Mobile GIS visual method based on dynamic map symbols
A technology of map symbols and dynamic maps, which is applied in the field of dynamic map symbols of mobile GIS visualization method, and can solve problems such as symbol distortion, multi-memory, and difficult-to-monitor data real-time visualization
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[0027] specific implementation plan
[0028] (1) Mapping rules and definitions of symbolic primitives and real-time data
[0029] To realize real-time visualization of equipment and facility data based on map symbols, it is necessary to create mapping rules between map symbol primitives and sensor device data that are suitable for the characteristics of the data according to the characteristics of the device data.
[0030] In order to distinguish primitives of the same type with different element attribute values, a new attribute value ID number is added to each primitive description label, that is, all symbol primitives in the vector map symbol file have unique ID number values. The mapping rule between the mobile monitoring equipment data and the visual variables of map symbols is to retrieve the primitives that meet the mapping requirements through this ID number, and modify the attribute values of the primitives according to the mapping requirements to achieve different ...
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