioned, some};
use metfor::{HectoPascal, Celsius, Feet};

use sounding_base::{Sounding, StationInfo};

fn main() {

    // Create  pressure profile
    let pressure_profile: Vec<Optioned<HectoPascal>> =
        vec![1000.0, 925.0, 850.0, 700.0, 500.0, 300.0, 250.0, 100.0]
            .into_iter()
            .map(HectoPascal)
            .map(some)
            .collect();

    // Create a temperature profile
    let temperature_profile: Vec<Optioned<Celsius>> =
        vec![13.0, 7.0, 5.0, -4.5, -20.6, -44.0, -52.0, -56.5]
            .into_iter()
            .map(Celsius)
            .map(some)
            .collect();

    // Create some station info
    let stn = StationInfo::new_with_values(None, (45.6789, -115.6789), Feet(992.0));

    // Create a valid time. This uses a `chrono::NaiveDateTime`, and you should always assume
    // that valid times are in UTC.
    let vt = chrono::NaiveDate::from_ymd(2018,3,8).and_hms(12,0,0);

    // Use the builder pattern to construct a sounding.
    let snd = Sounding::new()
        .with_station_info(stn)
        .with_valid_time(vt)
        .with_lead_time(24)  // Lead time in hours for forecast soundings.
        .with_pressure_profile(pressure_profile)
        .with_temperature_profile(temperature_profile)
        .with_station_pressure(some(HectoPascal(1013.25)))
        .with_sfc_temperature(some(Celsius(15.0)));

    // Top down and bottom up iterators are provided. If surface data is available, it is
    // inserted into the profile.
    let mut iter = snd.top_down();

    let mut data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(100.0)));
    assert_eq!(data_row.temperature, some(Celsius(-56.5)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(250.0)));
    assert_eq!(data_row.temperature, some(Celsius(-52.0)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(300.0)));
    assert_eq!(data_row.temperature, some(Celsius(-44.0)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(500.0)));
    assert_eq!(data_row.temperature, some(Celsius(-20.6)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(700.0)));
    assert_eq!(data_row.temperature, some(Celsius(-4.5)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(850.0)));
    assert_eq!(data_row.temperature, some(Celsius(5.0)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(925.0)));
    assert_eq!(data_row.temperature, some(Celsius(7.0)));

    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(1000.0)));
    assert_eq!(data_row.temperature, some(Celsius(13.0)));

    // THIS ONE IS THE SURFACE DATA!
    data_row = iter.next().unwrap();
    assert_eq!(data_row.pressure, some(HectoPascal(1013.25)));
    assert_eq!(data_row.temperature, some(Celsius(15.0)));

    assert_eq!(iter.next(), None);

    // Profiles and surface values can also be accessed via getter methods. Read the docs!
}

你可能在示例中看到了很多 optional::Optioned。基本上，任何东西都可能缺失，缺失值在高层大气声学中很常见。例如，在高层大气中，露点或湿度通常缺失（如果不完全不准确）。