CN112468961A - Water pollution detection data processing method, system, terminal and medium - Google Patents
Water pollution detection data processing method, system, terminal and medium Download PDFInfo
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Abstract
The application relates to a water body pollution detection data processing method, which comprises the following steps of obtaining water body detection data; acquiring water body information and water quality detection results contained in water body detection data, and dividing pollution levels of all water bodies according to the water quality detection results; acquiring map data of a designated area to generate a water body distribution map; searching a coverage area of the current water body on the water body distribution map according to positioning information contained in the water body information of the current water body; and (3) executing pollution level marking operation: determining identification characteristics according to pollution levels, wherein different pollution levels correspond to different identification characteristics; and displaying identification characteristics corresponding to respective pollution levels at the area covered by each water body on the water body distribution map to generate the water body water quality distribution map. The method and the device have the effect of conveniently searching the water pollution condition of the required area.
Description
Technical Field
The present application relates to the field of water body detection data processing, and in particular, to a water body pollution detection data processing method, system, terminal, and medium.
Background
The water quality monitoring is a process of monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The current water quality pollution grades comprise I, II, III, IV, V and inferior V, the I water quality is good, the drinking can be carried out only by disinfection treatment or simple purification and filtration, the pollution degrees of the II, III, IV, V and inferior V water qualities are increased in sequence correspondingly, and the water quality below the III is poor and can not be used as a drinking water source.
Urban water body investigation is beneficial to water body management and pollution prevention and treatment, generally needs to be carried out once a month or once every two weeks, and workers can provide data support and reference for development of pollution prevention and treatment work by carrying out water body investigation on water bodies and rivers in the district and obtaining water quality detection data in a sampling detection mode. In order to detect the intuitiveness of the data and facilitate the storage and retrieval of the data, the water quality detection results, the pollution levels and the like of various water bodies or rivers are generally required to be copied to an EXCEL table to form an urban water body pollution detection table.
For the above related technologies, the inventor thinks that there are defects that when a user needs to find the water condition of a certain area and perform overall evaluation, the urban water pollution detection table needs to be continuously queried due to more urban water and large data volume, which results in longer query time and inconvenient application.
Disclosure of Invention
In a first aspect, the application provides a water pollution detection data processing method for conveniently searching the water pollution condition of a required area.
The application provides a water body pollution detection data processing method, which adopts the following technical scheme: a water body pollution detection data processing method comprises the following steps,
acquiring water body detection data;
acquiring water body information and water quality detection results contained in water body detection data, and dividing pollution levels of all water bodies according to the water quality detection results;
acquiring map data of a designated area to generate a water body distribution map;
searching a coverage area of the current water body on the water body distribution map according to positioning information contained in the water body information of the current water body;
and (3) executing pollution level marking operation: determining identification characteristics according to pollution levels, wherein different pollution levels correspond to different identification characteristics;
and displaying identification characteristics corresponding to respective pollution levels at the area covered by each water body on the water body distribution map to generate the water body water quality distribution map.
By adopting the technical scheme, water body detection data is obtained by field sampling and detecting field personnel, positioning information of each water body in a designated area, namely a field address and a coverage area, can be obtained by acquiring water body information, and the pollutant content of the water body can be reflected by a water quality detection result, so that the pollutant grades of the water body, such as I-type water, II-type water, III-type water and the like, can be obtained; the map data can be obtained through map software or the Internet, unnecessary information is screened out, water body parts are reserved to form a water body distribution map, coverage areas corresponding to all water bodies are locked through positioning information, identification features determined according to pollution levels are marked in the coverage areas of all the water bodies, and therefore the water body water quality distribution map is obtained.
Preferably, the method also comprises the following steps,
acquiring water body sampling point coordinates corresponding to each water body contained in the water body detection data;
searching the position of the water body sampling point on the water body water quality distribution map according to the water body sampling point coordinate;
and displaying corresponding graphic characteristics at the positions of the sampling points of the water body on the water quality distribution map.
Through adopting above-mentioned technical scheme, need arrive each sampling point sampling in the actual field collection sample in-process, same water may have a plurality of sampling points, and general city water pollution test table can not take notes the sampling point position, lead to the sampling point appear stepping on a problem that the address error and can't in time discover and correct, thereby influence final pollution level easily and divide, influence prevention and cure planned decision-making, through the graphic characteristic that shows corresponding water sampling point on water quality distribution diagram, make things convenient for the staff to confirm and approve the water sampling point, thereby in time correct the mistake, promote the planned rationality of prevention and cure of making the law.
