| With the rapid development of Urbanization,the construction of urban roads and residents is changing rapidly,which makes the level of geospatial data change more and more,which brings challenges to the updating and sharing of geospatial data.Spatial data matching is the premise and key technology of spatial data updating and sharing,only to solve the matching problem between the old and new data,we can better solve the spatial data update,integration and fusion,and multi-scale expression.This paper selects the most active factor of roads and habitation of these two types of city maps as the research object,imitates the human thinking process of searching for target objects by the signal features and spatial correlation when reading maps,regarding matching as a reasoning process of goal feature searching and information association transmitting.put forward a kind of linkage matching strategy to solve some problems exist in the roads and habitation in a match.The main work and innovation are as follows:(1)A linkage matching method for road network considering the similarity of upper and lower spatial relation is proposed.Aiming at the problem that the current road matching method is matched from the characteristics of the arc node of the road itself,wh ich affects the further improvement of matching accuracy and efficiency,a road network linkage matching method is proposed.This paper studies how to use Stroke technology to classify the complex road network,and elaborates the construction process of the road network linkage matching model.And finally select the prominent high-grade backbone road as the starting feature object,and calculate the similarity between the upper and lower spatial relations,step by step iterations to transport the matching information in the road network linkage matching model,resulting in matching results.(2)A linkage matching method for road and habitation by using urban skeleton line network is proposed.Imitate the human perception of the map and thinking habits,so th at roads and habitation in the match to become an important reference to each other;extraction of urban skeleton lines,the use of skeleton lines to establish the road and the topographic relationship between habitation and road.The topological relationship among road,skeleton line,skeleton line mesh,habitation is constructed;matching transmission model is established by the topological relationship.According to this matching transmission model,linkage matching is fulfilled,which contains road matching drives habitation matching or habitation matching drives road matching.The method solves the problem that the degree of consistency is not high,and the matching accuracy and efficiency are improved.(3)A linkage matching method for multi-scale road and habitation land by using hierarchical reasoning is proposed.There are a lot of complex non-one-to-one correspondence between multi-scale road and habitation data,and it is difficult to improve the matching accuracy rate.A multi-scale road and habitation land linkage matching method with hierarchical reasoning is proposed.This paper studies the combination of Stroke technology and urban skeleton line technology.Based on the road grading,the Stroke mesh is divided into two parts by using the urban grading.According to the linkage matching model,the matching result of the multi-scale inhabitants is obtained from the outer and inner reasoning,and the 1: N matches in the multi-scale road or residential data are solved by using the results of the external contour road matching as the positioning reference.(4)An experimental system for road and habitation has been designed and fulfilled.The scientific and validity of the theories and methods mentioned in this paper are verified by using the data of the same area and the multi-source and multi-scale road and habitation data in the same area. |
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