CN114371491A - System and method for realizing geographic information acquisition based on GPS function - Google Patents
System and method for realizing geographic information acquisition based on GPS function Download PDFInfo
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- CN114371491A CN114371491A CN202111575196.3A CN202111575196A CN114371491A CN 114371491 A CN114371491 A CN 114371491A CN 202111575196 A CN202111575196 A CN 202111575196A CN 114371491 A CN114371491 A CN 114371491A
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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
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Abstract
The application relates to a method for realizing geographic information acquisition based on a GPS function, which comprises the steps that an acquisition terminal selects a positioning acquisition mode or a drawing acquisition mode according to whether the acquisition terminal is in an acquired target position field or not, and then a marking function is started; acquiring target position information according to the selected mode, and displaying the number of the acquired target positions in real time; after the target position information is collected, judging whether the target position information needs to be collected again; if the target position information needs to be collected again, the collected target position information is cleared and collected again; storing the collected information of the target position; acquiring image information of a target land block by photographing or video recording; the system for realizing geographic information acquisition based on the GPS function can realize efficient and accurate acquisition of geographic information.
Description
Technical Field
The present application relates to the field of geographic information measurement, and in particular, to a system and method for implementing geographic information collection based on a GPS function.
Background
When the land measurement is carried out, manual measurement is often adopted, and the measurement is inconvenient. When the area of the land is large, the measurement efficiency is low. In addition, the field manual measurement can only measure the boundary size, area and the like of the land parcel, and cannot accurately acquire the geographical position information of the land parcel. If the complete information of the land parcel needs to be obtained, the position information of the land parcel needs to be additionally measured, the measurement efficiency is low, and the measurement is very inconvenient.
With respect to the related art described above, the inventor believes that the related art cannot achieve efficient and accurate acquisition of geographic information.
Disclosure of Invention
In a first aspect, a method for implementing geographic information collection based on a GPS function is provided, which includes the steps of:
the acquisition terminal selects a positioning acquisition mode or a drawing acquisition mode according to whether the acquisition terminal is on the site of the acquired target position, and then starts a marking function;
acquiring target position information according to the selected acquisition mode, and displaying the number of acquired target positions in real time;
after the target position information is collected, judging whether the target position information needs to be collected again;
if the target position information needs to be collected again, the collected target position information is cleared and collected again;
storing the collected information of the target position;
and acquiring image information of the target land block by photographing or video recording.
By adopting the technical scheme, the geographical position information of the target position is acquired by positioning and acquiring the site of the terminal to be acquired in the acquired target land. Drawing and collecting are that the collecting terminal selects a target position through a map carried by the collecting terminal and obtains the geographic position information of the target position. The acquisition terminal can display the number of the acquired target positions in real time when acquiring the target position information. Meanwhile, according to whether the acquired target position meets the requirement of the land measurement, the acquisition terminal can store the acquired target position information or delete the acquired target position information and acquire the target position information again. And finally, the acquisition terminal can acquire the image information of the target position, and the image information of the target position corresponds to the longitude and latitude coordinates one by one, so that the target position information is comprehensively and accurately measured.
Optionally, the acquiring the target position information according to the selected mode, and displaying the number of the acquired target positions in real time specifically include:
judging whether the selected acquisition mode is a positioning acquisition mode or a drawing acquisition mode;
if the target position is in the positioning acquisition mode, acquiring target position information according to the positioning acquisition mode, and displaying the number of acquired target positions in real time;
and if the target position information is in the drawing acquisition mode, acquiring the target position information according to the drawing acquisition mode, and displaying the number of the acquired target positions in real time.
By adopting the technical scheme, when the shape of the land is more standard and the area of the land is larger, the acquisition terminal can accurately measure the geographical position information of the target land by using the drawing acquisition mode, and the measurement is convenient. When the shape of the land is irregular and the area of the land is not large, the acquisition terminal adopts a positioning acquisition mode to accurately measure the geographical position information of the standard land. And a positioning acquisition mode or a drawing acquisition mode is selected according to the actual use condition, so that the accuracy and the efficiency of measurement are improved.
Optionally, the acquiring the target location information according to the positioning acquisition mode specifically includes:
selecting at least 3 target locations on the boundary of the collected target parcel at the site of the collected target parcel;
the method comprises the steps that an acquisition terminal moves along the boundary of a target land block and acquires the geographic position information of a target position through a GPS;
the acquisition terminal stores the acquired geographical position information of the target position;
the acquisition terminal displays the number of the target positions of which the geographical position information is acquired in real time;
the geographic position information is longitude and latitude coordinates of the acquired target position.
