CN111309842A - Special instrument for geographic mapping, mapping method and application - Google Patents
Special instrument for geographic mapping, mapping method and application Download PDFInfo
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Abstract
The invention belongs to the technical field of surveying and mapping, and discloses a special geographic surveying and mapping instrument, a surveying and mapping method and application, wherein a survey point monitoring information and landform image, soil composition and altitude report information database is established, and data information is permanently stored; establishing two-dimensional setting; the function of extracting data from the service library is realized; establishing a multi-dimensional analysis set model of the monitoring data of the measuring points; analyzing and displaying the monitoring data of the measuring points, the landform image, the soil component and the report data information of the altitude; and deploying the software database at the server. The invention can collect and store a large amount of data information of monitoring and topographic images of measuring points, soil components and report information of altitude, and provide valuable data information for the establishment of a prevention and control strategy of the measuring points, early warning prediction of the topographic images, the soil components and the altitude, control of the measuring points, assessment and identification of elimination.
Description
Technical Field
The invention belongs to the technical field of mapping, and particularly relates to a special geographic mapping instrument, a mapping method and application.
Background
Currently, surveying and mapping is measurement and mapping. Based on PC technology, photoelectric technology, network communication technology, space science and information science, the existing characteristic points and boundary lines of the ground are measured to obtain the figure and position information reflecting the current situation of the ground for planning and design and administrative management of engineering construction.
The geographic identification technology is applied to various industries more and more, and the geographic identification in the field of video monitoring is developing more and more rapidly. The existing geographic identification technology can realize geographic identification and mapping only by matching a front-end measuring point information acquisition module with a rear-end server.
The monitoring of the landform image, the soil component and the altitude is the basic work of the prevention and control of the measuring point, a large amount of monitoring data information is accumulated in the monitoring of the measuring point and the investigation of the landform image, the soil component and the altitude, but the prior system does not comprehensively realize the functions of collecting, storing, inquiring, summarizing, analyzing, displaying a map and the like of the monitoring data of the measuring point, the landform image, the soil component and the altitude report information. Therefore, a statistical analysis system for monitoring data of a measuring point is needed to solve the existing problems.
In summary, the problems of the prior art are as follows: (1) the existing system does not comprehensively realize the functions of collecting, storing, inquiring, summarizing, analyzing, displaying a map and the like of monitoring data of a measuring point, a landform image, soil components and report information of altitude.
(2) Original survey and drawing mode through carrying out single-point measurement for the manual work, takes the information of measurement to integrate together, and this kind of mode is handled slower, and manual handling, and the deviation of information appears easily, causes the result of survey and drawing inaccurate.
(3) In the prior art, the method for automatically identifying the geographic name has the disadvantages of large system, complex configuration, high cost, poor replaceability and incapability of being used in a large scale.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a special instrument for geographic mapping, a mapping method and application.
The invention is realized in such a way that the surveying method of the special geographic surveying instrument comprises the following steps:
establishing a measuring point monitoring information and a landform image, soil composition and altitude report information database, permanently storing data information, and allowing the data information to be accessed by a service library and a terminal after networking;
step two, establishing dimension setting; the method comprises the following steps: time, area, measuring point, monitoring object, monitoring type key service dimension;
step three, establishing a data structure and key indexes of a fact database; the function of extracting data from the service library is realized; the key indexes comprise landform images, soil components and altitude index data;
establishing a multi-dimensional analysis set model of the monitoring data of the measuring points, wherein the multi-dimensional analysis set model comprises service dimensions, a fact library and conversion of data from the service library to the fact library;
step five, browsing the data of the multi-dimensional analysis set; the dimensionality is selected independently according to the established multidimensional analysis set, and various specific statistical reports are combined; processing a multidimensional data warehouse according to a data structure of a measuring point monitoring mode, and forming a summary table of monitoring data according to different detection aspects; organizing the data into a three-dimensional data space;
analyzing and displaying the monitoring data of the measuring points, the landform image, the soil components and the report data information of the altitude; grouping dimensions are selected independently from the monitoring information, the landform image, the soil component and the altitude information, data summarization is carried out, and a specific statistical report is generated; the monitoring results are transversely compared and analyzed with the data in the same period and the previous period according to the year and the month, and an analysis chart is generated; the monitoring information result realizes the distribution display of the map of the subareas according to the longitude and the latitude; the map distribution of the regions is shown as: setting corresponding parameters of data of a survey point monitoring and geomorphic image, soil components and altitude information database, displaying regional distribution characteristics of different survey points by using different data values and regional map color gradient, and finally generating a statistical distribution map of survey point monitoring information results displayed according to longitude and latitude;
step seven, deploying the software database at a server side by adopting a C/S architecture, and dividing a software client side into an input management side and a statistical analysis side according to different use requirements; imaging the measuring point information acquisition module in a certain area, calculating a geographical coordinate range in the field of view of the measuring point information acquisition module by a PC (personal computer) host of an input management end according to the current pitch angle of the measuring point information acquisition module, the field angle and the pixel value of the measuring point information acquisition module and geographical coordinates of the input management end, comparing and operating the geographical coordinate range with an electronic map data packet stored in the PC host, mapping the geographical coordinates of important geographical marks on a map into the field of view of the measuring point information acquisition module, and simultaneously carrying out name identification; and the PC host marks the names of the important geographic marks in the limited distance on the image of the measuring point information acquisition module by characters.
