CN118012978A - Contaminated site data processing method and system based on BIM-GIS technology - Google Patents
Contaminated site data processing method and system based on BIM-GIS technology Download PDFInfo
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- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 212
- 239000002689 soil Substances 0.000 claims abstract description 146
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000003673 groundwater Substances 0.000 claims abstract description 53
- 238000013507 mapping Methods 0.000 claims description 92
- 238000009792 diffusion process Methods 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 31
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- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000003895 groundwater pollution Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000003904 radioactive pollution Methods 0.000 description 2
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- 238000013499 data model Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The invention provides a pollution site data processing method and system based on a BIM-GIS technology, which are used for receiving monitoring requirements of a monitoring end, intercepting a preset BIM model according to the monitoring requirements to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model, obtaining pollution site information of a GIS information module, the pollution site information comprises a pollution boundary and a pollution type, carrying out soil area update on the soil monitoring model according to the pollution boundary to generate an updated soil model, carrying out treatment on the pollution type and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, updating the groundwater monitoring model according to the polluted water area to generate an updated water model, generating a survey model according to the updated soil model and the updated water model, and sending the survey model to the monitoring end for display.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a polluted site data processing method and system based on BIM-GIS technology.
Background
BIM technology refers to drawing a three-dimensional model by using computer software, namely a three-dimensional model which is usually said. GIS technology refers to a geographic information system, which is a system that creates, manages, analyzes and draws all types of data. The BIM technology and the GIS technology are combined and applied to pollution monitoring of the pollution site, the monitored pollution site information can be imported into the built model, and three-dimensional visual display of the pollution site is achieved, so that the pollution condition of the pollution site is displayed more intuitively, and efficient and comprehensive monitoring and analysis are achieved.
In the prior art, when monitoring a polluted site, a monitoring person may monitor the polluted site only by using a video and an artificial monitoring method, and the obtained monitoring data of the polluted site are more, so that the monitoring analysis of a polluted area of the polluted site cannot be effectively performed, and meanwhile, more accurate pollution prediction cannot be performed.
Therefore, how to perform high-efficiency monitoring analysis on a pollution area of a pollution site based on BIM technology and GIS technology and perform relatively accurate pollution prediction at the same time becomes a problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides a pollution site data processing method and system based on BIM-GIS technology, which are used for efficiently monitoring and analyzing a pollution area of a pollution site based on the BIM technology and the GIS technology and simultaneously carrying out more accurate pollution prediction.
In a first aspect of the embodiment of the present invention, a contaminated site data processing method based on a BIM-GIS technology is provided, including:
Receiving a monitoring demand of a monitoring end, and intercepting a preset BIM model according to the monitoring demand to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
the method comprises the steps of obtaining pollution land block information of a GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating a soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model;
processing the pollution types and the updated soil model based on a prediction strategy to generate corresponding polluted water areas, updating the groundwater monitoring model according to the polluted water areas, and generating an updated water model;
generating a survey model according to the updated soil model and the updated water model, and sending the survey model to a monitoring end for display.
In one possible implementation manner of the first aspect, optionally,
The monitoring demand of receiving monitoring end is according to monitor demand intercepts the processing to predetermineeing BIM model, obtains the monitoring model, the monitoring model includes the soil monitoring model on upper strata and the groundwater monitoring model of lower floor, includes:
Receiving a monitoring requirement of a monitoring end, and analyzing the monitoring requirement to obtain requirement plane information, wherein the requirement plane information is a requirement area formed by a plurality of continuous and marginal plane position information;
Intercepting the preset BIM model according to the required plane information to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
The preset BIM comprises an upper-layer soil BIM model and a lower-layer groundwater BIM model, and the soil BIM model and the lower-layer groundwater BIM model comprise preset plane position information and depth position information corresponding to each point.
In one possible implementation manner of the first aspect, optionally,
The method for obtaining the polluted land block information of the GIS information module, wherein the polluted land block information comprises a polluted boundary and polluted types, and the method comprises the steps of updating a soil area of the soil monitoring model according to the polluted boundary to generate an updated soil model, and comprises the following steps:
A GIS information module is called, land block pixel points of each polluted land block are obtained according to the GIS information module, and polluted land block information is obtained according to the land block pixel points, wherein the polluted land block information comprises pollution boundaries and pollution types;
A preset pixel value list corresponding to the pollution type is called, a corresponding polluted land block is updated according to the pollution boundary, and an updated polluted land block is generated based on the pixel value update of the preset pixel value list;
And updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model.
In one possible implementation manner of the first aspect, optionally,
The GIS information module is called, according to the GIS information module, the plot pixel points of each polluted plot are obtained, and according to the plot pixel points, the polluted plot information comprises pollution boundaries and pollution types, and the method comprises the following steps:
Obtaining land parcel pixel points of each polluted land parcel according to the GIS information module, determining a plurality of land parcel edge pixel points according to the plane position information, connecting the land parcel edge pixel points to obtain a polluted land parcel outline, and obtaining a polluted boundary based on the polluted land parcel outline;
obtaining the pixel value of each block of pixel points, calling a preset pixel value list, comparing the pixel value of each block of pixel points according to the preset pixel value list, and obtaining the pollution type corresponding to each polluted block;
And obtaining pollution land parcel information according to the pollution boundary and the pollution type.
