Tham khảo tài liệu 'khái niệm về gis', khoa học tự nhiên, địa lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Giới thiệu các khái niệm về GIS Introduction to ArcGIS I 2- 2- Bài 2 Tổng quan Giới thiệu các khái niệm về GIS ArcGIS và các sản phẩm phần mềm ESRI khác Introduction to ArcGIS I 2- 2- GIS là gì? Là sự hợp nhất của 5 thành phần cơ bản Procedures Introduction to ArcGIS I 2- Definitions of a geographic information system can vary considerably. The definition provided here combines both the components and functions of a GIS. The components needed to perform GIS tasks include: People This is the most important component in a GIS. People must develop the procedures and define the tasks of the GIS. People can often overcome shortcomings in other components of the GIS, but the best software and computers in the world cannot compensate for the incompetence of people. Data The availability and accuracy of data can affect the results of any query or analysis. Hardware Hardware capabilities affect processing speed, ease of use, and the type of output available. Software This includes not only actual GIS software but also various database, drawing, statistical, imaging, or other software. Procedures Analysis requires well-defined, consistent methods to produce accurate, reproducible results. 2- Các chức năng của GIS Truy vấn Phân tích Lưu trữ Hiển thị Thu thập Thông tin ra Tòa nhà Đường phố Thực tế Khách hàng Introduction to ArcGIS I 2- Any GIS should be capable of the following fundamental operations in order to be useful for finding solutions to real-world problems. Capturing data A GIS must provide methods for inputting geographic (coordinate) and tabular (attribute) data. The more input methods available, the more versatile the GIS. Storing data There are two basic data models for geographic data storage: vector and raster. A GIS should be able to store geographic data in both models. Querying data A GIS must provide utilities for finding specific features based on location or attribute value. Analyzing data A GIS must be able to answer questions | Giới thiệu các khái niệm về GIS Introduction to ArcGIS I 2- 2- Bài 2 Tổng quan Giới thiệu các khái niệm về GIS ArcGIS và các sản phẩm phần mềm ESRI khác Introduction to ArcGIS I 2- 2- GIS là gì? Là sự hợp nhất của 5 thành phần cơ bản Procedures Introduction to ArcGIS I 2- Definitions of a geographic information system can vary considerably. The definition provided here combines both the components and functions of a GIS. The components needed to perform GIS tasks include: People This is the most important component in a GIS. People must develop the procedures and define the tasks of the GIS. People can often overcome shortcomings in other components of the GIS, but the best software and computers in the world cannot compensate for the incompetence of people. Data The availability and accuracy of data can affect the results of any query or analysis. Hardware Hardware capabilities affect processing speed, ease of use, and the type of output available. Software This .
