2022年6月28日 · This simple map reading guide explains every map symbol on an OS Explorer map (1: 25 000 scale), most popular for walking and cycling. Learn what each map symbol represents on the ground and how you can find points of interest, access land and public rights of way to make the most of your time outside.

2022年12月9日 · Ordnance Survey (OS) map symbols are a crucial aspect of British cartography, providing a standardised method to represent various physical and human-made features on maps. These symbols are designed to be intuitive and consistent, allowing users to easily interpret information about the landscape, infrastructure, and land use.

2019年12月27日 · Puzzled by OS maps and their numerous symbols? Here's our quick guide to OS maps' symbols and meanings by colour. Just what you need to get going.

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Ordnance Survey, the OS Symbol and OS Landranger are registered trademarks of Ordnance Survey, the national mapping agency of Great Britain. Made, printed and published by Ordnance Survey, Southampton, United Kingdom.

2025年1月30日 · There's a lot of information on explorer and landranger mapping, bit only if you know what all the lines and icons on the maps mean. Here's how to burhs-up on your map-symbol key skills... Come on, let’s be candid – how many of us can tell at a glance the difference between loose rock, scree, an outcrop and a vertical cliff face?

2019年7月3日 · 顾名思义，os_signpost就是在代码里面插入一些标记，作用相当于路标。 官方文档是这样描述的： code for collection and visualization by performance analysis tooling. 用人话说就是：os_signpost是一个轻量级的可视化的性能分析工具。 代码层面的性能分析，最直观的方式就是标识出一段代码的开始和结尾，然后计算下耗时。 就像下面这样： 然而如果代码逻辑复杂、有先后关系、存在多个线程等，单靠某小段代码的标记，就不是那么直观了。

Single symbols denote several kinds of points of interest or describe a larger area. If the map feature in question has a name, it is written below the symbol most of the time, in the same color of the symbol. A gate which allows people to cross, but not livestock. (no alphabetic order, order based on database units)

Ordnance Survey, OS and the OS Symbol are registered trademarks, and Explorer is a trademark of Ordnance Survey, the national mapping agency of Great Britain. Made, printed and published by Ordnance Survey, Southampton, United Kingdom. For educational use only. September 2004 © Crown copyright 2004. All rights reserved ACCESS LAND

2022年1月25日 · When you look at an Ordnance Survey map – online, on the OS Maps app, or on an OS paper map, there are lots of symbols, each describing different features. Some of these can reveal the hidden history of a place and the more you understand the map symbols, the language of the map, the more it can tell you.