Preferably, the method further comprises the following steps of obtaining a water sampling record contained in the water detection data, wherein the water sampling record contains multiple water quality detection results of the water and time nodes corresponding to the water quality detection results;
respectively generating water quality distribution maps of water bodies corresponding to different time nodes according to the water quality detection results of the water bodies each time and storing the water quality distribution maps;
responding to an input instruction corresponding to any time node, and displaying the water quality distribution map of the time node on a human-computer interaction interface.
By adopting the technical scheme, the pollution conditions of the water body in different periods can be obtained through the water body sampling record, and when a worker inquires, namely inputs an input instruction corresponding to any time node, the water quality distribution diagram of the time node can be displayed, so that the pollution reason can be conveniently judged according to the historical change trend of the pollution level of the water body, and a control plan of the water body can be made.
Preferably, the method further comprises the following steps of obtaining a water body sampling record;
acquiring a framing instruction of a framing area on a corresponding water quality distribution map;
searching the water quality distribution map of each time node of all the water bodies contained in the framed area and/or overlapped with the framed area;
responding to a selection instruction corresponding to one or more comparison time nodes, and simultaneously displaying the current time node and the framed area part of the water quality distribution map of the water body of the selected comparison time node on the same human-computer interaction interface.
By adopting the technical scheme, when a worker selects a part of the water quality distribution map, the system acquires the water quality distribution map of each time node corresponding to the water in the selected region; and according to the selection instruction of the staff, screening out the frame selection area of the water quality distribution map of the required time node and displaying the frame selection area on a terminal picture, so that the staff can conveniently and visually compare the front and back variation trend of the local water body, and a detailed prevention and treatment plan is formulated according to the variation trend of the pollution level.
Preferably, the classification instruction is obtained and responded, and the water body type of each water body is determined according to the water body information, wherein the water body type comprises rivers and small micro water bodies;
determining a division standard of the water body according to the water body information of each water body and the corresponding water body sampling point coordinates;
if the water body type of the water body is a river, dividing river reach according to the coordinates of the water body sampling point and numbering the river reach;
if the water body type of the water body is a micro water body, dividing the sub-areas according to the water body sampling point coordinates and numbering the sub-areas;
determining the pollution level of the river or the subarea according to the water quality detection result of the water sampling point of the river reach or the subarea;
and displaying the identification characteristics corresponding to the pollution level in the area covered by the river reach or the subarea on the water body distribution diagram.
By adopting the technical scheme, the general urban water body can be divided into rivers and small micro water bodies, the small micro water bodies can be artificial lakes, natural lakes, water pools and the like, the rivers are dynamic water bodies, and the small micro water bodies are generally static water bodies, so that different treatment plans can be made for the dynamic water bodies and the static water bodies, and the water quality distribution maps are distinguished, so that the water quality distribution maps can be conveniently and separately treated, and the treatment efficiency can be improved; the river span is long, different river reach have environmental difference, the whole administration engineering load is large, therefore carry on the division and number of the river reach, facilitate the separate detection and separate administration to the pollution grade, raise the administration efficiency; some small and micro water bodies may cover a wider range, such as reservoirs and the like, and the pollution levels of different areas may be different, so that separate treatment is also needed, and the treatment efficiency is improved.
Preferably, the identification feature includes a feature layer corresponding to the pollution level, the obtaining step of the feature layer includes,
generating a graphic file according to the river reach or the partition shape of the water body and storing the graphic file;
generating a layer file according to the positioning information of the river reach or the subarea of the water body and the corresponding graphic file;
responding to a display instruction corresponding to any water body, acquiring layer files of all river reach or partitions contained in the water body, modifying the graphic files according to pollution levels of the river reach or the partitions and forming a characteristic layer;
and searching a corresponding area on the water distribution diagram according to the positioning information contained in the layer file and displaying a characteristic layer corresponding to the river reach or the partition pollution level.
By adopting the technical scheme, a certain water body may have a condition of a subarea or a river reach, the pollution level of the integral evaluation of the water body is different from the pollution level of the river reach or the subarea contained in the water body, and color confusion may be caused if the identification features adopt modes such as covering area color filling and the like; therefore, the identification features of the subareas and the river reach are independently used as feature layers, and the feature layers are displayed when the feature layers need to be displayed, so that the display modes of the whole pollution level of the water body and the specific pollution level of the subareas/the river reach are distinguished.
