CN110889222B - Real estate mapping method and system based on graphic method and analytic method - Google Patents
Real estate mapping method and system based on graphic method and analytic method Download PDFInfo
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Abstract
The invention discloses a real estate mapping method and system based on a graphic method and an analytic method, belonging to the technical field of mapping, and comprising the following steps: s1, creating a real estate mapping project and acquiring basic information; s2, drawing according to a preset graph, and processing the drawn graph through segmentation or combination to generate an initial external block diagram, a real estate layering household diagram and an initial weight boundary diagram; s3, obtaining accurate positioning through RTK, carrying out translation and rotation drawing falling on an initial external block diagram according to remote sensing image data, obtaining an initial position of real property through an analytic method, obtaining coordinates of a boundary point by matching with a drawing method, generating a boundary point coordinate string, outputting a coordinate set, and generating a land map with coordinate information according to the boundary point; and S4, generating a map to be confirmed and basic information to be confirmed according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land map. The invention can draw related drawings according to the measured data in real time, and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of mapping, in particular to a real estate mapping method and system based on a graphic method and an analytic method.
Background
With the continuous construction of countries, real estate rights are becoming more and more accurate. In the past, the real estate right-ensuring personnel need to go to the gate to map and collect related data, then the related data and the sketch are handed to the personnel specially responsible for drawing the real estate parcel map and the real estate layering household map for drawing, and then the related rights personnel confirm the related drawing map. However, the number of people involved is relatively large, the work period required for acquisition and drawing is relatively long, and the work efficiency is relatively low.
In addition, in the process of drawing by the staff, auxiliary data is required to be searched for to improve drawing accuracy due to the interval between the drawing and the measuring time, and the drawing process is complex, so that the drawing process is relatively time-consuming. For related real estate rights, the real estate rights need to appear once when mapping real estate, and need to appear again when confirming, thus being easy to cause discontent of people. Traditional mapping process is complicated, and mapping cannot be performed immediately, and after mapping, professional software is required to process mapping results, and mapping is performed manually. The measured graph needs to be drawn by manual CAD again, so that a great deal of time and energy are consumed, and the working efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects that time and labor are required to be consumed in completing mapping in the prior art, and the real estate mapping method and system based on a mapping method and an analytic method provided by the invention can be used for drawing related drawings according to measured data in real time, so that the working efficiency is improved.
In order to achieve the above object, the present invention provides the following technical solutions:
in one aspect, the invention also provides a real estate mapping method based on a graphic method and an analytic method, and the method specifically comprises the following steps:
s1, creating a real estate mapping project and acquiring basic information; s2, drawing according to a preset graph, and processing the drawn preset graph through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial equity boundary diagram; s3, obtaining accurate positioning through RTK, carrying out translation and rotation image falling on the initial external block diagram according to remote sensing image data, obtaining an initial position of the real property through an analytic method, obtaining coordinates of a boundary point by matching with a graphic method, generating a coordinate string of the boundary point, outputting a coordinate set, and generating a map with coordinate information according to the boundary point; s4, generating a to-be-confirmed measuring drawing and to-be-confirmed basic information according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land parcel map, wherein the to-be-confirmed basic information is required materials for registering applications of the real estate and comprises a site survey table, a land parcel map, an application table, a rights and interests questionnaire and the boundary point coordinate string.
Further, the step of S1 specifically includes: s11, acquiring the basic information of the rights of the real estate; s12, collecting basic information of the real estate, wherein the basic information of the real estate comprises whether the real estate is located, is first registered, is in a building structure, is in a property, is in an approved land area, is in an approved building area, is in floor information, and is in a rural house ownership license number.
Preferably, the step of S1 further comprises: s13, acquiring a photo of the real estate and drawing a sketch; s14, acquiring indoor and outdoor measured values of the real estate acquired by the ranging equipment.
Further, the step of S2 specifically includes: s21, selecting basic graph combinations or manually drawing basic contours according to the basic contours of the real estate, and generating an initial external block diagram according to the obtained real estate measurement results; s22, drawing the initial external block diagram through segmentation and combination according to the structure and the functional partition of the real estate, and generating a real estate sketch; s23, marking wall genus and structure on the real estate sketch, and carrying out layering treatment on the real estate sketch to generate a real estate layering household-separating drawing; s24, generating a boundary point according to the peripheral inflection point of the initial external block diagram, and marking the four-to-wall relationship of the real property to generate an initial weight boundary line diagram.