Further, in the seventh step, the PC host sends the obtained geographic coordinates to a working PC with a display function; inputting electronic map information into a working PC with a display function; the work PC with the display function positions the geographic coordinates sent by the input management end on the electronic map, and marks the geographic position on the electronic map;
further, in the seventh step, the PC host acquires the geographical coordinates of the current logging management end through a position sensor which is also installed on the logging management end, acquires the level of the front view of the measuring point information acquisition module on the logging management end through a position sensor, and acquires the current pitch angle of the measuring point information acquisition module through the calculation of the logging management end.
Further, in the seventh step, the method for the PC host to perform character labeling on the name of the important geographic marker in the limited distance on the image of the measuring point information acquisition module includes:
setting the distance from a certain point on the ground to the central axis of the measuring point information acquisition module as d, the total height of the vertical imaging of the measuring point information acquisition module as H, the installation height of the recording management end as H, the pitch angle as theta, and the field angle of the measuring point information acquisition module as β, wherein the distance from the point to the imaging horizontal axis in the image of the measuring point information acquisition module is as follows:
Y＝d*sinθ/(H/cosβ/2+d*cosθ)*h/2
the distance between the point and the input management end is known according to the electronic map data, if D is set, then
d＝D-H*ctgθ
When d is positive, the point is imaged on the upper side of the horizontal axis of the measuring point information acquisition module, and on the contrary, the point is imaged on the lower side.
Furthermore, the azimuth angle of a certain point on the ground relative to the recording management end is
The azimuth angle of the central axis of the measuring point information acquisition module is gamma according to the knowledge of a position sensor on the input management end, according to conversion, the relative angle between the connecting line of the central axis of the measuring point information acquisition module and the central axis of the measuring point information acquisition module is mu, the horizontal angle of view of the measuring point information acquisition module is α, the horizontal imaging width of the measuring point information acquisition module is W, and the distance X from the ground point to the vertical axis on the imaging of the measuring point information acquisition module is determined as follows:
X＝μ/α*W
taking the clockwise direction as positive, when mu is negative, imaging on the left side of the imaging vertical axis, and on the contrary, imaging on the right side;
according to the value of X, Y, the position of the geographic mark to be calibrated in the visual field of the measuring point information acquisition module can be calculated by combining the target to be calibrated.
Further, in the seventh step, the working PC with the display function acquires the linear distance, the azimuth angle and the name of an important geographic sign to the input management end within the peripheral limited distance by taking the input management end position of the mark on the electronic map as the center according to the user requirement; the working PC with the display function inputs the distance and name information of the important geographic sign in the peripheral limited distance of the input management end acquired from the electronic map into the PC host.
In the seventh step, the geographic coordinate acquisition method includes: acquiring a random number and a first fixed geographical coordinate value through a geographical coordinate acquisition unit integrated with a measuring point information acquisition module, taking the first fixed geographical coordinate value as a modulus, performing modulus acquisition on the random number to obtain first geographical coordinate data, and selecting an unprocessed data bit from the first geographical coordinate data;
acquiring initial point values corresponding to the selected data bits from a pre-stored initial point value list according to the positions of the selected data bits in the first geographical coordinate data, wherein each initial point value in the initial point value list is an operation result obtained by performing point multiplication on different power values and a preset first point geographical coordinate value;
performing dot multiplication on the obtained initial point value and data in the selected data bit, performing dot addition operation on the obtained dot multiplication result and an intermediate point value to obtain a dot addition result, and updating the intermediate point value into the dot addition result, wherein the initial value of the intermediate point value is (0, 0); judging whether unprocessed data bits exist in the first geographic coordinate data or not; outputting the intermediate point value as a result data coordinate to generate a coordinate system;
the image acquisition method of the measuring point information acquisition module comprises the following steps: acquiring an original image and a degraded image of the original image added with ambient light ground color through an image acquisition processing unit integrated with a measuring point information acquisition module, acquiring the chromaticity difference of the original image and the degraded image, and performing chromaticity compensation on the original image by using the chromaticity difference to obtain a compensated image;
correcting the compensated image data to obtain correction data, performing denoising processing on the correction data to obtain denoising data, performing multi-layer wavelet decomposition on a denoising image by an image processor of the image acquisition processing unit to obtain corresponding multi-layer wavelet coefficients, and determining a noise threshold corresponding to each layer of wavelet coefficients according to the total number of the multi-layer wavelet coefficients and the sequence number corresponding to each layer of wavelet coefficients;
denoising the multilayer wavelet coefficients by using a plurality of noise thresholds corresponding to the multilayer wavelet coefficients, and reconstructing corresponding original images by using the denoised multilayer wavelet coefficients; and acquiring an image root according to the same-name point identifier of the original image, and sending the image root.