Preferably, in the step of modifying the graphic file and forming the feature layer according to the pollution level of the river reach or the partition, the step of modifying the graphic file and forming the feature layer includes,
obtaining a water quality detection result of a river reach or a subarea;
determining the pollution level according to the water quality detection result;
and modifying the attribute of the graphic file according to the pollution level of each river reach or partition, and forming a feature layer according to the modified graphic file.
By adopting the technical scheme, as the change of each water body in a city in a short period is small, including the shape, the area and the like, the graph file corresponding to the shape of the water body can be manufactured, and when the pollution level of the water body or the river reach/subarea contained in the water body is changed, the attributes of the graph file, such as the filling color of the graph and the like, are modified, so that the identification characteristics displayed on the water quality distribution diagram of the water body are changed according to the change of the pollution level, the pollution level is convenient to update, and the data updating amount is reduced.
In a second aspect, in order to conveniently search the water pollution condition of a required area, the application provides a water pollution detection data processing system, which adopts the following technical scheme: a water body pollution detection data processing system comprises,
the pollution level determining module is used for acquiring water body detection data, acquiring water body information and water quality detection results contained in the water body detection data, and dividing the pollution levels of the water bodies according to the water quality detection results;
the map acquisition module is used for acquiring map data of a specified area and generating a water body distribution map;
the water body positioning module is connected with the map acquisition module and the pollution level determination module and used for searching a coverage area of the water body positioning module on the water body distribution map according to positioning information contained in the water body information of the current water body; and the number of the first and second groups,
and the identification module is connected with the water body positioning module and used for determining identification characteristics according to the pollution levels, different pollution levels correspond to different identification characteristics, the identification characteristics corresponding to the respective pollution levels are displayed at the area covered by each water body on the water body distribution map, and the water body water quality distribution map is generated.
By adopting the technical scheme, the water body information is obtained through the pollution level determining module to obtain the positioning information of each water body in the designated area, namely the site address and the coverage area, and the pollutant content of the water body can be reflected through the water quality detection result, so that the pollutant levels of the water bodies, such as I-type water, II-type water, III-type water and the like, are obtained; the map data can be acquired through the map acquisition module, unnecessary information is screened out, water body parts are reserved to form a water body distribution map, the coverage areas corresponding to all the water bodies are locked through the water body positioning module, the identification module marks the identification features determined according to the pollution levels to the coverage areas of all the water bodies, and therefore the water body water quality distribution map is obtained.
And in the third aspect, the water quality pollution condition of the required area is conveniently searched. The application provides an intelligent terminal, adopts following technical scheme: an intelligent terminal comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the water body pollution detection data processing method.
In the fourth aspect, the water pollution condition of the required area is conveniently searched. The application provides a computer-readable storage medium, which adopts the following technical scheme: a computer readable storage medium storing a computer program that can be loaded by a processor and execute the above-mentioned water pollution detection data processing method.
In summary, the present application includes at least one of the following beneficial technical effects:
obtaining the address and the coverage area of the water body by obtaining the positioning information of the water body, and obtaining the pollutant grade of the water body according to the water quality detection result; the map data screens out unnecessary information and retains a water body part to form a water body distribution map, then the coverage area corresponding to each water body is locked through positioning information, and the identification characteristics determined according to the pollution level are marked in the coverage area of each water body, so that the water body water quality distribution map is obtained, compared with a mode listed in an EXCEL table, the water quality pollution condition of the required area can be conveniently and visually searched, the workload of repeated page turning, query and copy is reduced, reasonable prevention measures are conveniently formulated, and the efficiency of data statistical processing and water pollution prevention is improved;
the pollution conditions of the water body in different periods can be obtained through the water body sampling records, and when a worker inquires, namely inputs an input instruction corresponding to any time node, the water quality distribution map of the time node can be displayed, so that the pollution reason can be conveniently judged according to the historical change trend of the pollution level of the water body, and a control plan of the water body is formulated;
when a worker selects a part of the water quality distribution map, the system acquires the water quality distribution map of each time node corresponding to the water in the selected region; and according to the selection instruction of the staff, screening out the frame selection area of the water quality distribution map of the required time node and displaying the frame selection area on a terminal picture, so that the staff can conveniently and visually compare the front and back variation trend of the local water body, and a detailed prevention and treatment plan is formulated according to the variation trend of the pollution level.