Further, the step of S3 specifically includes: s31, acquiring a single-point position by adopting RTK, acquiring a real estate direction by combining with a gyroscope, and performing RTK calculation by utilizing a GNSS receiver and a thousand-seeking or CORS network to obtain an accurate positioning point; s32, overlapping the boundary point and the real estate sketch generated in the process of drawing the religion map with the received positioning points, and determining the orientation according to the direction shown by the compass; s33, moving the GNSS receiver to a base point, and judging whether fine adjustment is needed or not through remote sensing image data; s34, obtaining the initial position of the real estate by an analysis method, obtaining coordinates of the boundary points by matching with a drawing method, and generating a coordinate string of the boundary points.
Preferably, the step of S34 specifically includes: s341, converting the base point into corresponding base point space projection coordinates according to the longitude and latitude coordinates returned after the RTK is calculated, and placing the base point space projection coordinates in the center of a screen; s342, placing the base point set in the drawing at the central position of the screen, obtaining the rotation angle, and calculating the radian of the included angle, wherein the radian of the included angle passes through the formula
Obtaining, wherein θ is the included angle radian and rotation is the rotation angle; s343, calculating the pixel distance between the base point and the adjacent point through the screen pixel coordinates of the base point, wherein the pixel distance is calculated by the formula +.>
The method comprises the steps of obtaining, wherein lpx is a pixel distance between two points, J1x is an abscissa of a base point, J1y is an ordinate of a base point, J2x is an abscissa of an adjacent point, and J2y is an ordinate of the adjacent point; s344, calculating the actual distance from the base point to the adjacent point according to the scale and the pixel point of the screen and the actual distance, wherein the actual distance is +.>
The method comprises the steps of obtaining, wherein l is the actual distance required to be calculated, lpx is the pixel distance, scale is the scale of the screen and the actual distance, and xdpi is the pixel point; s345, calculating the space projection coordinates of the adjacent points according to the actual distance, the radian of the included angle between the base point and the space projection coordinates of the base point, wherein the space projection coordinates of the adjacent points are obtained by a formula (l x cos theta+p1. X, l x sin theta+p1. Y), wherein theta is the radian of the included angle, p1.X is the abscissa of the space projection coordinates of the base point and p1.Y is the ordinate of the space projection of the base point.
Further, the method also comprises a step S5 of outputting the map to be confirmed and the basic information to be confirmed.
Further, the method further includes step S6, if the information confirmed by the right person is received, generating format data required by the real estate registration system from the map to be confirmed and the basic information to be confirmed, and importing the format data into butt joint with the real estate registration system under the condition of network connection.
On the other hand, the invention also provides a real estate mapping system, which comprises an intelligent terminal, a ranging device and an RTK, wherein the intelligent terminal, the ranging device and the RTK are connected through a communication network; the intelligent terminal comprises the following modules: the information acquisition module is used for creating real estate mapping engineering and acquiring basic information; the graphic mapping module is connected with the distance measuring equipment and used for drawing according to a preset graphic, and processing the drawn preset graphic through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial equity boundary diagram; the position confirmation module is connected with the RTK, and is used for obtaining accurate positioning through the RTK, carrying out translation and rotation image falling on the initial external block diagram according to remote sensing image data, obtaining the initial position of the real property through an analysis method, obtaining coordinates of a boundary point by matching with a graphic method, generating a boundary point coordinate string, outputting a coordinate set, and generating a block map with coordinate information according to the boundary point; the information generation module is used for generating a to-be-confirmed survey chart and to-be-confirmed basic information according to the basic information of the real estate, the layered household chart of the real estate, the boundary point coordinate string and the land parcel map, wherein the to-be-confirmed basic information is required materials for registering applications of the real estate and comprises a site survey table, a land parcel plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
Further, the system also comprises a portable printing device, wherein the portable printing device is connected with an output printing module of the intelligent terminal, and the output printing module is used for outputting the to-be-confirmed map and the to-be-confirmed basic information.
Compared with the prior art, the invention has the beneficial effects that:
the real estate mapping method and system based on the graphic method and the analytic method provided by the invention solve the technical problems that the mapping process is complex and the graphic cannot be immediately formed in the prior art, and can realize convenient office. The map and the house property layering household map are integrally drawn and mapped, the automatic mapping table can print work results on site, the office workers can verify mapping results on site, signature and confirmation are carried out, and the traditional mapping registration mode is changed. Centimeter-level positioning can be realized by adopting RTK, accurate coordinates can be obtained by a graphic method, and the traditional manual mapping efficiency is improved. The format data required by the real estate registration system can be automatically generated, and the real estate registration system can be imported and docked with the real estate registration system after being connected with the network.