The invention also aims to provide a special instrument for geographic mapping, which comprises a client and a server, wherein the client comprises an input management end and a statistical analysis end; the database is deployed in the server; the client comprises a presentation layer, a core service layer, a service supporting layer and a data layer;
the presentation layer comprises an input management end and a statistical analysis end and provides the capability of interface interaction with the server;
the core business layer is loaded with measurement point monitoring data and a landform image, soil composition and altitude report information statistical analysis system and is divided into two parts of statistics according to time and region;
the service supporting layer is used for carrying software for operating a surveying and mapping program of the special geographic surveying and mapping instrument and is used for carrying out data interaction between data of the data layer and data of the server;
the data layer provides data storage, access service and a data analysis service engine, and loads a data warehouse and a multidimensional analysis set;
the server comprises a database module, and is used for recording years of measurement point monitoring data and landform images, soil components and altitude information by establishing a monitoring information database, and permanently storing the measurement point monitoring data and the landform images, the soil components and the altitude report data information.
Further, the input management end comprises an input management module, and the data of the monitoring of the measuring points, the landform image, the soil components and the altitude information are input into the database in an input or file import mode; inquiring and editing the data of the database;
the statistical analysis end system comprises a statistical analysis module used for inquiring, counting, summarizing and analyzing the data information stored in the database; and derive data tables, analysis charts and area map displays.
Another object of the present invention is a program storage medium for receiving user input, the stored PC program causing an electronic device to execute the method for surveying a geographical surveying instrument.
Another object of the invention is a PC program product stored on a PC readable medium, comprising a PC readable program for providing a user input interface for implementing the method of dedicated surveying of geographical mapping when executed on an electronic device.
In summary, the advantages and positive effects of the invention are: the invention reduces the surveying and mapping time and improves the surveying and mapping efficiency through a centralized integrated measuring mode, and can protect the surveying and mapping information and avoid loss through a mode of uploading the surveying and mapping information in time.
The method comprises the steps that a measuring point information acquisition module is imaged in a certain area, a PC host of an input management end calculates the geographic coordinate range in the field of view of the measuring point information acquisition module according to the pitch angle of the current measuring point information acquisition module, the field angle and the pixel value of the measuring point information acquisition module and the geographic coordinate sum of the input management end, compares the geographic coordinate range with an electronic map data packet stored in the PC host, calculates, maps the geographic coordinates of important geographic marks on a map into the field of view of the measuring point information acquisition module, and simultaneously carries out name identification; and the PC host marks the names of the important geographic marks in the limited distance on the image of the measuring point information acquisition module by characters. The PC host can be set once during equipment debugging, so that name labeling can be automatically carried out on information such as important geographic marks and mountains around monitoring at the front end, the purpose of enriching monitoring image information is achieved, and monitoring experience of the system is improved. The professional server at the back end can be omitted, and cost can be saved for the user by more than sixty percent through the introduction of the PC host.
The invention utilizes the PC host technology and the electronic map technology which are rapidly developed at present, realizes image enhancement and enriches the monitoring image information.
The invention also has the advantages that: the operation is simple on the front-end PC host; the cost is low, and excessive cost does not need to be invested.
The special instrument for geographical mapping realizes the functions of acquisition, storage, query, summarization, analysis, map display and the like of the monitoring data and the topographic image, soil composition and altitude report information of the measuring point, obtains obvious results, provides favorable data analysis tool support for the monitoring work of the measuring point, improves the working efficiency in the aspects of monitoring data collection, summarization, application and the like and the application capability of the monitoring data, and lays a tamping foundation for better realizing the deep business analysis application of the business data.
The invention realizes the monitoring of measuring points, a landform image, a soil component and altitude report information database, the unified management of data specifications and the application of data statistical analysis. The method can conveniently input and export each monitoring data and regional distribution map of each year. The software client can realize the separation of the input management end and the statistical analysis end, and meet different use requirements. The server can independently select dimensions, flexibly combine various specific statistical reports, compare and analyze the statistical reports and form regional distribution map display.
The invention improves the application efficiency of the monitoring of the measuring points and the data of the landform image, the soil component and the altitude information, and has great economic and social ecological benefits.
The invention can collect and store a large amount of data information of monitoring and topographic images of measuring points, soil components and report information of altitude, and provide valuable data information for the establishment of a prevention and control strategy of the measuring points, early warning prediction of the topographic images, the soil components and the altitude, control of the measuring points, assessment and identification of elimination. The measuring point monitoring and landform image, soil composition and altitude report information data application capability can be improved, and the working efficiency is improved. The safety, the uniformity and the continuity of the monitoring of the measuring points and the data of the landform image, the soil component and the altitude report information can be ensured.