By adopting the technical scheme, when the positioning acquisition mode is adopted, the acquisition terminal moves along the boundary of the target land, and the acquisition terminal acquires the geographical position information of the target position at the selected target position, so that the on-site acquisition of the target position is realized, and the acquisition accuracy is higher. The acquisition terminal records and displays the number of the acquired target positions in real time, so that the acquisition progress of the target positions can be known in time.
Optionally, the collecting the target position information according to the drawing collection mode specifically includes:
opening a map, and setting the magnification factor of the map according to the number of target positions to be selected;
selecting a target location on a boundary of a target parcel;
and generating a target surface according to the selected target position.
By adopting the technical scheme, different numbers of target positions are required to be selected for target plots with different sizes and different shapes. When the number of the target positions is large, the map magnification needs to be set to be large, so that the target positions can be selected accurately.
Optionally, after the target position information is collected, it is determined whether to need to be collected again, specifically:
judging whether the position information of the single target is collected again;
in the acquisition process, after one target position is selected, whether the selected target position needs to be adjusted or not is judged;
if the selected target position needs to be adjusted, the target position is acquired again;
after a plurality of target positions are selected on the boundary of the target land, whether a target surface can be generated according to the collected target positions is judged;
and if the target surface can be generated, storing the generated target surface information, prompting that the current plot information is acquired, and acquiring the next plot information.
By adopting the technical scheme, in the process of collecting the target position, after one target position is collected, if the target position cannot meet the requirement, the target position information can be deleted and collected again, so that the accuracy of the collected target position information is ensured.
For a target plot, after the information of all target positions of the target plot is collected, target surface information is generated according to the collected information of the target plot and is stored, the target position information corresponding to the target plot can be deleted so as to prepare for collecting the information of the next target plot.
Optionally, the storing the collected information of the target position specifically includes:
and generating an shp file from the information of the target position.
Optionally, the obtaining of the image information of the target parcel by taking a picture or recording a video specifically includes:
starting a photographing function or a video recording function;
acquiring image information of a target position by photographing or recording, marking a corresponding name after the image information is acquired, and storing;
and deriving longitude and latitude coordinates corresponding to the image information.
By adopting the technical scheme, the image information of the target position is acquired through the photographing or video recording function, and the acquired image information corresponds to the longitude and latitude coordinates of the target position one by one, so that the accurate acquisition and matching of the image and the coordinate information of the target position are realized.
In a second aspect, a system for realizing geographic information acquisition based on a GPS function is provided, which includes a memory and a processor; the processor executes the program on the memory to implement the method for implementing the geographic information collection based on the GPS function according to the first aspect.
By adopting the technical scheme, the system for realizing the geographic information acquisition based on the GPS function can accurately acquire the longitude and latitude coordinate information of the target position, and realize the accurate acquisition of the geographic position information of the target land.
The system for realizing geographic information acquisition based on the GPS function can match the acquired image information of the target position with the latitude and longitude coordinate information, and realizes the comprehensive acquisition of the target position information.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the actual situation of the collected target land, the positioning collection or the drawing collection mode can be selected, the collection requirements under various conditions are met, and the practicability of the collection terminal is improved.
2. The acquisition terminal displays the number of the acquired target positions in real time while acquiring the information of the target positions, so that the acquisition progress of the target positions can be mastered timely and accurately, and the whole process of acquiring the information of the plot can be mastered conveniently.
3. In the collecting process, when a certain target position is not collected properly, the target position information can be deleted and collected again, so that the collecting accuracy of the target position information is improved, and the measuring accuracy of the target plot is improved.
4. When the target location is collected, the longitude and latitude coordinates of the target location on the boundary of the target land block are obtained by the collecting terminal through the GPS function, so that the geographical location information of the target land block is accurately obtained, and the accuracy of positioning the target land block is improved.
Drawings
Fig. 1 is a flowchart of a method for acquiring geographic information based on a GPS function according to embodiment 1.
Fig. 2 is a flowchart of a method for acquiring geographic information based on a GPS function according to embodiment 1.
Fig. 3 is a flowchart of a method for acquiring geographic information based on a GPS function according to embodiment 1.
Fig. 4 is a flowchart of a method for acquiring geographic information based on a GPS function according to embodiment 1.