Drawings
FIG. 1 is a schematic flow chart of a real estate drawing method based on a graphic method and an analytic method;
FIG. 2 is a schematic flow chart of step S2 in the method of the present invention;
FIG. 3 is a schematic diagram of a basic graphic assembly according to the present invention;
fig. 4 is a real estate sketch obtained by step S22;
FIG. 5 is a real estate rights demarcation diagram obtained through step S24;
FIG. 6 is a schematic flow chart of a real estate mapping method based on a diagramming method and an parsing method according to the present invention;
FIG. 7 is a schematic flow chart of a real estate mapping method based on a diagramming method and an parsing method according to the present invention;
FIG. 8 is a schematic diagram of a real estate mapping system based on a diagramming method and an parsing method according to the present invention;
FIG. 9 is a schematic diagram of another structure of a real estate mapping system based on a graphic method and an analytical method according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples and embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
The invention relates to a real estate mapping method and a real estate mapping system based on a graphic method and an analytic method, which can be suitable for mapping work of rural houses and other building drawing and mapping related works, and the specific implementation modes are as follows:
FIG. 1 is a flow diagram illustrating a real estate mapping method based on a diagramming method and an parsing method according to an exemplary embodiment. Referring to fig. 1, the real estate mapping method based on the graphic method and the analytic method in the present embodiment includes the following steps:
and step S1, creating a real estate mapping project and acquiring basic information. Real estate mapping projects are created for one-to-one correspondence of data. The specific operation steps are as follows:
and S11, acquiring the basic information of the rights of the real estate.
The acquired basic information of the rights of the real estate can be acquired through OCR scanning identity cards or through near field communication identification such as NFC, and also can be manually input by acquiring staff. The basic information of the rights is shown as the content on the identity card, including but not limited to collecting the information of the name, address, sex, ethnicity, identity card number, date of birth, date of issue, and validity period of the certificate of the rights.
And step S12, collecting basic information of real estate.
Basic information of real estate includes, but is not limited to, sitting, whether first registration is made, house structure, nature, land area approved, building area approved, floor information, country house ownership license number, etc.
Preferably, step S1 further comprises the steps of:
step S13, obtaining a photo of the real estate and drawing a sketch, wherein the photo of the real estate and the sketch are convenient to view for subsequent work.
Step S14, acquiring real estate indoor and outdoor measurement values acquired by the ranging apparatus.
And S2, drawing according to the preset graph, and processing the drawn preset graph through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial ownership boundary diagram. And drawing a main body outline of the real estate by presetting a pattern combination and sliding to draw an external outline, and drawing a preliminary sketch of the real estate by adjusting the size of the corresponding edge. And refining the internal structure by a segmentation and combination mode, and marking structural information to obtain the real estate sketch of the object to be mapped. And (5) generating a real estate layering household-separating picture through floor selection. As shown in fig. 2, the specific operation steps are as follows:
and S21, selecting basic graph combinations or manually drawing basic contours according to the basic contours of the real estate, and generating an initial external block diagram according to the obtained real estate measurement results.
And carrying out preliminary drawing on the real property through the obtained basic information. The basic outline can be obtained through drawing by a basic graph combination preset in a tool library or through manual drawing. And adjusting the size of the obtained basic contour according to the obtained real estate measurement result. The real estate measurement result is generated by reading data of the ranging equipment, and when a corresponding area is selected, the corresponding size value is acquired by the ranging equipment, so that an initial external block diagram is obtained. The real estate measurement result may also be obtained by manual input by the worker through the data collected by the ranging apparatus of step S14. For example, the plane of the appearance of the house is formed by a square and a plurality of rectangles with inconsistent sizes, and the house is drawn by corresponding size setting through the square module and the rectangle module. Generally, the basic structures of houses are mostly similar, so that the houses can be directly drawn out through basic graphic combinations, and the redrawing of workers is avoided. If the desired drawn house shape is not present in the base pattern combination, then manual drawing may be employed.
The basic graphic combination is a preset common graphic and an image drawn in advance by a user according to the requirement of the user. For images of real estate houses, most are similar. Such as rectangular, semi-circular, and some common house type structures. When the basic pattern combination is shown in fig. 3 and the house is formed by connecting a plurality of rectangles and semi-circles, the drawing of the peripheral outline for drawing the real property is realized by dragging the patterns of the rectangles and the semi-circles.