Through the monitoring of the measuring points and the statistical analysis and application of the topographic image, the soil composition and the altitude report information data, more convenient and valuable technical data can be provided for relevant departments, and a basis is provided for making scientific measuring point prevention and control measures.
The invention generates a coordinate system through geographic coordinate acquisition. In the image acquisition of the measuring point information acquisition module, denoising the multilayer wavelet coefficients by using a plurality of noise thresholds corresponding to the multilayer wavelet coefficients, and reconstructing corresponding original images by using the denoised multilayer wavelet coefficients; and acquiring an image root according to the same-name point identifier of the original image, and sending the image root. Accurate geographic information and clear images can be obtained, and guarantee is provided for subsequent engineering.
Drawings
Fig. 1 is a flow chart of a surveying method of a special instrument for geographical surveying according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a surveying method of a special instrument for geographical surveying according to an embodiment of the present invention.
FIG. 3 is a flowchart of a method for marking measurement points of a PC host according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for performing character annotation on the name of an important geographic marker within a limited distance on an image of a measurement point information collection module by a PC host according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of statistical decision tree analysis of the monitoring data of the measuring point according to the embodiment of the present invention.
In the figure: 1. a client; 2. a server; 3. a presentation layer; 4. a core service layer; 5. a service support layer; 6. a data layer; 7. a database module; 8. a recording management module; 9. and a statistical analysis module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a special instrument for geographic mapping, a mapping method and application thereof, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the surveying method of the special instrument for geographical surveying provided by the embodiment of the present invention includes the following steps:
s101, establishing a measuring point monitoring information and landform image, soil composition and altitude report information database, permanently storing data information, and allowing the data information to be accessed by a service library and a terminal after networking.
S102, establishing two-dimensional setting.
S103, establishing a data structure and key indexes of a fact database; and the function of extracting data from the service library is realized.
S104, establishing a multi-dimensional analysis set model of the monitoring data of the measuring points, wherein the multi-dimensional analysis set model comprises service dimensions, a fact library and conversion of data from the service library to the fact library.
And S105, browsing the data of the multi-dimensional analysis set.
And S106, analyzing and displaying the monitoring data of the measuring points, the landform image, the soil composition and the altitude report data information.
And S107, deploying the software database at a server side by adopting a C/S (client/server) architecture, and dividing the software client into an input management side and a statistical analysis side according to different use requirements.
The step S102 of setting the two dimensions includes: designing time, area, measuring point, monitoring object and monitoring type key service dimension.
The key indexes of the step S103 comprise a landform image, soil components and altitude index data.
The mapping method for browsing the multidimensional analysis set data in step S105 is as follows: the dimensionality is selected independently according to the established multidimensional analysis set, and various specific statistical reports are combined; processing a multidimensional data warehouse according to a data structure of a measuring point monitoring mode, and forming a summary table of monitoring data according to different detection aspects; the data is organized into a three-dimensional data space.
Step S106, performing data summarization and generating a specific statistical report by autonomously selecting grouping dimensions of monitoring information, a landform image, soil components and altitude information; the monitoring results are transversely compared and analyzed with the data in the same period and the previous period according to the year and the month, and an analysis chart is generated; and the monitoring information result realizes the distribution display of the map of the region according to the longitude and the latitude.
The regional map distribution display mapping method comprises the following steps: corresponding parameters are set for data of a survey point monitoring and landform image, soil components and altitude information database, regional distribution characteristics of different survey points are displayed by different data values and regional map color gradient, and a statistical distribution map of survey point monitoring information results displayed according to longitude and latitude is finally generated.
Fig. 2 is a principle of a surveying method of a special instrument for geographical surveying according to an embodiment of the present invention.
In step S107, as shown in fig. 3, the method for labeling the measurement point of the PC host includes:
s201, imaging the measuring point information acquisition module in a certain area, and recording the sum of the geographic coordinates of the management end according to the current pitch angle of the measuring point information acquisition module, the view angle and the pixel value of the measuring point information acquisition module and the current sum of the geographic coordinates of the management end by the PC host of the recording management end.
S202, calculating the geographic coordinate range in the visual field of the measuring point information acquisition module, comparing the geographic coordinate range with an electronic map data packet stored in the PC host, calculating, mapping the geographic coordinates of important geographic marks on the map into the visual field of the measuring point information acquisition module, and identifying names at the same time.
S203, the PC host carries out character labeling on the name of the important geographic sign in the limited distance on the image of the measuring point information acquisition module.
In step S107, the PC host sends the acquired geographic coordinates to a working PC with a display function; inputting electronic map information into a working PC with a display function; and the work PC with the display function positions the geographic coordinates sent by the input management terminal on the electronic map, and marks the geographic position on the electronic map.