Fig. 5 is a flowchart of a method for implementing geographic information collection based on a GPS function according to embodiment 1.
Fig. 6 is a flowchart of a method for implementing geographic information collection based on a GPS function according to embodiment 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-6 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Example 1
Referring to fig. 1, the present application provides a method for implementing geographic information acquisition based on a GPS function, including the steps of:
and step S1, the acquisition terminal selects a positioning acquisition mode or a drawing acquisition mode according to whether the acquisition terminal is in the site of the acquired target position or not, and then starts a marking function.
The content of the marker function marker is the number of target locations that have been acquired. Before the geographic information of the target land is collected, a positioning collection mode or a drawing collection mode can be selected according to whether the collection terminal collects the geographic information on the site of the target land. The positioning acquisition mode is suitable for the field of the acquisition terminal not in the acquired target plot, and the drawing acquisition mode is suitable for the field of the acquisition terminal in the acquired target plot.
Step S2, collecting the target position information according to the selected collection mode, and displaying the number of the collected target positions in real time, specifically:
step S21, determining whether the selected acquisition mode is the positioning acquisition mode or the mapping acquisition mode.
Referring to fig. 2, in step S22, when it is required to collect geographical information on the site of a collected target block, a location collection mode is selected, a target position is selected on the boundary of the target block, target position information is collected according to the location collection mode, and the number of the collected target positions is displayed in real time.
The method comprises the following steps of acquiring target position information according to a positioning acquisition mode, specifically:
referring to fig. 3, at least 3 target locations are selected on the boundary of the collected target parcel at the site of the collected target parcel at step S221.
And S222, the acquisition terminal moves along the boundary of the target land parcel and acquires the geographic position information of the target position through the GPS.
And step S223, the acquisition terminal stores the acquired geographical position information of the target position.
And S224, the acquisition terminal displays the number of the target positions of which the geographical position information has been acquired in real time.
The geographic position information is longitude and latitude coordinates of the acquired target position.
For example, when geographic information of a rectangular land parcel needs to be collected on site, four included angles of the rectangular land parcel are selected as target positions. The method comprises the steps that a positioning collection mode is selected by a collection terminal, the collection terminal moves along the boundary of a rectangular land parcel, after the collection terminal moves to a selected target position, the GPS function of the collection terminal is started to collect longitude and latitude coordinates of the target position, and meanwhile, the collected longitude and latitude coordinates of the target position are stored by the collection terminal. And the acquisition terminal continues to move along the boundary of the acquired rectangular land parcel, and after the acquisition terminal moves to the next acquired target position, the latitude and longitude coordinates of the target position are acquired again and stored until the geographical position information of all the selected target positions is acquired.
In the process of collecting the geographical position information of the target position by the collecting terminal, when the geographical position information of one target position is collected, the collecting terminal displays the number of the collected target positions in real time for the current target plot.
And step S23, when the geographical position information of the target land is remotely collected, the collection terminal selects a drawing collection mode, collects the target position information according to the drawing collection mode, and displays the number of the collected target positions in real time, which is as follows.
Referring to fig. 4, in step S231, a map is opened on the acquisition terminal, and a magnification factor of the map is set according to the number of target positions that need to be selected.
The map magnification is set to be larger, the target land blocks are displayed on the acquisition terminal to be larger, so that more target positions can be selected on the boundary of the acquired target land blocks conveniently, and the more the number of the selected target positions is, the clearer the boundary of the target land blocks is limited, and the target land blocks can be selected on the map more accurately. The boundaries of the target parcel are constituted by connecting lines between the selected target locations,
the greater the number of target locations selected, the more accurate the boundaries of the target parcel.
In step S232, a target position is selected on the boundary of the target land block.
Firstly, the number of target positions to be selected and the arrangement mode of the target positions are determined according to the size and the shape of the target land parcel. Then, sequentially selecting target positions along the boundary of the target land parcel, clicking and selecting one target position at the boundary of the target land parcel displayed on the map, namely determining a two-dimensional coordinate of the target position on the map, calling arcgis by the acquisition terminal to convert the two-dimensional coordinate of the target position on the map into a longitude and latitude coordinate, selecting the target position and determining the geographic position information of the target position. For example, when the target parcel is an irregularly shaped polygon, each angle of the polygon is selected as the target position.
In step S233, a target surface is generated according to the selected target position.
