2. Servlet

  • 2.17. Servlet web page redirection

    When the document is moved to a new location and we need to send this new location to the client, we need to use web page re...
    2025-10-25 13:33:41 UTC
  • 2.19. Servlet automatically refreshes the page

    Suppose there is a web page that shows on-the-spot competition results or stock market conditions or currency exchange rates...
    2025-10-25 13:33:40 UTC
  • 2.22. Servlet debugging

    Testing / debugging Servlet is always a difficult point in the process of development and use. Servlet often involves a larg...
    2025-10-25 13:33:41 UTC
  • 2.23. Servlet internationalization

    Before we begin, let’s take a look at three important terms: Internationalization (i18n): this means that a website prov...
    2025-10-25 13:33:42 UTC
  • 2.24. Useful resources for Servlet

    This chapter lists the Servlet website, books, and articles. 2.24.1. Useful websites for Java Servlet ¶ Sun’s Si...
    2025-10-25 13:33:41 UTC

Principles, Technologies, and Methods of Geographic Information Systems

 102

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.