In step S107, the PC host obtains the geographical coordinates of the current entry management terminal through the position sensor also installed on the entry management terminal, obtains the level of front view of the measurement point information acquisition module on the entry management terminal through the orientation sensor, and obtains the current pitch angle of the measurement point information acquisition module through the calculation of the entry management terminal itself.
In step S107, as shown in fig. 4, the method for the PC host to perform character annotation on the name of the important geographic marker in the limited distance on the image of the measuring point information collection module includes:
s301, setting the distance from a certain point on the ground to the central axis of the measuring point information acquisition module as d, the vertical imaging total height of the measuring point information acquisition module as H, the recording management end installation height as H, the pitch angle as theta, and the field angle of the measuring point information acquisition module as β, and then setting the distance from the point to the imaging horizontal axis in the image of the measuring point information acquisition module as:
Y＝d*sinθ/(H/cosβ/2+d*cosθ)*h/2
the distance between the point and the input management end is known according to the electronic map data, if D is set, then
d＝D-H*ctgθ
When d is positive, the point is imaged on the upper side of the horizontal axis of the measuring point information acquisition module, and on the contrary, the point is imaged on the lower side.
S302, the azimuth angle of a certain point on the ground relative to the recording management end is
The azimuth angle of the central axis of the measuring point information acquisition module is gamma according to the knowledge of a position sensor on the input management end, according to conversion, the relative angle between the connecting line of the central axis of the measuring point information acquisition module and the central axis of the measuring point information acquisition module is mu, the horizontal angle of view of the measuring point information acquisition module is α, the horizontal imaging width of the measuring point information acquisition module is W, and the distance X from the ground point to the vertical axis on the imaging of the measuring point information acquisition module is determined as follows:
X＝μ/α*W
taking the clockwise direction as positive, when mu is negative, imaging on the left side of the imaging vertical axis, and on the contrary, imaging on the right side;
and S303, according to the value of X, Y, combining with the target to be calibrated, so as to calculate the position of the geographic mark to be calibrated in the view of the measuring point information acquisition module.
In step S107, the working PC with the display function acquires the linear distance, the azimuth angle and the name from the input management end of the important geographic sign within the peripheral limited distance by taking the position of the input management end of the mark on the electronic map as the center according to the needs of a user; the working PC with the display function inputs the distance and name information of the important geographic sign in the peripheral limited distance of the input management end acquired from the electronic map into the PC host.
The geographic coordinate acquisition method comprises the following steps: the method comprises the steps of obtaining a random number and a first fixed geographic coordinate value through a geographic coordinate collecting unit integrated with a measuring point information collecting module, taking the first fixed geographic coordinate value as a modulus, conducting modulus extraction on the random number to obtain first geographic coordinate data, and selecting an unprocessed data bit from the first geographic coordinate data.
And acquiring an initial point value corresponding to the selected data bit from a pre-stored initial point value list according to the position of the selected data bit in the first geographical coordinate data, wherein each initial point value in the initial point value list is an operation result obtained by performing point multiplication on different power values and a preset first point geographical coordinate value.
Performing dot multiplication on the obtained initial point value and data in the selected data bit, performing dot addition operation on the obtained dot multiplication result and an intermediate point value to obtain a dot addition result, and updating the intermediate point value into the dot addition result, wherein the initial value of the intermediate point value is (0, 0); judging whether unprocessed data bits exist in the first geographic coordinate data or not; and outputting the intermediate point value as a result data coordinate to generate a coordinate system.
The image acquisition method of the measuring point information acquisition module comprises the following steps: the method comprises the steps of obtaining an original image and a degraded image of the original image added with ambient light ground color through an image collecting and processing unit integrated with a measuring point information collecting module, obtaining the chromaticity difference of the original image and the degraded image, and carrying out chromaticity compensation on the original image by utilizing the chromaticity difference to obtain a compensated image.
Correcting the compensated image data to obtain correction data, denoising the correction data to obtain denoising data, performing multi-layer wavelet decomposition on the denoising image by an image processor of the image acquisition processing unit to obtain corresponding multi-layer wavelet coefficients, and determining a noise threshold corresponding to each layer of wavelet coefficients according to the total number of the multi-layer wavelet coefficients and the sequence number corresponding to each layer of wavelet coefficients.
Denoising the multilayer wavelet coefficients by using a plurality of noise thresholds corresponding to the multilayer wavelet coefficients, and reconstructing corresponding original images by using the denoised multilayer wavelet coefficients; and acquiring an image root according to the same-name point identifier of the original image, and sending the image root.
As shown in fig. 5, the special geographic mapping instrument provided in the embodiment of the present invention includes a client 1 and a server 2, where the client 1 includes an input management end and a statistical analysis end; the database is deployed in the server; the client comprises a presentation layer 3, a core service layer 4, a service support layer 5 and a data layer 6.
