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
《地理信息系统原理、技术与方法》  97

最近几年来,地理信息系统无论是在理论上还是应用上都处在一个飞速发展的阶段。 GIS被应用于多个领域的建模和决策支持,如城市管理、区划、环境整治等等,地理信息成为信息时代重要的组成部分之一; “数字地球”概念的提出,更进一步推动了作为其技术支撑的GIS的发展。 与此同时,一些学者致力于相关的理论研究,如空间感知、空间数据误差、空间关系的形式化等等。 这恰好说明了地理信息系统作为应用技术和学科的两个方面,并且这两个方面构成了相互促进的发展过程。