Drawings
FIG. 1 is a system topology diagram of a water pollution detection data processing system according to an embodiment of the present application;
FIG. 2 is a flowchart of a method for processing water pollution detection data according to an embodiment of the present application, which mainly shows the steps of generating a water quality distribution diagram in a simple mode;
FIG. 3 is a partial method flowchart of a water pollution detection data processing method according to an embodiment of the present application, which mainly shows labeling of water sampling points;
fig. 4 is a human-computer interaction interface of the water pollution detection data processing method of the embodiment of the present application, which mainly shows a water quality distribution diagram of a water body in a simple mode;
fig. 5 is a partial method flowchart of the water pollution detection data processing method according to the embodiment of the present application, which mainly shows a flow of selecting water quality distribution maps of different time nodes;
FIG. 6 is a partial method flowchart of a water pollution detection data processing method according to an embodiment of the present application, which mainly shows the steps of generating a water quality distribution diagram in an accurate mode;
FIG. 7 is a human-computer interaction interface of the water pollution detection data processing method according to the embodiment of the present application, which is mainly shown;
fig. 8 is a partial method flowchart of the water pollution detection data processing method according to the embodiment of the present application, which mainly shows a water quality distribution diagram of a water body in an accurate mode.
Description of reference numerals: 1. a pollution level determination module; 2. a map acquisition module; 3. a water body positioning module; 4. and identifying the module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a water pollution detection data processing system. Referring to fig. 1, the system includes a pollution level determination module 1, a map acquisition module 2, a water body positioning module 3, and an identification module 4. The pollution level determining module 1, the map obtaining module 2, the water body positioning module 3 and the identification module 4 can all adopt processors.
The pollution level determination module 1 is used for acquiring water body detection data to acquire water body information and water quality detection results contained in the water body detection data, and dividing the pollution levels of the water bodies into a class I, a class II and the like according to the water quality detection results. The map acquisition module 2 is used for acquiring map data of a designated area to generate a water distribution map, and the water distribution map can be formed after unnecessary information is screened out by a common map acquired through the internet and a water part is reserved. And the water body positioning module 3 is used for searching a coverage area of the water body positioning module on the water body distribution map according to positioning information contained in the water body information of the current water body. The identification module 4 is used for determining identification characteristics according to the pollution levels, wherein different pollution levels correspond to different identification characteristics, the identification characteristics corresponding to respective pollution levels are displayed at the area covered by each water body on the water body distribution diagram, a water body water quality distribution diagram is generated, the identification characteristics can adopt a mode of filling the water body area with colors, and different pollution levels can correspond to different colors.
The embodiment of the application discloses a water pollution detection data processing method, and the water pollution detection data processing system is applied. The method comprises the following steps.
Step 100, referring to fig. 2, the pollution level determination module 1 (see fig. 1) obtains water detection data, obtains water information and water quality detection results, and divides the pollution levels of the water bodies according to the water quality detection results. The water body detection data is acquired by field acquisition workers, and comprises positioning information of water quality sampling points and water quality detection results of acquired samples, wherein the positioning information is address coordinates and can be acquired by GPS positioning longitude and latitude coordinates carried by field workers. And the pollutant content of the water body can be obtained through the water quality detection result, so that the pollutant levels of the water body, such as I-type water, II-type water, III-type water and the like, are divided according to the pollutant content indexes in the pollution level division standard, and the pollution level of the water body is evaluated.
In step 200, the map obtaining module 2 (see fig. 1) obtains map data of the designated area to generate a water body distribution map.
The map data can be obtained through map software or the internet, and a GIS map with a terrain is preferably selected, so that the trend of the river can be conveniently judged according to the terrain. And then screening out unnecessary information such as road traffic information and the like, and reserving a display part of the water body, thereby forming a water body distribution map.
Step 300, the water body positioning module 3 (see fig. 1) searches a coverage area of the water body positioning module on the water body distribution map according to the positioning information contained in the water body information of the current water body.
Specifically, the positioning information includes a coordinate position of a water body sampling point and a coordinate position of the water body, wherein the coordinate position of the water body includes a plurality of coordinate points located on the contour of the water body coverage area, the coordinate points can be found on the water body distribution diagram through longitude and latitude coordinates of the coordinate points, and a closed curve formed by fitting the coordinate points is the coverage area of the water body.
Step 310, referring to fig. 2 and fig. 3, according to the coordinate position of the water body sampling point included in the positioning information, the position of the water body sampling point on the water body distribution diagram can be found and marked by a preset graphic feature, and the graphic feature can be represented by a triangular suspension icon or the like.
The original intention of marking the water sampling point lies in that, in the actual field collection sample in-process, the staff need arrive each sampling point sampling, and same water may have a plurality of sampling points, and general city water pollution test table can not record the sampling point position, leads to the sampling point to appear stepping on a problem that the address error and can't in time discover and correct. Therefore, the water sampling points need to be marked on the distribution map, so that workers can conveniently confirm and approve the water sampling points, errors can be corrected timely, the rationality of the control plan made by the system is improved, the final pollution level division is prevented from being influenced, and the decision of the control plan is prevented from being influenced.
