Automatic assignment method and device, intelligent electronic map production system and navigation equipment

Abstract

The invention discloses an automatic assignment method and device for line speed limit, an intelligent electronic map production system and navigation equipment. The method comprises the following steps of: obtaining a point speed limit value in a road and a point speed limit direction corresponding to the point speed limit value; determining a to-be-assigned start road line and a tracking direction on the basis of a preset automatic tracking principle, planning a tracking path and determining a to-be-assigned termination road line; and determining a direction of a line speed limit value of the tracked road line according to a lineation direction of the tracked road line and the point speed limit direction corresponding to the point speed limit value, and automatically carrying out line speed limit assignment on the tracked road line according to the point speed limit value and the direction of the line speed limit value of the tracked road line. According to the automatic assignment method, maintenance of line speed limit can get rid of heavy manual operation, line speed limit assignment can be completed through automatically tracking each road line, and batch processing can be carried out on one section of road, so that the defect of carrying out line speed limit maintenance on road lines one by one is avoided.

Description

technical field [0001] The invention relates to the field of electronic maps, in particular to an automatic value assignment method and device for line speed limit, an electronic map intelligent production system and navigation equipment. Background technique [0002] The line speed limit in the electronic map is manually processed according to the collected point speed limit. figure 1 It shows the process of processing line speed limit, which specifically includes: [0003] Step 105, judge the road line / section of road that needs to maintain the line speed limit according to the point speed limit; [0004] When collecting data based on the electronic map, the complete road is divided into several road lines (links) / sections of roads (a section of road can be one road line, or several sequentially connected road lines). When maintaining the line speed limit of the road line, set the line speed limit of the road line according to the point speed limit of the road line accor...

AI Technical Summary

Problems solved by technology

In fact, the definition of the starting point and end point of the road line direction is the characteristic of the data itself. The traffic direction of the road is the expression of the real direction in the real world. When performing line speed limit maintenance, operators need to combine the real road traffic direction and data The combination of abstract expressions in the middle direction is difficult for operators to accept and understand, which affects operation efficiency and data quality

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