Method for preventing picture display characters from being mutually overlapped in navigation system
A screen display and navigation system technology, applied in navigation, surveying and mapping and navigation, road network navigator, etc., can solve problems such as capping, achieve the effects of improving performance, reducing performance overhead, and improving display quality
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[0020] like Figure 4 As shown, the implementation of the present invention includes the following steps:
[0021] 1) Set text display priority
[0022] For display text data, set its display priority in the navigation screen according to its type, and sort the data in order of priority from high to low. The text display priority is determined by its original category, for example, the priority of a text whose category is a gas station is higher than that of a text whose category is a leisure place. There are two purposes for setting the text display priority. One is to prioritize the text with higher display priority and add the text data with higher priority to the spatial index collection first. Delete the basis of judgment, and only delete the text with lower display priority.
[0023] 2) Carry out stamping judgment and processing on the displayed text data sorted according to the priority one by one, if all displayed texts have been processed, then go to step 8), other...
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