Enterprise WebGIS website Solution

Source: Internet
Author: User
• Significance and Application of WebGIS
WebGIS, also known as Internet GIS, is an Internet Geographic Information System. With the popularization of the Internet and the development of its technology, the technology that uses the Internet to publish and publish spatial data on the Internet to provide users with spatial data browsing, query, and analysis functions has become increasingly mature. WebGIS is the product of applying Internet technologies to GIS. Internet users can access it through any node on the WWW Network, browse spatial data and thematic maps in the WebGIS site, and perform spatial query and spatial analysis.
• Powerful functions of WebGIS
Basic Map operation functions, such as infinitely magnified maps, infinitely reduced maps, roaming, information queries, and distance area measurement;
Map editing functions, such as adding and editing features;
Topic chart creation function;
Query functions, such as space query and attribute query;
Analysis functions, such as Best analysis, shortest path, and Contour analysis;
Commercial GIS functions, such as commercial site selection, real estate distribution, and socio-economic analysis;
Other functions;
• Basic Map operations
Zoom-in: Points zoom-in and pull-box zoom-In are divided into fixed-point zoom-in. Click the zoom-In icon on the map toolbar to zoom in the current map to a certain multiple of its center; to zoom in, drag the mouse in the Map window to pull a box. The map in the box is enlarged to the current map window;
Zoom-in: The operation is the same as the zoom-in function, but the result is that the map is reduced; full display: the whole map is displayed in the current map window;
Map roaming: drag the mouse to a certain distance in the Map window, and the map also moves a certain distance along with the mouse direction and is displayed in the current map window;
Previous view: views the previous map displayed in the current map window;
Next view: view the next map displayed in the current map window;
Distance calculation: measure the actual distance between any two points on the map;
Area calculation: measure the area of any Polygon on the map;
Add markup point: Add markup at any location on the map
Map Refresh: refresh the current map;
Map Printing: prints the current map;
Layer Control: controls which layers in the Map window can be displayed, and controls which layers in the Map window can be queried;
• Map editing
Add points (such as bus sites and other point features), lines (such as bus lines and other line features), and surfaces (such as newly built company or square-like features) to the map), text annotation (such as place names, company names, and other texts), and save the newly added features to the corresponding layers;
• Topic chart Creation
Make a variety of thematic maps: for example, map the population density distribution of certain areas with different colors or shapes, the company's enterprise density distribution, and the performance information of a company in various regions. The topic diagram expresses a lot of useful information in the form of images, so as to be clear at a glance and facilitate decision-making by enterprises or individuals.

• Map query
Space query: You can use the mouse over a map to search for a specific object, highlight the object, and list its attributes, such as its name;
Property query: You can enter a property such as a name to search for a map object. The property is displayed in the center of the map and its coordinates are displayed;
• Analysis
Path Analysis: Lists All paths from the starting point to the target point, and calculates the time required to pass through these paths from the starting point to the target point under certain conditions (such as walking or traveling, find the shortest path or optimal path and submit it to the user. If you are using a bus, you can also provide the bus lines you want to take and the sites and bus lines you want to transfer. You can also provide other information as needed. Buffer analysis: Input address, find the objects within a certain range, such as companies, enterprises, restaurants, and hospitals, and analyze the shortest time, shortest or optimal route, and the available transportation. provide detailed information such as tools or bus lines to the user. This function can be designed according to the customer's special requirements.
• Commercial GIS functions
Company site selection: analyze the company's performance in different regions based on the topic chart information to determine whether to withdraw some bad-performing branches or add some branches in some areas. This is useful for chain supermarkets or multinational corporations in making business decisions.
Performance prediction: forecasts the company's profit expectations for a certain period of time in the future, which serves as a basis for decision-making.
• Other Functions
Satellite navigation: positioning the target on a map (for example, vehicle navigation );
Real-time Monitoring: Combined with GPS, GPRS or CDMA, GIS monitoring of vehicles or floods GIS portal: http://www.ggiiss.com/

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