In one possible implementation manner of the first aspect, optionally,
And updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model, comprising the following steps:
According to the pollution boundary, acquiring a first longitude and latitude of each updated pollution land, and comparing the first longitude and latitude with plane position information and depth position information corresponding to the soil monitoring model to generate an upper layer comparison result;
And eliminating plane position information and depth position information which do not correspond to the first longitude and latitude according to the upper layer comparison result, and generating an updated soil model.
In one possible implementation manner of the first aspect, optionally,
The method for generating the polluted water area comprises the steps of processing the polluted variety and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, and comprises the following steps:
a prediction strategy is called, the current pollution depth of a polluted land block corresponding to a pollution type is obtained according to the prediction strategy, and preset depth position information corresponding to each point in a soil BIM model is compared with the current pollution depth to obtain a plurality of depth comparison results;
Judging according to each depth comparison result, if the current pollution depth is greater than the depth position information, marking the corresponding point to generate a mapping pixel point, and connecting each mapping pixel point to obtain a pollution mapping range;
and carrying out equal ratio amplification on the pollution mapping range to obtain a pollution diffusion range, and generating a corresponding polluted water area according to the pollution mapping range and the pollution diffusion range.
In one possible implementation manner of the first aspect, optionally,
The pollution mapping range is amplified in an equal ratio to obtain a pollution diffusion range, and a corresponding polluted water area is generated according to the pollution mapping range and the pollution diffusion range, and the method comprises the following steps:
Obtaining a mapping coefficient list, calling a mapping coefficient corresponding to the pollution type according to the mapping coefficient list, and carrying out equal ratio amplification on the pollution mapping range according to the mapping coefficient to obtain a pollution diffusion range;
and respectively acquiring range center points corresponding to the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain a polluted water area.
In one possible implementation manner of the first aspect, optionally,
The step of respectively obtaining the range center points of the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain a polluted water area, wherein the step of obtaining the polluted water area comprises the following steps:
Respectively acquiring longitude and latitude sets of the pollution mapping range and the pollution diffusion range according to the plane position information, and respectively acquiring a maximum latitude value, a minimum latitude value, a maximum longitude value and a minimum longitude value in the longitude and latitude sets corresponding to the pollution mapping range and the pollution diffusion range;
obtaining a latitude center value according to the median of the maximum latitude value and the minimum latitude value, and combining the latitude center value and the longitude center value according to the median of the maximum longitude value and the minimum longitude value to obtain a range center point corresponding to a pollution mapping range and a pollution diffusion range respectively;
And superposing the pollution mapping range and the pollution diffusion range according to the range center point to obtain a polluted water area.
In one possible implementation manner of the first aspect, optionally,
Updating the groundwater monitoring model according to the contaminated water area to generate an updated water model, including:
acquiring a second longitude and latitude of the polluted water area, and comparing the second longitude and latitude with plane position information and depth position information corresponding to the underground water monitoring model to generate a lower layer comparison result;
and eliminating plane position information and depth position information which do not correspond to the second longitude and latitude according to the lower layer comparison result, and generating an updated water model.
In a second aspect of the embodiment of the present invention, a contaminated site data processing system based on a BIM-GIS technology is provided, including:
The intercepting unit is used for receiving the monitoring requirement of the monitoring end, intercepting the preset BIM model according to the monitoring requirement to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
the updating unit is used for acquiring pollution land block information of the GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating the soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model;
the prediction unit is used for processing the pollution types and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, updating the underground water monitoring model according to the polluted water area and generating an updated water model;
and the display unit is used for generating a survey model according to the updated soil model and the updated water model and sending the survey model to a monitoring end for display.
According to the technical scheme provided by the invention, when monitoring personnel need to monitor the pollution condition of a certain area, the selected monitoring area is intercepted on a preset whole monitoring area BIM model according to the monitoring area selected by the monitoring personnel, so that a monitoring model meeting the requirements of the monitoring personnel is obtained, and the monitoring model is a double-layer model comprising an upper-layer soil model and a lower-layer groundwater model. Pollution information of the monitored area is determined through GIS technology. And updating the soil model according to the pollution range and the pollution source in the pollution information to obtain an updated soil model. And the monitoring personnel processes the updated soil model by combining the pollution source and the pollution range to obtain the range of polluted groundwater in the groundwater model, and updates the groundwater model through the range of polluted groundwater to obtain the updated groundwater model. And combining the updated soil model with the updated groundwater model to obtain a comprehensive model, and sending the comprehensive model to monitoring staff for checking. The method is favorable for efficiently monitoring and analyzing the pollution area of the pollution site and simultaneously carrying out more accurate pollution prediction.
