CN111767619A - Rapid modeling method for existing municipal engineering pipeline model - Google Patents

Abstract

The invention particularly relates to a rapid modeling method of an existing municipal engineering pipeline model; the method comprises the steps of screening data of original form information detected by a project object; carrying out data classification and arrangement; coordinate conversion is carried out on the information plane coordinates and the elevation information of the geophysical prospecting form, a coordinate system is unified, and data information points are generated; generating a three-dimensional digital model of the inspection well according to data point information at the position of the inspection well, which is provided by geophysical prospecting; according to the connection information of the existing pipelines provided by geophysical prospecting, all data information points are connected in sequence according to the pipeline specialties under a unified coordinate system to generate data information lines; establishing a cross section profile model of the pipeline; generating a pipeline three-dimensional digital information model; performing pipeline connection processing between different data information lines; and integrating all three-dimensional digital information models, and performing pipeline collision inspection. The method can be applied by simply processing basic data information obtained by the existing geophysical prospecting, and achieves the effect of rapid modeling.

Description

Rapid modeling method for existing municipal engineering pipeline model

Technical Field

The invention relates to the field of municipal engineering reconstruction engineering, in particular to a rapid modeling method of an existing municipal engineering pipeline model.

Background

At present, municipal engineering projects are more and more, and many municipal engineering projects need geophysical prospecting before construction to ascertain the existing pipeline position information under the ground and nearby, and provide a basis for existing municipal pipeline transformation and optimization. The existing pipeline information obtained by geophysical prospecting comprises information such as the position of a service well of a pipeline, pipeline materials, pipe diameter or section size and the like. The method is characterized in that the method is provided in a form, the relative position of the method and a newly-built municipal pipeline is not clear and intuitive, and inconvenience is brought to construction modification and optimization of subsequent projects.

Disclosure of Invention

The invention aims to overcome the defects and provides a method for quickly creating a municipal three-dimensional pipeline model through an existing pipeline form.

In order to achieve the above object, the present invention is realized by:

a rapid modeling method for an existing municipal engineering pipeline model comprises

Step 1, performing data screening on original form information detected by a project object, and eliminating digitally created useless information;

step 2, carry out data classification arrangement according to municipal works sewage, rainwater, feedwater, gas, each specialty of electric power to arrange out the data message of each specialty, include: the method comprises the following steps of (1) data information of pipeline speciality, well workover, connection serial number, pipe diameter or section size, pipeline material, plane coordinates, elevation and burial depth;

step 3, according to the project condition, performing coordinate conversion on the plane coordinates and the elevation information of the geophysical prospecting form information, unifying a coordinate system, and generating each data information point according to the plane coordinates and the elevation information of the existing pipeline;

step 4, generating a three-dimensional digital model of the inspection well according to data point information at the position of the inspection well provided by geophysical prospecting;

step 5, according to the connection information of the existing pipelines provided by geophysical prospecting, all data information points are connected in sequence according to the pipeline specialties under a unified coordinate system, and data information lines are generated;

step 6, establishing a cross section profile model of the pipeline according to the pipe diameter or section size information provided by geophysical prospecting;

step 7, endowing the contour model in the step 6 with pipeline material information, and generating a pipeline three-dimensional digital information model based on the data information line generated in the step 5;

step 8, performing pipeline connection processing among different data information lines;

step 9, checking the generated three-dimensional digital pipeline single professional model; and integrating all three-dimensional digital information models, and performing pipeline collision inspection to facilitate subsequent pipeline optimization and construction.

The modeling method provided by the invention has the following advantages:

1. the method can generate the three-dimensional digital information model from the traditional form information of the existing municipal engineering pipeline;

2. the method can be applied by simply processing basic data information obtained by the existing geophysical prospecting, and achieves the effect of rapid modeling;

3. the method accurately creates the existing model through classification and carding, coordinate conversion and model checking.

Drawings

Fig. 1 is a schematic diagram of geophysical information.

Detailed Description

The invention is further illustrated by the following specific examples.

As shown in figure 1, a rapid modeling method of an existing municipal engineering pipeline model comprises the steps of

Step 1, performing data screening on original form information detected by a project object, and eliminating digitally created useless information;

step 2, carry out data classification arrangement according to municipal works sewage, rainwater, feedwater, gas, each specialty of electric power to arrange out the data message of each specialty, include: the method comprises the following steps of (1) data information of pipeline speciality, well workover, connection serial number, pipe diameter or section size, pipeline material, plane coordinates, elevation and burial depth;

step 3, according to the project condition, performing coordinate conversion on the plane coordinates and the elevation information of the geophysical prospecting form information, unifying a coordinate system, and generating each data information point according to the plane coordinates and the elevation information of the existing pipeline;

step 4, generating a three-dimensional digital model of the inspection well according to data point information at the position of the inspection well provided by geophysical prospecting;

step 5, according to the connection information of the existing pipelines provided by geophysical prospecting, all data information points are connected in sequence according to the pipeline specialties under a unified coordinate system, and data information lines are generated;

step 6, establishing a cross section profile model of the pipeline according to the pipe diameter or section size information provided by geophysical prospecting;

step 7, endowing the contour model in the step 6 with pipeline material information, and generating a pipeline three-dimensional digital information model based on the data information line generated in the step 5;

step 8, performing pipeline connection processing among different data information lines;

step 9, checking the generated three-dimensional digital pipeline single professional model; and integrating all three-dimensional digital information models, and performing pipeline collision inspection to facilitate subsequent pipeline optimization and construction.

The modeling method provided by the invention has the following advantages:

1. the method can generate the three-dimensional digital information model from the traditional form information of the existing municipal engineering pipeline;

2. the method can be applied by simply processing basic data information obtained by the existing geophysical prospecting, and achieves the effect of rapid modeling;

3. the method accurately creates the existing model through classification and carding, coordinate conversion and model checking.

Claims (1)

1. A rapid modeling method of an existing municipal engineering pipeline model is characterized by comprising the following steps: comprises that

Step 1, performing data screening on original form information detected by a project object, and eliminating digitally created useless information;

step 2, carry out data classification arrangement according to municipal works sewage, rainwater, feedwater, gas, each specialty of electric power to arrange out the data message of each specialty, include: the method comprises the following steps of (1) data information of pipeline speciality, well workover, connection serial number, pipe diameter or section size, pipeline material, plane coordinates, elevation and burial depth;

step 3, according to the project condition, performing coordinate conversion on the plane coordinates and the elevation information of the geophysical prospecting form information, unifying a coordinate system, and generating each data information point according to the plane coordinates and the elevation information of the existing pipeline;

step 4, generating a three-dimensional digital model of the inspection well according to data point information at the position of the inspection well provided by geophysical prospecting;

step 5, according to the connection information of the existing pipelines provided by geophysical prospecting, all data information points are connected in sequence according to the pipeline specialties under a unified coordinate system, and data information lines are generated;

step 6, establishing a cross section profile model of the pipeline according to the pipe diameter or section size information provided by geophysical prospecting;

step 7, endowing the contour model in the step 6 with pipeline material information, and generating a pipeline three-dimensional digital information model based on the data information line generated in the step 5;

step 8, performing pipeline connection processing among different data information lines;

step 9, checking the generated three-dimensional digital pipeline single professional model; and integrating all three-dimensional digital information models, and performing pipeline collision inspection to facilitate subsequent pipeline optimization and construction.

Images