On the other hand, the staff can know the change frequency and the range of the pollution level where the water body sampling point is located by tracking the detection result of the water body sampling point for a long time, so that the position of the pollution source can be known according to the position of the sampling point. Meanwhile, when the pollution level of the sampling point is changed greatly, the edges of the sampling point possibly in two dynamic water areas can be judged, and the sampling point is easily influenced by pollutants in different water areas to generate shifting of pollutant content parameters, so that the sampling point is convenient to replace.
Step 400, generating a block file according to a closed curve formed by fitting a plurality of corresponding coordinate points of the water body on the water body distribution map, namely the coverage area of the water body on the water body distribution map, wherein the block file is stored in a separate database. The image block file can adopt DWG format, and the DWG data format is a proprietary file format used by computer aided design software AutoCAD and software based on the AutoCAD for storing design data. And the image block file comprises a figure with a shape and also has corresponding position information, namely a plurality of coordinate points which respectively correspond to the outline of the coverage area of the water body on the water body distribution diagram.
And step 410, reversely analyzing the image block file corresponding to the water body into a coordinate array by adopting an API (application programming interface) provided by an OGR (object oriented graph) element library in ArcGIS (geographic information System) software, and covering the graph corresponding to the image block file on the water body distribution diagram in the form of the image layer under the same scaling of the map. ArcGIS is geographic information system software which can analyze spatial positions and realize visualization of information layers by using maps and 3D scenes, so that users can know data more deeply. The ArcMap contained therein is a central application used in ArcGIS, in which a GIS data set for browsing a research area can be displayed, symbols can be designated, and a map layout for printing or distribution can be created.
In step 500, the identification module 4 (see fig. 1) performs a pollution level labeling operation: the identification features are determined according to the pollution levels of the water body determined in step 100, and different pollution levels correspond to different identification features.
The identification features comprise filling elements which can be patterns, colors and the like, the filling elements correspond to the attributes of the tile files one by one, and the attributes of the tile files change synchronously when the filling elements change. If the filling element is a color, the filling color is associated with the pollution level, for example, the type I is green, the type V is red, and the filling color is the color of the graphic layer generated by the tile file on the water distribution map. If the filling element is a pattern, the filling pattern is associated with a pollution level, for example, type I is a pattern of a plurality of oblique solid lines parallel to each other, type II is a pattern of a plurality of dashed solid lines parallel to each other, and filling colors, that is, filling patterns of graphic layers generated on the water body distribution map by the tile file, are specifically shown in fig. 4. The identification characteristics can facilitate workers to visually know the pollution levels of the water bodies, reduce the process of character understanding, and improve the efficiency of acquiring pollution conditions, so that a prevention and treatment plan can be conveniently and quickly made.
Step 510, after obtaining the image block files and the identification features of the water body, and modifying the attributes of the image block files according to the pollution levels of the water body to change the graphic layers, the identification module 4 responds to a trigger instruction input by a worker, and displays the identification features corresponding to the respective pollution levels at the areas covered by the water bodies on the water body distribution map, that is, generates the graphic layers corresponding to the water bodies, and displays different colors or patterns in the areas where the water bodies with different pollution levels are located, so as to generate the water body water quality distribution map.
Referring to fig. 5, the water sampling detection generally adopts a periodic detection mode, and the water detection data includes a water sampling record, which includes multiple water quality detection results of the water and time nodes corresponding to the water quality detection results. For example, 14:00 at 10.10.2020, number 102B is the first sample point, and the detection result of the coordinates (x, y) is class III.
The system respectively generates and stores water quality distribution maps of water bodies corresponding to different time nodes according to the water quality detection results of the water bodies each time; and the system can respond to an input instruction corresponding to any time node, namely when a worker selects an icon associated with the time node in a mouse clicking mode, the system displays the water quality distribution map of the time node on a human-computer interaction interface, so that the worker can conveniently check the water quality distribution map of the time node, and further, the historical detection result can be conveniently checked and verified. Meanwhile, the water quality distribution maps of different time nodes can also reflect the water pollution deterioration condition or the treatment effect, so that a further water control plan can be conveniently made.
When the pollution condition change trend of the local area needs to be known, the history comparison operation of the local area can be executed, and the steps comprise,
acquiring a water body sampling record; the water body sampling record comprises detection results of the water bodies of all the time nodes.