Preferably, when a worker goes to a folk town with a unique style to conduct mapping, some fixed structures are encountered, most real estate rights needing to be collected are houses with the structures, then the patterns with the structures are stored in a custom library in advance, the custom patterns can be directly dragged when the worker needs to draw, the time consumed by repeated labor of the worker is reduced, and the working efficiency is improved.
And S22, accurately drawing the initial external block diagram by segmentation and combination according to the structure and the functional partition of the real estate, and generating a real estate sketch.
The graph obtained through the steps is a preliminary outer frame graph, has only rough outline, but has no specific internal structure, at the moment, the preliminary outer frame graph is required to be divided according to the real estate structure and the function, the places needing to be divided are divided, and the places where the rectangles are put together are combined. Because of the different structures and properties of the premises, some graphics need to be merged when handled, some need to be split, and some need to be split as well as merged. Such as the need to separate areas of the graphic bedroom, balcony, pigsty, etc. By the drawing in this step, a real estate sketch after the accurate drawing of the partition can be obtained as shown in fig. 4.
And S23, marking wall genus and structure on the real estate sketch, and carrying out layering treatment on the real estate sketch to generate a real estate layering household-separating drawing.
And (3) layering the real estate sketch, selecting a structure corresponding to each layer, and generating a real estate layering household-separating picture. After the real estate sketch is drawn, the real estate sketch is marked, and the marking of the internal property of the house and the external property of the house is included. The real estate structure is marked, and marked content includes but is not limited to mixing, brick-concrete, tile, brick-wood, steel-concrete and other structures. The corresponding floors are selected, the real estate layers are marked according to the layers to which the map belongs, the marking content is a first layer, a second layer and the like. For example, a first floor is adjusted according to the structure of each room, other floors are properly adjusted, and finally a real estate layering household map is generated.
And step S24, generating a boundary point according to the peripheral inflection point of the initial external block diagram, and marking the four-to-wall relationship of the real property to generate an initial weight boundary line diagram.
Boundary points are generated according to peripheral inflection points of the real estate sketch, as shown in fig. 5, one peripheral point of a house is taken as a base point J1, boundary points J2-J6 are generated clockwise, and connecting lines of the boundary points form a ground boundary. Labeling real estate walls includes, but is not limited to, self-wall, co-wall, borrowing; labeling real estate four to four includes, but is not limited to, dams, sidewalks, gutters, roadways, woodlands, cultivated lands, and corresponding adjacent real estate title names.
By implementing the drawing method, drawing can be rapidly completed according to the measured data, time and cost are saved, related drawings can be drawn according to the measured data in real time, multiple layers of drawings can be drawn, and working efficiency is improved.
And S3, obtaining accurate positioning through RTK, carrying out translation and rotation mapping on the initial external block diagram according to remote sensing image data, obtaining the initial position of the real estate through an analysis method, obtaining coordinates of the boundary points by matching with a mapping method, generating coordinate strings of the boundary points, outputting a coordinate set, and generating a land map with coordinate information according to the boundary points.
Step S31, RTK is adopted to obtain a single-point position, a gyroscope is combined to obtain a real estate direction, and a GNSS receiver is utilized to coordinate with a thousands of seeks or CORS network to carry out RTK calculation to obtain an accurate positioning point. Through the step, accurate positioning can be obtained.
And step S32, overlapping the boundary point and the real estate sketch generated in the process of drawing the religion map with the received positioning points, and determining the orientation according to the direction shown by the compass. This step is to confirm the location point and orientation.
In step S33, the GNSS receiver is moved to the base point, and whether fine adjustment is needed is determined by the remote sensing image data.
And step S34, obtaining the initial position of the real estate by an analysis method, obtaining the coordinates of the boundary points by matching with a drawing method, and generating a coordinate string of the boundary points.
The step S34 specifically includes the following steps:
step S341, converting the base point J1 into a corresponding base point space projection coordinate P1 according to the longitude and latitude coordinates returned after the RTK is resolved, and placing the base point space projection coordinate P1 in the center of the screen.
The base point J1 is converted into a corresponding spatial projection coordinate p1 by using a geometry engine. Project () function in ArcGIS Runtime SDK for Android according to the longitude and latitude coordinates returned after the RTK is resolved, and the point is placed at the center of the screen.