And the presentation layer 3 comprises an input management end and a statistical analysis end and provides the capability of interface interaction with the server.
And the core service layer 4 is provided with a measuring point monitoring data and a landform image, soil composition and altitude report information statistical analysis system, and is divided into two parts of time-based statistics and area-based statistics.
And the service supporting layer 5 is used for carrying software for operating a surveying and mapping program of the special geographic surveying and mapping instrument and is used for carrying out data interaction between data of the data layer and data of the server.
And the data layer 6 provides data storage, access service, a data analysis service engine, a loading data warehouse and a multi-dimensional analysis set.
The server 2 comprises a database module 7, and records years of measurement point monitoring data and landform images, soil components and altitude information by establishing a monitoring information database, and permanently stores the measurement point monitoring data and landform images, soil components and altitude report data information.
The input management end comprises an input management module 8, and the data of the monitoring of the measuring points, the landform image, the soil components and the altitude information are input into the database in an input or file import mode; and querying and editing the data of the database.
The statistical analysis end system comprises a statistical analysis module 9 which is used for inquiring, counting, summarizing and analyzing the data information stored in the database; and derive data tables, analysis charts and area map displays.
The present invention will be further described with reference to effects.
The results obtained by the invention include:
(1) and the measurement point monitoring, the landform image, the soil component and altitude report database and the statistical analysis application map software are completed.
(2) And (4) performing transverse comparative analysis on the years of monitoring results according to the aspects of the years, the months and the like.
(3) The statistical data and analysis results of various indexes are exported according to the month and year and are comprehensively displayed in the form of tables and statistical graphs.
(4) The development work of the statistical analysis map software of the monitoring data of the main measuring points is completed, at present, a database is deployed to a central server, a software client is built to a working computer of related professional technical personnel, and the database and the software are integrally tested according to requirements after the development is completed.
(5) Data information of monitoring and topographic images, soil components and altitude reports of the measuring points for years is collected and sorted, and data information of monitoring data of the main measuring points, and topographic images, soil components and altitude reports are recorded into the database through a software recording management terminal. The software is applied to actual work in time, relevant data are inquired, counted and analyzed according to relevant statistical indexes, the derived data table, analysis chart and regional map display are applied to actual monitoring business work, a series of measuring point monitoring and landform images, soil components and altitude report data information regional distribution map display are manufactured, the working summary of measuring point monitoring and landform images, soil components and altitude report is completed, and data and technical support are provided for relevant departments to formulate measuring point prevention and control strategies.
(6) The data analysis and display comprises analysis and display of measurement point monitoring data, analysis and display of landform images, soil component and altitude report data information, self-defined measurement point monitoring and display of landform images, soil component and altitude information data area distribution maps.
The analysis and display of the monitoring data of the measuring points comprise:
(6.1) statistics and summarization of regional monitoring data:
the regional monitoring data summarization is realized according to the longitude and the latitude, and the method can be as follows: the method comprises the steps of screening conditions such as time, area, measuring point, monitoring class and the like, supporting comparison with data in the same period and in the previous period, displaying query, statistics and summary results in a form of a table and a statistical chart, wherein statistical paths and modes of the data mainly comprise contents such as summation, percentage calculation, proportion calculation and the like. The statistical results of the monitoring data can be summarized according to the county level and the city level, and the data export is supported.
(6.2) statistical analysis of monitoring data chart:
after the monitoring data are subjected to statistical analysis, the analysis result supports the display in the form of a table and a statistical chart, and supports the comparison of monitoring information according to different geographic positions.
(6.3) summarizing monitoring data according to time statistics:
the detection results can be compared, inquired and statistically summarized according to the year and the month. According to the selected dimension and measurement group, transverse comparison analysis is carried out according to the aspects of year, month, and the like, and the same measurement points are compared among different points. The query and statistical result support is shown in the form of tables and statistical graphs, and data export is supported.
(6.4) monitoring data trend analysis:
the detection result can be compared and statistically analyzed according to the year and the month, and trend analysis is carried out. Supporting the generation of bar graphs, line graphs, etc.
(6.5) displaying a monitoring information area statistical map:
the area distribution characteristics of the monitoring results of the measuring points are displayed by different data values and the color gradient of the area map, a statistical distribution map of the monitoring information of the measuring points displayed according to the longitude and the latitude is generated, and the map supports the derivation of picture files in formats of bmp, jpg and the like and can be expanded and printed as a display hanging map.
