CN112182130A - Site data internal industry visualization method, device and medium in site environment investigation - Google Patents
Site data internal industry visualization method, device and medium in site environment investigation Download PDFInfo
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- CN112182130A CN112182130A CN202011030575.XA CN202011030575A CN112182130A CN 112182130 A CN112182130 A CN 112182130A CN 202011030575 A CN202011030575 A CN 202011030575A CN 112182130 A CN112182130 A CN 112182130A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
- G06F16/252—Integrating or interfacing systems involving database management systems between a Database Management System and a front-end application
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4482—Procedural
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
Abstract
The invention relates to a site data field visualization method, a device and a medium in site environment survey, wherein the method comprises the following steps: acquiring a DXF file of an investigator, and analyzing the DXF file to acquire boundary point coordinates of the investigator; selecting a superimposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map, and generating a converted boundary point coordinate set; converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode; and dynamically adding the surveyor Geometry into the map based on a visualization instruction to generate a corresponding visualization result. Compared with the prior art, the method has the advantages of improving the visualization processing efficiency and the like.
Description
Technical Field
The invention relates to the technical field of site environment data processing, in particular to a site data internal work visualization method, a site data internal work visualization device and a site data internal work visualization medium in site environment investigation.
Background
The method comprises the following steps that site environment investigation work is required before industrial enterprise land is recovered and given out, generally, the site environment investigation work comprises the processes of pollution identification, preliminary investigation, detailed investigation and the like, and the site environment investigation work mainly comprises early-stage data collection, site survey and scheme compilation; middle-stage field sampling detection, later-stage result report compiling and reviewing and the like. In the early stage of data collection, it is an important stage to perform visualization processing and display on the site data.
At present, the current limitations of data visualization in environmental research are as follows: 1) the technical personnel need to draw the corresponding plot boundary diagram and boundary inflection point diagram through CAD drawing skills by means of commercial software (such as Auto CAD, hundred-degree map and the like), and the operation is manual operation, so that the process is complex and tedious and the efficiency is low; 2) when the drawing is carried out manually, the composition elements of the drawing are greatly influenced by human factors, the fixed standard format is not adopted, the generated drawing is uneven, the attractiveness is low, and the accuracy of subsequent investigation is adversely affected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a site data field visualization method, a site data field visualization device and a site data field visualization medium in site environment investigation, wherein the site data field visualization method, the site data field visualization device and the site data field visualization medium are simple and easy to implement, have high accuracy and improve visualization processing efficiency.
The purpose of the invention can be realized by the following technical scheme:
a site data internal business visualization method in site environment survey comprises the following steps:
acquiring a DXF file of an investigator, and analyzing the DXF file to acquire boundary point coordinates of the investigator;
selecting a superposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map, and generating a converted boundary point coordinate set;
converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode;
and dynamically adding the surveyor Geometry into the map based on a visualization instruction to generate a corresponding visualization result.
Further, the DXF file is parsed through a kabeja java library.
Further, all boundary point coordinates of the surveyor object are obtained in a traversal manner.
Further, dynamically adding the surveyor Geometry to the map specifically includes:
and acquiring a corresponding filling pattern based on the visualization instruction, and constructing a layer added into the map based on the surveyor Geometry and the filling pattern.
Further, the overlay and the conversion of the survey object Geometry and the map are realized through the canvas graphic container based on the minimum bounding rectangle range.
Further, the filling pattern comprises administrative region boundary data, historical year remote sensing images and/or sampling point information.
Further, the visualization result comprises an administrative region map, a land parcel boundary map, a boundary coordinate map, a site historical image and/or a sampling point bitmap.
Further, when the boundary coordinate graph is generated, performing rarefaction processing on the boundary point coordinate set, and generating the boundary coordinate graph by using the boundary point coordinate set after rarefaction processing.
Further, when the sampling point bitmap is generated, a map display range is set based on the minimum external rectangular range of the survey object Geometry, corresponding click coordinate information is generated when a mouse click instruction is monitored, and a map layer added into the map is constructed based on the click coordinate information and the type of the sampling point.
Further, the display of the visualization result is realized through an ArcGIS API for JavaScript program interface.
The invention also provides a site data field operation visualization device in site environment survey, which comprises:
the analysis module is used for acquiring a DXF file of the surveyor and analyzing the DXF file to acquire the boundary point coordinates of the surveyor;
the boundary point acquisition module is used for selecting a superposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map and generating a converted boundary point coordinate set;
the conversion module is used for converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode;
and the visualization module is used for dynamically adding the surveyor Geometry into the map based on the visualization instruction to generate a corresponding visualization result.
The invention also provides a computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method for site data job visualization in a site environment survey.
Compared with the prior art, the invention has the following beneficial effects:
1. the work efficiency is high: according to the method, the problem of low working efficiency caused by the fact that multiple software is needed to cooperate in the prior art is solved through the analysis of the DXF file, the coordinate conversion of the boundary points and the layer superposition, meanwhile, ordinary workers can complete drawing work of interior works, dependence on professionals is reduced, simplicity and easiness in implementation are achieved, accuracy is high, and visualization processing efficiency is improved.
