Research on automatic extracting method of reinforcement information in slab general plan drawing
The process of establishing a three-dimensional model of steel reinforcement based on the construction drawings requires a lot of time and labor cost,and the modeler needs to understand the expression of construction drawing.The existing researches on automated modeling are mostly concentrated in the field of building models,and there is little use of structural plane drawings with large stocks.Taking the two-dimensional slab general plan drawing as the research object,in view of the complex characteristics of slab general plan drawing,the spatial position characteristics and distance characteristics were introduced to limit the screening of the Hough transform results.Information recognition method of slab general plan drawing based on the Hough transform method was proposed,which effectively realizes the plate segmentation of slab general plan drawing and the recognition of steel bar lines at the support.A annotation information data matching method of slab general plan drawing based on drawing rules was proposed,and the annotation information of slab general plan drawing was effectively extracted and output.Finally,the information extraction and matching algorithm was developed to verify the feasibility of the research method in this paper.
slab general plan drawingreinforcement informationannotation extractingHough transform methoddata matching
NETL
NSTL
万方数据
