What can be expressed in an open space?

Public maps can be very rich in content, as follows:

The following are some common contents that can be recognized on the map:

1. Geographical features: including mountains, rivers, lakes, oceans, islands, grasslands, deserts and other natural geographical features.

2. National boundaries and administrative divisions: Identify the administrative boundaries and administrative divisions of different countries, regions, provinces, states, counties and cities.

3. Town: Identifies the location and scope of the town, and may display information such as main roads, buildings and traffic facilities.

4. Road network: determine the main roads, highways, railway lines, bridges, tunnels and other transportation networks.

5. Landmark buildings and scenic spots: mark famous landmark buildings, historical sites, tourist attractions, cultural sites, etc.

6. Facilities: identify public facilities, such as schools, hospitals, shopping centers, stadiums, parks, libraries and museums.

7. Economic region and industrial distribution: determine the economic activity region and industrial distribution, such as industrial areas, commercial areas, ports and airports.

8. Climate and weather: determine climate and weather data, such as climate zone, rainfall, temperature and wind direction.

9. Ocean and waterway: mark the ocean depth, territorial waters, shipping routes, fishing grounds and other related information.

According to different needs, maps can also represent other specific information, such as land use, population density and environmental conditions. With the development of technology, the content of maps is constantly expanding, which can be customized according to specific applications.

Some common map elements

Map elements refer to various geographical and cultural objects, phenomena and related information expressed on the map.

Map elements include: geography, administration, land use, transportation, architecture, topography, hydrology, vegetation, climate, culture and humanities, and ecological environment.

These are common elements in maps, and the elements contained in specific maps can be combined and labeled according to different purposes and the needs of usage scenarios. At the same time, maps can show more personalized geographic information and spatial data according to different data richness, mapping techniques and display methods.