According to the technical scheme provided by the invention, the position information of each point forming the selected area is obtained through the selected area of the monitoring personnel, the plane information and the depth information corresponding to the area are obtained through the position information of each point, and the preset BIM model is intercepted to obtain a monitoring model which meets the conditions, wherein the monitoring model comprises a soil monitoring model and a groundwater monitoring model. According to the GIS technology, the pixel value corresponding to the pollution source is obtained, and the pixel value of the soil area in the soil monitoring model is updated by combining the pollution range, so that an updated soil model is obtained. The method is favorable for efficiently monitoring and analyzing the pollution area of the pollution site and simultaneously carrying out more accurate pollution prediction.
According to the technical scheme provided by the invention, the specific pollution depth of the pollution source is compared with the depth position of the soil in the updated soil model, so that a pollution mapping range is obtained. And (3) calling a diffusion coefficient corresponding to the pollution source, and carrying out equal-ratio amplification on the mapping range of the pollution according to the diffusion coefficient to obtain the pollution diffusion range corresponding to the pollution source. And calculating the center points of the mapping range and the diffusion range, and carrying out superposition processing on the two ranges according to the center points to obtain the polluted water area. And updating the underground water monitoring model according to the polluted water area to obtain an updated water model. The method is favorable for efficiently monitoring and analyzing the pollution area of the pollution site and simultaneously carrying out more accurate pollution prediction.
Drawings
Fig. 1 is a schematic flow chart of a polluted site data processing method based on a BIM-GIS technology according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
The invention provides a polluted site data processing method based on BIM-GIS technology, as shown in figure 1, which specifically comprises the following steps:
S1, receiving a monitoring demand of a monitoring end, and intercepting a preset BIM model according to the monitoring demand to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model.
According to the technical scheme provided by the invention, the monitoring requirement refers to a specific designated area which is required to be monitored by the monitoring end within a range. For example, the monitoring area is the whole Beijing city, but the monitoring end does not need to monitor the large range, and only the Beijing city, the Yankee area is monitored, so the area of the Beijing city, the Yankee area, is designated as the monitoring requirement of the monitoring end.
According to the monitoring requirements of the monitoring end, intercepting processing is needed to be carried out on a preset BIM model, and a monitoring model meeting the monitoring end requirements is obtained. The preset BIM model is a BIM model preset by the monitoring end, the BIM model can establish a 3D space model based on the monitoring land parcels, monitoring information in a database can be imported into the established model, and the theoretical design data and the actual detection data in the model are combined to more intuitively reflect the problems existing in the polluted land parcels. The monitoring model is a data model corresponding to the monitoring requirement after the monitoring end intercepts the preset BIM model according to the monitoring requirement, and the data information of the monitoring area required by the monitoring end is displayed in a customized mode.
The monitoring model comprises an upper soil monitoring model and a lower groundwater monitoring model. It can be known that the monitoring model is a double-layer model and has a structure of an upper layer and a lower layer. The upper layer is a soil monitoring model that displays soil specific pollution data. The lower layer is a groundwater monitoring model for displaying groundwater specific pollution data.
In a possible implementation manner, the method provided by the invention comprises the following steps S1, S13, wherein the step S1 (receiving the monitoring requirement of a monitoring end) is used for intercepting a preset BIM model according to the monitoring requirement to obtain a monitoring model, and the monitoring model comprises an upper soil monitoring model and a lower groundwater monitoring model:
And S11, receiving a monitoring requirement of a monitoring end, and analyzing the monitoring requirement to obtain requirement plane information, wherein the requirement plane information is a requirement area formed by a plurality of continuous and marginal plane position information.
According to the technical scheme provided by the invention, the monitoring requirement of the monitoring end is received, wherein the monitoring requirement refers to a specific designated area which is required to be monitored by the monitoring end in a range. Analyzing the monitoring requirement to obtain requirement plane information, wherein the requirement plane information is specific block plane information of the detected area. The required plane information is a required area composed of a plurality of continuous, edge plane position information. The plane position information is specific longitude and latitude information of the monitored land block, and can be understood as a plurality of continuous and marginal plane position information to form the demand area, and the demand area can be used for intercepting a preset BIM model.
And step S12, intercepting the preset BIM model according to the required plane information to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model.
According to the technical scheme provided by the invention, the preset BIM model is intercepted according to the requirement plane information, so that the monitoring model corresponding to the monitoring requirement of the monitoring end is obtained. The monitoring model comprises an upper soil monitoring model and a lower groundwater monitoring model. It can be known that the monitoring model is a double-layer model and has a structure of an upper layer and a lower layer. The upper layer is a soil monitoring model that displays soil specific pollution data. The lower layer is a groundwater monitoring model for displaying groundwater specific pollution data.
Step S13, wherein the preset BIM model comprises an upper-layer soil BIM model and a lower-layer groundwater BIM model, and the soil BIM model and the lower-layer groundwater BIM model comprise preset plane position information and depth position information corresponding to each point.
