CN112040421A - Data fusion method based on agricultural map acquisition and presentation - Google Patents
Data fusion method based on agricultural map acquisition and presentation Download PDFInfo
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- CN112040421A CN112040421A CN202010944680.8A CN202010944680A CN112040421A CN 112040421 A CN112040421 A CN 112040421A CN 202010944680 A CN202010944680 A CN 202010944680A CN 112040421 A CN112040421 A CN 112040421A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Position Fixing By Use Of Radio Waves (AREA)
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Abstract
The invention provides a data fusion method based on agricultural map acquisition and presentation, which comprises a mobile phone application program and a measuring instrument, wherein the mobile phone application program system is utilized to realize initial positioning, the measuring instrument is powered and activated by a mobile phone, a positioning chip in the measuring instrument acquires a current positioning point through a signal antenna, a user selects a measuring mode, starts continuous positioning and carries out land measurement, the positioning data of the measuring instrument is acquired by the mobile phone application program and replaces the positioning data of the mobile phone, the mobile phone application program draws the acquired point data into a surface and superposes the surface on a GIS satellite base map, the GIS satellite base map is combined to carry out measurement surface display, the acquisition and presentation of land area are achieved, the cost is reduced while the measurement accuracy is improved, the measurement is simple, and a common farmer can conveniently check the map of the field.
Description
Technical Field
The invention mainly relates to the technical field of electronic information, in particular to a technology for collecting and presenting an agricultural map based on a GIS (geographic information system) map.
Background
At present, the networking of the Beidou positioning satellite is completed, the positioning precision can meet the requirement, the Beidou positioning foundation tends to be mature, related positioning chips and domestic GIS map software are gradually perfected, and a foundation capable of providing a farmland map data acquisition and display technology for common farmers is formed.
However, the existing agricultural map mainly uses a surveying instrument to survey and draw the agricultural map by a surveying and drawing company, and has the defects of high cost, long period and the like; surveying and mapping instruments are difficult to operate, a certain professional knowledge base is needed, ordinary people cannot measure own agricultural maps, the agricultural maps surveyed by surveying and mapping companies are not open to basic farmers at present, and ordinary farmers cannot check own field maps.
Disclosure of Invention
Technical problem to be solved by the invention
The invention provides a data fusion method based on agricultural map acquisition and presentation, which is used for solving the defects of high cost, long period and the like of the existing agricultural map mentioned in the background technology, which mainly uses a surveying and mapping instrument to survey and map the agricultural map by a surveying and mapping company; the surveying instrument is difficult to operate, a certain professional knowledge base is needed, ordinary people cannot measure own agricultural maps, the agricultural maps surveyed by surveying and mapping companies are not open to basic farmers at present, and the ordinary farmers cannot check own field maps.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that: a data fusion method based on agricultural map acquisition and presentation comprises a mobile phone application program and a measuring instrument, primary positioning is achieved through a mobile phone application program system, the measuring instrument is activated through mobile phone power supply, a positioning chip inside the measuring instrument obtains a current positioning point through a signal antenna, a user selects a measuring mode, continuous positioning is started, land measurement is conducted, positioning data of the measuring instrument is obtained through the mobile phone application program and replaces the positioning data of the mobile phone, the mobile phone application program draws the obtained point data into a surface and superposes the surface on a GIS satellite base map, and the surface is displayed in combination with the GIS satellite base map.
Further, the mobile phone application program comprises presentation of a measurement mode option, presentation of a current position based on the base map, presentation of land perimeter and area data, and display of a measurement land area on the base map.
Further, the measurement mode includes a ground mode and a fixed point mode.
Further, the specific measurement method of the ground winding mode is as follows: the user selects the mode of winding the ground, the user holds the measuring apparatu of being connected with the cell-phone and moves around the ground, the interval same time, the system acquires the location result callback to data filtering, pass through the speed parameter in the result according to the location data that returns, the processing mode of this location data of sign, and judge whether the location data is effective, then effectively update the location data to coordinate array result and concentrate, utilize the interface that the map frame provided to draw the pattern simultaneously.
Furthermore, the time interval for the system to obtain the positioning result and call back is (0.1 s-5 s), and the standard for identifying the positioning data processing mode in the measurement process is as follows: for the walking measurement, when the speed is less than 0.1m/s, the equipment is considered to stop moving, and the last coordinate point data in the coordinate array result set is updated to the coordinate point data; when the speed is more than 0.1m/s, the equipment is considered to be continuously measuring, and the coordinate point data is added to the coordinate array result set.
Further, the specific measurement method of the fixed-point mode is as follows: the user selects a fixed point mode, the user holds a measuring instrument connected with a mobile phone to move around the land at the same time interval, the system obtains a positioning result and recalls the positioning result, data filtering is carried out, the user clicks a point collecting button, a mobile phone application program obtains a first coordinate point returned after the point collecting button is clicked each time, whether the coordinate point is effective data or not is judged, if the coordinate point is effective, the coordinate point is updated to a coordinate array result set, and meanwhile, an interface provided by a map frame is used for drawing a pattern.
