CN-122023700-A - Data visualization display method and system for transparent factory of smart site

CN122023700ACN 122023700 ACN122023700 ACN 122023700ACN-122023700-A

Abstract

The application relates to the technical field of transparent factory modeling, in particular to a data visualization display method and a system of a transparent factory of an intelligent site, wherein the method comprises the steps of constructing a BIM model of a water supply and drainage system of a railway site; based on the area characteristics of all triangular grids connected with each vertex in the BIM model and the discrete degree between each vertex and the curvatures of all the vertices directly connected with each vertex, and combining the distances between each vertex and all the vertices directly connected with each vertex, constructing a comprehensive constraint factor, and based on the average level between the comprehensive constraint factors of any two vertices, updating the original edge folding cost between the two corresponding vertices in the QEM algorithm, thereby obtaining the BIM model with simplified water supply and drainage system of the railway site, and further visually displaying the model data of the simplified BIM model. According to the application, the BIM model is folded more accurately, so that the accuracy of visual display of the data of the water supply and drainage system of the railway station is improved.

Inventors

QI FAN
XIN SIYUAN
ZHANG YILONG
DING HAO
QIAO XIAODONG
ZHANG LIHONG

Assignees

中国铁路设计集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260407

Claims (10)

1. The data visualization display method of the transparent factory of the intelligent site is characterized by comprising the following steps of: Constructing a BIM model of a railway station water supply and drainage system; Constructing a first constraint factor of each vertex based on the area difference degree and the area size of all triangular grids connected with each vertex in the BIM model, wherein the first constraint factor is used for representing the detail feature richness contained in the area where each vertex is positioned; constructing a second constraint factor of each vertex based on the discrete degree between each vertex and the curvatures of all the vertices directly connected with each vertex and the distances between each vertex and all the vertices directly connected with each vertex, and constructing a comprehensive constraint factor by combining the first constraint factors, wherein the comprehensive constraint factor is used for increasing the degree of edge folding cost of the edge corresponding to each vertex; Based on the average level between the comprehensive constraint factors of any two vertexes, the original edge folding cost between the corresponding two vertexes in the QEM algorithm is updated, so that a BIM model of the railway station water supply and drainage system after simplification is obtained, and further, the model data of the simplified BIM model is visually displayed.
2. The method for visually displaying data of a transparent factory at a smart site according to claim 1, wherein the method for constructing the first constraint factor for each vertex comprises: All triangular grids connected with each vertex in the BIM model are marked as auxiliary triangular grids of each vertex; calculating standard deviation of all the auxiliary triangular mesh areas of each vertex; calculating the average value of all the auxiliary triangular mesh areas of each vertex; the first constraint factors of the vertexes are in positive correlation with the standard deviation and in negative correlation with the mean value.
3. The data visualization method for displaying a transparent factory of a smart site according to claim 2, wherein the area of each triangular grid is calculated by: Calculating Euclidean distance between any two vertexes in each triangular mesh as the side length of the corresponding side of each triangular mesh; the area of each triangular mesh is calculated based on the side lengths of three sides of each triangular mesh by using a sea-renformula.
4. The method for visualizing and displaying data in a transparent factory at a smart site according to claim 1, wherein the method for constructing the second constraint factor for each vertex comprises: acquiring adjacent vertexes of all vertexes; Calculating standard deviation between curvatures of each vertex and all adjacent vertices thereof; Calculating Euclidean distances between each vertex and each adjacent vertex, and counting the average value of all Euclidean distances; And the second constraint factors of the vertexes are in positive correlation with the standard deviation and in negative correlation with the mean value.
5. The method of claim 4, wherein the adjacent vertex of each vertex is a vertex directly connected to each vertex in the BIM model.
6. The method for visualizing and displaying data in a transparent factory at a smart site as in claim 1, wherein said comprehensive constraint factor is in positive correlation with said first constraint factor and said second constraint factor.
7. The method for visually displaying data of a transparent factory at a smart site according to claim 1, wherein the specific formula for updating the original edge folding cost between two corresponding vertices in the QEM algorithm is as follows: In the formula (I), in the formula (II), Representing updated edge folding cost between the ith vertex and the jth vertex; Representing the mean value between the comprehensive constraint factors of the ith vertex and the jth vertex; representing the original edge folding cost between the ith and jth vertices in the QEM algorithm.
8. The method for visually displaying the data of the transparent factory at the intelligent site according to claim 1, wherein the method for acquiring the BIM model after the simplification of the water supply and drainage system at the railway site is characterized in that the BIM model at the water supply and drainage system at the railway site is used as the input of a QEM algorithm, and in the edge folding process, the edge folding cost between any two vertexes adopts the updated edge folding cost, and the BIM model after the simplification of the water supply and drainage system at the railway site is output.
9. The method for visually displaying data of a transparent factory at a smart site according to claim 1, wherein the specific process of visually displaying model data of a simplified BIM model is as follows: The cloud GIS server is used for configuring the model data of the simplified BIM model of the railway station water supply and drainage system at the front end of Web, so that the data of the railway station water supply and drainage system are visually displayed.
10. A system for visual presentation of data in a transparent factory at a smart site, comprising a memory, a processor and a computer program stored in said memory and running on said processor, wherein said processor, when executing said computer program, performs the steps of a method for visual presentation of data in a transparent factory at a smart site as claimed in any one of claims 1 to 9.