According to the technical scheme provided by the invention, the preset BIM model comprises an upper-layer soil BIM model and a lower-layer groundwater BIM model. It can be understood that the preset BIM model is also a double-layer model before interception, and consists of an upper-layer soil BIM model and a lower-layer groundwater BIM model, so that data of a monitoring area can be intuitively displayed.
The upper-layer soil BIM model and the lower-layer groundwater BIM model comprise preset plane position information and depth position information corresponding to each point. The depth position information is specific longitude and latitude information of the monitored land block obtained according to the plane position information, and the soil depth of each point between the upper layer soil and the lower layer groundwater is calculated.
And S2, obtaining pollution land block information of the GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating the soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model.
According to the technical scheme provided by the invention, the polluted land block information of the GIS information module is obtained. The GIS information module is mainly used for acquiring surrounding information of the polluted land block in the demand area, and the GIS information can be combined with the BIM model to realize three-dimensional visual display of the polluted land block, so that the pollution condition of the polluted land block is displayed more intuitively, and efficient and safe monitoring and analysis are effectively realized.
Specifically, the contaminated site information includes contaminated boundaries and contaminated types. The pollution boundary is the pollution range of pollution sources of different pollution types corresponding to the pollution land parcels. The pollution source is a pollution source type causing land block pollution, such as mercury pollution source, phenol pollution source, heat pollution source, radioactive pollution source and the like.
According to the mode, the soil area of the soil monitoring model is updated through the pollution boundary of the pollution source, and the updated soil model is generated. It will be appreciated that each source of contamination has a corresponding different pixel value. For example, assuming that the pollution type a corresponds to a red pixel value and the pollution type B corresponds to a yellow pixel value, after determining the pollution boundary of the pollution type, updating the pixel values of the soil areas corresponding to different pollution types in the soil monitoring model according to the pollution boundary of each pollution type to obtain an updated soil model.
In one possible implementation manner, the step S2, (obtaining the polluted land block information of the GIS information module, where the polluted land block information includes a polluted boundary and a polluted type, and updating the soil area of the soil monitoring model according to the polluted boundary to generate an updated soil model) specifically includes the following steps S21-S23, which specifically include:
And S21, calling a GIS information module, acquiring land block pixel points of each polluted land block according to the GIS information module, and obtaining polluted land block information according to the land block pixel points, wherein the polluted land block information comprises pollution boundaries and pollution types.
According to the technical scheme provided by the invention, the pixel points of the polluted plots are obtained according to the GIS information module, and the pixel points of the plots are the pixel points corresponding to the polluted plots in each required area. The GIS information module is mainly used for acquiring surrounding information of the polluted land block in the demand area, and the GIS information can be combined with the BIM model to realize three-dimensional visual display of the polluted land block, so that the pollution condition of the polluted land block is displayed more intuitively, and efficient and safe monitoring and analysis are effectively realized.
Specifically, polluted land parcel information corresponding to the polluted land parcel can be obtained according to the land parcel pixel points. The contaminated plot information includes contaminated boundaries and contaminated categories. The pollution boundary is the pollution range of pollution sources of different pollution types corresponding to the pollution land parcels. The pollution source is a pollution source type causing land block pollution, such as mercury pollution source, phenol pollution source, heat pollution source, radioactive pollution source and the like.
And S22, calling a preset pixel value list corresponding to the pollution type, updating the pixel value of the corresponding polluted land block based on the preset pixel value list according to the pollution boundary, and generating an updated polluted land block.
According to the technical scheme provided by the invention, the preset pixel value list corresponding to the pollution types is called, wherein the preset pixel value list is a preset pixel value comparison list according to different pollution types. It can be known that different pollution types correspond to different pixel values, for example, assume that the pollution type a corresponds to a red pixel value and the pollution type B corresponds to a yellow pixel value, and the pollution type can be determined after comparing the pixel values according to a preset pixel value list. And updating the pixel values of the soil areas corresponding to different pollution types in the soil monitoring model based on a preset pixel value list according to the pollution boundaries corresponding to the pollution types, and generating an updated polluted land block. Updating the polluted land block is to replace the pixel value of the soil area.
And S23, updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model.
According to the technical scheme provided by the invention, the corresponding soil area in the soil monitoring model is updated according to the updated polluted land block, so that the updated soil model is obtained.
In a possible implementation manner, the step S21, (of retrieving the GIS information module) obtains the land parcel pixels of each polluted land parcel according to the GIS information module, and obtains the polluted land parcel information according to the land parcel pixels, where the polluted land parcel information includes pollution boundaries and pollution types) specifically includes the following steps S24-S26, which specifically include:
and S24, obtaining land parcel pixel points of each polluted land parcel according to the GIS information module, determining a plurality of land parcel edge pixel points according to the plane position information, connecting the land parcel edge pixel points to obtain a polluted land parcel outline, and obtaining a polluted boundary based on the polluted land parcel outline.