Furthermore, the point collection mode also supports a user to manually click and select a coordinate point, when the user clicks a base map of a mobile phone application program to select a point, whether the coordinate point is effective data is judged, the positioning data is effectively updated to a coordinate array result set, and meanwhile, a map is drawn by using an interface provided by a map frame, so that the user does not need to walk or move, can directly select a fixed point on the map, and is suitable for land measurement in a large area.
Furthermore, the data filtering mode is to eliminate the first (3-5) returned results.
Further, the valid data is determined by: and performing distance operation on the last coordinate point data in the result set and the coordinate point, and considering that the distance is effective only when the distance is more than 0.5 meter and less than 50 meters.
Furthermore, the coordinate array result set is provided with only one coordinate point, the coordinate array result set is provided with only two coordinate points which are drawing lines, and the coordinate array result set is provided with more than two coordinate points which are drawing surfaces.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the measuring instrument is activated by the power supply of the mobile phone, the current positioning point information is acquired by the positioning chip in the measuring instrument through the signal antenna and is transmitted to the application program through the connecting line, the application program clicks to measure to acquire the current positioning point, the positioning point data is drawn into a surface on the map and relevant attribute information is supplemented, the measuring precision is improved, the cost is reduced, the measurement is simple, and common farmers can conveniently check the map of the field.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
Example 1
A data fusion method based on agricultural map acquisition and presentation comprises the steps that a user starts a mobile phone application program and realizes initial positioning by using a mobile phone application program system; the measuring instrument is activated by the power supply of the mobile phone, and a positioning chip in the measuring instrument acquires a current positioning point through a signal antenna; the user selects a ground winding mode, and starts continuous positioning (the specific positioning implementation comprises an external hardware measuring instrument, mobile phone system positioning and Gade map positioning);
a user holds a measuring instrument connected with a mobile phone to move around the land at an interval of 0.1s, a mobile phone application program system obtains positioning results to call back, eliminates the first 3 returned results to carry out data filtering, passes through speed parameters in the results according to the returned positioning data, identifies the processing mode of the positioning data, and considers that the equipment stops moving when the speed is less than 0.1m/s for walking measurement and updates the last coordinate point data in a coordinate array result set to the coordinate point data; when the speed is more than 0.1m/s, the equipment is considered to be continuously measuring, the coordinate point data is added into a coordinate array result set, the last coordinate point data in the result set is subjected to distance operation with the coordinate point, and only when the distance is more than 0.5 meter and less than 50 meters, the coordinate point data is considered to be effective, and if the distance is effective, the positioning data is updated into the coordinate array result set;
and simultaneously drawing a pattern by using an interface provided by a map frame, drawing points when only one coordinate point exists in the coordinate array result set, drawing lines when only two coordinate points exist in the coordinate array result set, drawing surfaces when more than two coordinate points exist in the coordinate array result set, superposing the drawn land map on a GIS satellite base map, and displaying a measuring surface by combining the GIS satellite base map, wherein a user can check corresponding information of land through a mobile phone application program.
Example 2
A data fusion method based on agricultural map acquisition and presentation comprises the steps that a user starts a mobile phone application program and realizes initial positioning by using a mobile phone application program system; the measuring instrument is activated by the power supply of the mobile phone, and a positioning chip in the measuring instrument acquires a current positioning point through a signal antenna; the user selects a fixed point mode and starts continuous positioning (the specific positioning implementation comprises an external hardware measuring instrument, mobile phone system positioning and Gade map positioning);
a user holds a measuring instrument connected with a mobile phone to move around the land at intervals of 0.1s, a mobile phone application program system obtains positioning results to call back, the first 3 returned results are excluded to carry out data filtering, the user clicks a point collecting button, the mobile phone application program obtains a first coordinate point returned after clicking the point collecting button each time, distance operation is carried out on the last coordinate point data in a result set and the coordinate point, only when the distance is more than 0.5 meter and less than 50 meters, the coordinate point is considered to be effective, and if the distance is effective, the positioning data is updated into a coordinate array result set;
and simultaneously drawing a pattern by using an interface provided by a map frame, drawing points when only one coordinate point exists in the coordinate array result set, drawing lines when only two coordinate points exist in the coordinate array result set, drawing surfaces when more than two coordinate points exist in the coordinate array result set, superposing the drawn land map on a GIS satellite base map, and displaying a measuring surface by combining the GIS satellite base map, wherein a user can check corresponding information of land through a mobile phone application program.