Acquiring a framing instruction of a framing area on a corresponding water quality distribution map; and the framing instruction is an operation instruction generated after a worker intercepts a frame on the water quality distribution map of the water body through a mouse according to the area range needing to be known by the worker and selects the frame.
Selecting a region, and searching the water quality distribution map of each time node of all water bodies contained in the framed region and/or overlapped with the framed region based on the framed instruction; if the selected area contains a certain water body, displaying a water body water quality distribution map of the water body; and if the framed area is partially overlapped with a certain water body, displaying the integral water body water quality distribution map of the water body or the water body water quality distribution map of the part of the water body positioned in the framed area.
And selecting time nodes, wherein the system responds to a selection instruction corresponding to one or more comparison time nodes, namely a user clicks an icon corresponding to the required time node or a required time node option in a pull-down list through a mouse, at the moment, the current time node and a framed area part of the water quality distribution diagram of the selected comparison time node are displayed on the same man-machine interaction interface, at the moment, the water quality distribution diagram corresponding to the selected comparison time node forms an independent layer to cover other positions of the water quality distribution diagram and is displayed in parallel with the framed area of the water quality distribution diagram of the current time node, and the two are marked with detection time for distinguishing. The comparison mode of the water quality distribution map of the local area at different time nodes can facilitate workers to visually compare the front and back variation trends of the local water, so that a refined prevention and treatment plan is formulated according to the variation trend of the pollution level.
And the general urban water bodies can be divided into two types according to forms, namely rivers and water bodies, so that when a classification instruction is obtained, for example, when a user clicks a designated icon, the system responds to the classification instruction and determines the water body types of the water bodies according to the water body information, wherein the water body types comprise rivers and small micro water bodies, the small micro water bodies are generally static water bodies and can be artificial lakes, natural lakes, pools, reservoirs and the like, and the rivers are dynamic water bodies. Because the state of the river changes rapidly and the span is long, different river sections have environmental differences, and the whole treatment engineering quantity is large. Therefore, the treatment mode of the water treatment agent is greatly different from that of small water bodies. Based on the above, the following steps are adopted according to the type of the water body,
referring to fig. 6, the system is switched to the accurate mode, and before the water body detection data is input in the accurate mode, the system determines the division standard of the water body according to the water body information of each water body and the corresponding water body sampling point coordinates, specifically as follows,
if the water body type of the water body is a river, such as the river reach numbered 201 in fig. 7, the river reach is divided according to the coordinates of the water body sampling point and each river reach is numbered. For example, if the sampling points are located every other kilometer along the river, the sampling points can be divided into segments every other kilometer, as shown by the segment number 201A.
If the water body type of the water body is a small micro water body, such as a lake with the number 102 in fig. 7, the partitions are divided according to the coordinates of the water body sampling points and the partitions are numbered. For example, if a sampling point of a water body is a, the water body is equally divided into a partitions according to the occupied area, and each partition contains a separate sampling point, such as the partition with the number 102B in the figure.
Determining the pollution level of the river or the subarea according to the water quality detection result of the water sampling point of the river reach or the subarea;
the whole small micro water body or river has an integral pollution grade division, and the river reach or the subarea contained in the small micro water body or river has an independent pollution grade division, so that the pollution grade division of the river reach or the subarea of the water body can be displayed in an accurate mode, or part of the water body can display the pollution grade division of the river reach or the subarea and the other water body can display the integral pollution grade division. And each subarea or river reach is divided into pollution levels individually through the detection results of the sampling points contained in each subarea or river reach.
The system then displays identifying characteristics corresponding to the pollution levels in the area covered by the river reach or the partition on the water body distribution map. The water quality distribution map of the water body is related to the integral pollution grade division of each water body, and belongs to the expression form of a simple mode, and the pollution grade division of each subarea and river reach needs to be displayed under an accurate mode, so that the water quality distribution map needs to be generated again.
Wherein the identification features in the accurate mode are different from the graphic layers generated by the image block files of the water body and comprise feature layers corresponding to pollution levels, and the step of acquiring the feature layers comprises the steps of,
referring to fig. 8, firstly, a graphic file is generated and stored according to the shape of the river reach or the partition of the water body, the graphic file is consistent with the shape of the river reach or the partition of the water body, and then, a layer file is generated according to the positioning information of the river reach or the partition of the water body and the corresponding graphic file, and the layer file corresponds to the serial numbers of the river reach or the partition one by one. And the positioning information comprises a plurality of coordinate points which respectively correspond to the outlines of the coverage areas of the river reach or the subareas on the water body distribution map.