According to the technical scheme provided by the invention, the pixel points of the polluted plots are obtained according to the GIS information module, and the pixel points of the plots are the pixel points corresponding to the polluted plots in each required area. And determining longitude and latitude coordinate information of each block pixel point according to the plane position information. According to longitude and latitude coordinate information of each block pixel point, a plurality of pixel points positioned at the edge of the polluted block can be determined, namely a plurality of block edge pixel points. And sequentially connecting pixel points at the edge of each land parcel to obtain a polluted land parcel outline, and obtaining a polluted boundary according to the polluted land parcel outline.
Step S25, obtaining the pixel values of the land areas of the pixel points of each land area, calling a preset pixel value list, comparing the pixel values of the pixel points of each land area according to the preset pixel value list, and obtaining the pollution types corresponding to each polluted land area.
According to the technical scheme provided by the invention, the pixel values of the pixel points of each land block are obtained, and a preset pixel value list is called, wherein the preset pixel value list is a preset pixel value comparison list according to different pollution types. And comparing according to a preset pixel value list to obtain pollution types corresponding to each polluted land. It can be known that different pollution types correspond to different pixel values, for example, assume that the pollution type a corresponds to a red pixel value and the pollution type B corresponds to a yellow pixel value, and the pollution types corresponding to each polluted land block can be determined after comparing the pixel values according to a preset pixel value list.
And S26, obtaining polluted land block information according to the polluted boundary and the polluted variety.
According to the technical scheme provided by the invention, the polluted land block information corresponding to the polluted land block can be obtained according to the polluted boundary and the polluted type corresponding to the polluted land block.
In a possible implementation manner, the step S23 (updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model) specifically includes the following steps S27-S28, which specifically include the following steps:
And S27, acquiring first longitudes and latitudes of each updated polluted land block according to the polluted boundary, and comparing the first longitudes and latitudes with the plane position information and the depth position information corresponding to the soil monitoring model to generate an upper layer comparison result.
According to the technical scheme provided by the invention, the first longitude and latitude of each updated polluted land block is obtained according to the polluted boundary, wherein the first longitude and latitude is the longitude and latitude information corresponding to each pixel point in each updated polluted land block. And comparing the first longitude and latitude with the plane position information and the depth position information corresponding to each pixel point in the soil monitoring model to generate an upper layer comparison result. The upper layer comparison result is a comparison result for determining whether the first longitude and latitude correspond to the plane position information and the depth position information of the soil monitoring model.
And S28, eliminating plane position information and depth position information which do not correspond to the first longitude and latitude according to the upper layer comparison result, and generating an updated soil model.
According to the technical scheme provided by the invention, according to the upper layer comparison result, the plane position information and the depth position information of the pixel points in the soil monitoring model which do not correspond to the first longitude and latitude of the updated polluted land are removed, and the updated soil model is generated.
And step S3, treating the pollution types and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, and updating the underground water monitoring model according to the polluted water area to generate an updated water model.
According to the technical scheme provided by the invention, the pollution types and the updated soil model are treated based on the prediction strategy, so that the corresponding polluted water area is generated. The prediction strategy is a method for predicting groundwater pollution.
Specifically, according to the specific pollution depth of the pollution type, comparing the specific pollution depth with the depth position information of the updated soil model to obtain a pollution mapping range. And (3) calling a diffusion coefficient corresponding to the pollution type, and amplifying the mapping range of the pollution according to the diffusion coefficient to obtain a corresponding diffusion range. And calculating the center points of the mapping range and the diffusion range, and performing superposition treatment on the two ranges to obtain a polluted water area. By the mode, the groundwater monitoring model is updated according to the polluted water area, and the updated water model is generated.
In one possible implementation manner, the technical scheme provided by the invention specifically includes the following steps S31-S33 (processing the pollution types and the updated soil model based on a prediction strategy to generate corresponding polluted water areas) in step S3, wherein the specific steps are as follows:
And S31, invoking a prediction strategy, acquiring the current pollution depth of the polluted land block corresponding to the pollution type according to the prediction strategy, and comparing the preset depth position information corresponding to each point in the soil BIM model with the current pollution depth to obtain a plurality of depth comparison results.
According to the technical scheme provided by the invention, the prediction strategy is called, and the current pollution depth of the polluted land block corresponding to the pollution type is obtained according to the prediction strategy. The prediction strategy is a method for predicting groundwater pollution. The current pollution depth is the actual pollution depth of the pollution source corresponding to the pollution type in the soil of the polluted land at the current moment.
Specifically, preset depth position information corresponding to each point in the soil BIM model is compared with the current pollution depth, and a plurality of depth comparison results are obtained. And the depth comparison result is a result obtained by comparing the current pollution depth with depth position information preset in the soil BIM model, and the method is convenient for judging the pollution condition of the underground water and predicting the range of the subsequent polluted underground water according to the depth comparison result. For example, if the preset depth position information of the point A in the soil BIM model is three meters and the current pollution depth is five meters, then the point A in the soil BIM model is indicated to be possibly polluted into underground water. And the preset depth position information of the point B in the soil BIM model is nine meters, and the current pollution depth is five meters, so that the point B in the soil BIM model is indicated to be temporarily free from polluting groundwater.