Step S342, placing the base point J1 set in the drawing at the central position of the screen, obtaining the rotation angle, calculating the radian of the included angle, and making the radian of the included angle pass through the formula
And obtaining, wherein θ is the included angle radian and rotation is the rotation angle. />
Step S343, calculating the pixel distance between the base point J1 and the adjacent point J2 according to the pixel coordinates of the screen, wherein the pixel distance is calculated according to the formula
Obtained is that lpx is the pixel distance between two points, the abscissa with J1x as the base point, the ordinate with J1y as the base point, the abscissa with J2x as the adjacent point, and the ordinate with J2y as the adjacent point.
Step S344, calculating the actual distance from the base point J1 to the adjacent point J2 according to the scale and the pixel point of the screen and the actual distance, wherein the actual distance is calculated by the formula
Obtained, wherein l is the actual distance to be calculated, lpx is the pixel distance, scale is the screen and realThe scale bar of the inter-distance, xdpi, is the pixel point. The method comprises the steps of obtaining pixel points xdpi of a screen through an Android function getdisplayMetrics (). Xdpi.
In step S345, the spatial projection coordinates of the adjacent points are calculated by the actual distance, the radian of the included angle between the base point J1 and the base point, and the spatial projection coordinates of the adjacent points are obtained by the formula (i×cos θ+p1.X, i×sin θ+p1. Y), wherein θ is the radian of the included angle, p1.X is the abscissa of the spatial projection coordinates of the base point, and p1.Y is the ordinate of the spatial projection of the base point.
And S4, generating a to-be-confirmed measuring drawing and to-be-confirmed basic information according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land map, wherein the to-be-confirmed basic information is required materials for the real estate registration application, and comprises a site survey table, a land plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
The map to be confirmed is the image obtained through the steps, and the basic information to be confirmed comprises, but is not limited to, basic information of a real estate right person, basic information of a house and mapping information. The basic information of the real estate rights man is acquired in the step S1, including but not limited to the name and the ID card number of the rights man; basic information of a house includes, but is not limited to, a house seating position, a building area, a land area, a floor number, a house use, a house structure and whether the house is registered for the first time, wherein the house use can be a house or other uses, and the house structure can be brick-concrete, brick-tile or reinforced concrete and the like; the mapping information includes the acquired site survey form, site photograph, religious house map, coordinate file, and the like.
The real estate mapping method based on the graphic method and the analytic method solves the technical problems that the mapping process is complex and the graphic cannot be immediately formed in the prior art, and can realize convenient office. Centimeter-level positioning can be realized through RTK, and traditional manual mapping efficiency is improved. The traditional mapping mode is changed, and the map is integrally drawn and formed by layering and separating the family map of the land and the property.
FIG. 6 is a flow diagram illustrating a real estate mapping method based on a diagramming method and an parsing method according to an exemplary embodiment. Referring to fig. 6, the real estate mapping method based on the graphic method and the analytic method of the present embodiment includes the following steps:
and step S1, creating a real estate mapping project and acquiring basic information.
And S2, drawing according to the preset graph, and processing the drawn preset graph through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial ownership boundary diagram.
And S3, obtaining accurate positioning through RTK, carrying out translation and rotation mapping on the initial external block diagram according to remote sensing image data, obtaining the initial position of the real estate through an analysis method, obtaining coordinates of the boundary points by matching with a mapping method, generating coordinate strings of the boundary points, outputting a coordinate set, and generating a land map with coordinate information according to the boundary points.
And S4, generating a to-be-confirmed measuring drawing and to-be-confirmed basic information according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land map, wherein the to-be-confirmed basic information is required materials for the real estate registration application, and comprises a site survey table, a land plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
And S5, outputting the to-be-confirmed map and the to-be-confirmed basic information.
Since the steps S1-S4 are described in detail in the above embodiments, they are not described here again. For step S5, after drawing the graphics, the portable printing device may be directly connected to output related files on the spot, and the right person may confirm the information to be confirmed on the spot. The automatic mapping table can print work results on site, and the office masses can verify mapping results on site and perform signature confirmation, so that the traditional mapping registration mode is changed.
FIG. 7 is a flow diagram illustrating a real estate mapping method based on a diagramming method and an parsing method according to an exemplary embodiment. Referring to fig. 7, the real estate mapping method based on the graphic method and the analytic method in the present embodiment includes the following steps:
and step S1, creating a real estate mapping project and acquiring basic information.
And S2, drawing according to the preset graph, and processing the drawn preset graph through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial ownership boundary diagram.