Within the two-dimensional plane, there is one two-dimensional coordinate for each target location. A section of the boundary of the target parcel is determined by two target positions adjacent on the boundary of the target parcel. All boundaries are connected to form a complete boundary of the target parcel. The geographical location information of the complete boundary-defined area is the geographical location information of the target parcel. The latitude and longitude coordinates of all the target locations define the geographic location information of the target parcel.
For example, the longitude and latitude coordinates of the five target locations are:
a first target position (113.77160413687898, 34.767876105277224),
a second target position (113.77274675791932, 34.768153727127164),
a third target position (113.77309008067323, 34.76718865667806),
a fourth target position (113.77211912100984, 34.7680347464479),
a fifth target position (113.77190990870668, 34.767069674608535).
The acquisition terminal calls the arcgis, obtains the longitude and latitude coordinates of the target position according to the two-dimensional coordinates of the selected target position on the map, and determines the geographic position information of the target region according to the longitude and latitude coordinates of the plurality of target positions.
Referring to fig. 5, in step S3, after the target position information is collected, it is determined whether or not re-collection is necessary.
Step S31, judging whether the single target position information is collected again;
step S32, in the collecting process, after selecting a target position, judging whether the selected target position needs to be adjusted.
And step S33, if the target position which is selected needs to be adjusted, the acquisition is carried out again.
First, it is determined whether the selected target location is on the boundary of the target parcel, and if the target location is not on the boundary of the target parcel, the target location needs to be reselected.
For example, in the positioning acquisition mode, when the selected target position is not on the boundary of the target plot, the acquisition terminal deletes the geographical position information of the target position which is acquired and needs to be adjusted. The target location is reselected on the boundary of the target parcel.
Secondly, for a determined plot, for a determined map magnification, the number of target positions to be selected and the linear distance between two target positions are determined according to the accuracy of the plot information to be achieved. The links between the target locations form the boundaries of the target parcel, requiring all of the links to fully encompass the target parcel. If a link between one or more of the target locations does not include a target parcel, then the link between the target locations needs to be reselected.
For example, the boundaries of the target parcel are irregularly shaped polygons. When the magnification of the map is small, after two target positions of the target parcel are selected, a straight line segment between the two target positions passes through the target parcel, resulting in the target parcel not being completely contained within the area defined by the target positions.
Therefore, the magnification of the map needs to be adjusted according to the shape and size of the target parcel, and for this example, the magnification of the map should be increased so that the boundary of the target parcel is clearer. And if the boundary of the target land is a polygon, sequentially selecting target positions at each included angle of the polygon, and limiting the range of the target land on the map according to the selected target positions. And finally, accurately reflecting the geographical position information of the target land parcel according to the selected target position.
And step S34, after selecting a plurality of target positions on the boundary of the target land, judging whether a target surface can be generated according to the acquired target positions.
First, the number of target positions required to be selected is 3 or more. The line between the two target locations defines a boundary of the target parcel. At least 3 links can make up a complete target plot. When the number of target positions is less than 3, the generation target surface cannot be generated.
Second, the number of target locations to be selected is determined based on the shape, size, and definition of the boundaries of the target parcel.
For example, when the target parcel is rectangular, only four angles of the target parcel need be selected. When the target plot is an irregular polygon, the map needs to be enlarged, and the target plot can be completely limited by sequentially selecting each included angle of the polygon.
And step S35, if the target surface can be generated, the generated target surface information is saved, the current collection of the plot information is prompted to be completed, and the collection of the next plot information is carried out. The acquisition terminal calls arcgis and generates a target surface from the coordinates of the target position that have been acquired.
And storing the geographical position information of the currently acquired target land block. When the geographical location information of the next target plot needs to be collected, the re-collection function may be turned on to collect the geographical location information of the next target plot.
And step S4, if re-acquisition is needed, clearing the acquired target position information and re-acquiring. Specifically, whether or not the target position information needs to be collected again is determined in step S3.
And step S5, storing the collected target position information, specifically, generating an shp file from the geographic information of the target position.
The acquisition terminal calls arcgis and generates a target surface from the coordinates of the target position that have been acquired. The acquisition terminal stores the information of the target surface as an shp file, and the longitude and latitude coordinates of each target position for limiting the target block are stored in the shp file.
Referring to fig. 6, in step S6, the collecting terminal obtains the image information of the target parcel by taking a picture or recording a video, specifically:
and step S61, the collection terminal starts a photographing function or a video recording function.
