What is Source? Data source and format. The simple understanding is that when using layers (layer) Different layers need to pass...

Maps can be stored in two ways in the computer: Vector data; Grating data. Vector data model The vector data structure uses the...

Brief introduction of Cesium Cesium is a world-class JavaScript open source product for 3D earth and maps. It provides a developm...

What is Map? 1.Map is the core component of OpenLayers, which is used to initialize map objects. 2.To initialize a map, you need...

UAV mapping has high flexibility and security, and is widely used in various industries. In the field of land surveying and mapp...

Electronic Chart (ECDIS) is a general term for all kinds of digital charts and their application systems. ECDIS has developed int...

1.Photogrammetry and Remote Sensing Technology 1.1 Photogrammetry Geometric positioning is to determine the size, shape and spat...

1.Brief introduction of application of UAV remote sensing technology in geological hazard monitoring 1.1 Background and significa...

In the past work of cultural relics protection, it is often encountered that due to the complex terrain environment around the cu...

Principle introduction Gaode Map provides an API interface for path planning. By outputting parameters such as starting and endin...