(7) Monitoring measuring points and displaying a landform image, a soil component and altitude information data area distribution map:
corresponding parameters are set for the monitoring and landform images of the measuring points, soil components and altitude information data, the regional distribution characteristics of different measuring points are displayed by different data values and regional map color gradient, and finally a statistical distribution map which is displayed by the monitoring and landform images of the measuring points, the soil components and the altitude information results according to longitude and latitude is generated. For example, the distribution display of a measuring point monitoring sampling area, the epidemiology survey of the measuring point relates to the display of an area, a landform image, soil components and altitude epidemic point distribution display and the like, and the map supports and exports picture files with formats of bmp, jpg and the like.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by software plus a necessary hardware platform, and may also be implemented by hardware entirely. With this understanding in mind, all or part of the technical solutions of the present invention that contribute to the background art may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes instructions for causing a PC device (which may be a personal PC, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The special instrument for geographic mapping is characterized by comprising the following steps of:
establishing a measuring point monitoring information and a landform image, soil composition and altitude report information database, permanently storing data information, and allowing the data information to be accessed by a service library and a terminal after networking;
step two, establishing dimension setting; the method comprises the following steps: time, area, measuring point, monitoring object, monitoring type key service dimension;
step three, establishing a data structure and key indexes of a fact database; the function of extracting data from the service library is realized; the key indexes comprise landform images, soil components and altitude index data;
establishing a multi-dimensional analysis set model of the monitoring data of the measuring points, wherein the multi-dimensional analysis set model comprises service dimensions, a fact library and conversion of data from the service library to the fact library;
step five, browsing the data of the multi-dimensional analysis set; the dimensionality is selected independently according to the established multidimensional analysis set, and various specific statistical reports are combined; processing a multidimensional data warehouse according to a data structure of a measuring point monitoring mode, and forming a summary table of monitoring data according to different detection aspects; organizing the data into a three-dimensional data space;
analyzing and displaying the monitoring data of the measuring points, the landform image, the soil components and the report data information of the altitude; grouping dimensions are selected independently from the monitoring information, the landform image, the soil component and the altitude information, data summarization is carried out, and a specific statistical report is generated; the monitoring results are transversely compared and analyzed with the data in the same period and the previous period according to the year and the month, and an analysis chart is generated; the monitoring information result realizes the distribution display of the map of the subareas according to the longitude and the latitude; the map distribution of the regions is shown as: setting corresponding parameters of data of a survey point monitoring and geomorphic image, soil components and altitude information database, displaying regional distribution characteristics of different survey points by using different data values and regional map color gradient, and finally generating a statistical distribution map of survey point monitoring information results displayed according to longitude and latitude;
step seven, deploying the software database at a server side, and dividing a software client side into an input management side and a statistical analysis side according to different use requirements; imaging the measuring point information acquisition module in a certain area, calculating a geographical coordinate range in the field of view of the measuring point information acquisition module by a PC (personal computer) host of an input management end according to the current pitch angle of the measuring point information acquisition module, the field angle and the pixel value of the measuring point information acquisition module and geographical coordinates of the input management end, comparing and operating the geographical coordinate range with an electronic map data packet stored in the PC host, mapping the geographical coordinates of important geographical marks on a map into the field of view of the measuring point information acquisition module, and simultaneously carrying out name identification; and the PC host marks the names of the important geographic marks in the limited distance on the image of the measuring point information acquisition module by characters.
2. The method as claimed in claim 1, wherein in step seven, the PC host sends the acquired geographical coordinates to a work PC with a display function; inputting electronic map information into a working PC with a display function; and the work PC with the display function positions the geographic coordinates sent by the input management terminal on the electronic map, and marks the geographic position on the electronic map.
3. The surveying and mapping method of the special geographic mapping instrument as claimed in claim 1, wherein in step seven, the PC host acquires the geographic coordinate of the current logging management end through a position sensor also installed on the logging management end, acquires the level of the front view of the measurement point information acquisition module on the logging management end through an orientation sensor, and acquires the current pitch angle of the measurement point information acquisition module through the calculation of the logging management end itself.
4. The special surveying and mapping method for geographical surveying and mapping as claimed in claim 1, wherein in step seven, the method of character-labeling the names of important geographical marks within the limited distance on the image of the measuring point information collecting module by the PC host computer comprises:
setting the distance from a certain point on the ground to the central axis of the measuring point information acquisition module as d, the total height of the vertical imaging of the measuring point information acquisition module as H, the installation height of the recording management end as H, the pitch angle as theta, and the field angle of the measuring point information acquisition module as β, wherein the distance from the point to the imaging horizontal axis in the image of the measuring point information acquisition module is as follows:
Y＝d*sinθ/(H/cosβ/2+d*cosθ)*h/2
the distance between the point and the input management end is known according to the electronic map data, if D is set, then
d＝D-H*ctgθ
When d is positive, the point is imaged on the upper side of the horizontal axis of the measuring point information acquisition module, and on the contrary, the point is imaged on the lower side.
