6. Design-pattern

  • 6.1. Design pattern

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  • 6.2. Brief introduction of Design pattern

    Design patterns (Design pattern) represent best practices and are often adopted by experienced object-oriented software deve...
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  • 6.3. Factory model

    Factory pattern (Factory Pattern) is one of the most commonly used design patterns in Java. This type of design pattern is a...
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  • 6.4. Abstract factory pattern

    The Abstract Factory pattern (Abstract Factory Pattern) is about creating other factories around one super factory. The supe...
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  • 6.5. Singleton mode

    Singleton pattern (Singleton Pattern) is one of the simplest design patterns in Java. This type of design pattern is a creat...
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  • 6.7. Prototype model

    The prototype pattern (Prototype Pattern) is used to create duplicate objects while ensuring performance. This type of desig...
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  • 6.8. Adapter mode

    The adapter pattern (Adapter Pattern) acts as a bridge between two incompatible interfaces. This type of design pattern is a...
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  • 6.9. Bridging mode

    Bridge is used to decouple abstraction from implementation so that the two can change independently. This type of design pat...
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  • 6.10. Filter mode

    Filter pattern (Filter Pattern) or standard pattern (Criteria Pattern) is a design pattern that allows developers to filter ...
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  • 6.11. Combination mode

    Combination pattern (Composite Pattern), also known as partial whole pattern, is used to treat a group of similar objects as...
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  • 6.12. Decorator mode

    The decorator pattern (Decorator Pattern) allows you to add new functionality to an existing object without changing its str...
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  • 6.13. Appearance mode

    Facade Pattern hides the complexity of the system and provides the client with an interface through which the client can acc...
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  • 6.14. Sharing meta-mode

    The shared meta-mode (Flyweight Pattern) is mainly used to reduce the number of objects created to reduce memory footprint a...
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  • 6.15. Agent mode

    In Proxy Pattern, one class represents the functionality of another class. This type of design pattern belongs to structural...
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  • 6.16. Responsibility chain model

    As the name implies, the chain of responsibility pattern (Chain of Responsibility Pattern) creates a chain of recipient obje...
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  • 6.17. Command mode

    Command pattern (Command Pattern) is a data-driven design pattern, which belongs to behavioral pattern. The request is wrapp...
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Principles and Applications of WebGIS

 37

Web框架

 942

WEB基础

 287

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.