2. The operability is strong: the method supports the conversion of DXF into various different output formats through the kabeja java library, has high and stable analysis efficiency, and all mainstream browsers support JavaScript without installing any plug-in.
3. The drawing efficiency is high: the invention uses pure client language (running in the browser of the client), has simple operation and friendly man-machine interface operation, and completely converts the process of originally needing various drawing software and manual operation into computer automatic processing and drawing, thereby greatly reducing the workload of technical personnel.
4. The graphics uniformity is high: the user can realize basic operations such as browsing, map query and the like through an ArcGIS API for JavaScript program interface, and the invention adopts canvas for graph conversion, is suitable for pixel processing, dynamic rendering and large data volume drawing, and enables the formats of various types of original graphs to be uniform, and the whole is cleaner and more beautiful.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of a boundary point coordinate parsing process according to the present invention;
FIG. 3 is a diagram illustrating a process for dynamically drawing a project boundary according to the present invention;
FIG. 4 is a schematic diagram of a subsequent process based on visualization results according to the present invention;
FIG. 5 is a schematic diagram of a process for generating a sampling point bitmap according to the present invention;
FIG. 6 is a diagram of a DXF file for a panelist of the present invention;
FIG. 7 is a schematic diagram of two coordinate system transformations, in which (7a) is an Earth reference center coordinate system and (7b) is a plane coordinate system;
fig. 8 is a survey object map based on different coordinate systems, wherein (8a) is a national 2000 coordinate system, and (8b) is a WGS84 coordinate system;
FIG. 9 is a chart of administrative regions matched based on surveyed objects in accordance with the present invention;
FIG. 10 is a pre-and post-rarefaction inflection point diagram based on the boundary of the surveyor, wherein (10a) is a schematic diagram before rarefaction and (8b) is a schematic diagram after rarefaction;
FIG. 11 is a sample layout view of a survey item of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a field data internal work visualization method in a field environment survey, which accurately falls a red line of a boundary of a survey area on a system base map by using a GIS technology according to geographic coordinates of the survey area, and the method includes:
step S001, acquiring a DXF file of a survey object (survey parcel), and analyzing the DXF file to acquire coordinates of a boundary point of the survey object, as shown in fig. 2. The form of the obtained panel DXF file is shown in fig. 6.
Analyzing DXFLayler information in a DXF file through a kabeja java library, traversing all DXFLWPolyine information of the DXFLayler and storing the DXFLWPolyine information in a List set, and iterating and traversing List < DXFLWPolyine > in sequence to obtain coordinates of all boundary points in each DXFLWPolyine.
And S002, selecting a superposed map, and realizing coordinate conversion of the boundary point coordinates by taking the coordinate system of the map as a reference to generate a converted boundary point coordinate set. As shown in fig. 7, a transformation from the earth-centered coordinate system to the planar coordinate system may be achieved. Fig. 8 shows a map of the surveyed object in different coordinate systems.
And S003, converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode.
And step S004, dynamically adding the surveyor Geometry into the map based on the visualization instruction to generate a corresponding visualization result.
As shown in fig. 3, the coordinate set of the boundary points is converted into a closed ring, and the ring after the conversion of the boundary points of the item is converted into geometry. And constructing the created geometry and the filled pattern Symbol as Graphic. Adding constructed Graphic to Graphic layer. And adding the Graphic layer into the map to realize dynamic drawing of the project boundary, wherein the dynamic drawing of the whole project boundary is completed by utilizing ArcGIS API for JavaScript. Specifically, the overlap and conversion of the survey object Geometry and the map are realized through the canvas graphic container based on the minimum bounding rectangle range.
In step S004, based on the visualization instruction, the outcome map including the administrative division map, the plot boundary map, the boundary coordinate map, the site history image, and the sampling point bitmap may be output and displayed. Wherein the content of the first and second substances,
administrative region map: and performing superposition analysis on the project boundary Geometry generated in the step S003 and administrative area boundary data to acquire administrative boundary information to which the project belongs. And acquiring the minimum circumscribed rectangle range according to the acquired administrative boundary information. The information contained in the map in the minimum bounding rectangle range of the administrative district to which the project belongs is cloned into the canvas graphic container by using the canvas graphic container of the html 5. The content in the canvas graphic container is finally converted into a political map as shown in fig. 9.
Plot boundary diagram: and acquiring the circumscribed rectangular range with the minimum boundary through the item boundary Geometry generated in the step S003. The information contained in the map within the minimum bounding rectangle of the boundary of the item is cloned into the canvas graphics container using the canvas graphics container of html 5. The content in the canvas graphics container is finally converted to a parcel boundary map.
