1. Angularjs2

  • 1.1. Angular 2 tutorial

    Angular2 is an open source JavaScript library maintained by Google to assistsingle-page applications. Angular2 is an ...
    2025-10-25 13:32:29 UTC
  • 1.2. Angular 2 JavaScript environment configuration

    In this section, we will show you how to configure the execution environment of Angular 2. This chapter uses JavaScript to...
    2025-10-25 13:32:29 UTC
  • 1.3. Angular 2 TypeScript environment configuration

    This chapter uses TypeScript to create Angular applications, which is also officially recommended, and the examples of this ...
    2025-10-25 13:32:29 UTC
  • 1.4. Angular 2 architecture

    The Angular 2 application mainly consists of the following eight parts: 1.Modules 2.Components 3.Templates 4...
    2025-10-25 13:32:29 UTC
  • 1.5. Angular 2 data display

    In this section, we will show you how to display data on the user interface in three ways: Display the properties of a c...
    2025-10-25 13:32:28 UTC
  • 1.6. Angular 2 user input

    When a user clicks a link, presses a button, or enters text, the interaction of these users will be triggered. DOM event...
    2025-10-25 13:32:29 UTC
  • 1.7. Angular 2 form

    In this section, we will show you how to build an Angular form using components and templates. Using Angular templates, we...
    2025-10-25 13:32:28 UTC
  • 1.8. Angular 2 template syntax

    We have touched on the templates of Angular in the previous chapters, and in this article we will cover the syntax use of An...
    2025-10-25 13:32:29 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。