And S3, obtaining accurate positioning through RTK, carrying out translation and rotation mapping on the initial external block diagram according to remote sensing image data, obtaining the initial position of the real estate through an analysis method, obtaining coordinates of the boundary points by matching with a mapping method, generating coordinate strings of the boundary points, outputting a coordinate set, and generating a land map with coordinate information according to the boundary points.
And S4, generating a to-be-confirmed measuring drawing and to-be-confirmed basic information according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land map, wherein the to-be-confirmed basic information is required materials for the real estate registration application, and comprises a site survey table, a land plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
And S5, outputting the to-be-confirmed map and the to-be-confirmed basic information.
And S6, if the information confirmed by the right person is received, generating format data required by the real estate registration system by the to-be-confirmed map and the to-be-confirmed basic information, and importing and interfacing with the real estate registration system under the condition of network connection. Through the steps, the related charts of the real property can be obtained, the related charts are converted into formats required by registration, and under the condition of network communication of the intelligent terminal, the charts obtained by mapping can be directly uploaded to the real property registration system.
Since the steps S1-S5 are described in detail in the above embodiments, they are not described here again. In step S6, after the right confirms the information to be confirmed, the file format is converted to generate format data required by the real estate registration system. Under the condition of network communication, the file docking can be realized, and related files can be directly submitted.
The real estate mapping method based on the graphic method and the analytic method solves the technical problems that the mapping process is complex and the graphic cannot be immediately formed in the prior art, and can realize convenient office. Centimeter-level positioning can be realized through RTK, and traditional manual mapping efficiency is improved. The traditional mapping mode is changed, and the map is integrally drawn and formed by layering and separating the family map of the land and the property. The automatic mapping table can print work results on site, and the office masses can verify mapping results on site and perform signature confirmation, so that the traditional mapping registration mode is changed. The format data required by the real estate registration system can be automatically generated, and the real estate registration system can be imported and docked with the real estate registration system after being connected with the network.
Besides the real estate drawing method based on the graphic method and the analytic method, the invention also provides a real estate drawing system based on the graphic method and the analytic method. As shown in fig. 8, the present system includes a smart terminal 10, a ranging apparatus 20, and an RTK30 using any of the above methods, the smart terminal 10 and the ranging apparatus 20 and the RTK30 being connected through a communication network; the intelligent terminal 10 includes the following modules:
the information acquisition module 11 is used for creating a real estate mapping project and acquiring basic information;
the graphic mapping module 12 is connected with the distance measuring equipment 20, and is used for drawing according to a preset graphic, and processing the drawn preset graphic through segmentation and combination to generate an initial external block diagram, a real estate layering household-separating diagram and an initial ownership boundary diagram;
the position confirmation module 13 is connected with the RTK30, and is used for obtaining accurate positioning through the RTK30, translating and rotating a falling map of an initial external block diagram according to remote sensing image data, obtaining an initial position of a real estate through an analysis method, obtaining coordinates of boundary points by matching with a graphic method, generating coordinate strings of the boundary points, outputting a coordinate set, and generating a block map with coordinate information according to the boundary points;
the information generating module 14 is configured to generate a to-be-confirmed map and to-be-confirmed basic information according to basic information of the real estate, a layered division map of the real estate, a boundary point coordinate string and a land map, where the to-be-confirmed basic information is required for registering an application of the real estate, and includes a site survey table, a land plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
The related units provided by the system are used for executing related instructions in the real estate mapping method based on the graphic method and the analytic method, and the detailed description is omitted herein.
The real estate mapping system based on the graphic method and the analytic method solves the technical problems that the mapping process is complex and the graphic cannot be immediately formed in the prior art, and can realize convenient office. The traditional mapping mode is changed, and the map is integrally drawn and formed by layering and separating the family map of the land and the property.
