12. Http

  • 12.1. HTTP tutorial

    HTTP protocol generally refers to HTTP (Hypertext transfer Protocol). Hypertext transfer Protocol (English: HyperText T...
    2025-10-25 13:33:17 UTC
  • 12.2. HTTP introduction

    HTTP protocol is the abbreviation of Hyper Text Transfer Protocol (Hypertexttransfer Protocol). It is a transport protocol u...
    2025-10-25 13:33:17 UTC
  • 12.3. HTTP message structure

    HTTP is a client / server-based architecture model that exchanges information through a reliable link and is a stateless req...
    2025-10-25 13:33:17 UTC
  • 12.4. HTTP request method

    According to the HTTP standard, HTTP requests can use multiple request methods. HTTP1.0 defines three request methods: G...
    2025-10-25 13:33:17 UTC
  • 12.5. HTTP response header information

    The HTTP request header provides information about the request, response, or other sending entity. In this section, we wil...
    2025-10-25 13:33:16 UTC
  • 12.6. HTTP status code

    When a viewer visits a web page, the viewer’s browser makes a request to the server where the web page is located. Before th...
    2025-10-25 13:33:17 UTC

Principles, Technologies, and Methods of Geographic Information Systems

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In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.