Boundary coordinate graph: according to the coordinate point set generated in step S002, the corner coordinates are reduced by using the thinning function of the GIS while ensuring that the graph is not distorted, as shown in fig. 10. And drawing the coordinate point set after thinning and the graphic dynamic after the coordinate point set and the coordinate point are converted into a map. The information contained in the map within the minimum bounding rectangle of the boundary of the item is cloned into the canvas graphics container using the canvas graphics container of html 5. The content in the canvas graphics container is finally converted into a boundary coordinate graph.
Site history images: and acquiring the circumscribed rectangular range with the minimum boundary through the item boundary Geometry generated in the step S003. And dynamically adding the remote sensing image of the selected year into the map, and generating a field history image according to the minimum external rectangular range of the project boundary.
Sampling position map: as shown in fig. 4, a map display range is set by the minimum circumscribed rectangular range of the geometry generated in step S003 according to the entered basic information of the sampling point. Monitoring a Map click event to acquire coordinate information of mouse click, constructing Graphic according to the coordinate information and the type of the sampling point, adding the constructed Graphic into a graphics layer, and adding the graphics layer into the Map to realize dynamic drawing of the item sampling point and form a sampling distribution diagram, as shown in fig. 11.
Step S005, as shown in fig. 5, the result diagram generated in step S004 asynchronously calls the background data storage interface to dynamically store the attribute information of the result diagram into the database through the Javascript, and the original file information of the result diagram is stored into the file server.
Example 2
The embodiment provides a place data field operation visualization device in the investigation of place environment, includes: the analysis module is used for acquiring a DXF file of the surveyor and analyzing the DXF file to acquire the boundary point coordinates of the surveyor; the boundary point acquisition module is used for selecting a superposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map and generating a converted boundary point coordinate set; the conversion module is used for converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode; and the visualization module is used for dynamically adding the surveyor Geometry into the map based on the visualization instruction to generate a corresponding visualization result. The device can realize the functions of importing a boundary DXF, editing a result chart, an administrative region chart, a land parcel boundary chart, a boundary coordinate chart, a sampling point bitmap, saving a picture, a knee point coordinate list, a field position screenshot and the like, and accurately drop a boundary red line of a land parcel on a system base map by utilizing a GIS technology according to the geographic coordinates of the investigated land parcel. The rest is the same as example 1.
Example 3
The present embodiment provides a computer-readable medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the field data job visualization method in the field environment survey according to embodiment 1.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A site data internal business visualization method in site environment survey is characterized by comprising the following steps:
acquiring a DXF file of an investigator, and analyzing the DXF file to acquire boundary point coordinates of the investigator;
selecting a superposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map, and generating a converted boundary point coordinate set;
converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode;
and dynamically adding the surveyor Geometry into the map based on a visualization instruction to generate a corresponding visualization result.
2. The field data employment visualization method in field environment survey of claim 1, characterized in that all boundary point coordinates of the surveyed object are obtained by traversal.
3. The field data employment visualization method in field environment survey according to claim 1, wherein the dynamically adding the surveyor Geometry into the map specifically comprises:
and acquiring a corresponding filling pattern based on the visualization instruction, and constructing a layer added into the map based on the surveyor Geometry and the filling pattern.
4. The field data interior visualization method in the field environment survey as claimed in claim 1 or 3, wherein the overlapping and conversion of the survey object Geometry and the map are realized by a canvas graphic container based on a minimum bounding rectangle.
5. The field data employment visualization method in the field environment survey as claimed in claim 3, wherein the filling pattern comprises administrative district boundary data, historical year remote sensing images and/or sampling point information.
6. The field data employment visualization method in the field environment survey as claimed in claim 1, wherein the visualization result comprises an administrative region map, a plot boundary map, a boundary coordinate map, a field historical image and/or a sampling point bitmap.
7. The field data employment visualization method according to claim 6, wherein when the boundary coordinate map is generated, the boundary point coordinate set is subjected to thinning processing, and the boundary coordinate map is generated from the boundary point coordinate set after the thinning processing.
8. The field data interior visualization method in the field environment survey as claimed in claim 6, wherein when the sampling point bitmap is generated, a map display range is set based on a minimum circumscribed rectangular range of a survey object Geometry, corresponding click coordinate information is generated when a mouse click command is monitored, and a layer added to the map is constructed based on the click coordinate information and a sampling point type.
9. A field data internal work visualization device in field environment investigation is characterized by comprising:
the analysis module is used for acquiring a DXF file of the surveyor and analyzing the DXF file to acquire the boundary point coordinates of the surveyor;
the boundary point acquisition module is used for selecting a superposed map, realizing coordinate conversion of the boundary point coordinates based on a coordinate system of the map and generating a converted boundary point coordinate set;
the conversion module is used for converting the boundary point coordinate set into an investigation object Geometry in a closed loop conversion mode;
and the visualization module is used for dynamically adding the surveyor Geometry into the map based on the visualization instruction to generate a corresponding visualization result.
10. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for site data job visualization in a site environment survey according to any one of claims 1 to 8.
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Application publication date: 20210105 |