In addition to the real estate drawing method based on the graphic method and the analytic method provided by the invention, the invention also provides a real estate drawing system based on the graphic method and the analytic method. As shown in fig. 9, the present system includes a smart terminal 10, a ranging apparatus 20, an RTK30, and a portable printing apparatus 40 using any of the above methods, the smart terminal 10 and the ranging apparatus 20, the RTK30, and the portable printing apparatus 40 being connected through a communication network; the intelligent terminal comprises the following modules:
the information acquisition module 11 is used for creating a real estate mapping project and acquiring basic information;
the graphic mapping module 12 is connected with the distance measuring equipment 20, and is used for drawing according to a preset graphic, and processing the drawn preset graphic through segmentation and combination to generate an initial external block diagram, a real estate layering household-separating diagram and an initial ownership boundary diagram;
the position confirmation module 13 is connected with the RTK30, and is used for obtaining accurate positioning through the RTK30, translating and rotating a falling map of an initial external block diagram according to remote sensing image data, obtaining an initial position of a real estate through an analysis method, obtaining coordinates of boundary points by matching with a graphic method, generating coordinate strings of the boundary points, outputting a coordinate set, and generating a block map with coordinate information according to the boundary points;
the information generating module 14 is configured to generate a to-be-confirmed map and to-be-confirmed basic information according to basic information of the real estate, a layered division map of the real estate, a boundary point coordinate string and a land map, where the to-be-confirmed basic information is required for registering an application of the real estate, and includes a site survey table, a land plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
And the output printing module 15 is connected with the portable printing device 40, and is used for outputting the to-be-confirmed map and the to-be-confirmed basic information.
The related units provided by the system are used for executing related instructions in the real estate mapping method based on the graphic method and the analytic method, and the detailed description is omitted herein.
According to the real estate mapping system based on the graphic method and the analytic method, the technical effects are achieved, meanwhile, the graphic forms can be automatically formed to form the table, work results can be printed on site, the office masses can verify the mapping results on site, signature confirmation is carried out, and the traditional mapping registration mode is changed.
In summary, the foregoing is merely a detailed description of the preferred embodiments of the invention, and is not intended to limit the scope of the invention. In practical applications, a person skilled in the art can make several adjustments according to the technical solution. Any modifications, equivalent substitutions, partial applications, etc. which are made under the principles of the present invention as set forth herein, are intended to be included within the scope of the present invention.
Claims (9)
1. The real estate mapping method based on the graphic method and the analytic method is characterized by comprising the following steps:
s1, creating a real estate mapping project and acquiring basic information;
s2, drawing according to a preset graph, and processing the drawn preset graph through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial equity boundary diagram;
the step of S2 specifically comprises the following steps:
s21, selecting basic graph combinations or manually drawing basic contours according to the basic contours of the real estate, and generating an initial external block diagram according to the obtained real estate measurement results;
s22, drawing the initial external block diagram through segmentation and combination according to the structure and the functional partition of the real estate, and generating a real estate sketch;
s23, marking wall genus and structure on the real estate sketch, and carrying out layering treatment on the real estate sketch to generate a real estate layering household-separating drawing;
s24, generating a boundary point according to the peripheral inflection point of the initial external block diagram, and marking the four-to-wall relationship of the real property to generate an initial weight boundary line diagram;
s3, obtaining accurate positioning through RTK, carrying out translation and rotation image falling on the initial external block diagram according to remote sensing image data, obtaining an initial position of the real property through an analytic method, obtaining coordinates of a boundary point by matching with a graphic method, generating a coordinate string of the boundary point, outputting a coordinate set, and generating a map with coordinate information according to the boundary point;
s4, generating a to-be-confirmed measuring drawing and to-be-confirmed basic information according to the basic information of the real estate, the layered household map of the real estate, the boundary point coordinate string and the land area map, wherein the to-be-confirmed basic information is required materials for registering applications of the real estate and comprises a site survey table, the land area map, an application table, a rights and interests questionnaire and the boundary point coordinate string.
2. The real estate mapping method based on the graphic method and the analytical method according to claim 1, characterized in that the step of S1 specifically comprises:
s11, acquiring the basic information of the rights of the real estate;
s12, collecting basic information of the real estate, wherein the basic information of the real estate comprises whether the real estate is located, is first registered, is in a building structure, is in a property, is in an approved land area, is in an approved building area, is in floor information, and is in a rural house ownership license number.
3. The real estate mapping method based on the graphic method and the analytical method according to claim 2, characterized by the step of S1 further comprising:
s13, acquiring a photo of the real estate and drawing a sketch;
s14, acquiring indoor and outdoor measured values of the real estate acquired by the ranging equipment.
4. The real estate mapping method based on the graphic method and the analytical method according to claim 1, characterized by the step of S3 specifically comprising:
s31, acquiring a single-point position by adopting RTK, acquiring a real estate direction by combining with a gyroscope, and performing RTK calculation by utilizing a GNSS receiver and a thousand-seeking or CORS network to obtain an accurate positioning point;
s32, overlapping the boundary point and the real estate sketch generated in the process of drawing the religion map with the received positioning points, and determining the orientation according to the direction shown by the compass;
s33, moving the GNSS receiver to a base point, and judging whether fine adjustment is needed or not through remote sensing image data;
s34, obtaining the initial position of the real estate by an analysis method, obtaining coordinates of the boundary points by matching with a drawing method, and generating a coordinate string of the boundary points.
