Method for constructing spatial topological relation in subway station based on SVG map
A technology of topology relationship and spatial topology, applied in the field of indoor navigation, can solve problems such as large workload and pixel value distortion, achieve the effect of strong operability and reduce the workload of labeling
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[0019] A method for constructing spatial topological relationships in subway stations based on SVG maps, including the definition of semantic elements of spatial objects in subway stations in SVG maps.
[0020] Such as figure 1 As shown, the spatial object semantic elements of the subway station map include rooms, areas (including paid areas, non-paid areas, impassable areas), building structures (including walls, columns), facilities, equipment (including recharge machines, ticket machines, security checks machines, turnstiles, elevators, fences). Elevators include escalators, barrier-free elevators (passenger elevators), and stairs.
[0021] For the description of the spatial topological relationship, a two-dimensional array is used to store the spatial topological relationship. The 0th dimension of two-dimensional data represents the row subscript, that is, the y-axis direction in the SVG diagram; the 1st dimension represents the column subscript, that is, the x-axis dire...
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