And step S62, moving the acquisition terminal along the boundary of the target land on the site of the acquired target land, acquiring the image information of the target position by photographing or recording after the acquisition terminal moves to the target position, labeling the corresponding name after the image information is acquired, and storing.
And step S63, the acquisition terminal derives longitude and latitude coordinates corresponding to the image information.
The acquisition terminal can export the image information after finishing acquisition and storage of the image information of the target position, and each image information corresponds to the longitude and latitude coordinate of one target position during storage, so that the image and the longitude and latitude coordinate of the target land are accurately matched, and accurate acquisition of the geographic information of the target land is realized.
And step S7, otherwise, not re-collecting.
Example 2
The embodiment provides a system for realizing geographic information acquisition based on a GPS function, which comprises a memory and a processor. The processor executes the program on the memory to realize the method for realizing the geographic information acquisition based on the GPS function in the embodiment 1.
The system for realizing geographic information acquisition based on the GPS function realizes accurate acquisition of geographic position information of a target land block by executing the method of the embodiment 1, and accurately matches longitude and latitude coordinates of the target land block with image information.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (8)
1. A method for realizing geographic information acquisition based on GPS function is characterized by comprising the following steps:
the acquisition terminal selects a positioning acquisition mode or a drawing acquisition mode according to whether the acquisition terminal is on the site of the acquired target position, and then starts a marking function;
acquiring target position information according to the selected acquisition mode, and displaying the number of acquired target positions in real time;
after the target position information is collected, judging whether the target position information needs to be collected again;
if the target position information needs to be collected again, the collected target position information is cleared and collected again;
storing the collected information of the target position;
and acquiring image information of the target land block by photographing or video recording.
2. The method for realizing geographic information collection based on the GPS function according to claim 1, wherein the collecting target location information according to the selected mode and displaying the number of the collected target locations in real time specifically includes:
judging whether the selected acquisition mode is a positioning acquisition mode or a drawing acquisition mode;
if the target position is in the positioning acquisition mode, acquiring target position information according to the positioning acquisition mode, and displaying the number of acquired target positions in real time;
and if the target position information is in the drawing acquisition mode, acquiring the target position information according to the drawing acquisition mode, and displaying the number of the acquired target positions in real time.
3. The method for realizing geographic information collection based on the GPS function according to claim 2, wherein the collecting of the target location information according to the positioning collection mode specifically includes:
selecting at least 3 target locations on the boundary of the collected target parcel at the site of the collected target parcel;
the method comprises the steps that an acquisition terminal moves along the boundary of a target land block and acquires the geographic position information of a target position through a GPS;
the acquisition terminal stores the acquired geographical position information of the target position;
the acquisition terminal displays the number of the target positions of which the geographical position information is acquired in real time;
the geographic position information is longitude and latitude coordinates of the acquired target position.
4. The method for realizing geographic information collection based on the GPS function according to claim 2, wherein the collecting of the target position information in the drawing collection mode specifically includes:
opening a map, and setting the magnification factor of the map according to the number of target positions to be selected;
selecting a target location on a boundary of a target parcel;
and generating a target surface according to the selected target position.
5. The method for realizing geographic information collection based on the GPS function according to claim 4, wherein after the target position information is collected, whether the target position information needs to be collected again is judged, specifically:
judging whether the position information of the single target is collected again;
in the acquisition process, after one target position is selected, whether the selected target position needs to be adjusted or not is judged;
if the selected target position needs to be adjusted, the target position is acquired again;
after a plurality of target positions are selected on the boundary of the target land, whether a target surface can be generated according to the collected target positions is judged;
and if the target surface can be generated, storing the generated target surface information, prompting that the current plot information is acquired, and acquiring the next plot information.
6. The method for realizing geographic information collection based on the GPS function according to claim 1, wherein the storing the collected information of the target location specifically includes:
and generating an shp file from the geographic information of the target position.
7. The method for realizing geographic information collection based on the GPS function according to claim 1, wherein the obtaining of the image information of the target parcel by photographing or video recording specifically includes:
starting a photographing function or a video recording function;
acquiring image information of a target position by photographing or recording, marking a corresponding name after the image information is acquired, and storing;
and deriving longitude and latitude coordinates corresponding to the image information.
8. A system for realizing geographic information acquisition based on GPS function is characterized by comprising a memory and a processor; the processor executes the program on the memory to implement the method for realizing the acquisition of the geographic information based on the GPS function according to any one of claims 1 to 7.
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