And then acquiring a water quality detection result of the river reach or the subarea, determining the pollution level of the river reach or the subarea according to the water quality detection result, and modifying the attribute of the graphic file according to the pollution level, wherein the attribute of the graphic file can be the filling color or the filling pattern of the graphic, and the attribute of the graphic file corresponds to the pollution level one by one, namely the filling color or the filling pattern changes synchronously when the pollution level changes.
And then the system responds to a display instruction corresponding to any water body, and the display instruction can be triggered in a mode that a worker hovers above a water body coverage area through a mouse pointer or directly clicks a corresponding icon. And respectively acquiring the layer files of all the river sections or the subareas contained in the water body according to the serial numbers of the river sections or the subareas based on the display instruction.
And then, reversely analyzing the layer file corresponding to the river reach or the partition into a coordinate array by adopting an API (application programming interface) provided by an OGR (object oriented graph) element library in ArcGIS (geographic information System) software, generating a feature layer according to the graph corresponding to the graph file under the same scaling of a map, searching and covering the feature layer on the corresponding area on the water body distribution diagram according to positioning information contained in the layer file, namely covering the feature layer on the covering area of the water body on the water body distribution diagram according to the coordinate array of the feature layer, and obtaining the water body water quality distribution diagram under an accurate mode. The characteristic map layer is displayed by the system when the identification characteristics of the subareas and the river reach are required to be displayed, so that the display modes of the integral pollution level of the water body and the specific pollution level of the subareas/the river reach are distinguished, and confusion is avoided.
The embodiment also provides an intelligent terminal, which comprises a memory and a processor, wherein the processor can adopt a central processing unit such as a CPU or an MPU or a host system which is constructed by taking the CPU or the MPU as a core, and the memory can adopt storage devices such as a RAM, a ROM, an EPROM, an EEPROM, a FLASH, a magnetic disk and an optical disk. The storage is stored with a computer program which can be loaded by the processor and can execute the water body pollution detection data processing method.
The embodiment also provides a computer readable storage medium, which can adopt various media capable of storing program codes, such as a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk. The computer readable storage medium stores a computer program capable of being loaded by a processor and executing the water pollution detection data processing method.
The implementation principle of the water pollution detection data processing method in the embodiment of the application is as follows: in a simple mode, firstly acquiring water body information and water quality detection results in water body detection data, and dividing the pollution level of each water body according to the water quality detection results; acquiring a water body distribution map, and generating a pattern block file according to the positioning information of the water body and the shape of a coverage area of the water body distribution map; under the same scaling of the map, the graph corresponding to the image block file covers the coverage area of the water body on the water body distribution map in the form of the image layer, the identification characteristic is determined according to the pollution level of the water body, the attribute of the graph file, namely the filling color of the image layer and the like, is modified while the identification characteristic is modified, and therefore the water body water quality distribution map is generated.
When the staff need to check the water quality distribution diagram of any time node, the system can display the water quality distribution diagram of the time node on a human-computer interaction interface only by inputting an input instruction. When the change trend of the pollution condition of the local area needs to be known, the designated area of the water quality distribution map can be selected in a frame mode, then the time node needing to be checked is selected, and at the moment, the system can respectively display the water quality distribution map of the water body or part of the water body in the selected area of the frame at the current time node and the needed time node.
Under the accurate mode, the water body is subdivided into two types of rivers and small micro water bodies, the rivers are divided into river sections and numbered, and the small micro water bodies are divided into subareas and numbered. And then determining the pollution level of the sampling point of the water body according to the water quality detection result of the sampling point of the water body of the river reach or the subarea, generating and storing a graphic file according to the shape of the river reach or the subarea of the water body, then generating a layer file according to the positioning information of the river reach or the subarea of the water body and the corresponding graphic file, modifying the attribute of the graphic file according to the pollution level of the river reach or the subarea, searching and covering a characteristic layer on a corresponding area on a water distribution map according to the positioning information contained in the layer file, and obtaining the water quality distribution map under an accurate mode.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A water body pollution detection data processing method is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
acquiring water body detection data;
acquiring water body information and water quality detection results contained in water body detection data, and dividing pollution levels of all water bodies according to the water quality detection results;
acquiring map data of a designated area to generate a water body distribution map;
searching a coverage area of the current water body on the water body distribution map according to positioning information contained in the water body information of the current water body;
and (3) executing pollution level marking operation: determining identification characteristics according to pollution levels, wherein different pollution levels correspond to different identification characteristics;
and displaying identification characteristics corresponding to respective pollution levels at the area covered by each water body on the water body distribution map to generate the water body water quality distribution map.
