117 lines
6.5 KiB
Markdown
117 lines
6.5 KiB
Markdown
经纬度精度通常指的是地理坐标系统中，经度和纬度值的精确度。在不同的应用场景中，经纬度的精度要求可能会有所不同。以下是一些常见的精度级别：
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1. **度（°）**：
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- 1度的精度可以定位到大约111公里的范围。
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- 例如，只知道一个城市的经纬度到度的精度，可以确定城市大致的地理位置，但无法确定城市内的具体位置。
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2. **分（'）**：
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- 1分等于1/60度，大约等于1.85公里。
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- 提供到分的精度可以进一步缩小定位范围，但仍然不够精确。
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3. **秒（"）**：
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- 1秒等于1/3600度，大约等于30.9米。
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- 提供到秒的精度可以定位到一个较小的区域，例如一个街区或一个公园。
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4. **小数点后几位**：
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- 经纬度通常可以表示为小数点后几位的十进制数。
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- 小数点后第一位（十分位）表示0.1度，大约11.1公里。
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- 小数点后第二位（百分位）表示0.01度，大约1.11公里。
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- 小数点后第三位（千分位）表示0.001度，大约111米。
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- 小数点后第四位（万分位）表示0.0001度，大约11.1米。
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- 小数点后第五位（十万分位）表示0.00001度，大约1.11米。
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5. **米级精度**：
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- 一些现代GPS设备和智能手机可以提供米级精度，这通常足够用于大多数导航和定位服务。
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6. **厘米级精度**：
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- 高精度的应用，如土地测绘、建筑施工等，可能需要厘米级的精度。
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在实际应用中，经纬度的精度取决于多种因素，包括GPS设备的精度、信号条件、环境因素等。例如，城市中的高楼大厦可能会影响GPS信号，导致定位精度下降。不同的应用场景，如地图服务、导航、地理信息系统（GIS）等，会根据需要选择合适的精度级别。
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https://api.open-meteo.com/v1/forecast?latitude=34.125,34.125,34,34,33.875,33.85,33.75,33.9,33.6,33.625,33.5,33.51,33.375,33.375,33.25,33.25,33.15,33.125&longitude=106.8,107.125,106.875,107.18,106.92,107.125,106.875,107.15,106.9,107.125,106.875,107.125,106.91,107.125,106.875,107.13,106.875,107.125&hourly=precipitation_probability,precipitation&timezone=Asia%2FSingapore
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https://api.open-meteo.com/v1/forecast?latitude=34.125,34.125,34,34,33.85,33.875,33.9,33.75,33.625,33.6,33.51,33.5,33.375,33.375,33.25,33.25,33.125,33.15&longitude=107.125,106.8,107.18,106.875,107.125,106.92,107.15,106.875,107.125,106.9,107.125,106.875,107.125,106.91,107.13,106.875,107.125,106.875&hourly=temperature_2m,relative_humidity_2m,precipitation_probability,precipitation&timezone=Asia%2FSingapore
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``` json
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[{"id":1,"name":"倒回沟","lat":34.125,"lon":106.8,"targetLat":34.125,"targetLon":106.875,"elevation":1782},
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{"id":2,"name":"柳沟","lat":34.125,"lon":107.125,"targetLat":34.125,"targetLon":107.125,"elevation":2063},
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{"id":3,"name":"黄家沟","lat":34,"lon":106.875,"targetLat":34,"targetLon":106.875,"elevation":1612},
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{"id":4,"name":"源头山","lat":34,"lon":107.18,"targetLat":34,"targetLon":107.125,"elevation":1693},
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{"id":5,"name":"大竹塘沟","lat":33.875,"lon":106.92,"targetLat":33.875,"targetLon":106.875,"elevation":1562},
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{"id":6,"name":"艾蒿沟","lat":33.85,"lon":107.125,"targetLat":33.875,"targetLon":107.125,"elevation":1642},
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{"id":7,"name":"南沟口","lat":33.75,"lon":106.875,"targetLat":33.75,"targetLon":106.875,"elevation":1433},
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{"id":8,"name":"李家坎","lat":33.9,"lon":107.15,"targetLat":33.75,"targetLon":107.125,"elevation":1490},
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{"id":9,"name":"楼房沟","lat":33.6,"lon":106.9,"targetLat":33.625,"targetLon":106.875,"elevation":1372},
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{"id":10,"name":"东沟","lat":33.625,"lon":107.125,"targetLat":33.625,"targetLon":107.125,"elevation":1942},
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{"id":11,"name":"九条沟","lat":33.5,"lon":106.875,"targetLat":33.5,"targetLon":106.875,"elevation":1230},
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{"id":12,"name":"杀牛坪","lat":33.51,"lon":107.125,"targetLat":33.5,"targetLon":107.125,"elevation":1127},
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{"id":13,"name":"云雾山","lat":33.375,"lon":106.91,"targetLat":33.375,"targetLon":106.875,"elevation":1545},
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{"id":14,"name":"三岔河","lat":33.375,"lon":107.125,"targetLat":33.375,"targetLon":107.125,"elevation":924},
