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List of Contents of This Article:

• 1,Casino Plus app The following figure is a geographic information system (GIS) layer established to study the layout of a functional area in a city. Read the picture and answer...
• 2, Senior... I know your question. Excuse me, do you have the past exam papers of the GIS postgraduate entrance examination of Hu Normal University...
• 3, The data storage of geographic information system adopts "layered" technology, which is widely used in geographical research. The following figure mentions...
• 4, How to find the shortest path

The picture belowIt is a geographic information system (GIS) layer established to study the layout of a functional area in a city. Read the picture and answer...

1. Question 2: The distribution of population in the city, traffic conditions and high and low land prices must be considered in housing construction, so the most appropriate service object of the digital information in the figure is residential Housing construction department. Option B is correct.

2. Question 2: The commercial center should follow the principles of optimal transportation and market optimization. If the geographic information system is used to select the location of the commercial center, the urban planning layer should be added to the layer to know the layout of each functional area of the city, and the traffic route layer should be added to know the traffic situation. Choose C correctly.

3. Question 1: C Question 2: D Question 1: C is the highway layer, and D is the residential area layer. The superposition of the two layers can understand the convenient transportation and densely populated areas, which is suitable for the location of the store.So choose option C for this question.

4. Question 1: B Question 2: D Analysis of the test question: Question 1: It can be seen from the content of the diagram that the commercial area is mainly in the southwest of the city, the residential area is distributed around the commercial area, and the main road is also mainly in the southwest of the city. It can be judged that the city center is located in the southwest, and B is correct.

Senior... I know you saw your question. May I ask if you have the past papers of the GIS postgraduate entrance examination of Hushi University...

Remote sensing is an important information source and data update means of GIS. Remote sensing data has the function of quickly, real-time and dynamic acquisition of spatial information. As a subsystem of GIS, the remote sensing system can provide timely, comprehensive and large-scale resources and environmental data for GIS.

The official website of the school. According to the official website of Hu Normal University, the past exam papers of the postgraduate entrance examination can be found on the school's official website. Hunan Normal University, referred to as "Hunan Normal University", is located in Changsha City, Hunan Province. It is a national "211 Project" key university and a national "double first-class" construction university.

Second, mathematics. Generally, it is the second exam, and there are also some first exams. It will also be useful to learn programming well in mathematics. In a word, graduate students majoring in GIS all have to take the math exam. So prepare well. As for the number of exams, it depends on the school you are applying for. Third, employment prospects. The employment prospects of GIS majors are still very good.

The data storage of geographic information system adopts "layered" technology, which is widely used in geographical research. The following figure shows...

Geographical data is divided into attribute data and graphic data. Data storage adopts "layering" technology, and different layers store different map elements.) Geographic informationSystem and Urban Management (abbreviated) 2 Remote Sensing (RS): A detection technology that uses instruments sensitive to electromagnetic waves to remotely perceive surface objects.

Geographical data is divided into attribute data and graphic data. Data storage adopts "layering" technology, and different layers store different map elements.) Geographic Information System and Urban Management (abbreviated) 2 Remote Sensing (RS): A detection technology that uses instruments sensitive to electromagnetic waves to remotely perceive surface objects.

It is a specific and very important spatial information system. It is a technical system that collects, stores, manages, calculates, analyzes, displays and describes relevant geographical distribution data in the entire or part of the earth's surface (including the atmosphere) space with the support of computer hardware and software systems.

Geographic Information System (GIS) is to analyze, compare and calculate conclusions that are beneficial to human production and life on the basis of certain data sources. It focuses on the activities of people who "analysis and calculation" are equivalent to "thinking and calculating".

Geographic information system is the intersection of multiple disciplines such as computer science, geography, surveying and cartography. It is a computer technology based on a geospatial database and uses geographical model analysis methods to provide a variety of spatial and dynamic geographical information in real time to serve geographical research and geographical decision-making. System.

The choice of spatial data structure determines the data and analysis functions that the system can perform to a certain extent. In the organization and management of geographical data, the most important thing is how to integrate spatial data and attribute data.

How to find the shortest path

1. There are three main algorithms for the shortest path: floyd algorithm, Dijkstra algorithm, Bellman-Ford floyd algorithm The basic idea is as follows: the shortest path from any node A to any node B is no more than two possibilities, 1 is directly from A to B, and 2 is from A through several nodes X to B.

2. Therefore, the query and analysis function of GIS can be applied to the shortest, fastest or most scenic path between two points. Test point: This question examines the application of geographic information technology. Comment: The key to solving this question is to master the respective main functions and application fields of "3S" technology, which is a regular test site. Students should strengthen their memory of basic knowledge.

3. The depth or breadth priority search algorithm (solving the single-source shortest path) accesses all depth traversal paths or breadth priority paths from the starting node, then there are multiple paths to the end node, and the one with the shortest path weight is the shortest path.

4. [Answer]: Find the shortest path on the network. Analysis: All-or all-no-distribution method (shortest-route distribution method, shortcut-to-all-all-all-no-allocation method takes the minimum journey time and the corresponding minimum cost as the starting point. It is usually based on the travel time between the shape centers of each traffic community.

5. The spatial division method is another technique to solve the problem of the shortest path of cuboid ants. Its basic idea is to divide the cuboid into several small cubes, and then move between the small cubes to find the shortest path.