Map vector data displaying method in network navigation of mobile phone
A technology of vector map data and display method, which is applied to road network navigators, electrical components, transmission systems, etc., can solve problems such as unsatisfactory navigation effects, achieve friendly display effects, reduce time occupation, and facilitate navigation habits
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[0055] A display method of vector map data in mobile phone network navigation of the present invention includes the following steps:
[0056] Step 1. Interactive confirmation of mathematical elements in the vector map
[0057]The display of the navigation map is based on map mathematical elements such as scale, coordinate system and map orientation. The mobile terminal confirms these elements by interacting with the network navigation center. The mobile terminal uploads relevant data such as the screen size to the navigation center through the data transmission channel of the wireless communication network (such as GPRS), and the navigation center determines the best display scale of the terminal map. At the same time, the coordinate system and map direction displayed on the terminal navigation map are also determined by the navigation center. The navigation center will issue the determined mathematical element parameters to the mobile terminal.
[0058] Step 2. Download of vector...
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