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{"id":15,"name":"沙河沟","lat":33.25,"lon":106.875,"targetLat":33.25,"targetLon":106.875,"elevation":799},
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{"id":16,"name":"天台山","lat":33.25,"lon":107.13,"targetLat":33.25,"targetLon":107.125,"elevation":758},
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{"id":17,"name":"五道沟","lat":33.15,"lon":106.875,"targetLat":33.125,"targetLon":106.875,"elevation":524},
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{"id":18,"name":"徐望","lat":33.125,"lon":107.125,"targetLat":33.125,"targetLon":107.125,"elevation":520}]
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```
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``` sql
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SELECT parse_uuidv7_time('0193843c-dec3-771f-a38a-5abfb78c9ca6');
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(node:2098075) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
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(Use `node --trace-deprecation ...` to show where the warning was created)
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(node:3714035) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
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(Use `node --trace-deprecation ...` to show where the warning was created)
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(node:3948376) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
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(Use `node --trace-deprecation ...` to show where the warning was created)
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(node:4100934) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
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(Use `node --trace-deprecation ...` to show where the warning was created)
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(node:517904) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
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(Use `node --trace-deprecation ...` to show where the warning was created)
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```
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``` sql
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SELECT
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"forecastWeatherID",
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"forecastWeatherData",
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CASE
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WHEN "forecastWeatherData" = LAG("forecastWeatherData") OVER (ORDER BY "forecastWeatherID") THEN '相同'
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ELSE '不同'
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END AS "is_same"
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FROM
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public."weather_forecast";
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```
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pbuC_R}Y28
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a1b2c2d*e(
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``` yaml
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[server]
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APP_NAME = Gitea: Git with a cup of tea
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RUN_USER = git
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RUN_MODE = prod
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LISTEN_PORT = 33033
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DISABLE_SSH = false
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SSH_PORT = 22022
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DOMAIN = gitea.xpci.top
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[database]
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DB_TYPE = postgresql
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DB_HOST = 127.0.0.1:5432
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DB_NAME = gitea
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DB_USER = postgres.xpsion000
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DB_PASSWD = summit098
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[security]
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INSTALL_LOCK = true
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SECRET_KEY = FwSOXx35tMN7fHttgORz9ok0jx6F0LSX2i0K26bTiCJKcAgs7JACEcamQQuD6dGe
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INTERNAL_TOKEN = eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuYmYiOjE3MzMzODU4NDZ9.KLnDJcFt8sTDk8Cfao00lJe9sMHIxoekiTTjqLoq2Gg
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[mailer]
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SMTP_HOST = smtp.qq.com:465
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SMTP_FROM = shimens.qq.com
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SMTP_USER = shimens.qq.com
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SMTP_PASSWD = kabwyhgwqyhhfhde
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``` |