Large-scale GIS display system based on synchronous control, and display method of large-scale GIS display system
A technology of synchronous control and display system, applied in the system field of displaying GIS geographic information, can solve the problem of no large-scale application and so on
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Embodiment 1
[0073] see figure 2 , this large-scale multi-screen GIS display system based on synchronous control is characterized in that it includes the following components, connected by a gigabit router (5):
[0074] 1): Splicing screen display wall: It is composed of five 4K (3840×2160) resolution LCD monitors, which are placed vertically and spliced into a large screen with a resolution of 10800×3840 for displaying geographic information;
[0075] 2): GIS display node: 5 computers are used to run Google Earth and render geographic information. The configuration of the computers is as follows: Intel Core i5 CPU, 4G memory, 1T hard disk, GTX650 graphics card, and the operating system is Windows10;
[0076] 3): HDMI: used to connect the splicing screen display wall (1) and the GIS display node (2);
[0077] 4): High-speed Ethernet: used to connect GIS display node (2), gigabit router (5) and master control server (7) for data transmission;
Embodiment 2
[0084] see image 3 , this large-scale multi-screen GIS display system based on synchronous control adopts the above hardware structure, and its system preparation process is as follows:
[0085] 1): Write KML: Get the information that needs to be displayed on GIS from the results of big data analysis, write this information into a form that Google Earth can recognize by writing KML, and use the time element TimeSpan in KML to specify when the information will be displayed , for example, to display an analysis result map from January 1, 2016 to January 2, 2016, the following KML can be used, other KML can be written by referring to official documents, and the TimeSpan element is flexibly applied in this system;
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[0089] 2016-01-01T00:00:00Z
[0090] 2016-01-02T00:00:00Z
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[0093] files / image.png
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[0100] In addition, it is necessary to ...
Embodiment 3
[0124] see Figure 4 , this large-scale multi-screen GIS display system based on synchronous control adopts the above hardware structure, and after the system is ready, the remote interactive interface is written as follows:
[0125] The entire interactive interface mainly includes three parts: (1) To reset all animations, this operation resets the information of all animations in the database and jumps to the perspective of the preparation stage. The animation is displayed as the initial time. In this example, the system is initially The perspective is to see the whole earth, and it is slowly rotating; (2) is to play / pause the animation, when the animation is playing, the animation can be paused, and when the animation is paused, the animation can be played; (3), (4 ), (5), (6), (7), and (8) are animations with corresponding numbers. A series of geographic element display schemes are defined in the animation, including the displayed location information and displayed geograph...
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