And S32, judging according to the depth comparison results, if the current pollution depth is greater than the depth position information, marking the corresponding points to generate mapped pixel points, and connecting the mapped pixel points to obtain a pollution mapping range.
According to the technical scheme provided by the invention, judgment is carried out according to each depth comparison result, and if the current pollution depth is greater than the depth position information, the corresponding point in the soil BIM model is marked to generate a mapping pixel point. And mapping the pixel point to the bottommost pixel point beyond the depth position information preset by the point according to the current pollution depth. And counting a plurality of mapping pixel points, and connecting the mapping pixel points corresponding to each point to obtain a pollution mapping range. And the pollution mapping range is the range which is permeated outside the depth position information preset in the soil BIM model and used for generating pollution to underground water.
And step S33, carrying out equal ratio amplification on the pollution mapping range to obtain a pollution diffusion range, and generating a corresponding polluted water area according to the pollution mapping range and the pollution diffusion range.
According to the technical scheme provided by the invention, the pollution mapping range is amplified in an equal ratio to obtain the pollution diffusion range, wherein the pollution diffusion range is the range for diffusion extension according to different characteristics of various pollution types in soil. The pollution diffusion range has the effect of realizing pollution prediction on the groundwater area possibly polluted in the future. And obtaining a polluted water area according to the pollution mapping range and the pollution diffusion range. The contaminated water area is composed of a pollution map range and a pollution spread range, and thus includes an area of groundwater that may be contaminated in practice, and an area of groundwater that may be contaminated in the future.
In a possible implementation manner, the step S33, (the pollution mapping range is amplified in an equal ratio to obtain a pollution diffusion range, and a corresponding polluted water area is generated according to the pollution mapping range and the pollution diffusion range) specifically includes the following steps S34 to S35, which are specifically as follows:
Step S34, a mapping coefficient list is obtained, a mapping coefficient corresponding to the pollution type is called according to the mapping coefficient list, and the pollution mapping range is subjected to equal ratio amplification according to the mapping coefficient to obtain a pollution diffusion range.
According to the technical scheme provided by the invention, a mapping coefficient list is obtained, wherein the mapping coefficient list is a list obtained by counting the range coefficients of diffusion extension of each pollution type according to different characteristics of each pollution type in soil. And calling the mapping coefficient corresponding to the pollution type according to the mapping coefficient list. The mapping coefficient is a range coefficient in which diffusion expansion is performed according to different characteristics of each contaminated species in the soil. And (5) carrying out equal ratio amplification on the pollution mapping range according to the mapping coefficient to obtain a pollution diffusion range. For example, if the mapping coefficient of the type a pollution in the mapping coefficient list is 1.5, the pollution mapping range corresponding to the type a pollution is amplified by 1.5 times to obtain the pollution diffusion range corresponding to the type a pollution.
And S35, respectively acquiring range center points of the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain a polluted water area.
According to the technical scheme provided by the invention, the range center points corresponding to the pollution mapping range and the pollution diffusion range are respectively obtained. The center point of the range is the center point of the pollution mapping range and the pollution diffusion range. And superposing the pollution mapping range and the pollution diffusion range according to the range center point to obtain a polluted water area. The contaminated water area is composed of a pollution map range and a pollution spread range, and thus includes an area of groundwater that may be contaminated in practice, and an area of groundwater that may be contaminated in the future.
In a possible implementation manner, the step S35, (respectively obtaining the range center points of the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain the polluted water area) specifically includes the following steps S36-S38, which specifically include the following steps:
Step S36, according to the plane position information, acquiring latitude and longitude sets of the pollution mapping range and the pollution diffusion range, and acquiring a maximum latitude value, a minimum latitude value, a maximum longitude value and a minimum longitude value in the latitude and longitude sets corresponding to the pollution mapping range and the pollution diffusion range.
According to the technical scheme provided by the invention, longitude and latitude sets of the pollution mapping range and the pollution diffusion range are respectively obtained according to longitude and latitude information in the plane position information. And the longitude and latitude set is a set obtained by counting the longitude and latitude corresponding to each point in the pollution mapping range and the pollution diffusion range.
Specifically, a maximum latitude value, a minimum latitude value, a maximum longitude value and a minimum longitude value in a longitude and latitude set corresponding to a pollution mapping range and a pollution diffusion range are respectively obtained. The maximum latitude value is the highest point, the minimum latitude value is the lowest point, the maximum longitude value is the leftmost point, and the minimum longitude value is the rightmost point.
Step S37, obtaining a latitude center value according to the median of the maximum latitude value and the minimum latitude value, and combining the latitude center value and the longitude center value according to the median of the maximum longitude value and the minimum longitude value to obtain a range center point corresponding to a pollution mapping range and a pollution diffusion range respectively.