Description

Data visualization display method and system for transparent factory of smart site Technical Field The application relates to the technical field of transparent factory modeling, in particular to a data visualization display method and system for a transparent factory of an intelligent site. Background Along with the digital and intelligent comprehensive upgrade of railway engineering, the construction of a three-dimensional transparent factory of each railway station becomes an upgrading key, the railway station is used as a key node for railway operation, and the matched water supply and drainage engineering is a key for guaranteeing the safe and stable operation of the railway station. In order to improve the monitoring and management efficiency of the water supply and drainage system of the railway station, a transparent factory of the intelligent railway station is mainly constructed by means of a three-dimensional modeling technology at present, and by visualizing the data information of the intelligent railway station of the transparent factory, workers can monitor the running condition of the water supply and drainage system remotely and in real time. BIM+GIS technology is one of the mainstream methods for realizing the visual modeling of the three-dimensional transparent factory of the railway station, but the BIM model body of the water supply and drainage system of the railway station constructed by the method is large, the modeling rate is directly influenced, and the timeliness of visual display of the transparent factory data is low. Although the current QEM (Quadric Error Metrics) grid simplification algorithm can carry out edge folding according to the edge folding cost of the triangular grid to reduce the complexity of the BIM model, the method only considers the distance between grid vertices to measure the edge folding cost, does not measure the edge folding cost according to the detail richness of different positions, and when carrying out edge folding on the triangular grid of key parts such as a valve, a pipeline joint and the like, detail characteristics are easy to lose, so that the key parts of the simplified BIM model are deformed and distorted, and the accuracy of the data visual display of a railway site transparent factory is affected. Disclosure of Invention In order to solve the technical problems, the application aims to provide a data visualization display method and a system for a transparent factory of an intelligent site, and the adopted technical scheme is as follows: in a first aspect, an embodiment of the present application provides a method for visually displaying data in a transparent factory at a smart site, where the method includes the following steps: Constructing a BIM model of a railway station water supply and drainage system; Constructing a first constraint factor of each vertex based on the area difference degree and the area size of all triangular grids connected with each vertex in the BIM model, wherein the first constraint factor is used for representing the detail feature richness contained in the area where each vertex is positioned; constructing a second constraint factor of each vertex based on the discrete degree between each vertex and the curvatures of all the vertices directly connected with each vertex and the distances between each vertex and all the vertices directly connected with each vertex, and constructing a comprehensive constraint factor by combining the first constraint factors, wherein the comprehensive constraint factor is used for increasing the degree of edge folding cost of the edge corresponding to each vertex; Based on the average level between the comprehensive constraint factors of any two vertexes, the original edge folding cost between the corresponding two vertexes in the QEM algorithm is updated, so that a BIM model of the railway station water supply and drainage system after simplification is obtained, and further, the model data of the simplified BIM model is visually displayed. Preferably, the construction method of the first constraint factor of each vertex is as follows: All triangular grids connected with each vertex in the BIM model are marked as auxiliary triangular grids of each vertex; calculating standard deviation of all the auxiliary triangular mesh areas of each vertex; calculating the average value of all the auxiliary triangular mesh areas of each vertex; the first constraint factors of the vertexes are in positive correlation with the standard deviation and in negative correlation with the mean value. Preferably, the area of each triangular mesh is calculated by the following steps: Calculating Euclidean distance between any two vertexes in each triangular mesh as the side length of the corresponding side of each triangular mesh; the area of each triangular mesh is calculated based on the side lengths of three sides of each triangular mesh by using a sea-renformula. Preferably, the construction method of