Example 3
A data fusion method based on agricultural map acquisition and presentation comprises the steps that a user starts a mobile phone application program and realizes initial positioning by using a mobile phone application program system; the measuring instrument is activated by the power supply of the mobile phone, and a positioning chip in the measuring instrument acquires a current positioning point through a signal antenna; the user selects a fixed point mode and starts continuous positioning (the specific positioning implementation comprises an external hardware measuring instrument, mobile phone system positioning and Gade map positioning);
a user manually clicks a selected coordinate point, when the user clicks a base map of a mobile phone application program to select a point, a scene projection is arranged on the base map, the position of a field can be judged, the point is selected based on the position, coordinate data of the point is obtained, distance operation is carried out on the last coordinate point data in a result set and the coordinate point, only when the distance is more than 0.5 meter and less than 50 meters, the coordinate point is considered to be effective, and if the distance is effective, positioning data is updated to a coordinate array result set;
simultaneously, a pattern is drawn by using an interface provided by a map frame, a point is drawn when only one coordinate point exists in the coordinate array result set, only two coordinate points are drawn lines in the coordinate array result set, a surface is drawn when more than two coordinate points exist in the coordinate array result set, the drawn land map is superposed on the GIS satellite base map, the display of a measuring surface is carried out by combining the GIS satellite base map, and a user can check corresponding information of land through a mobile phone application program
In summary, the measuring instrument is activated by supplying power to the mobile phone, the positioning chip arranged in the measuring instrument acquires the current positioning point information through the signal antenna and transmits the current positioning point information to the application program through the connecting line, the application program clicks to measure to acquire the current positioning point, the positioning point data is drawn into a surface on the map and related attribute information is supplemented, the cost is low, the measurement is simple, and common farmers can conveniently check the map of the field; setting a plurality of measurement modes for a user to select, and replacing the GPS positioning data of the mobile phone with the positioning data of the access box to improve the precision; the setting of fixed point mode is convenient for the peasant household that the field area is great to use, and the function is various.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. A data fusion method based on agricultural map acquisition and presentation is characterized in that: the mobile phone application program is used for realizing initial positioning, the measuring instrument is activated by mobile phone power supply, a positioning chip inside the measuring instrument acquires a current positioning point through a signal antenna, a user selects a measuring mode, continuous positioning is started, land measurement is carried out, positioning data of the measuring instrument is acquired through the mobile phone application program and replaces the positioning data of the mobile phone, the mobile phone application program draws acquired point data into a surface and superposes the surface on a GIS satellite base map, and the surface is displayed in combination with the GIS satellite base map.
2. The data fusion method based on agricultural map acquisition and presentation according to claim 1, characterized in that: the cell phone application includes presentation of a survey mode option, presentation of a current location based on a base map, presentation of land perimeter and area data, and display of a survey land area on the base map.
3. The data fusion method based on agricultural map acquisition and presentation according to claim 2, characterized in that: the measurement mode includes a ground-surrounding mode and a fixed-point mode.
4. The data fusion method based on agricultural map acquisition and presentation according to claim 3, characterized in that: the specific measurement method of the ground winding mode comprises the following steps: the user selects the mode of winding the ground, the user holds the measuring apparatu of being connected with the cell-phone and moves around the ground, the interval same time, the system acquires the location result callback to data filtering, pass through the speed parameter in the result according to the location data that returns, the processing mode of this location data of sign, and judge whether the location data is effective, then effectively update the location data to coordinate array result and concentrate, utilize the interface that the map frame provided to draw the pattern simultaneously.
5. The data fusion method based on agricultural map acquisition and presentation according to claim 4, wherein: the time interval for the system to obtain the positioning result and call back is (0.1 s-5 s), and the standard for identifying the positioning data processing mode in the measurement process is as follows: for the walking measurement, when the speed is less than 0.1m/s, the equipment is considered to stop moving, and the last coordinate point data in the coordinate array result set is updated to the coordinate point data; when the speed is more than 0.1m/s, the equipment is considered to be continuously measuring, and the coordinate point data is added to the coordinate array result set.
6. The data fusion method based on agricultural map acquisition and presentation according to claim 5, characterized in that: the user selects a fixed point mode, the user holds a measuring instrument connected with a mobile phone to move around the land at the same time interval, the system obtains a positioning result and recalls the positioning result, data filtering is carried out, the user clicks a point collecting button, a mobile phone application program obtains a first coordinate point returned after the point collecting button is clicked each time, whether the coordinate point is effective data or not is judged, if the coordinate point is effective, the coordinate point is updated to a coordinate array result set, and meanwhile, an interface provided by a map frame is used for drawing a pattern.
7. The data fusion method based on agricultural map acquisition and presentation according to claim 6, wherein: the fixed-point mode simultaneously supports a user to manually click and select a coordinate point, when the user clicks a base map of a mobile phone application program to select the coordinate point, whether the coordinate point is effective data or not is judged, if the coordinate point is effective, the positioning data is updated to a coordinate array result set, and meanwhile, an interface provided by a map frame is used for drawing a map.
8. The agricultural map collection and presentation based data fusion method according to claim 7, wherein: the data filtering mode is to eliminate the first (3-5) returned results.
9. The agricultural map collection and presentation based data fusion method according to claim 7, wherein: the effective data is judged in the following mode: and performing distance operation on the last coordinate point data in the result set and the coordinate point, and considering that the distance is effective only when the distance is more than 0.5 meter and less than 50 meters.
10. The agricultural map collection and presentation based data fusion method according to claim 7, wherein: the method comprises the steps of drawing points when only one coordinate point exists in a coordinate array result set, drawing lines when only two coordinate points exist in the coordinate array result set, and drawing surfaces when more than two coordinate points exist in the coordinate array result set.
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