According to the technical scheme provided by the invention, the latitude center value is obtained according to the median of the maximum latitude value and the minimum latitude value. The latitude central value is one half of the sum of the maximum latitude value and the minimum latitude value, namely the central value of the corresponding latitude of the pollution mapping range and the pollution diffusion range. And obtaining a longitude center value according to the median value of the maximum longitude value and the minimum longitude value. The longitude central value is one half of the sum of the maximum longitude value and the minimum longitude value, namely the central value of the corresponding longitudes of the pollution mapping range and the pollution diffusion range. Further, the latitude center value and the longitude center value are combined to obtain range center points corresponding to the pollution mapping range and the pollution diffusion range respectively.
And S38, superposing the pollution mapping range and the pollution diffusion range according to the range center point to obtain a polluted water area.
According to the technical scheme provided by the invention, the pollution mapping range and the pollution diffusion range are overlapped according to the range center point to obtain the polluted water area. The contaminated water area is composed of a pollution map range and a pollution spread range, and thus includes an area of groundwater that may be contaminated in practice, and an area of groundwater that may be contaminated in the future.
In a possible implementation manner, the method provided by the invention specifically includes the following steps S311-S12 (updating the groundwater monitoring model according to the polluted water area to generate an updated water model) in step S3:
Step 311, obtaining a second longitude and latitude of the polluted water area, and comparing the second longitude and latitude with the plane position information and the depth position information corresponding to the groundwater monitoring model to generate a lower layer comparison result.
According to the technical scheme provided by the invention, the second longitude and latitude of the polluted water area is obtained, and the second longitude and latitude is the longitude and latitude information corresponding to each pixel point in the polluted water area. And comparing the second longitude and latitude with the plane position information and the depth position information corresponding to each pixel point in the underground water monitoring model to generate a lower layer comparison result. And the lower layer comparison result is a comparison result for determining whether the second longitude and latitude correspond to the plane position information and the depth position information of the underground water monitoring model.
And step S312, eliminating plane position information and depth position information which do not correspond to the second longitude and latitude according to the lower layer comparison result, and generating an updated water model.
According to the technical scheme provided by the invention, according to the lower layer comparison result, the plane position information and the depth position information of the pixel points in the underground water monitoring model which do not correspond to the second longitude and latitude of the polluted water area are removed, and an updated water model is generated.
And S4, generating a survey model according to the updated soil model and the updated water model, and sending the survey model to a monitoring end for display.
According to the technical scheme provided by the invention, the updated soil model and the updated water model are combined to generate the investigation model, the investigation model is sent to the monitoring end for display, and the display end can realize further monitoring and analysis of the polluted land through the VR and AR modules.
In order to realize the contaminated site data processing method based on the BIM-GIS technology, the invention also provides a contaminated site data processing system based on the BIM-GIS technology, which comprises the following steps:
The intercepting unit is used for receiving the monitoring requirement of the monitoring end, intercepting the preset BIM model according to the monitoring requirement to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
the updating unit is used for acquiring pollution land block information of the GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating the soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model;
the prediction unit is used for processing the pollution types and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, updating the underground water monitoring model according to the polluted water area and generating an updated water model;
and the display unit is used for generating a survey model according to the updated soil model and the updated water model and sending the survey model to a monitoring end for display.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A contaminated site data processing method based on BIM-GIS technology is characterized by comprising the following steps:
Receiving a monitoring demand of a monitoring end, and intercepting a preset BIM model according to the monitoring demand to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
the method comprises the steps of obtaining pollution land block information of a GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating a soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model;
processing the pollution types and the updated soil model based on a prediction strategy to generate corresponding polluted water areas, updating the groundwater monitoring model according to the polluted water areas, and generating an updated water model;
generating a survey model according to the updated soil model and the updated water model, and sending the survey model to a monitoring end for display.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
The monitoring demand of receiving monitoring end is according to monitor demand intercepts the processing to predetermineeing BIM model, obtains the monitoring model, the monitoring model includes the soil monitoring model on upper strata and the groundwater monitoring model of lower floor, includes:
Receiving a monitoring requirement of a monitoring end, and analyzing the monitoring requirement to obtain requirement plane information, wherein the requirement plane information is a requirement area formed by a plurality of continuous and marginal plane position information;
Intercepting the preset BIM model according to the required plane information to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
The preset BIM comprises an upper-layer soil BIM model and a lower-layer groundwater BIM model, and the soil BIM model and the lower-layer groundwater BIM model comprise preset plane position information and depth position information corresponding to each point.
3. The method of claim 2, wherein the step of determining the position of the substrate comprises,
The method for obtaining the polluted land block information of the GIS information module, wherein the polluted land block information comprises a polluted boundary and polluted types, and the method comprises the steps of updating a soil area of the soil monitoring model according to the polluted boundary to generate an updated soil model, and comprises the following steps:
A GIS information module is called, land block pixel points of each polluted land block are obtained according to the GIS information module, and polluted land block information is obtained according to the land block pixel points, wherein the polluted land block information comprises pollution boundaries and pollution types;
A preset pixel value list corresponding to the pollution type is called, a corresponding polluted land block is updated according to the pollution boundary, and an updated polluted land block is generated based on the pixel value update of the preset pixel value list;
And updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model.