5. The real estate mapping method based on the graphic method and the analytic method according to claim 4, characterized by the step of S34 specifically comprising:
s341, converting the base point into corresponding base point space projection coordinates according to the longitude and latitude coordinates returned after the RTK is calculated, and placing the base point space projection coordinates in the center of a screen;
s342, placing the base point set in the drawing at the central position of the screen, obtaining the rotation angle, and calculating the radian of the included angle, wherein the radian of the included angle passes through the formula
Obtaining, wherein θ is the included angle radian and rotation is the rotation angle;
s343, calculating the pixel distance between the two points according to the screen pixel coordinates of the base point and the adjacent points of the base point, wherein the pixel distance is calculated according to the formula
The method comprises the steps of obtaining, wherein lpx is a pixel distance between two points, J1x is an abscissa of a base point, J1y is an ordinate of a base point, J2x is an abscissa of an adjacent point, and J2y is an ordinate of the adjacent point;
s344, calculating the actual distance from the base point to the adjacent point according to the scale and the pixel point of the actual distance between the screen and the actual distance, wherein the actual distance is calculated by a formula
The method comprises the steps of obtaining, wherein l is the actual distance required to be calculated, lpx is the pixel distance, scale is the scale of the screen and the actual distance, and xdpi is the pixel point;
s345, calculating the space projection coordinates of the adjacent points according to the actual distance, the radian of the included angle between the base point and the space projection coordinates of the base point, wherein the space projection coordinates of the adjacent points are obtained by a formula (l x cos theta+p1. X, l x sin theta+p1. Y), wherein theta is the radian of the included angle, p1.X is the abscissa of the space projection coordinates of the base point and p1.Y is the ordinate of the space projection of the base point.
6. The real estate mapping method based on the graphic method and the analytic method according to claim 1, characterized in that the method further comprises step S5, outputting the map to be confirmed and the basic information to be confirmed.
7. The real estate mapping method based on the graphic method and the analytical method according to claim 1, characterized by the method further comprising the steps of: and S6, if the information confirmed by the right person is received, generating format data required by the real estate registration system by the to-be-confirmed map and the to-be-confirmed basic information, and importing and interfacing with the real estate registration system under the condition of network connection.
8. A real estate mapping system based on a graphic method and an analytical method, characterized in that the system comprises an intelligent terminal, a distance measuring device and an RTK using the method of any one of claims 1-7, the intelligent terminal, the distance measuring device and the RTK being connected by a communication network; the intelligent terminal comprises the following modules:
the information acquisition module is used for creating real estate mapping engineering and acquiring basic information;
the graphic mapping module is connected with the distance measuring equipment and used for drawing according to a preset graphic, and processing the drawn preset graphic through segmentation and combination to generate an initial external block diagram, a real estate layering household diagram and an initial equity boundary diagram;
the position confirmation module is connected with the RTK, and is used for obtaining accurate positioning through the RTK, carrying out translation and rotation image falling on the initial external block diagram according to remote sensing image data, obtaining the initial position of the real property through an analysis method, obtaining coordinates of a boundary point by matching with a graphic method, generating a boundary point coordinate string, outputting a coordinate set, and generating a block map with coordinate information according to the boundary point;
the information generation module is used for generating a to-be-confirmed survey chart and to-be-confirmed basic information according to the basic information of the real estate, the layered household chart of the real estate, the boundary point coordinate string and the land parcel map, wherein the to-be-confirmed basic information is required materials for registering applications of the real estate and comprises a site survey table, a land parcel plot, an application table, a rights and interests questionnaire and the boundary point coordinate string.
9. The real estate mapping system based on the graphic method and the analytic method of claim 8 further comprising a portable printing device connected with an output printing module of the intelligent terminal, the output printing module being used for outputting the map to be confirmed and the basic information to be confirmed.
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| CN112033362A (en) * | 2020-09-11 | 2020-12-04 | 武汉市天佑宏图测绘科技有限公司 | Method for measuring cadastral landform in surveying and mapping project |
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| CN113420100A (en) * | 2021-06-09 | 2021-09-21 | 李涛 | Real estate mapping method based on multi-data acquisition |
| CN117274500B (en) * | 2023-10-31 | 2024-04-12 | 重庆市规划和自然资源信息中心 | Method for building house by building boundary point coordinates |
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