5. A method as claimed in claim 4, characterized in that said point on the ground has an azimuth with respect to the logging management terminal of
The azimuth angle of the central axis of the measuring point information acquisition module is gamma according to the knowledge of a position sensor on the input management end, according to conversion, the relative angle between the connecting line of the central axis of the measuring point information acquisition module and the central axis of the measuring point information acquisition module is mu, the horizontal angle of view of the measuring point information acquisition module is α, the horizontal imaging width of the measuring point information acquisition module is W, and the distance X from the ground point to the vertical axis on the imaging of the measuring point information acquisition module is determined as follows:
X＝μ/α*W
taking the clockwise direction as positive, when mu is negative, imaging on the left side of the imaging vertical axis, and on the contrary, imaging on the right side;
according to the value of X, Y, the position of the geographic mark to be calibrated in the visual field of the measuring point information acquisition module can be calculated by combining the target to be calibrated.
6. The special surveying and mapping method for geographical surveying and mapping as claimed in claim 1, wherein in step seven, the working PC with display function obtains the straight-line distance, the azimuth angle and the name of the important geographical sign within the peripheral defined distance to the entry management end by centering on the entry management end position of the mark on the electronic map according to the user's needs; the working PC with the display function inputs the distance and name information of the important geographic mark in the peripheral limited distance of the input management end acquired from the electronic map into the PC host;
in the seventh step, the geographic coordinate acquisition method includes: acquiring a random number and a first fixed geographical coordinate value through a geographical coordinate acquisition unit integrated with a measuring point information acquisition module, taking the first fixed geographical coordinate value as a modulus, performing modulus acquisition on the random number to obtain first geographical coordinate data, and selecting an unprocessed data bit from the first geographical coordinate data;
acquiring initial point values corresponding to the selected data bits from a pre-stored initial point value list according to the positions of the selected data bits in the first geographical coordinate data, wherein each initial point value in the initial point value list is an operation result obtained by performing point multiplication on different power values and a preset first point geographical coordinate value;
performing dot multiplication on the obtained initial point value and data in the selected data bit, performing dot addition operation on the obtained dot multiplication result and an intermediate point value to obtain a dot addition result, and updating the intermediate point value into the dot addition result, wherein the initial value of the intermediate point value is (0, 0); judging whether unprocessed data bits exist in the first geographic coordinate data or not; outputting the intermediate point value as a result data coordinate to generate a coordinate system;
the image acquisition method of the measuring point information acquisition module comprises the following steps: acquiring an original image and a degraded image of the original image added with ambient light ground color through an image acquisition processing unit integrated with a measuring point information acquisition module, acquiring the chromaticity difference of the original image and the degraded image, and performing chromaticity compensation on the original image by using the chromaticity difference to obtain a compensated image;
correcting the compensated image data to obtain correction data, performing denoising processing on the correction data to obtain denoising data, performing multi-layer wavelet decomposition on a denoising image by an image processor of the image acquisition processing unit to obtain corresponding multi-layer wavelet coefficients, and determining a noise threshold corresponding to each layer of wavelet coefficients according to the total number of the multi-layer wavelet coefficients and the sequence number corresponding to each layer of wavelet coefficients;
denoising the multilayer wavelet coefficients by using a plurality of noise thresholds corresponding to the multilayer wavelet coefficients, and reconstructing corresponding original images by using the denoised multilayer wavelet coefficients; and acquiring an image root according to the same-name point identifier of the original image, and sending the image root.
7. A special instrument for geographic mapping comprises a client and a server, wherein the client comprises an input management end and a statistical analysis end; the database is deployed in the server; the client is characterized by comprising a presentation layer, a core business layer, a service support layer and a data layer;
the presentation layer comprises an input management end and a statistical analysis end and provides the capability of interface interaction with the server;
the core business layer is loaded with measurement point monitoring data and a landform image, soil composition and altitude report information statistical analysis system and is divided into two parts of statistics according to time and region;
the service supporting layer is used for carrying software for operating a surveying and mapping program of the special geographic surveying and mapping instrument and is used for carrying out data interaction between data of the data layer and data of the server;
the data layer provides data storage, access service and a data analysis service engine, and loads a data warehouse and a multidimensional analysis set;
the server comprises a database module, and is used for recording years of measurement point monitoring data and landform images, soil components and altitude information by establishing a monitoring information database, and permanently storing the measurement point monitoring data and the landform images, the soil components and the altitude report data information.
8. The special instrument for geographical mapping as claimed in claim 1, wherein the input management end comprises an input management module for inputting the data of measuring point monitoring and topographic image, soil composition and altitude information into the database by means of input or file import; inquiring and editing the data of the database;
the statistical analysis end system comprises a statistical analysis module used for inquiring, counting, summarizing and analyzing the data information stored in the database; and derive data tables, analysis charts and area map displays.
9. A program storage medium for receiving user input, the stored PC program causing an electronic device to execute the method of surveying by a dedicated geographic surveying instrument according to any one of claims 1 to 7.
10. A PC program product stored on a PC readable medium, comprising a PC readable program for providing a user input interface for implementing a method for surveying a dedicated instrument for geographical surveying as claimed in any one of claims 1 to 7 when executed on an electronic device.
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