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7. Bootstrap5

  • 7.31. Bootstrap5 form

    In this chapter, we will learn how to create a form using Bootstrap. Bootstrap can create different styles of forms with som...
    2025-10-25 13:35:29 UTC
  • 7.32. Bootstrap5 drop-down menu

    The drop-down menu can be either a single-choice drop-down menu or a multi-choice drop-down menu. Select the drop-down men...
    2025-10-25 13:35:27 UTC
  • 7.33. Bootstrap5 check box and radio box

    If you want the user to select any number of options from the list of preset options, you can use the check box: 7.33...
    2025-10-25 13:35:32 UTC
  • 7.34. Bootstrap5 selection interval

    To set a selection range, you can use the input add to the element type="range" and use the .form-range class: ...
    2025-10-25 13:35:31 UTC
  • 7.35. Bootstrap5 input box group

    We can use it. .input-group class to add more styles, such as icons, text, or buttons, to the form input box. .input...
    2025-10-25 13:35:32 UTC
  • 7.36. Bootstrap5 form floating label

    By default, the tag content is generally displayed in the input at the top of the input box: Using floating tags, y...
    2025-10-25 13:35:32 UTC
  • 7.37. Bootstrap5 form validation

    We can use different validation classes to set up the validation function of the form. .was-validated or .needs-vali...
    2025-10-25 13:35:28 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.