2. The water body pollution detection data processing method according to claim 1, wherein: the method also comprises the following steps of,
acquiring water body sampling point coordinates corresponding to each water body contained in the water body detection data;
searching the position of the water body sampling point on the water body water quality distribution map according to the water body sampling point coordinate;
and displaying corresponding graphic characteristics at the positions of the sampling points of the water body on the water quality distribution map.
3. The water body pollution detection data processing method according to claim 1, wherein: the method also comprises the following steps of obtaining a water body sampling record contained in the water body detection data, wherein the water body sampling record contains multiple water quality detection results of the water body and time nodes corresponding to the water quality detection results;
respectively generating water quality distribution maps of water bodies corresponding to different time nodes according to the water quality detection results of the water bodies each time and storing the water quality distribution maps;
responding to an input instruction corresponding to any time node, and displaying the water quality distribution map of the time node on a human-computer interaction interface.
4. The water body pollution detection data processing method according to claim 3, wherein: the method also comprises the following steps of obtaining a water body sampling record;
acquiring a framing instruction of a framing area on a corresponding water quality distribution map;
searching the water quality distribution map of each time node of all the water bodies contained in the framed area and/or overlapped with the framed area;
responding to a selection instruction corresponding to one or more comparison time nodes, and simultaneously displaying the current time node and the framed area part of the water quality distribution map of the water body of the selected comparison time node on the same human-computer interaction interface.
5. The water body pollution detection data processing method according to claim 1, wherein: the method also comprises the following steps of obtaining and responding to the classification instruction, and determining the water body type of each water body according to the water body information, wherein the water body type comprises rivers and small micro water bodies;
determining a division standard of the water body according to the water body information of each water body and the corresponding water body sampling point coordinates;
if the water body type of the water body is a river, dividing river reach according to the coordinates of the water body sampling point and numbering the river reach;
if the water body type of the water body is a micro water body, dividing the sub-areas according to the water body sampling point coordinates and numbering the sub-areas;
determining the pollution level of the river or the subarea according to the water quality detection result of the water sampling point of the river reach or the subarea;
and displaying the identification characteristics corresponding to the pollution level in the area covered by the river reach or the subarea on the water body distribution diagram.
6. The water body pollution detection data processing method according to claim 5, wherein: the identification features comprise feature layers corresponding to pollution levels, the obtaining step of the feature layers comprises,
generating a graphic file according to the river reach or the partition shape of the water body and storing the graphic file;
generating a layer file according to the positioning information of the river reach or the subarea of the water body and the corresponding graphic file;
responding to a display instruction corresponding to any water body, acquiring layer files of all river reach or partitions contained in the water body, modifying the graphic files according to pollution levels of the river reach or the partitions and forming a characteristic layer;
and searching a corresponding area on the water distribution diagram according to the positioning information contained in the layer file and displaying a characteristic layer corresponding to the river reach or the partition pollution level.
7. The water body pollution detection data processing method according to claim 6, wherein: in the step of modifying the graphic file and forming the feature layer according to the pollution level of the river reach or the subarea, the step of modifying the graphic file and forming the feature layer comprises,
obtaining a water quality detection result of a river reach or a subarea;
determining the pollution level according to the water quality detection result;
and modifying the attribute of the graphic file according to the pollution level of each river reach or partition, and forming a feature layer according to the modified graphic file.
8. A water body pollution detection data processing system is characterized by comprising,
the pollution level determining module (1) is used for acquiring water body detection data, acquiring water body information and water quality detection results contained in the water body detection data, and dividing the pollution levels of the water bodies according to the water quality detection results;
the map acquisition module (2) is used for acquiring map data of a specified area and generating a water body distribution map;
the water body positioning module (3) is connected with the map acquisition module (2) and the pollution level determination module (1) and is used for searching a coverage area of the water body positioning module on the water body distribution map according to positioning information contained in the water body information of the current water body; and the number of the first and second groups,
and the identification module (4) is connected with the water body positioning module (3) and is used for determining identification characteristics according to the pollution levels, different pollution levels correspond to different identification characteristics, the identification characteristics corresponding to the respective pollution levels are displayed at the area covered by each water body on the water body distribution map, and the water body water quality distribution map is generated.
9. An intelligent terminal, characterized by comprising a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and execute the water body pollution detection data processing method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which executes the method for processing water pollution detection data according to any one of claims 1 to 7.
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