4. The method of claim 3, wherein the step of,
The GIS information module is called, according to the GIS information module, the plot pixel points of each polluted plot are obtained, and according to the plot pixel points, the polluted plot information comprises pollution boundaries and pollution types, and the method comprises the following steps:
Obtaining land parcel pixel points of each polluted land parcel according to the GIS information module, determining a plurality of land parcel edge pixel points according to the plane position information, connecting the land parcel edge pixel points to obtain a polluted land parcel outline, and obtaining a polluted boundary based on the polluted land parcel outline;
obtaining the pixel value of each block of pixel points, calling a preset pixel value list, comparing the pixel value of each block of pixel points according to the preset pixel value list, and obtaining the pollution type corresponding to each polluted block;
And obtaining pollution land parcel information according to the pollution boundary and the pollution type.
5. The method of claim 4, wherein the step of determining the position of the first electrode is performed,
And updating the soil area of the soil monitoring model according to the updated polluted land block to generate an updated soil model, comprising the following steps:
According to the pollution boundary, acquiring a first longitude and latitude of each updated pollution land, and comparing the first longitude and latitude with plane position information and depth position information corresponding to the soil monitoring model to generate an upper layer comparison result;
And eliminating plane position information and depth position information which do not correspond to the first longitude and latitude according to the upper layer comparison result, and generating an updated soil model.
6. The method of claim 5, wherein the step of determining the position of the probe is performed,
The method for generating the polluted water area comprises the steps of processing the polluted variety and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, and comprises the following steps:
a prediction strategy is called, the current pollution depth of a polluted land block corresponding to a pollution type is obtained according to the prediction strategy, and preset depth position information corresponding to each point in a soil BIM model is compared with the current pollution depth to obtain a plurality of depth comparison results;
Judging according to each depth comparison result, if the current pollution depth is greater than the depth position information, marking the corresponding point to generate a mapping pixel point, and connecting each mapping pixel point to obtain a pollution mapping range;
and carrying out equal ratio amplification on the pollution mapping range to obtain a pollution diffusion range, and generating a corresponding polluted water area according to the pollution mapping range and the pollution diffusion range.
7. The method of claim 6, wherein the step of providing the first layer comprises,
The pollution mapping range is amplified in an equal ratio to obtain a pollution diffusion range, and a corresponding polluted water area is generated according to the pollution mapping range and the pollution diffusion range, and the method comprises the following steps:
Obtaining a mapping coefficient list, calling a mapping coefficient corresponding to the pollution type according to the mapping coefficient list, and carrying out equal ratio amplification on the pollution mapping range according to the mapping coefficient to obtain a pollution diffusion range;
and respectively acquiring range center points corresponding to the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain a polluted water area.
8. The method of claim 7, wherein the step of determining the position of the probe is performed,
The step of respectively obtaining the range center points of the pollution mapping range and the pollution diffusion range, and superposing the pollution mapping range and the pollution diffusion range according to the range center points to obtain a polluted water area, wherein the step of obtaining the polluted water area comprises the following steps:
Respectively acquiring longitude and latitude sets of the pollution mapping range and the pollution diffusion range according to the plane position information, and respectively acquiring a maximum latitude value, a minimum latitude value, a maximum longitude value and a minimum longitude value in the longitude and latitude sets corresponding to the pollution mapping range and the pollution diffusion range;
obtaining a latitude center value according to the median of the maximum latitude value and the minimum latitude value, and combining the latitude center value and the longitude center value according to the median of the maximum longitude value and the minimum longitude value to obtain a range center point corresponding to a pollution mapping range and a pollution diffusion range respectively;
And superposing the pollution mapping range and the pollution diffusion range according to the range center point to obtain a polluted water area.
9. The method of claim 8, wherein the step of determining the position of the first electrode is performed,
Updating the groundwater monitoring model according to the contaminated water area to generate an updated water model, including:
acquiring a second longitude and latitude of the polluted water area, and comparing the second longitude and latitude with plane position information and depth position information corresponding to the underground water monitoring model to generate a lower layer comparison result;
and eliminating plane position information and depth position information which do not correspond to the second longitude and latitude according to the lower layer comparison result, and generating an updated water model.
10. A contaminated site data processing system based on BIM-GIS technology, comprising:
The intercepting unit is used for receiving the monitoring requirement of the monitoring end, intercepting the preset BIM model according to the monitoring requirement to obtain a monitoring model, wherein the monitoring model comprises an upper-layer soil monitoring model and a lower-layer groundwater monitoring model;
the updating unit is used for acquiring pollution land block information of the GIS information module, wherein the pollution land block information comprises pollution boundaries and pollution types, and updating the soil area of the soil monitoring model according to the pollution boundaries to generate an updated soil model;
the prediction unit is used for processing the pollution types and the updated soil model based on a prediction strategy to generate a corresponding polluted water area, updating the underground water monitoring model according to the polluted water area and generating an updated water model;
and the display unit is used for generating a survey model according to the updated soil model and the updated water model and sending the survey model to a monitoring end for display.
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